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检索条件"主题词=Fragmentation Functions"
79 条 记 录,以下是1-10 订阅
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Inferring interpretable models of fragmentation functions using symbolic regression
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MACHINE LEARNING-SCIENCE AND TECHNOLOGY 2025年 第2期6卷 025003-025003页
作者: Makke, Nour Chawla, Sanjay HBKU Qatar Comp Res Inst Doha Qatar
Machine learning is rapidly making its path into the natural sciences, including high-energy physics. We present the first study that infers, directly from experimental data, a functional form of fragmentation functio... 详细信息
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Flavor dependence of charged pion fragmentation functions
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PHYSICS LETTERS B 2025年 865卷
作者: Bhatt, H. Bosted, P. Jia, S. Armstrong, W. Dutta, D. Ent, R. Gaskell, D. Kinney, E. Mkrtchyan, H. Ali, S. Ambrose, R. Androic, D. Gayoso, C. Ayerbe Bandari, A. Berdnikov, V. Bhetuwal, D. Biswas, D. Boer, M. Brash, E. Camsonne, A. Cardona, M. Chen, J. P. Chen, J. Chen, M. Christy, E. M. Danagoulian, S. Covrig, S. Duran, B. Elaasar, M. Elliot, C. Fenker, H. Fuchey, E. Hansen, J. O. Hauenstein, F. Diefenthaler, M. Horn, T. Huber, G. M. Jones, M. K. Kabir, M. L. Karki, A. Karki, B. Kay, S. J. D. Keppel, C. Kumar, V. Lashley-Colthirst, N. Li, W. B. Mack, D. Malace, S. Markowitz, P. McCaughan, M. McClellan, E. Meekins, D. Michaels, R. Mkrtchyan, A. Niculescu, G. Niculescu, I. Pandey, B. Park, S. Pooser, E. Sawatzky, B. Smith, G. R. Szumila-Vance, H. Tadepalli, A. S. Tadevosyan, V. Trotta, R. Voskanyan, H. Wood, S. A. Ye, Z. Yero, C. Zheng, X. Mississippi State Univ Mississippi State MS 39762 USA Coll William & Mary Williamsburg VA 23185 USA Temple Univ Philadelphia PA 19122 USA Argonne Natl Lab Lemont IL 60439 USA Thomas Jefferson Natl Accelerator Facil Newport News VA 23606 USA Univ Colorado Boulder Boulder CO 80309 USA Yerevan Phys Inst AI Alikhanyan Natl Sci Lab Yerevan 0036 Armenia Catholic Univ Amer Washington DC 20064 USA Univ Regina Regina SK S4S 0A2 Canada Univ Zagreb Zagreb Croatia Hampton Univ Hampton VA 23668 USA Christopher Newport Univ Newport News VA 23606 USA Univ Virginia Charlottesville VA 22903 USA North Carolina A&T State Univ Greensboro NC 27411 USA Southern Univ New Orleans New Orleans LA 70126 USA Univ Tennessee Knoxville TN 37996 USA Univ Connecticut Storrs CT 06269 USA Old Dominion Univ Norfolk VA 23529 USA Ohio Univ Athens OH 45701 USA Univ York York Y010 5DD England Florida Int Univ University Pk FL 33199 USA James Madison Univ Harrisonburg VA 22807 USA Virginia Mil Inst Lexington VA 24450 USA SUNY Stony Brook Stony Brook NY 11794 USA Tsinghua Univ Beijing 100084 Peoples R China
We have measured the flavor dependence of multiplicities for pi(+ )and pi(-) production in semi-inclusive deep-inelastic scattering (SIDIS) on proton and deuteron to explore a possible charge symmetry violation in fra... 详细信息
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fragmentation functions for Ξ-/(Ξ)over-bar+ using neural networks
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NUCLEAR PHYSICS A 2023年 1029卷
作者: Soleymaninia, Maryam Hashamipour, Hadi Khanpour, Hamzeh Spiesberger, Hubert Inst Res Fundamental Sci IPM Sch Particles & Accelerators POB 19395-5531 Tehran Iran Univ Udine Dipartimento Politecn Ingn & Architettura Via Sci 206 I-33100 Udine Italy Abdus Salaam Int Ctr Theoret Phys Str Costiera 11 I-34151 Trieste Italy Univ Sci & Technol Mazandaran Dept Phys POB 48518-78195 Behshahr Iran Johannes Gutenberg Univ Mainz Inst Phys PRISMA Cluster Excellence Staudinger Weg 7 D-55099 Mainz Germany
We present a determination of fragmentation functions (FFs) for the octet baryon Xi(-)/(Xi) over bar (+) from data for single inclusive electron-positron annihilation. Our parametrization in this QCD analysis is provi... 详细信息
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Simultaneous Determination of fragmentation functions and Test on Momentum Sum Rule
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Physical Review Letters 2024年 第26期132卷 261903-261903页
作者: Jun Gao ChongYang Liu XiaoMin Shen Hongxi Xing Yuxiang Zhao INPAC Shanghai Key Laboratory for Particle Physics and Cosmology and School of Physics and Astronomy Key Laboratory for Particle Astrophysics and Cosmology (MOE) Shanghai 200240 China Notkestr. 85 22607 Hamburg Germany Key Laboratory of Atomic and Subatomic Structure and Quantum Control (MOE) Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter Institute of Quantum Matter Guangdong-Hong Kong Joint Laboratory of Quantum Matter Guangdong Provincial Key Laboratory of Nuclear Science Southern Nuclear Science Computing Center Southern Center for Nuclear-Science Theory (SCNT) Beijing 100049 China Key Laboratory of Quark and Lepton Physics (MOE) and Institute of Particle Physics
We perform a simultaneous global analysis of hadron fragmentation functions (FFs) to various charged hadrons (π±, K±, and p/p¯) at next-to-leading order in QCD. The world data include results from elec... 详细信息
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Number Density Interpretation of Dihadron fragmentation functions
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Physical Review Letters 2024年 第1期132卷 011902-011902页
作者: D. Pitonyak C. Cocuzza A. Metz A. Prokudin N. Sato Department of Physics Lebanon Valley College Annville Pennsylvania 17003 USA Department of Physics SERC Temple University Philadelphia Pennsylvania 19122 USA Division of Science Penn State University Berks Reading Pennsylvania 19610 USA Jefferson Lab Newport News Virginia 23606 USA
We present a new quantum field-theoretic definition of fully unintegrated dihadron fragmentation functions (DiFFs) as well as a generalized version for n-hadron fragmentation functions. We demonstrate that this defini... 详细信息
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Determination of KS0 fragmentation functions including BESIII measurements and using neural networks
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Physical Review D 2024年 第1期110卷 014019-014019页
作者: Maryam Soleymaninia Hadi Hashamipour Maral Salajegheh Hamzeh Khanpour Hubert Spiesberger Ulf-G. Meißner School of Particles and Accelerators I-87036 Arcavacata di Rende Cosenza Italy Helmholtz-Institut für Strahlen-und Kernphysik and Bethe Center for Theoretical Physics Faculty of Physics and Applied Computer Science Al. Mickiewicza 30 30-055 Kraków Poland Department of Physics PRISMA Institute for Advanced Simulation (IAS-4) 0186 Tbilisi Georgia
In this study, we revisit the extraction of parton-to-KS0 hadron fragmentation functions, named FF24-KS0, focusing on both next-to-leading-order and next-to-next-to-leading-order accuracy in perturbative QCD. Our appr... 详细信息
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Information entropy and fragmentation functions
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NUCLEAR PHYSICS A 2023年 1036卷
作者: Benito-Calvino, Guillermo Garcia-Olivares, Javier Llanes-Estrada, Felipe J. Univ Complutense Madrid Fac Ciencias Fis Dept Fis Teor Plaza Ciencias 1 Madrid 28040 Spain Univ Complutense Madrid Fac Ciencias Fis IPARCOS Plaza Ciencias 1 Madrid 28040 Spain
Several groups have recently investigated the flow of information in high-energy collisions, from the entanglement entropy of the proton yielding classical Shannon entropy of its parton distribution functions (pdfs), ... 详细信息
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Tests of the parametrizations of fragmentation functions using data on inclusive pion and kaon production in unpolarized pp collisions from the STAR collaboration and at the NICA project
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INTERNATIONAL JOURNAL OF MODERN PHYSICS A 2023年 第21期38卷
作者: Kotlorz, D. Christova, E. Leader, E. Bogoliubov Lab Theoret Phys Joint Inst Nucl Res Dubna 141980 Russia Bulgarian Acad Sci Inst Nucl Res & Nucl Energy Tzarigradsko chaussee 72 Sofia 1784 Bulgaria Imperial Coll London London SW7 2AZ England
The goal of this study is to check which, if any, of the published versions of the pion and kaon fragmentation functions (FFs) is compatible with the STAR data on semi-inclusive pion and kaon production in proton-prot... 详细信息
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Jet fragmentation functions for Z-tagged jets
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PHYSICS LETTERS B 2019年 798卷 134978-000页
作者: Kang, Zhong-Bo Lee, Kyle Terry, John Xing, Hongxi Univ Calif Los Angeles Dept Phys & Astron Los Angeles CA 90095 USA Univ Calif Los Angeles Mani Bhaum Inst Theoret Phys Los Angeles CA 90095 USA SUNY Stony Brook CN Yang Inst Theoret Phys Stony Brook NY 11794 USA SUNY Stony Brook Dept Phys & Astron Stony Brook NY 11794 USA South China Normal Univ Inst Quantum Matter Guangzhou 510006 Guangdong Peoples R China South China Normal Univ Sch Phys & Telecommun Engn Guangzhou 510006 Guangdong Peoples R China
Recently the LHCb collaboration has measured both longitudinal and transverse momentum distribution of hadrons produced inside Z-tagged jets in proton-proton collisions at the Large Hadron Collider. These distribution... 详细信息
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Extracting αs from scaling violations in light-hadron fragmentation functions
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MODERN PHYSICS LETTERS A 2016年 第8期31卷
作者: Kniehl, Bernd A. Univ Hamburg Inst Theoret Phys 2 Luruper Chaussee 149 D-22761 Hamburg Germany
We review the status of extracting the strong-coupling constant alpha(s) from the scaling violations in fragmentation functions (FFs) by fitting the latter to experimental data of the inclusive production of single li... 详细信息
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