Academic literature on the topic 'Boosted-jet'

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Journal articles on the topic "Boosted-jet"

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Bhattacherjee, Biplob, Sourav K. Mandal, and Mihoko Nojiri. "Top Polarization from Boosted Jet Substructure." EPJ Web of Conferences 49 (2013): 17007. http://dx.doi.org/10.1051/epjconf/20134917007.

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Klimek, Matthew D. "The time substructure of jets and boosted object tagging." Journal of Physics G: Nuclear and Particle Physics 49, no. 4 (2022): 045008. http://dx.doi.org/10.1088/1361-6471/ac446a.

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Abstract We propose the study of the time substructure of jets, motivated by the fact that the next generation of detectors at particle colliders will resolve the time scale over which jet constituents arrive. This effect is directly related to the fragmentation and hadronization process, which transforms partons into massive hadrons with a distribution of velocities. We review the basic predictions for the velocity distribution of jet hadrons, and suggest an application for this information in the context of boosted object tagging. By noting that the velocity distribution is determined by the
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Kagan, Michael, Luke de Oliveira, Lester Mackey, Benjamin Nachman, and Ariel Schwartzman. "Boosted Jet Tagging with Jet-Images and Deep Neural Networks." EPJ Web of Conferences 127 (2016): 00009. http://dx.doi.org/10.1051/epjconf/201612700009.

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Schramm, Steven. "ATLAS Jet Reconstruction, Calibration, and Tagging of Lorentzboosted Objects." EPJ Web of Conferences 182 (2018): 02113. http://dx.doi.org/10.1051/epjconf/201818202113.

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Jet reconstruction in the ATLAS detector takes multiple forms, as motivated by the intended usage of the jet. Different jet definitions are used in particular for the study of QCD jets and jets containing the hadronic decay of boosted massive particles. These different types of jets are calibrated through a series of mostly sequential steps, providing excellent uncertainties, including a first in situ calibration of the jet mass scale. Jet tagging is investigated, including both not-top-quark vs gluon discrimination as well as W/Z boson, H → bb, and top-quark identification. This includes a fi
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Dasgupta, Mrinal, Laís Schunk, and Gregory Soyez. "Jet shapes for boosted jet two-prong decays from first-principles." Journal of High Energy Physics 2016, no. 4 (2016): 1–50. http://dx.doi.org/10.1007/jhep04(2016)166.

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ALON, RAZ. "JET RESULTS, JET RECONSTRUCTION, AND UNDERLYING EVENT STUDIES AT CDF." International Journal of Modern Physics E 20, no. 07 (2011): 1572–77. http://dx.doi.org/10.1142/s0218301311019891.

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We present recent results of jet studies from the CDF Collaboration. The inclusive jet cross section measurements using different clustering algorithms, dijet production, and vector boson plus jet production measurements, are discussed. We also present the first study of highly boosted and massive jets. The properties of these jets, including the mass of the jet and several other observables, such as angularity and planar flow, are discussed.
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Cacciari, Matteo. "Phenomenological and theoretical developments in jet physics at the LHC." International Journal of Modern Physics A 30, no. 31 (2015): 1546001. http://dx.doi.org/10.1142/s0217751x1546001x.

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We review the history of jets in high energy physics, and describe in more detail the developments of the past ten years, discussing new algorithms for jet finding and their main characteristics, and summarising the status of perturbative calculations for jet cross sections in hadroproduction. We also describe the emergence of jet grooming and tagging techniques and their application to boosted jets analyses.
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Chiodini, Gabriele. "Jet Substructure Measurements Sensitive to Soft QCD effects with the ATLAS Detector." EPJ Web of Conferences 192 (2018): 00007. http://dx.doi.org/10.1051/epjconf/201819200007.

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Jet substructure observables are powerful tools for the identification of boosted heavy particles and for probing QCD at different energy scales in proton-proton collisions at the LHC. In this work three recent ATLAS measurements sensitive to soft QCD effects and performed with the use of jet substructures are described. Their are kt splitting scales, soft-drop jet masses and pull-jet angles. Some discrepancies between data and predictions are observed in the non-perturbative regime.
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Kim, Hyo J., Yang S. Park, Gae H. Lee, Kee B. Lee, Hasuck Kim, and Jae S. Kim. "Emission Characteristics of Jet Configurations for Jet-Boosted Glow Discharge Atomic Emission Spectrometry." Microchemical Journal 59, no. 3 (1998): 399–412. http://dx.doi.org/10.1006/mchj.1998.1627.

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Dillon, Barry M., Darius A. Faroughy, Jernej F. Kamenik, and Manuel Szewc. "Learning Latent Jet Structure." Symmetry 13, no. 7 (2021): 1167. http://dx.doi.org/10.3390/sym13071167.

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We summarize our recent work on how to infer on jet formation processes directly from substructure data using generative statistical models. We recount in detail how to cast jet substructure observables’ measurements in terms of Bayesian mixed membership models, in particular Latent Dirichlet Allocation. Using a mixed sample of QCD and boosted tt¯ jet events and focusing on the primary Lund plane observable basis for event measurements, we show how using educated priors on the latent distributions allows to infer on the underlying physical processes in a semi-supervised way.
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Dissertations / Theses on the topic "Boosted-jet"

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Abad, David Romero. "Search for massive resonances decaing into pairs of boosted bosons in missing energy plus jet final state Vs=13 TeV." reponame:Repositório Institucional da UFABC, 2017.

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Orientador: Prof. Dr. Eduardo de Moraes Gregores<br>Tese (doutorado) - Universidade Federal do ABC, Programa de Pós-Graduação em Física, 2017.<br>O Large Hadron Collider (LHC) do CERN foi projetado e construído com o objetivo de proporcionar a observação de fenômenos na fronteira das altas energias. O Compact Muon Solenoide (CMS) é um dos quatros experimentos que observam o resultado das colisões hadrônicas de altas energias geradas pelo LHC, podendo medir com grande precisão diversos parâmetros do Modelo Padrão das interações fundamentais bem como propiciar o descobrimento de novos constituin
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Ticse, Torres Royer Edson. "Search for the Higgs boson in the ttH(H -> bb) channel and the identification of jets containing two B hadrons with the ATLAS experiment." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4052/document.

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En juillet 2012, le CERN a annoncé la découverte du boson de Higgs qui est la dernière particule manquante du Modèle Standard (MS). Le boson de Higgs a été observé dans différents canaux. La mesure précise de ses propriétés est maintenant très importante pour rechercher des déviations par rapport au SM. Cette thèse présente une recherche du boson de Higgs produit en association avec une paire de quarks top et se désintégrant en une paire de b quark, le canal ttH(H → bb) , en utilisant les données de collisions proton-proton à √s = 13 TeV, collectées avec le détecteur ATLAS en 2015 et 2016. Ce
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Schwarz, Dennis [Verfasser]. "Measurements of jet mass, top quark mass and top tagging efficiencies in decays of boosted top quarks at CMS / Dennis Schwarz." Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky, 2020. http://d-nb.info/1229625674/34.

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Cavalli, Noemi. "Misura della massa del quark top usando eventi t\bar{t} selezionati da CMS a 13 TeV nel regime all-jet boosted." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14612/.

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Il presente elaborato riporta una misura della massa del quark top effettuata impiegando dati raccolti tramite il rivelatore CMS a LHC durante il Run del 2016, con energia del centro di massa per le collisioni pp pari a 13 TeV e luminosità integrata di 37.0 fb^(−1). Sono stati studiati i prodotti di decadimento di coppie tt secondo il canale totalmente adronico (all jets) in regime boosted. Tale canale risulta essere caratterizzato dalla presenza di due jet ampi, associati sia al decadimento dei bosoni W che al quark b. Per migliorare la purezza del campione gli eventi candidati sono stati se
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Dechenaux, Benjamin. "Recherche de résonance lourde dans le spectre de masse invariante top-antitop auprès de l'expérience ATLAS du LHC." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-01038630.

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La présente thèse constitue le compte rendu de l'analyse menée auprès du détecteur ATLAS du LHC et concernant la recherche de processus de création résonante de nouvelles particules se désintégrant en une paire de quarks top. Elle s'articule principalement autour de la notion de jet de hadrons, dont l'identification et la reconstruction est un enjeu capital pour toute mesure essayant de signer l'apparition de quarks top lors de processus de collisions proton-proton. Après une mise en contexte portant sur une description générale des caractéristiques théoriques et expérimentales que présente la
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GEROSA, RAFFAELE ANGELO. "Search for new particles decaying into vector boson pairs at LHC with the CMS detector and prospects for the vector boson scattering at the future High Luminosity LHC." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2015. http://hdl.handle.net/10281/94351.

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This thesis presents a three year work inside the Compact Muon Solenoid (CMS) collaboration, mainly focused on data analysis from proton-proton collisions collected by the Large Hadron Collider (LHC) at a centre of mass energy of 8 TeV (LHC Run-I). My efforts were dedicated to searches for heavy particles decaying into di-boson pairs exploring boosted topologies, where the fragmentation products of hadronically decaying vector bosons overlap in the detector, preventing their identification as resolved jets. Several benchmark scenarios for new physics have been considered, from heavy Standard
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Dreyer, Torben [Verfasser], and Johannes [Akademischer Betreuer] Haller. "First measurement of the jet mass in events with highly boosted top quarks and studies with top tagging at CMS / Torben Dreyer ; Betreuer: Johannes Haller." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2019. http://d-nb.info/1201821339/34.

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Cinca, Diane. "Etude de la production de paires de quarks TOP avec ATLAS au LHC, mesure de la masse du quark TOP." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2011. http://tel.archives-ouvertes.fr/tel-00653792.

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Découvert en 1995 à Fermilab, le quark top est le dernier quark découvert. La mesure de ses propriétés permet de tester les prédictions du Modèle Standard et de contraindre la masse du boson de Higgs. De par ses propriétés, le quark top est aussi un partenaire privilégié dans la recherche de particules de Nouvelle Physique attendues à l'échelle du TeV. Ce travail de thèse, effectué auprès du détecteur ATLAS au LHC, présente les méthodes mises en oeuvre afin de mesurer la masse du quark top dans sa désintégration semileptonique. Différentes méthodes de reconstruction des évènements top sont pré
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Farooque, Trisha. "Search for Heavy Resonances Decaying to Top Quark Pairs in the Boosted All-Hadronic Decay Channel." Thesis, 2013. http://hdl.handle.net/1807/43946.

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Many theories of physics beyond the Standard Model predict the existence of TeV-scale resonances that decay to top quark pairs. This thesis presents a search for such resonances produced in proton-proton collisions at a centre-of-mass energy of 7 TeV at the CERN Large Hadron Collider with 4.7 fb−1 of data collected by the ATLAS detector in 2011. The search is performed in the channel where both top quarks decay hadronically and emerge in highly boosted states, and the collimated decay products of each boosted top quark are reconstructed as a single large jet (a “top quark jet”). A tagging tech
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Books on the topic "Boosted-jet"

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Marzani, Simone, Gregory Soyez, and Michael Spannowsky. Looking Inside Jets: An Introduction to Jet Substructure and Boosted-object Phenomenology. Springer, 2019.

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Book chapters on the topic "Boosted-jet"

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Joshi, Kiran. "Studies and Applications of Jet Vetoing in Boosted Topologies." In QCD Radiation in Top-Antitop and Z+Jets Final States. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19653-4_6.

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Maltais, Jean-Nicolas, Michel Meyer, Mathieu Leduc, Guillaume Girault, and Hyacinthe Rollant. "Jet Induced Boosted Suction System for Roof Vent Emission Control: New Developments and Outlooks." In Light Metals 2012. Springer International Publishing, 2012. http://dx.doi.org/10.1007/978-3-319-48179-1_93.

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Maltais, Jean-Nicolas, Michel Meyer, Mathieu Leduc, Guillaume Girault, and Hyacinthe Rollant. "Jet Induced Boosted Suction System for Roof-Vent Emission Control: New Developments and Outlooks." In Light Metals 2012. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118359259.ch93.

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Wigger, John. "The Boeing 727." In The Hijacking of American Flight 119. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197695753.003.0016.

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Abstract This chapter discusses the Boeing 727, which began commercial flight in 1964. It begins by tracing the history of jets, looking at the Douglas Company’s DC-3, which made commercial airlines profitable beginning in 1936. The Boeing 707 was the first successful jet airliner, and the Boeing 727 pushed the boundaries of commercial jet performance. Jack Steiner, the head of the 727 program, and his engineers gave it full hydraulically boosted controls, giving it sports-car handling compared with the 707’s school-bus feel. The 727 was also the first airliner to have an auxiliary power unit,
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Conference papers on the topic "Boosted-jet"

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Sunar Cerci, Deniz. "Jet substructure and boosted jet measurements at CMS." In 40th International Conference on High Energy physics. Sissa Medialab, 2021. http://dx.doi.org/10.22323/1.390.0507.

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Chapleau, Bertrand. "ATLAS jet measurements, and subjet structure for boosted hadronic objects." In 36th International Conference on High Energy Physics. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.174.0269.

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RAPPOCCIO, Salvatore. "A new top jet tagging algorithm for highly boosted top jets." In European Physical Society Europhysics Conference on High Energy Physics. Sissa Medialab, 2010. http://dx.doi.org/10.22323/1.084.0360.

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Veatch, Jason. "Identification of boosted hadronically decaying particles with jet substructure in ATLAS Run-2." In XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects. Sissa Medialab, 2018. http://dx.doi.org/10.22323/1.316.0104.

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Schramm, Steven. "Performance of boosted object and jet substructure techniques in Run 1 and 2 ATLAS data." In 38th International Conference on High Energy Physics. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.282.1155.

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Paasch, Alexander, and Dennis Schwarz. "Measurement of the jet mass distribution of boosted top quarks and the top quark mass with CMS." In The European Physical Society Conference on High Energy Physics. Sissa Medialab, 2024. http://dx.doi.org/10.22323/1.449.0327.

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Harrington, Anthony, Jonathan Hall, Mike Bassett, and Adrian Cooper. "Effect of Jet Ignition on Lean Methanol Combustion Using High Compression Ratio." In WCX SAE World Congress Experience. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0319.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Significant reductions in vehicle carbon dioxide (CO2) emissions are required to meet fleet targets and this is increasing the interest in new combustion concepts for internal combustion engines. There is also an increased focus on the use of renewable fuels to reduce environmental impact. This study focusses on the use of methanol as an internal combustion engine fuel. Methanol is a liquid fuel that is readily produced from waste bio-matter, as well as synthetically using renewable energy, and is proposed as a primary e
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Joshi, Shailesh N., Matthew J. Rau, and Ercan M. Dede. "An Experimental Study of a Single-Device Jet Impingement Cooler With Phase Change Using HFE-7100 and a Vapor Extraction Manifold." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63249.

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There is substantial ongoing research into jet impingement cooling with phase change for high heat flux electronics applications. Higher heat transfer coefficients can be achieved through coolant phase change, although the proper evacuation of the resulting two-phase flow is important as it can affect the overall heat transfer performance of the cooler. In prior work, the accumulation of vapor in a multi-device cooler during the two-phase heat transfer process was shown to cause a build-up of pressure inside the cooler. This increase in pressure is logically related to the position of the cool
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Briones, Alejandro M., Dave L. Burrus, Timothy J. Erdmann, and Dale T. Shouse. "Effect of Centrifugal Force on the Performance of High-G Ultra Compact Combustor." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43445.

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A numerical investigation of reacting flows in an advanced high-g cavity (HGC), Ultra-Compact Combustor (UCC) concept is conducted. The high-g cavity UCC (UCC-HGC) design uses high swirl in a circumferential cavity (CC) wrapped around a main stream annular flow. The high swirl is generated through angled CC driver jets. This centrifugal force is varied by changing the CC-to-core air mass flow ratio (ṁcc/ṁcore) and jet inclination angle (αjet) relative to the cavity ring surface, while maintaining the global equivalence ratio (ϕGlobal) constant. Steady, rotational periodic, 3D simulations are
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Cyrus, John D., David J. Bents, and David M. Overholt. "A Supercharged Turbojet for High Altitude Atmospheric Science Investigations." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-106.

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A study was conducted for NASA Dryden Flight Research Center to investigate the viability of developing an externally powered zero stage booster fan to boost the altitude performance of a high altitude turbojet from 80 kft. to over 90 kft., in order to realize a very high altitude subsonic remotely piloted aircraft (RPA) capable of atmospheric science missions. A modified non-airbreathing torpedo engine powers the booster fan. The powered fan is grafted onto an airbreathing turbojet (the General Electric YJ97 jet engine) and is used to supercharge the engine (boost inlet pressure and airflow)
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