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Articles de revues sur le sujet « Final state model »

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Auteur : Grafiati
Publié le 10 mars 2023

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1

Usher, Gregory, et Stephen Jonathan Whitty. « The final state convergence model ». International Journal of Managing Projects in Business 10, no 4 (5 septembre 2017) : 770–95. http://dx.doi.org/10.1108/ijmpb-11-2016-0090.

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Purpose The purpose of this paper is to expand project management theory about practice and theory for practice through a new conceptual model developed from the transformational production management, strategic management and complexity bodies of theory. Design/methodology/approach This research uses a grounded theory methodology. A preliminary model is developed and tested against two case studies. The model is revised and tested using a purposively selected focus group before being presented in this paper. Findings The research indicates that the “final state convergence model” which has been synthesized from the transformational production management, strategic management and complexity theories. The model illuminates the complexities that can exist within the practice of project management. Research limitations/implications The final state convergence model provides a novel approach to synthesizing new bodies of theory into traditional project management theory. Practical implications The model challenges practitioners to think beyond their current conceptual base of traditional project management methodologies, systems, and processes toward a broader conceptualization of project management. Originality/value The research adds to the theory about practice and theory for practice through the development of a new model which not only illuminates the complexities of project management but enriches and extends the understanding of the actual reality of projects and project management practices.
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2

Csizmadia, P$eacute$ter, et P$eacute$ter L$eacute$vai. « The MICOR hadronization model with final state interactions ». Journal of Physics G : Nuclear and Particle Physics 28, no 7 (19 juin 2002) : 1997–2000. http://dx.doi.org/10.1088/0954-3899/28/7/360.

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3

Steinheimer, J., V. Vovchenko, J. Aichelin, M. Bleicher et H. Stöcker. « Final state hadronic rescattering with UrQMD ». EPJ Web of Conferences 171 (2018) : 05003. http://dx.doi.org/10.1051/epjconf/201817105003.

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In this talk we discuss the effects of the hadronic rescattering on final state observables in high energy nuclear collisions. We do so by employing the UrQMD transport model for a realistic description of the hadronic decoupling process. The rescattering of hadrons modifies every hadronic bulk observable. For example apparent multiplicity of resonances is suppressed as compared to a chemical equilibrium freeze-out model. Stable and unstable particles change their momentum distribution by more than 30% through rescattering. The hadronic rescattering also leads to a substantial decorrelation of the conserved charge distributions. These findings show that it is all but trivial to conclude from the final state observables on the properties of the system at an earlier time where it may have been in or close to local equilibrium.
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4

KAMAL, A. N. « TWO-BODY FINAL STATE INTERACTIONS WITH EXAMPLES ». International Journal of Modern Physics A 07, no 15 (20 juin 1992) : 3515–48. http://dx.doi.org/10.1142/s0217751x92001563.

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Two-body multichannel scattering is discussed using, for pedagogical reasons, a field-theoretical model. Methods for unitarizing two-body hadronic weak decay amplitudes are considered. For illustrative purposes detailed studies are carried out for the following three cases: (i) [Formula: see text], ωρ+, ϕρ+, (ii) D0 → ππ, [Formula: see text], and (iii) [Formula: see text], [Formula: see text].
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Miyazaki, Hiroshi. « Stochastic model of staging in graphite intercalation compounds ». Journal of Materials Research 3, no 3 (juin 1988) : 479–90. http://dx.doi.org/10.1557/jmr.1988.0479.

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A stochastic model is presented for staging transitions in graphite intercalation compounds. Three types of kinetic processes are introduced into the domain model of Daumas and Herold, and a one-dimensional Monte Carlo simulation is carried out within the framework of a single-column model to study the time evolution of the system for a variety of cases of staging transitions. Results of Monte Carlo simulations from stage 3 to stage 2 after a sudden change of chemical potential show that the staging transition depends sensitively on the final value of the chemical potential μf, temperature of the system, and the kinetic coefficients. When μf is taken in a certain range in the phase diagram, the time evolution of the structure factor demonstrates the coexistence and no significant broadening of peaks corresponding to the initial and final stage states. For other values of μf, it is observed that the staging transitions proceed via disordered states and in some cases the final states are also disordered. Similar results are obtained for staging transitions from stage 4 to stage 3. Simulations are also made for staging transitions in which the start is from stage 4 and suddenly μ changes to a value in the stage-2 stable region. It is found that the system transforms either directly into a stage-2 state or into a metastable stage-3 state without showing evidence of further transition into a final stage-2 state, depending upon the values of μf, and kinetic coefficients. A discussion is presented on the possibility of observing an intermediate metastable stage-3 state during the transition from stage 4 to stage 2.
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6

Au, K. L., D. Morgan et M. R. Pennington. « Meson dynamics beyond the quark model : Study of final-state interactions ». Physical Review D 35, no 5 (1 mars 1987) : 1633–64. http://dx.doi.org/10.1103/physrevd.35.1633.

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7

HE, MINGFENG, QI SUN et HAISHAN WANG. « OPINION EVOLUTION MODEL WITH THE STATE OF NEUTRALITY ». International Journal of Modern Physics C 15, no 06 (juillet 2004) : 767–74. http://dx.doi.org/10.1142/s0129183104006212.

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We propose a mechanism of opinion evolution in a closed system. The opinion evolution process can be described as the disposal of multi-information inputs with one opinion accepted as the output. We introduce the opinion neutrality in the system, observing the characteristics of the opinion evolution process; and find that the initial opinion distribution fractions play an important role in the final results. When the two opposite opinions' fraction are equal, the neutrality fraction will affect the final opinion distribution dramatically.
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8

OKOROKOV, V. A. « EVENT SHAPES FOR HADRONIC FINAL STATE : EXPERIMENTAL REVIEW ». International Journal of Modern Physics A 27, no 08 (30 mars 2012) : 1250037. http://dx.doi.org/10.1142/s0217751x12500376.

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The analysis is presented for the first moments of collective observable distributions in two-jet events for various interaction types and for wide initial energy range. These observables include sphericity, thrust, components of transverse particle momentum, alignment and planarity. Database of experimental results created in the framework of the paper includes data for all interactions. Energy dependencies of average values for collective observables except components of transverse momentum show universal behavior for various interactions. Particle transverse momentum as well as its components increase faster for e+e- interaction with growth of [Formula: see text], than that for other interactions. Empirical analytical functions are suggested for description of energy dependence for all collective observables under study with exception of infrared-stable thrust variable. Energy dependence for average thrust is compared with QCD predictions including perturbative part and analytical phenomenological corrections which account for nonperturbative effects. Dispersive model and single dressed gluon approximation are considered for description of energy dependence of first moment of thrust distribution and estimation of strong coupling constant for various interactions as well as for joint sample. The dispersive model allow to describe average thrust versus initial energy in wide range of [Formula: see text] down to strongly nonperturbative domain [Formula: see text] at qualitative level at least. Study of event shape observables allows to obtain estimations of αS(MZ) which are in reasonable agreement both with world average value and with results extracted in the framework of other methods. Using suggested analytical fitted functions some estimations of values of collective parameters under study have been obtained for present and future facilities. In TeV energy domain average values of collective observables either depend on [Formula: see text] weakly or do not depend on initial energy at all within errors. Thus, the TeV scale can be considered as an estimation of the low boundary of asymptotic region for traditional collective parameters. Usually, multiplicity dependence of collective observables under consideration agree with power function in energy domain [Formula: see text] at qualitative level at least. Behavior of sphericity versus multiplicity and comparison of experimental results with model calculations allow to suggest that the universal estimation of the low energy boundary for experimental appearance of event jet structure in multiparticle production processes is [Formula: see text].
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9

PALLANTE, ELISABETTA, ANTONIO PICH et IGNAZIO SCIMEMI. « THE ROLE OF FINAL STATE INTERACTIONS IN ε′/ε ». International Journal of Modern Physics A 16, supp01b (septembre 2001) : 672–74. http://dx.doi.org/10.1142/s0217751x01007765.

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The Standard Model prediction for ε′/ε is updated, taking into account the chiral loop corrections induced by final state interactions. The resulting value, ε′/ε =(17±6)×10-4, is in good agreement with present measurements.
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10

Soldatov, E. Yu. « Standard Model physics at ATLAS ». EPJ Web of Conferences 222 (2019) : 01002. http://dx.doi.org/10.1051/epjconf/201922201002.

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The latest advances in Standard Model measurements performed by the ATLAS experiment at the LHC are discussed. Vector-boson scattering processes have been observed in several final states (ZZ, WZ, same-sign WW), and evidence has been reached in the Zγ final state. The experimental precision of QCD measurements has reached the same order as the theoretical uncertainties on the NNLO calculations. Evidence for the triboson WVV final state has been achieved. The latest results on V+jets, Zγ, W+W− and direct photons production are presented. New results on jet substructure and forward proton tagging program are also discussed.
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11

Baker, Rose D., et Robert H. Stevens. « A Random-Effects Model for Analysis of Infectious Disease Final-State Data ». Biometrics 51, no 3 (septembre 1995) : 956. http://dx.doi.org/10.2307/2532996.

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12

Trofimenkoff, N. N. « K -> ; Decays in the K* Pole Model with Final-State Interactions ». Progress of Theoretical Physics 85, no 4 (1 avril 1991) : 859–75. http://dx.doi.org/10.1143/ptp/85.4.859.

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13

Guimarães, K. S. F. F., I. Bediaga, A. Delfino, T. Frederico, A. C. dos Reis et L. Tomio. « Three-body model of the final state interaction in heavy meson decay ». Nuclear Physics B - Proceedings Supplements 199, no 1 (février 2010) : 341–44. http://dx.doi.org/10.1016/j.nuclphysbps.2010.02.056.

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14

Trofimenkoff, N. N. « The K∗ pole model of K → ππ decays and final-state interactions ». Physics Letters B 246, no 1-2 (août 1990) : 212–16. http://dx.doi.org/10.1016/0370-2693(90)91334-8.

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15

Muhm, A., T. Gutsche, R. Thierauf, Y. Yan et Amand Faessler. « into two mesons in the quark annihilation model including final state interaction ». Nuclear Physics A 598, no 3 (mars 1996) : 285–317. http://dx.doi.org/10.1016/0375-9474(95)00427-0.

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16

Jerôme, Bruno, et Véronique Jerôme-Speziari. « WHY THE STATE-BY-STATE POLITICAL ECONOMY MODEL DID IT RIGHT ». PS : Political Science & ; Politics 46, no 01 (janvier 2013) : 45–46. http://dx.doi.org/10.1017/s1049096512001576.

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One hundred and forty two days before the 2012 US presidential election our final State-by-State Political-Economy Model gave an advantage to Barack Obama with 51.6% of the popular vote (error margin ± 4.47) and 324 electoral votes (Jerôme and Jerôme-Speziari 2012). On November 6, 2012, with 51.6% of the vote and 332 electoral votes, the Democratic incumbent wins a second term. Regarding certainty of an Obama plurality, the model gave a probability of victory by 64%. In 2012, it seems that this was enough to ensure a good predictability.
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17

Bibrzycki, Łukasz, et Robert Kamiński. « Scalar isovector resonance photoproduction through the final state meson–meson interactions ». International Journal of Modern Physics A 31, no 24 (30 août 2016) : 1650139. http://dx.doi.org/10.1142/s0217751x16501396.

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We construct the amplitudes of [Formula: see text] photoproduction taking into account the effects of the [Formula: see text] interchannel coupling. The idea of our model is to describe the scalar isovectors as dynamically produced in the final state while the initial stage of the reaction being described in terms of meson exchanges. Meson loops which arise this way include not only pseudoscalars but also vector mesons. These amplitudes are used to calculate the [Formula: see text]-wave cross-sections and mass distributions in the [Formula: see text] effective mass region corresponding to the scalar resonances [Formula: see text] and [Formula: see text]. The values we obtained for [Formula: see text] are comparable with predictions of other models while the cross-section for [Formula: see text] is about an order of magnitude larger than prediction based on the quark model. We show that the amplitudes with loops containing vector mesons calculated in the on-shell approximation are not suppressed in contrast to amplitudes containing only pseudoscalar loops. We also estimate the cross-sections for the [Formula: see text]- and [Formula: see text]-waves in the [Formula: see text] channel.
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18

Kamal, A. N., R. C. Verma et N. Sinha. « (D, Ds+)→VVdecays in two models : An SU(3)-symmetry model and a factorization model, with final-state interactions ». Physical Review D 43, no 3 (1 février 1991) : 843–54. http://dx.doi.org/10.1103/physrevd.43.843.

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19

Chen, Yun-Hua. « Chromopolarizability of Charmonium and ππ Final State Interaction Revisited ». Advances in High Energy Physics 2019 (23 avril 2019) : 1–5. http://dx.doi.org/10.1155/2019/7650678.

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The chromopolarizability of a quarkonium describes the quarkonium’s interaction with soft gluonic fields and can be measured in the heavy quarkonium decay. Within the framework of dispersion theory which considers the ππ final state interaction (FSI) model-independently, we analyze the transition ψ′→J/ψπ+π- and obtain the chromopolarizability αψ′ψ and the parameter κ. It is found that the ππ FSI plays an important role in extracting the chromopolarizability from the experimental data. The obtained chromopolarizability with the FSI is reduced to about 1/2 of that without the FSI. With the FSI, we determine the chromopolarizability αψ′ψ=(1.44±0.02) GeV-3 and the parameter κ=0.139±0.005. Our results could be useful in studying the interactions of charmonium with light hadrons.
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20

Peskin, Uri, William H. Miller et Hanna Reisler. « Final state‐selected spectra in unimolecular reactions : A transition‐state‐based random matrix model for overlapping resonances ». Journal of Chemical Physics 102, no 22 (8 juin 1995) : 8874–86. http://dx.doi.org/10.1063/1.468941.

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21

Ball, Frank, et Philip O'Neill. « The distribution of general final state random variables for stochastic epidemic models ». Journal of Applied Probability 36, no 2 (juin 1999) : 473–91. http://dx.doi.org/10.1239/jap/1032374466.

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In this paper we introduce the notion of general final state random variables for generalized epidemic models. These random variables are defined as sums over all ultimately infected individuals of random quantities of interest associated with an individual; examples include final severity. By exploiting a construction originally due to Sellke (1983), exact results concerning the final size and general final state random variables are obtained in terms of Gontcharoff polynomials. In particular, our approach highlights the way in which these polynomials arise via simple probabilistic arguments. For ease of exposition we focus initially upon the single-population case before extending our arguments to multi-population epidemics and other variants of our basic model.
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22

Ball, Frank, et Philip O'Neill. « The distribution of general final state random variables for stochastic epidemic models ». Journal of Applied Probability 36, no 02 (juin 1999) : 473–91. http://dx.doi.org/10.1017/s0021900200017265.

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In this paper we introduce the notion of general final state random variables for generalized epidemic models. These random variables are defined as sums over all ultimately infected individuals of random quantities of interest associated with an individual; examples include final severity. By exploiting a construction originally due to Sellke (1983), exact results concerning the final size and general final state random variables are obtained in terms of Gontcharoff polynomials. In particular, our approach highlights the way in which these polynomials arise via simple probabilistic arguments. For ease of exposition we focus initially upon the single-population case before extending our arguments to multi-population epidemics and other variants of our basic model.
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23

Pancheri, G., O. Shekhovtsova et G. Venanzoni. « Tests of the final-state radiation model at DAFNE near π + π - threshold ». European Physical Journal A 31, no 4 (mars 2007) : 458–60. http://dx.doi.org/10.1140/epja/i2006-10220-8.

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24

Pace, E., G. Salmè et F. M. Lev. « Deep inelastic scattering and final state interaction in an exactly solvable relativistic model ». Physical Review C 57, no 5 (1 mai 1998) : 2655–68. http://dx.doi.org/10.1103/physrevc.57.2655.

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25

Andersson, B., G. Gustafson, H. Kharraziha et J. Samuelsson. « Structure functions and general final state properties in the linked dipole chain model ». Zeitschrift f�r Physik C Particles and Fields 71, no 4 (1 août 1996) : 613–24. http://dx.doi.org/10.1007/s002880050209.

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26

Meng, XiangCun, WuMing Yang et ZhongMu Li. « The initial and final state of SNe Ia from the single degenerate model ». Science China Physics, Mechanics and Astronomy 53, no 9 (26 juillet 2010) : 1732–38. http://dx.doi.org/10.1007/s11433-010-4088-9.

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27

Andersson, B., G. Gustafson, H. Kharraziha et J. Samuelsson. « Structure functions and general final state properties in the linked dipole chain model ». Zeitschrift für Physik C : Particles and Fields 71, no 4 (août 1996) : 613–24. http://dx.doi.org/10.1007/bf02907022.

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28

Xiao, Jinsheng, Shuo Ma, Xu Wang, Shanshan Deng, Tianqi Yang et Pierre Bénard. « Effect of Hydrogen Refueling Parameters on Final State of Charge ». Energies 12, no 4 (17 février 2019) : 645. http://dx.doi.org/10.3390/en12040645.

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The state of charge (SOC) is a key indicator to show whether a compressed hydrogen tank meets refueling requirements, so it is worth to study effects of the refueling parameters on it. A new SOC analytical solution is obtained based on a simple thermodynamic model. By applying a mass balance equation and an energy balance equation for a hydrogen storage system, a differential equation was obtained. An analytical solution of hydrogen temperature was deduced from the solution of the differential equation, then an analytical solution of hydrogen mass was further deduced based on the analytical solution of hydrogen temperature with some mathematical modifications. By assuming the hydrogen density inside the tank is uniform, the SOC, which defined as a ratio of hydrogen density to the full-fill density, can be transformed to be the ratio of hydrogen mass to the full-fill mass. The hydrogen mass can be calculated from analytical solution of hydrogen mass, while the full-fill mass is supposed to be a constant value. The full-fill density of 35 MPa and 70 MPa tanks at 15 °C are respectively 24.0 g/L and 40.2 g/L, and if the volume of the tank is known, the full-fill mass can also be calculated. The analytical solution of SOC can be unitized to express the reference data, the contributions of inflow temperature and mass flow rate on SOC are presented for a Dynetek type III tank (40 L, metallic liner) and a Hexagon type IV tank (29 L, plastic liner). In addition, the two-parameter effect of inflow temperature and mass flow rate on SOC are presented. The Nusselt number and Reynolds number are utilized to modify the analytical model, the relationship between SOC and refueling parameters can be obtained through the method of fitting. The fittings show a good agreement. The SOC can be determined from the refueling parameters based on the model with more physical meaning. The method developed in this research can be applied to the control algorithm of refueling stations to ensure safety and efficiency.
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29

Schredl, Michael, et Alyaa Montasser. « Dream Recall : State or Trait Variable ? Part II : State Factors, Investigations and Final Conclusions ». Imagination, Cognition and Personality 16, no 3 (mars 1997) : 239–61. http://dx.doi.org/10.2190/9vuv-wmp7-nkbl-62da.

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The first part of a two article series presented the hypotheses explaining the variation in dream recall, a model of the dream recall process and the empirical data concerning trait factors. The present article includes earlier data concerning state factors, new empirical data on how these influence dream recall, and some final conclusions. State factors such as nocturnal awakenings and focusing on dreams in the morning along with trait factors of fantasy life, creativity and visual memory all play an important part in explaining the variability in dream recall. Additionally, some suggestions for future research in explaining why there is such variability in our ability to recollect what we dreamt in a given night are presented.
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Laubriet, Claude, Brice LeCorre et Kyu Yong Choi. « Two-phase model for continuous final stage melt polycondensation of poly(ethylene terephthalate). 1. Steady-state analysis ». Industrial & ; Engineering Chemistry Research 30, no 1 (janvier 1991) : 2–12. http://dx.doi.org/10.1021/ie00049a001.

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Danilina, Anna, Nikolay Nikitin et Konstantin Toms. « Rare four leptonic B-mesons decays with a neutrino in final state ». EPJ Web of Conferences 222 (2019) : 03019. http://dx.doi.org/10.1051/epjconf/201922203019.

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We revisit prediction for the four – leptonic decay of charged B - mesons in the Standard Model and provide an updated results for branching ratios and various differential distributions. We have taken into account relative phase between intermediate ρ0(770) – and ω(782) – resonances contributing to the amplitude in the framework Vector Meson Dominance model approach.
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FONG, C. Y., et L. H. YANG. « POSSIBLE DOPING MECHANISM IN a-Si:H—THE IMPURITY-DEFECT COMPLEX MODEL ». Modern Physics Letters B 06, no 05 (28 février 1992) : 235–43. http://dx.doi.org/10.1142/s0217984992000314.

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The present status of understanding the doping mechanism in hydrogenated amorphous silicon was reviewed. In particular, we focused on a possible final state of the doping process — the impurity-defect complex. Both theoretical and experimental evidences favor the formation of the impurity-defect complex. However, the microscopic process of forming this final state is still controversial.
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33

Mir, Azeem, Farida Tahir, Shakeel Mahmood et Shi Hai Dong. « Study of Rare Mesonic Decays Involving Di-Neutrinos in Their Final State ». Advances in High Energy Physics 2018 (1 août 2018) : 1–20. http://dx.doi.org/10.1155/2018/4176840.

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We have studied phenomenological implication of R-parity violating (Rp) Minimal Supersymmetric Model (MSSM) via analyses of pure leptonic (M→νν¯) and semileptonic decays of pseudoscalar mesons (M→Xνν¯). These analyses involve comparison between theoretical predictions made by Rp MSSM and the Standard Model (SM) with the experimental results like branching fractions (Br) of the said process. We have found, in general, that Rp contribution dominates over the SM contribution, i.e., by a factor of 10 for the pure leptonic decays of KL,S and by 102 and 104 in case of Bs and Bd, respectively. Furthermore, the limits obtained on Rp Yukawa couplings (λαkβ′λαkγ′⁎) by using Br (M→Xνν¯) are used to calculate Br (M→νν¯). This demonstrates the role of Rp MSSM as a viable model for the study of new physics contribution in rare decays at places like Super B factories, KOTO (J-PARC) and NA62 at CERN.
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Isnaeni, Bekti, Nani Aprilia et Muchamad Fuad Saifuddin. « Rasch model : Quality of final semester assessment items for class x on biology subject ». Biosfer 15, no 2 (31 octobre 2022) : 355–67. http://dx.doi.org/10.21009/biosferjpb.23326.

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The Final The quality of the question item is important to know to produce more accurate measurements. Final Semester Assessment questions have not been analyzed, and many students still have not passed the Minimum Criterion of Mastery Learning (MCML). This research aims to determine the quality of the question items in the Final Semester Assessment of State High School in the Gondokusuman District. This research uses a quantitative descriptive approach. The population and sample in this study were the answer sheets of all students of class X MIPA at 6th and 9th State Senior High School Yogyakarta in the 2020/2021 school year, which amounted to 462 sheets. Sampling techniques used saturated samples. The data collection procedures were observation and documentation; The analysis was quantitative descriptive. Research results showed the results as 1) there is a difference in the level of question validity of the two schools; 2) The reliability of the questions whether by 6th and 9th State Senior High School Yogyakarta had excellent value; 3) The difficulty level of questions at SMA N 6 Yogyakarta is higher than SMA N 9 Yogyakarta; 4) Differentiating level of the questions by 6th State Senior High School Yogyakarta was seven groups of questions and the questions by 9th State Senior High School Yogyakarta was 11 groups of questions; 5) The effectiveness of distracting questions at 6th and 9th State Senior High School Yogyakarta is not practical; 6) The suitability of the questions with the material and construction aspects of the questions at SMA N 9 Yogyakarta is better than SMA N 6 Yogyakarta.
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Naumova, O. S., et T. N. Klimenko. « BACHELOR OF EDUCATION IN A FOREIGN LANGUAGE : INTEGRATED MODEL OF THE STATE FINAL EXAMINATION ». Pedagogical IMAGE 11, no 1 (2018) : 104–24. http://dx.doi.org/10.32343/2409-5052-2018-11-1-104-124.

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Davignon, Olivier. « Search for Standard Model Higgs boson in the two-photon final state in ATLAS ». EPJ Web of Conferences 28 (2012) : 12058. http://dx.doi.org/10.1051/epjconf/20122812058.

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Humanic, T. J. « Calculations of three-pion correlations from a final-state rescattering model : comparisons with experiment. » Nuclear Physics A 661, no 1-4 (décembre 1999) : 431–34. http://dx.doi.org/10.1016/s0375-9474(99)85058-1.

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Le Yaouanc, A., L. Oliver et J. C. Raynal. « CP violation beyond the standard model and final state interaction phases in D mesons ». Physics Letters B 292, no 3-4 (octobre 1992) : 353–63. http://dx.doi.org/10.1016/0370-2693(92)91187-e.

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De la Sen, Manuel, Asier Ibeas et Santiago Alonso-Quesada. « On the Reachability of a Feedback Controlled Leontief-Type Singular Model Involving Scheduled Production, Recycling and Non-Renewable Resources ». Mathematics 9, no 17 (6 septembre 2021) : 2175. http://dx.doi.org/10.3390/math9172175.

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This paper proposes and studies the reachability of a singular regular dynamic discrete Leontief-type economic model which includes production industries, recycling industries, and non-renewable products in an integrated way. The designed prefixed final state to be reached, under discussed reachability conditions, is subject to necessary additional positivity-type constraints which depend on the initial conditions and the final time for the solution to match such a final prescribed state. It is assumed that the model may be driven by both the demand and an additional correcting control in order to achieve the final targeted state in finite time. Formal sufficiency-type conditions are established for the proposed singular Leontief model to be reachable under positive feedback, correcting controls designed for appropriate demand/supply regulation. Basically, the proposed regulation scheme allows fixing a prescribed final state of economic goods stock in finite time if the model is reachable.
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Meakin, Paul. « Steady state behavior in a model for droplet growth, sliding and coalescence : the final stage of dropwise condensation ». Physica A : Statistical Mechanics and its Applications 183, no 4 (mai 1992) : 422–38. http://dx.doi.org/10.1016/0378-4371(92)90293-y.

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DYBIEC, BARTŁOMIEJ. « AXELROD MODEL WITH EXTENDED CONSERVATIVENESS ». International Journal of Modern Physics C 23, no 12 (décembre 2012) : 1250086. http://dx.doi.org/10.1142/s0129183112500866.

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Similarity of opinions and memory about recent interactions are two main factors determining likelihood of social contacts. Here, we explore the Axelrod model with an extended conservativeness which incorporates not only similarity between individuals but also a preference to the last source of accepted information. The additional preference given to the last source of information increases the initial decay of the number of ideas in the system, changes the character of the phase transition between homogeneous and heterogeneous final states and could increase the number of stable regions (clusters) in the final state.
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M. M, Mennatallah, W. Osman et M. Fayed. « Multisource Evidence for Final State Hadrons in 3.7A GeV 16O–Nucleus Interactions ». JOURNAL OF ADVANCES IN PHYSICS 14, no 1 (7 mars 2018) : 5213–21. http://dx.doi.org/10.24297/jap.v14i1.7098.

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In 3.7A GeV 16O interactions with emulsion nuclei, the shower particle multiplicity characteristics are investigated. Data are presented in terms of the number of emitted particles in both forward and backward angular zones. The dependence on the target size and emission direction is presented. The target separation of events depends on Glauber's multiple scattering theory approaches. A decay mechanism seems to be a characteristic of the backward production. This production may be during the de–excitation of the excited target nucleus, regarding the nuclear limiting fragmentation hypothesis. The forward emitted particle is due to a creation system. The target size is an effective parameter as well as the projectile size in this system, considering the geometrical concept regarded in the nuclear fireball concept. The data are simulated in the framework of the modified FRITIOF model. The multisource thermal model can predict source numbers responsible for particle production.
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Liu, Fu-Hu, Jia-Yu Chen et Qiang Zhang. « Multisource Thermal Model Describing Transverse Momentum Spectra of Final-State Particles in High-Energy Collisions ». Advances in High Energy Physics 2022 (3 mars 2022) : 1–11. http://dx.doi.org/10.1155/2022/7274958.

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In this minireview article, the transverse momentum spectra of final-state particles produced in high-energy hadron-hadron, hadron-nucleus, and nucleus-nucleus collisions described by the multisource thermal model at the quark or parton level are summarized. In the model, the participant or contributor quarks or partons are considered to contribute together to the transverse momentum distribution of final-state particles with different modes of contributions. The concrete mode of contribution is generally determined by the difference of azimuthal angles of contributor partons in their emissions.
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HE, MINGFENG, QIU-HUI PAN et SHUANG WANG. « FINAL STATE OF ECOSYSTEM CONTAINING GRASS, SHEEP AND WOLVES WITH AGING ». International Journal of Modern Physics C 16, no 01 (janvier 2005) : 177–90. http://dx.doi.org/10.1142/s0129183105007017.

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This paper describes a cellular automata model containing movable wolves, sheep and reproducible grass. Each wolf or sheep is characterized by Penna bitstrings. In addition, we introduce the energy rule and the predator–prey mechanism for wolf and sheep. With considering age-structured, genetic strings, minimum reproduction age, cycle of the reproduction, number of offspring, we get three possible states of a predator–prey system: the coexisting one with predators and prey, the absorbing one with prey only, and the empty one where no animal survived. In this paper, we mainly discuss the effect of the number of poor genes, the energy supply (food), the minimum reproduction age, the reproductive cycle and the birth rate on the above three possible final states.
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SCHECHTER, J. « ISOBAR RESCATTERING MODEL AND LIGHT SCALAR MESONS ». International Journal of Modern Physics A 20, no 27 (30 octobre 2005) : 6149–58. http://dx.doi.org/10.1142/s0217751x05029174.

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Colli, L., H.-P. Bunge et J. Oeser. « Impact of model inconsistencies on reconstructions of past mantle flow obtained using the adjoint method ». Geophysical Journal International 221, no 1 (20 janvier 2020) : 617–39. http://dx.doi.org/10.1093/gji/ggaa023.

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SUMMARY The adjoint method is a powerful technique to compute sensitivities (Fréchet derivatives) with respect to model parameters, allowing one to solve inverse problems where analytical solutions are not available or the cost to determine many times the associated forward problem is prohibitive. In Geodynamics it has been applied to the restoration problem of mantle convection—that is, to reconstruct past mantle flow states with dynamic models by finding optimal flow histories relative to the current model state—so that poorly known mantle flow parameters can be tested against observations gleaned from the geological record. By enabling us to construct time dependent earth models the adjoint method has the potential to link observations from seismology, geology, mineral physics and palaeomagnetism in a dynamically consistent way, greatly enhancing our understanding of the solid Earth system. Synthetic experiments demonstrate for the ideal case of no model error and no data error that the adjoint method restores mantle flow over timescales on the order of a transit time (≈100 Myr). But in reality unavoidable limitations enter the inverse problem in the form of poorly known model parameters and uncertain state estimations, which may result in systematic errors of the reconstructed flow history. Here we use high-resolution, 3-D spherical mantle circulation models to perform a systematic study of synthetic adjoint inversions, where we insert on purpose a mismatch between the model used to generate synthetic data and the model used for carrying out the inversion. By considering a mismatch in rheology, final state and history of surface velocities we find that mismatched model parameters do not inhibit misfit reduction: the adjoint method still produces a flow history that fits the estimated final state. However, the recovered initial state can be a poor approximation of the true initial state, where reconstructed and true flow histories diverge exponentially back in time and where for the more divergent cases the reconstructed initial state includes physically implausible structures, especially in and near the thermal boundary layers. Consequently, a complete reduction of the cost function may not be desirable when the goal is a best fit to the initial condition. When the estimated final state is a noisy low-pass version of the true final state choosing an appropriate misfit function can reduce the generation of artefacts in the initial state. While none of the model mismatches considered in this study, taken singularly, results in a complete failure of the recovered flow history, additional work is needed to assess their combined effects.
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Iima, Makoto, Naoto Yokoyama, Norio Hirai et Kei Senda. « Controlling Flow Structures by Wing Motion in a Flapping-Flight Model ». Advances in Science and Technology 84 (septembre 2012) : 59–65. http://dx.doi.org/10.4028/www.scientific.net/ast.84.59.

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We have studied flow control in a two-dimensional flapping flight model for insects. The insect's center-of-mass motion can move in both horizontal and vertical directions according to the hydrodynamic force generated by flapping. Under steady flapping motion, the model converges to steady flight states depending on initial conditions. Further, we show that a short-time wing stop can control the final steady flight states. The model's flight finally converges to a final state by way of another quasi-steady state, which is not observed as a (stable) steady flight.
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Pafomov, V. E., et V. A. Sergeev. « Final-state interaction between nucleons in elastic deuteron breakup within the three-body potential model ». Bulletin of the Russian Academy of Sciences : Physics 72, no 6 (juin 2008) : 837–41. http://dx.doi.org/10.3103/s1062873808060269.

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Lukina, T. « Change of the model of state final attestation of gymnasium graduates : organizational and methodological aspects ». Ukrainian Educational Journal, no 2 (2020) : 42–50. http://dx.doi.org/10.32405/2411-1317-2020-2-42-50.

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UPADHYAY, N. J., B. K. JAIN, K. P. KHEMCHANDANI et N. G. KELKAR. « PAIRWISE FINAL STATE INTERACTIONS IN THE p d→p dη REACTION NEAR THRESHOLD ». Modern Physics Letters A 24, no 29 (21 septembre 2009) : 2319–29. http://dx.doi.org/10.1142/s0217732309031545.

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A model for the p d→p dη reaction published earlier, including the final state interaction (FSI) of all particles, is revisited to investigate the low energy data on this reaction. The three-body problem of p–d–η scattering in the final state is approximated in terms of pairwise interactions between the three particles in the final state. Apart from a comparison with some preliminary data, two new findings relevant to the near threshold data analysis are reported. The first one points toward the limitations of an FSI factor used conventionally to extract the eta-deuteron scattering length and infer subsequently on the existence of eta-mesic states. The second result emphasizes the role of the p–d FSI and the strong Coulomb repulsion near threshold. Finally, a comparison of the above model calculation with low energy data, excludes very large eta-nucleon scattering lengths.
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