Relevant bibliographies by topics / Precision Calculation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Precision Calculation'

Author: Grafiati
Published: 6 September 2023
Last updated: 7 September 2023

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Journal articles on the topic "Precision Calculation"

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RODRIGUES, B. O., L. A. C. P. DA MOTA, and L. G. S. DUARTE. "NUMERICAL CALCULATION WITH ARBITRARY PRECISION." International Journal of Modern Physics E 16, no. 09 (October 2007): 3045–48. http://dx.doi.org/10.1142/s0218301307009014.

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The vast use of computers on scientific numerical computation makes the awareness of the limited precision that these machines are able to provide us an essential matter. A limited and insufficient precision allied to the truncation and rounding errors may induce the user to incorrect interpretation of his or her answer. In this work, we have developed a computational package to minimize this kind of error by offering arbitrary precision numbers and calculation. This is very important in Physics where we can work with numbers too small and too big simultaneously.
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Fukuchi, Tsugio. "A whole high-accuracy numerical calculation system for the 1D Poisson equation by the interpolation finite difference method." AIP Advances 12, no. 10 (October 1, 2022): 105315. http://dx.doi.org/10.1063/5.0093636.

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The interpolation finite difference method (IFDM) allows free numerical analysis of elliptic partial differential equations over arbitrary domains. Conventionally, in the finite difference method (FDM), the calculation is performed using the second-order accuracy central difference. For engineering problems, second-order accuracy calculations are often sufficient. On the other hand, much research has been carried out to improve the accuracy of numerical calculations. Although there is much research in the FDM field, the development of numerical calculations by the spectral method is decisive in improving the calculation accuracy. Numerical calculations are usually performed by double precision calculations. If double precision calculations ensure 15 significant digits in floating point computing, such numerical calculations will be the ultimate goal to reach. A numerical calculation that does not seem to have an error even though it originally has an error is defined as a virtual error-zero (VE0) calculation. In this paper, we will examine an overall picture of high-accuracy numerical calculation by the IFDM in the numerical calculation of the 1D Poisson equation. It becomes clear that a VE0 calculation is always possible in the numerical calculation method, defined as the compact interpolation finite difference scheme [( m)].
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Ricke, Darrell O., and Steven Schwartz. "Fast P(RMNE): Fast forensic DNA probability of random man not excluded calculation." F1000Research 6 (December 20, 2017): 2154. http://dx.doi.org/10.12688/f1000research.13349.1.

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High throughput sequencing (HTS) of DNA forensic samples is expanding from the sizing of short tandem repeats (STRs) to massively parallel sequencing (MPS). HTS panels are expanding from the FBI 20 core Combined DNA Index System (CODIS) loci to include SNPs. The calculation of random man not excluded, P(RMNE), is used in DNA mixture analysis to estimate the probability that a person is present in a DNA mixture. This calculation encounters calculation artifacts with expansion to larger panel sizes. Increasing the floating-point precision of the calculations allows for increased panel sizes but with a corresponding increase in computation time. The Taylor series higher precision libraries used fail on some input data sets leading to algorithm unreliability. Herein, a new formula is introduced for calculating P(RMNE) that scales to larger SNP panel sizes while being computationally efficient (patent pending).
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Ricke, Darrell O., and Steven Schwartz. "Fast P(RMNE): Fast forensic DNA probability of random man not excluded calculation." F1000Research 6 (October 31, 2018): 2154. http://dx.doi.org/10.12688/f1000research.13349.2.

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High throughput sequencing (HTS) of DNA forensic samples is expanding from the sizing of short tandem repeats (STRs) to massively parallel sequencing (MPS). HTS panels are expanding from the FBI 20 core Combined DNA Index System (CODIS) loci to include SNPs. The calculation of random man not excluded, P(RMNE), is used in DNA mixture analysis to estimate the probability that a person is present in a DNA mixture. This calculation encounters calculation artifacts with expansion to larger panel sizes. Increasing the floating-point precision of the calculations allows for increased panel sizes but with a corresponding increase in computation time. The Taylor series higher precision libraries used fail on some input data sets leading to algorithm unreliability. Herein, a new formula is introduced for calculating P(RMNE) that scales to larger SNP panel sizes while being computationally efficient (patent pending).
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Zhang, Yi Tong, Zhan Qi Hu, and Hong Li Zhang. "A Calculating Method of the Least Feeding Times in Cylinder Cam’s Grinding." Key Engineering Materials 359-360 (November 2007): 181–84. http://dx.doi.org/10.4028/www.scientific.net/kem.359-360.181.

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The accurate calculation and the approximate calculations of the cylinder cam’s curve enveloping surface in single-tool-position-compensation are compared. It is proved that the approximate formula is enough precision for engineering purpose. Based on the analyses for the approximate formula, the calculating method of the least feeding times of the multi-tool-position-compensation is proposed. This method provides theoretical foundation for complex surface’s high efficiency and great precision grinding as well as optimal machining control.
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Orr, T. LL, and C. Cherubini. "Use of the ranking distance as an index for assessing the accuracy and precision of equations for the bearing capacity of piles and at-rest earth pressure coefficient." Canadian Geotechnical Journal 40, no. 6 (December 1, 2003): 1200–1207. http://dx.doi.org/10.1139/t03-063.

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In many geotechnical design situations, a number of different calculation models have been developed to predict the value of a particular quantity required for use in design calculations, for example, the bearing capacities of driven and root piles, and K0, the at-rest earth pressure coefficient. In this paper the authors show how the dependability of different calculation methods can be compared and assessed using a synthetic probabilistic approach and the ranking distance (RD) index. Measured values, Qmeas, are compared with calculated values, Qcalc, using the "bias factor," defined as the ratio Qmeas/Qcalc. The bias factor values obtained using a particular calculation method are processed to evaluate the "accuracy" and "precision" by calculating a central tendency and a variability statistical parameter, respectively, from the values. The RD index is a comprehensive statistical parameter for assessing the dependability of a particular calculation method and is based on the central tendency and variability. Using the ratios between calculated and measured bearing capacity and earth pressures values, the RD index is used to assess the accuracy and precision of the most frequently used pile driving formulae, two equations for the bearing capacity of root piles, and seven equations for the at-rest earth pressure coefficient.Key words: accuracy, precision, probabilistic approach, ranking distance.
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Zhong, Liang, Guang Xiang Xu, and Feng Zeng. "Analysis and Comparison on Typical Methods for Predicting Composite Roughness of River." Advanced Materials Research 518-523 (May 2012): 4111–14. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.4111.

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Composite roughness is an important parameter in river hydraulic calculations. In this paper, various typical methods for predicting composite roughness of river were summarized, including Einstein Method, Lotter Method, JIANG Method and Weighted Average Method, their theoretical rigors were discussed from both perspectives of minimum energy dissipation principle and analytical analysis, and their calculation precisions were verified by a large number of flume test data. Research shows that Einstein Method complies with the principle of minimum energy dissipation, also is the necessary and sufficient condition of resistance equation having unique solution, and its calculation precision is higher, therefore, Einstein Method is more suitable for composite resistance calculation of river with single cross section.
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Jijie Zhu. "Calculation of geometric dilution of precision." IEEE Transactions on Aerospace and Electronic Systems 28, no. 3 (July 1992): 893–95. http://dx.doi.org/10.1109/7.256323.

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Ścibisz-Mordelska, Katarzyna. "Lower Precision calculation for option pricing." Computer Science 18, no. 4 (2017): 431. http://dx.doi.org/10.7494/csci.2017.18.4.2361.

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Zabolitzky, J. G., D. J. Bergman, and D. Stauffer. "Precision calculation of elasticity for percolation." Journal of Statistical Physics 44, no. 1-2 (July 1986): 211–23. http://dx.doi.org/10.1007/bf01010913.

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Dissertations / Theses on the topic "Precision Calculation"

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Xu, Qingjun. "Precision calculation for supersymmetric particle decays." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=98041332X.

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Iskrenova-Tchoukova, Eugeniya. "All-order approach to high-precision atomic calculation." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 144 p, 2008. http://proquest.umi.com/pqdweb?did=1601519371&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Throwe, William (William Thomas). "High precision calculation of generic extreme mass ratio inspirals." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/61270.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 63-64).
Orbits around black holes evolve due to gravitational-wave emission, losing energy and angular momentum, and driving the orbiting body to slowly spiral into the black hole. Recent theoretical advances now make it possible to model the impact of this wave emission on generic (eccentric and inclined) black hole orbits, allowing us to push beyond the handful of constrained (circular or equatorial) cases that previous work considered. This thesis presents the first systematic study of how generic black hole orbits evolve due to gravitational-wave emission. In addition to extending the class of orbits which can be analyzed, we also introduce a new formalism for solving for the wave equation which describes radiative backreaction. This approach is based on a spectral decomposition of the radiation field originally introduced by Mano, Suzuki, and Takasugi (MST), and was then adapted for numerical analysis by Fujita and Tagoshi (FT). We find that the MST-FT formalism allows us to compute various quantities significantly more accurately than previous work, even in strong field regimes. We use this code to explore the location in orbital parameter space of the surface at which the evolution of orbital eccentricity changes sign from negative (orbits circularize) to positive (orbits become more eccentric).
by William Throwe.
S.B.
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Yuen, Ming Fatt. "Dilution of Precision (DOP) calculation for mission planning purposes." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/March/09Mar%5FYuen.pdf.

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Thesis (M.S. in Mechanical Engineering and M. S. in Applied Physics)--Naval Postgraduate School, March 2009.
Thesis Advisor(s): Driels, Morris R. ; Harkins, Richard M. "March 2009." Description based on title screen as viewed on April 24, 2009. Author(s) subject terms: GPS, DOP, JMEM, Delivery Accuracy. Includes bibliographical references (p. 200-201). Also available in print.
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Kurth, Thorsten [Verfasser]. "Precision Physics from the Lattice Calculation of the Hadron Spectrum, Quark Masses and Kaon Bag Parameter / Thorsten Kurth." Wuppertal : Universitätsbibliothek Wuppertal, 2011. http://d-nb.info/1018298673/34.

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Braathen, Johannes. "Automating Higgs precision calculations." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS073/document.

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L’étude des propriétés du boson de Higgs représente une excellente opportunité pour la recherche de Nouvelle Physique. En particulier, sa masse est mesurée avec une précision impressionnante, de l’ordre de 0.1%, tandis qu’elle est aussi prédite par certains modèles au-delà du Modèle Standard, notamment les modèles supersymétriques. Le but de cette thèse est de faire avancer le calcul des corrections radiatives aux masses des scalaires dans les modèles au-delà du Modèle Standard, ainsi que l’automatisation de ces calculs, afin d’établir ou d’améliorer les limites sur les couplages entre la Nouvelle Physique et le boson de Higgs. Nous calculons d’abord les corrections dominantes à deux boucles, de la forme O(alpha_s alpha_t), aux masses des scalaires neutres dans les modèles supersymétriques à jauginos de Dirac. Ensuite, nous montrons comment surmonter la Catastrophe des Bosons de Goldstone, un cas de divergences infrarouges dues aux bosons de Goldstones de masses nulles qui affecte les calculs de potentiels effectifs, d’équations « tadpoles » et d’énergies propres, en adoptant un schéma de renormalisation « on-shell » pour les masses des bosons de Goldstone. Nous illustrons la mise en œuvre numérique de notre solution dans le programme SARAH, et finalement, nous considérons le comportement aux hautes énergies de modèles non-supersymétriques avec des secteurs scalaires étendus
The Standard Model-like Higgs boson provides an excellent setting for the indirect search of New Physics, through the study of its properties. In particular its mass is now measured with an astonishing precision, of the order of 0.1%, while being predicted in some models of Beyond the Standard Model (BSM) Physics, such as supersymmetric (SUSY) models. The main purpose of this thesis is to push further the calculation of radiative corrections to Higgs boson masses in BSM models, as well as the automation of these calculations, in order to set or improve constraints on New Physics coupling to the Higgs boson. A first chapter is devoted to the computation of the leading two-loop O (alpha_s alpha_t) corrections to neutral scalar masses in SUSY models with Dirac gauginos. Then, we show to address the Goldstone Boson Catastrophe -- a case of infra-red divergences due to massless Goldstone bosons that plague the calculation of effective potentials, tadpole equations, and self-energies -- in the context of general renormalisable field theories, by adopting an on-shell renormalisation scheme for the Goldstone masses. Afterwards, we illustrate the numerical implementation of our solution to the Goldstone Boson Catastrophe in the public tool SARAH. Finally, in a last chapter, we consider the high-scale behaviour of non-supersymmetric models with extended Higgs sectors
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Coissard, Vincent. "Étude d'un cœur de processeur pour l'arithmétique exacte." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0089.

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L'arithmetique virgule flottante utilisee en machine pour le calcul scientifique introduit des erreurs dans le resultat des operations. Le calcul sur ordinateur porte en effet sur des operandes qui possedent un nombre limite de chiffres significatifs, lesquels ne representent qu'une approximation de la valeur exacte. Au fur et a mesure du deroulement des programmes, on assiste a une degradation progressive de la precision des nombres manipules. Ces accumulations d'erreurs peuvent conduire a des resultats invalides sans que l'utilisateur en soit averti. Parmi les solutions developpees pour maitriser les erreurs du calcul en machine, seule l'utilisation d'une arithmetique exacte conduit a un resultat dont on est sur qu'il est correct. Malheureusement cette solution est obtenue par logiciel au prix d'un temps de calcul extremement long. Une des principales raisons de la lenteur de ce type de logiciel provient du fait qu'ils s'executent sur des processeurs qui ne disposent pas d'une arithmetique adaptee au calcul exact. Il faut donc faire une emulation de chaque operation elementaire de l'arithmetique exacte en faisant appel a des routines logicielles utilisant les instructions disponibles sur le processeur. Cette emulation entraine alors une degradation des performances de l'arithmetique, et donc des logiciels, utilises pour le calcul exact. On propose de developper un coprocesseur qui realisera au niveau materiel toutes les operations elementaires de l'arithmetique exacte. L'architecture du circuit sera optimisee pour repondre aux specificites de cette arithmetique et plus particulierement pour calculer sur des nombres de grande taille. Afin d'augmenter encore les performances des logiciels, on integrera en materiel certaines fonctions usuelles du calcul exact
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Proudom, Josselin. "Supersymmetric phenomenology : polarized collisions and precision calculations." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAY079/document.

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Les théories supersymétriques, telles que le Modèle Standard Supersymétrique Minimal, constituent des extensions très populaires du Modèle Standard de physique des particules, et sont activement recherchées au Large Hadron Collider (LHC). Dans cette thèse, nous nous concentrons sur deux aspects de la phénoménologie des théories supersymétriques aux collisionneurs hadroniques de haute-énergie, à savoir les collisions polarisées, et les calculs de précision. Dans un premier temps, nous réalisons une étude au Leading Order (LO), dans laquelle nous montrons comment la présence de faisceaux polarisés (longitudinalement) pourrait nous aider à différencier des modèles de Nouvelle Physique présentant la même signature à l'état final. A titre d'exemple, nous considérons le cas d'une classe particulière de scénarios, menant à la production de monotops, qui correspondent à la production d'un quark top en association avec de l'énergie transverse manquante. Nous présentons nos résultats pour un LHC polarisé à 14 TeV, et pour le récemment proposé Futur Collisionneur Circulaire (FCC), supposé opérer à 100 TeV. Par la suite, nous nous concentrons sur la réalisation de prédictions de précisions pour la production de paires de particules supersymétriques colorées au next-to-leading order (NLO) en QCD supersymétrique, avec ou sans violation non-minimale de saveur, et avec ou sans Parton Shower (PS). Plus particulièrement, nous fournissons les premiers résultats (préliminaires) pour la production de squark-antisquark au NLO en SUSY-QCD avec violation non-minimale de saveur, dans le cas d'un calcul à ordre perturbatif fixe, et considérons dans le contexte de modèles simplifiés la production par paires de particules colorées de type scalaire et Majorana au NLO avec PS
Supersymmetric theories, such as the Minimal Supersymmetric Standard Model (MSSM), constitute very popular extensions of the Standard Model of particle physics that are extensively searched for at the Large Hadron Collider (LHC). In this thesis, we focus on two specific aspects of the phenomenology of supersymmetric theories at high-energy hadron colliders, namely polarized collisions and precision calculations. First, we perform a Leading Order (LO) study, in which we show how the availability of (longitudinally) polarized proton beams could us help us to disentangle various Beyond the Standard Model (BSM) scenarios exhibiting the same final-state signature. For the sake of illustration, we focus on the case of one particular class of scenarios leading to monotop production, which corresponds to the production of a top quark in association with missing transverse energy. We present our results for a polarized LHC at 14 TeV, and for the recently proposed Future Circular Collider (FCC), supposed to operate at 100 TeV. Then, we concentrate on precise predictions for the pair production of coloured supersymmetric particles at next-to-leading order (NLO) in supersymmetric QCD, with or without Non-Minimal Flavour Violations (NMFV), and with or without matching those predictions with Parton Showers (PS). More specifically, we provide the first preliminary results for squark-antisquark pair production at NLO in SUSY-QCD with NMFV, in the case of a fixed order calculation, and consider in the context of simplified models the pair production of coloured scalar and coloured Majorana particles at NLO matched with PS
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Feige, Ilya Eric Alexander. "Factorization and Precision Calculations in Particle Physics." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:17467340.

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We state and prove to all orders in perturbation theory a factorization theorem in Quantum Chromodynamics that concisely describes the separation of the physics associated with jet formation from that associated with the hard-scattering in high-energy particle collisions. We show how the factorization theorem, which provides an equality between amplitudes in gauge theories, can be readily applied to precision calculations of cross-sections. In the resulting factorized cross sections, the components relevant to jet production are universal and perturbatively calculable. Their renormalization group evolution can be used to sum large logarithms of scale ratios to all orders in perturbation theory, thus enabling quantitive predictions in the regime of disparate scales relevant to many important collider-physics observables. As an application, we calculate the observable 2-subjettiness at next-to-next-to-next-to-leading-logarithmic order for the decay of boosted heavy color-singlet particles such as Electroweak bosons. Our calculation is the first analytic calculation of a jet substructure observable.
Physics
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Deutschmann, Nicolas. "Precision calculations in effective theories for Higgs production." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1142/document.

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Après une introduction générale, ce manuscrit contient deux chapitres préliminaires, l'un décrivant le contexte physique et l'autre les techniques mathématiques utilisées lors de cette thèse.Nous présentons ensuite les travaux développés au cours de cette thèse. Nous commençons par l'extraction de la correction du couplage de Yukawa du quark bottom dans la théorie effective du boson de Higgs par un calcul de correspondance à deux boucles entre cette théorie effective et le modèle standard. Cette correction était la pièce manquante pour l'amélioration de la prédiction de la section efficace de production du boson de Higgs en association avec deux quarks bottom.Les deux chapitres suivants couvrent différents aspects du calcul de la correction au deuxième ordre de la section efficace de production d'un boson de Higgs par fusion de gluon dans la théorie effective du modèle standard. Nous présentons d'abord le calcul des corrections virtuelles de ce processus et exploitons la structure établie des divergences ultraviolettes à une boucle et des divergences infrarouges pour extraire un contre terme à deux boucles qui nous a permis de renormaliser l'amplitude, que nous avons ensuite prolongé analytiquement aux régions physiques.Nous combinons alors ce résultat avec le calcul automatique des corrections par émission réelles par le logiciel Madgraph5_aMC@NLO, qui a permis l'intégration de la section efficace. Nous présentons les résultats pour la section efficace totale et deux distributions de variables cinématiques et commentons l'impact des corrections radiatives sur ces prédictions
After a general introduction, this manuscript presents two preliminary chapters, describing first the physics context and the mathematical techniques used in this thesis.We then present the work performed in this thesis. We start with extraction of the power-suppressed of the Yukawa coupling of the bottom quark in the Higgs Effective Field Theory (HEFT) by a two-loop matching calculation between the Standard Model and the HEFT. This correction was the missing piece to improve the prediction of the production cross section of a Higgs boson in association to a pair of bottom quarks.The two next chapters present different aspects of the NLO corrections to Higgs boson production through gluon fusion in the standard model effective field theory. We first present the evaluation of the virtual corrections to this process and use the known one-loop ultraviolet and infrared divergence structure to extract a two-loop counterterm that allowed us to renormalize the amplitude, which we then analytically continued to the physical regions.We then combine this result with the automatic calculation of the real emission corrections in the program Madgraph5_aMC@NLO. The results are presented for the total cross section and differential distributions and comment on the effect of radiative corrections on these predictions
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Books on the topic "Precision Calculation"

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Valérie, Frayssé, ed. Lectures on finite precision computations. Philadelphia: SIAM, 1996.

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D, Bardin, Hollik W. 1951-, Passarino G, and European Organization for Nuclear Research. Working Group on Precision Calculations for the Z Resonance., eds. Reports of the Working Group on Precision Calculations for the Z Resonance. Geneva: CERN, 1995.

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Berberov, Sergey, Mihail Tamarkin, Galina Prokopec, and Valeriy Lebedev. Technological equipment. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1037188.

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General information about devices, their classification and structure is presented; theoretical bases of basing, taking into account the specifics of the choice of basing schemes when choosing technological bases; designs of the main elements of machine tools, methods of their precision and power calculations of devices; design features of devices for various technological systems of mechanical processing, including CNC; features of control and measuring devices; individual issues of mechanization, automation, unification and standardization of devices; methods of designing special devices. Special attention is paid to the educational and methodological support of practical training of specialists. Meets the requirements of the federal state educational standards of secondary vocational education of the latest generation. It is intended for students of secondary vocational education institutions studying in the specialty 15.02.08 "Technology of mechanical engineering".
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Voronin, Evgeniy, Aleksandr Chibunichev, and Yuriy Blohinov. Reliability of solving inverse problems of analytical photogrammetry. ru: INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/2010462.

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The monograph is devoted to computational aspects of photogrammetric reconstruction of narrow-angle bundles of projecting beams that existed during the survey. Methods of improving the conditionality of systems of linear equations, ensuring the convergence of iterative refinement of their roots, increasing the stability of calculations in finite precision machine arithmetic are considered. The main efforts are focused on solving the problem of establishing reliable measurement weights within the framework of the least squares method. The criteria for the reliability of the weights are determined. Algorithms have been developed for matching the initial values of the measurement weights, adjusting the weights during equalization, and identifying insignificant parameters of mathematical measurement models. A new method for evaluating the accuracy of the equalization results has been developed. For specialists engaged in the processing of remote sensing data of the Earth and mathematical processing of the results of heterogeneous measurements using weighted methods of statistical estimation of the parameters of functional dependencies.
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Potter, Ronald W. Arbitrary Precision Calculation of Selected Higher Functions. Lulu Press, Inc., 2014.

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Calculation of Precision Data: Petroleum Test Methods Software Program (D2Pp. Astm Intl, 1996.

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Elwood, Mark. Chance variation. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199682898.003.0008.

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This chapter explains chance variation and statistical tests, including discrete and continuous measures, the concept of significance, one and two sided test, exact tests, precision and confidence limits. It shows tests of differences in proportions and chi-square tests, the Mantel-Haenszel test, and calculation of confidence limits, for simple tables and for stratified data. It covers heterogeneity tests, multiplicative and additive models, ordered exposure variables and tests of trend. It explains statistical tests for matched studies and in multivariate models. Multiple testing, the Bonferroni correction, issues of hypothesis testing and hypothesis generation, and subgroup analyses are discussed. Stopping rules and repeated testing in trials is covered. It explains how to calculate study power and the necessary size of the study. The chapter describes time to event analysis, including survival curves, product-limit and actuarial or life-table methods, and the calculation of confidence limits, relative survival ratios, the log rank test with control for confounding, and multivariate analysis.
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Institute, Asphalt. Procedures to Improve the Precision of Hma Volumetric Calculations (Information). Asphalt Institute, 2001.

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Turczyk, Sascha S. Testing the standard model with precision calculations of semileptonic B-decays. 2010.

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Shop Calculations, Reading Working Drawings, Measuring Instruments, Precision Measuring Instruments, General Appliances and Processes. Creative Media Partners, LLC, 2018.

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Book chapters on the topic "Precision Calculation"

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Sayers, Chera L. "Dimension Calculation Precision with Finite Data Sets." In NATO ASI Series, 183–86. Boston, MA: Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4757-0623-9_21.

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Heimlich, A., A. C. A. Alvim, F. C. Silva, and A. S. Martinez. "GPU Based Mixed Precision PWR Depletion Calculation." In Integral Methods in Science and Engineering, Volume 2, 127–36. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59387-6_13.

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Chao, Paul C. P., Lun De Liao, Yi Hua Fan, Chien Yu Shen, Yung Yuan Kao, and Jeng Sheng Huang. "Analytical Calculation of the Light Extraction Efficiency of Micro Cavities Light-Emitting Diodes." In Optics Design and Precision Manufacturing Technologies, 98–103. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.98.

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Shi, Yan, Li Qiang Wang, Hua Zheng, Jie Wang, and Zu Kang Lu. "Modulation Transfer Function for a Multichannel Laser Induced Fluorescence Analyzer and its Numerical Calculation." In Optics Design and Precision Manufacturing Technologies, 1138–41. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.1138.

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Kino, Y., M. Kamimura, and H. Kudo. "High-Precision Calculation of Antiprotonic Helium Atomcules and Antiproton Mass." In Few-Body Problems in Physics ’99, 40–44. Vienna: Springer Vienna, 2000. http://dx.doi.org/10.1007/978-3-7091-6287-3_6.

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Liu, Fang, and Hai Bao. "Steady-State Value Computing Method to Improve Power System State Estimation Calculation Precision." In Advances in Intelligent Systems and Computing, 583–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33030-8_95.

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Kanada, Yasumasa. "Vectorization of Multiple-Precision Arithmetic Program and 201,326,000 Decimal Digits of π Calculation." In Pi: A Source Book, 576–87. New York, NY: Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4757-2736-4_61.

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Kanada, Yasumasa. "Vectorization of Multiple-Precision Arithmetic Program and 201,326,000 Decimal Digits of π Calculation." In Pi: A Source Book, 576–87. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4757-3240-5_61.

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Kanada, Yasumasa. "Vectorization of Multiple-Precision Arithmetic Program and 201,326,000 Decimal Digits of π Calculation." In Pi: A Source Book, 576–87. New York, NY: Springer New York, 2004. http://dx.doi.org/10.1007/978-1-4757-4217-6_61.

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Yamanaka, Masao. "Effective Delayed Neutron Fraction." In Accelerator-Driven System at Kyoto University Critical Assembly, 83–123. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0344-0_4.

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AbstractIn kinetic analyses on ADS, although adjoint flux distribution is defined under the existence of an external neutron source, an issue of the proper determination of the weighting function still remains in the definition to obtain the kinetics parameters in the fixed-source calculations. Here, an alternative methodology is proposed with the combined use of the k-ratio method and the reaction rates obtained by the fixed-source calculations, when the subcriticality level or the spectrum of the external neutron source is varied. In ADS experiments, the measurement of βeff is expected to provide complementary verification of the calculation and reliability of nuclear data. Then, the formulation of the Rossi-α method in the pulsed-neutron source has been already available for application to the subcriticality measurement in the pulsed-neutron source (PNS) experiments. Accordingly, the methodology is applied uniquely to deduce the βeff value with the pulsed-neutron source (spallation neutrons), with the combined use of the results of experiments and calculations. Using parameters α and ρ$, the values of βeff/Λ are deduced at near-critical configurations through experimental analyses. To estimate the numerical precision of Λ, the value of βeff/Λ is used as an index of Λ evaluation that is defined by a ratio of Λ values in the super-critical and subcritical states.
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Conference papers on the topic "Precision Calculation"

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Kiropoulos, Konstantinos, Stamatia Bibi, Fotini Vakouftsi, and Vassilis Pantzios. "Precision Agriculture Investment Return Calculation Tool." In 2021 17th International Conference on Distributed Computing in Sensor Systems (DCOSS). IEEE, 2021. http://dx.doi.org/10.1109/dcoss52077.2021.00051.

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Kuroki, Takashi, Keisuke Fukunaga, Toshihiko Shibazaki, and Teruhiro Kinoshita. "Rigorous calculation of scattered field by conductive disk using multiple precision arithmetic -calculation precision and parameter selection." In 2016 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC). IEEE, 2016. http://dx.doi.org/10.1109/ursiap-rasc.2016.7601248.

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JACK, I., D. R. T. JONES, and A. F. KORD. "PRECISION CALCULATION OF MASS SPECTRA IN THE MSSM." In Proceedings of the 10th International Symposium. World Scientific Publishing Company, 2005. http://dx.doi.org/10.1142/9789812701756_0055.

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Guo, Jiajia, Kaizhi Wang, Yiran Jin, Xin Lin, Yesheng Gao, and Xingzhao Liu. "High precision calculation of SAR image quality parameters." In 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR). IEEE, 2015. http://dx.doi.org/10.1109/apsar.2015.7306226.

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Bubanja, V. "Calculation of the Magnetic Field of a Cryogenic Current Comparator." In 2004 Conference on Precision Electromagnetic Measurements. IEEE, 2004. http://dx.doi.org/10.1109/cpem.2004.305609.

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Ding, Guoping, Zude Zhou, and Yefa Hu. "Magnetic field calculation and measurement of active magnetic bearings." In Third International Symposium on Precision Mechanical Measurements. SPIE, 2006. http://dx.doi.org/10.1117/12.716347.

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wang, chuanli, cheng li, tao he, and guoyu chen. "Performance calculation and analysis of the novel flexure hinges." In International Symposium on Precision Mechanical Measurements 2019, edited by Liandong Yu. SPIE, 2019. http://dx.doi.org/10.1117/12.2542647.

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Vojackova, L., J. Kucera, J. Hromadka, and J. Bohacek. "Calculation of high frequency 4-TP impedance standards." In 2016 Conference on Precision Electromagnetic Measurements (CPEM 2016). IEEE, 2016. http://dx.doi.org/10.1109/cpem.2016.7540692.

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Fan, Bai-xing, Zong-chun Li, Guang-yun Li, and Qing-wen Sun. "Calculation technique for special tank capacity based on setting-out." In Fourth International Symposium on Precision Mechanical Measurements, edited by Yetai Fei, Kuang-Chao Fan, and Rongsheng Lu. SPIE, 2008. http://dx.doi.org/10.1117/12.819595.

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Zhong, Yan-ru, Yu-jin Zhao, De-wei Guo, and Mei-fa Huang. "Uncertainty calculation of R a based on information entropy principle." In Fourth International Symposium on Precision Mechanical Measurements, edited by Yetai Fei, Kuang-Chao Fan, and Rongsheng Lu. SPIE, 2008. http://dx.doi.org/10.1117/12.819752.

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Reports on the topic "Precision Calculation"

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Asvestas, John S., Stephen Yankovich, and Oliver E. Allen. Calculation of Impedance Matrix Inner Integral to Prescribed Precision. Fort Belvoir, VA: Defense Technical Information Center, December 2008. http://dx.doi.org/10.21236/ada491811.

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Asvestas, John S., Dennis W. Richardson, and Oliver E. Allen. Calculation of Impedance Matrix Inner Integral to Prescribed Precision for the Magnetic Field Integral Equation. Fort Belvoir, VA: Defense Technical Information Center, July 2012. http://dx.doi.org/10.21236/ada562685.

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Dinovitzer, Aaron, Sanjay Tiku, and Amin Eshraghi. PR-214-153739-R01 ERW Fatigue Life Integrity Management Improvement-Phase III. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2019. http://dx.doi.org/10.55274/r0011574.

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While the general fracture mechanics methodology for calculating fatigue lives is well documented and validated, its application in the definition of pipeline system fatigue lives have differed from field experience. The source and magnitude of the conservatism inherent in the calculated fatigue life estimates are a concern when establishing integrity management programs. Of particular interest, are the fatigue life estimates used in the integrity management programs for Electric resistance welding (ERW) pipeline systems that are primarily concerned with pipe wall anomalies oriented along the pipe axis. In this project, fatigue crack growth rate parameters were generated for pipe body and ERW. Axial flaws of different sizes were machined in pipe body and weld center line of two different pipe geometries and subjected to cyclic pressure tests. Fatigue crack growth rate of the flaws in the full-scale fatigue tests was monitored. The full-scale fatigue tests results were compared to existing codified treatments to quantify the level of conservatism inherent in the current state of practice. Recommendations were provided to enhance the precision and manage conservatism in fatigue crack growth rate calculations used in integrity management. This report has a related webinar.
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Semiga and Tiku. PR-214-104505-R02 Improved Methods for Estimating Remaining Fatigue Life of ERW Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 2015. http://dx.doi.org/10.55274/r0010204.

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While the general fracture mechanics methodology for calculating fatigue life is well documented and validated, its application in the definition of pipeline system fatigue lives have differed from field experience. The source and magnitude of the conservatism inherent in the calculated fatigue life estimates are a concern when establishing integrity management programs. Of particular interest are the fatigue life estimates used in the integrity management programs for ERW pipeline systems that are primarily concerned with pipe wall anomalies oriented along the pipe axis. This project was initiated to consider several elements of the fatigue life estimation process to identify if there were sources of conservatism that could be better managed to permit integrity management programs to produce life estimates with known levels of conservatism. The project considered: - Ovality and misalignment stress concentration factors; - Fatigue crack growth rate (da/dN) material performance; and - Bulging correction factor. Both experimental and numerical simulation techniques were used to consider the impact of these factors on rate of fatigue crack growth of pipeline axially oriented defects. The project results were compared to existing codified treatments to quantify the level of conservatism inherent in the current state of practice. Recommendations were provided to enhance the precision and manage conservatism in fatigue crack growth rate calculations used in integrity management. This work has a related webinar.
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HIGH PRECISION IDENTIFICATION METHOD OF MASS AND STIFFNESS MATRIX FOR SHEAR-TYPE FRAME TEST MODEL. The Hong Kong Institute of Steel Construction, June 2023. http://dx.doi.org/10.18057/ijasc.2023.19.2.6.

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In the direct method of identifying the physical parameters of the shear-type frame structures through the frequencies and modes from the experimental modal analysis (EMA), the accuracy of the lumped mass depends on the initial mass, while the identified mass matrix and stiffness matrix are prone to generate some matrix elements without any physical meaning. In this paper, based on the natural frequencies and modes obtained from the EMA, an iterative constrained optimization solution for correcting mass matrix and a least squares solution for the lateral stiffness are proposed. The method takes the total mass of the test model as the constraint condition and develops an iterative correction method for the lumped mass, which is independent of the initial lumped mass. When the measured modes are exact, the iterative solution converges to the exact solution. On this basis, the least squares calculation equation of the lateral stiffness is established according to the natural frequencies and modes. Taking the numerical model of a 3-story steel frame structure as an example, the influence of errors of measured modes on the identification accuracy is investigated. Then, a 2-story steel frame test model is used to identify the mass matrix and stiffness matrix under three different counterweights. Numerical and experimental results show that the proposed method has good accuracy and stability, and the identified mass matrix and stiffness matrix have clear physical significance.
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PR-214-104505-R01 Improved Methods for Estimating Remaining Fatigue Life of ERW Pipe. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), October 2011. http://dx.doi.org/10.55274/r0010744.

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While the general fracture mechanics methodology for calculating fatigue life is well documented and validated, its application in the definition of pipeline system fatigue lives have differed from field experience. The source and magnitude of the conservatism inherent in the calculated fatigue life estimates are a concern when establishing integrity management programs. Of particular interest are the fatigue life estimates used in the integrity management programs for ERW pipeline systems that are primarily concerned with pipe wall anomalies oriented along the pipe axis. This project was initiated to consider several elements of the fatigue life estimation process to identify if there were sources of conservatism that could be better managed to permit integrity management programs to produce life estimates with known levels of conservatism. The project considered: - Ovality and misalignment stress concentration factors; - Fatigue crack growth rate (da/dN) material performance; and - Bulging correction factor. Both experimental and numerical simulation techniques were used to consider the impact of these factors on rate of fatigue crack growth of pipeline axially oriented defects. The project results were compared to existing codified treatments to quantify the level of conservatism inherent in the current state of practice. Recommendations were provided to enhance the precision and manage conservatism in fatigue crack growth rate calculations used in integrity management.
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