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检索条件"主题词=fragmentation functions"
79 条 记 录,以下是71-80 订阅
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Hadronization in deep inelastic scattering at HERMES
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JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 2004年 第1期30卷 S103-S110页
作者: Muccifora, V Ist Nazl Fis Nucl Lab Nazl Frascati I-00044 Frascati Italy
Recent results from HERMES in the hadron leptoproduction of nuclei are presented. The possible interpretations in terms of medium modifications of the parton fragmentation function and the implications on the parton e... 详细信息
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Dihadron correlation in jets produced in heavy-ion collisions
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Physical Review C 2004年 第5期70卷 054902-054902页
作者: Rudolph C. Hwa C. B. Yang Institute of Theoretical Science and Department of Physics University of Oregon Eugene Oregon 97403-5203 USA Institute of Particle Physics Hua-Zhong Normal University Wuhan 430079 China
The difference between the structures of jets produced in heavy-ion and hadronic collisions can best be exhibited in the correlations between particles within those jets. We study the dihadron correlations in jets in ... 详细信息
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The charged-hadron/pion ratio at the Relativistic Heavy Ion Collider
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JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 2004年 第12期30卷 L49-L55页
作者: Zhang, XF Fai, G Kent State Univ Nucl Res Ctr Dept Phys Kent OH 44242 USA
The hadron/pion ratio is calculated in 200 GeV AuAu collisions at midrapidity, applying pQCD and non-universal transverse-momentum broadening. Arguments are presented for such non-universality. and the idea is impleme... 详细信息
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A C++ code to solve the DGLAP equations applied to ultra high energy cosmic rays
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COMPUTER PHYSICS COMMUNICATIONS 2002年 第3期143卷 287-304页
作者: Toldrà, R Univ Oxford Oxford OX1 3NP England
We solve numerically the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) equations for the evolution of fragmentation functions using the Laguerre method. We extend this method to include supersymmetric evolution. ... 详细信息
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Power corrections to fragmentation functions in flavour-singlet deep-inelastic scattering
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NUCLEAR PHYSICS B 1999年 第1-2期549卷 263-279页
作者: Smye, E Univ Cambridge Cavendish Lab Cambridge CB3 0HE England
We investigate the power-suppressed corrections to fragmentation functions in flavour-singlet deep-inelastic lepton scattering, to complement the previous results for the non-singlet contribution. Our method is a disp... 详细信息
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Quantum chromodynamics: Working group report
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PRAMANA-JOURNAL OF PHYSICS 2000年 第1-2期55卷 327-333页
作者: Gupta, S Indumathi, D Banerjee, S Basu, R Dittmar, M Gavai, RV Gelis, F Ghosh, D Gupta, S Indumathi, D Mukherjee, A Tata Inst Fundamental Res Bombay 400005 Maharashtra India Inst Math Sci Madras 600113 Tamil Nadu India Swiss Fed Inst Technol CH-8093 Zurich Switzerland Brookhaven Natl Lab Upton NY 11973 USA Saha Inst Nucl Phys Kolkata 700064 W Bengal India
This is the report of the QCD working group at WHEPP-6. Discussions and work on heavy ion collisions, polarized scattering, and collider phenomenology are reported.
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Higher order QCD corrections to the transverse and longitudinal fragmentation functions in electron-positron annihilation
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NUCLEAR PHYSICS B 1997年 第1-2期487卷 233-282页
作者: Rijken, PJ vanNeerven, WL Instituut Lorentz University of Leiden P.O. Box 9506 2300 RA Leiden The Netherlands
We present the calculation of the order alpha(s)(2) corrections to the coefficient functions contributing to the longitudinal (F-L(x,Q(2))) and traverse fragmentation functions (F-T(x,Q(2))) measured in electron-posit... 详细信息
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O(αs2) contributions to the fragmentation function g1(x,Q2) in polarized e+e- annihilation
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NUCLEAR PHYSICS B 1998年 第1-2期523卷 245-264页
作者: Rijken, PJ van Neerven, WL Leiden Univ Inst Lorentz NL-2300 RA Leiden Netherlands
We present the calculation of the order alpha(s)(2) contributions to the coefficient functions (singlet and non-singlet) belonging to the longitudinal spin fragmentation function g(1)(x, Q(2)) measured in polarized el... 详细信息
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Asymmetries in polarized hadron production in e(+)e(-) annihilation up to order 1/Q
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NUCLEAR PHYSICS B 1997年 第1-2期504卷 345-380页
作者: Boer, D Jakob, R Mulders, PJ FREE UNIV AMSTERDAM DEPT PHYS & ASTRONNL-1081 HV AMSTERDAMNETHERLANDS
We present the results of the tree-level calculation of inclusive two-hadron production in electron-positron annihilation via one photon up to subleading order in 1/Q. We consider the situation where the two hadrons b... 详细信息
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