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检索条件"主题词=fragmentation functions"
79 条 记 录,以下是51-60 订阅
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Some results obtained at the relativistic heavy ion collider
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PHYSICS OF PARTICLES AND NUCLEI 2007年 第2期38卷 204-231页
作者: Litvinenko, A. G. Joint Inst Nucl Res Dubna 141980 Moscow Oblast Russia
Some results obtained in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory are discussed. Along with observables studied at energies lower than those at RHIC (particl... 详细信息
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Pion and kaon production in nucleon-nucleon collisions
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INTERNATIONAL JOURNAL OF MODERN PHYSICS A 2007年 第2-3期22卷 582-586页
作者: Tichoruk, Marta Szczurek, Antoni Jagiellonian Univ Inst Phys PL-31342 Krakow Poland Inst Nucl Phys PL-31342 Krakow Poland Univ Rzeszow PL-35959 Rzeszow Poland
Inclusive cross section for pion production in proton - proton collisions are calculated based on unintegrated parton distribution functions (uPDFs). In addition to purely gluonic terms the present approach includes a... 详细信息
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Jet modification in three dimensional fluid dynamics at next-to-leading twist
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Physical Review C 2007年 第4期76卷 041902(R)-041902(R)页
作者: A. Majumder C. Nonaka S. A. Bass Department of Physics Duke University Durham North Carolina 27708 USA Department of Physics Nagoya University Nagoya 464-8602 Japan
The modification of the single inclusive spectrum of high transverse momentum (pT) pions emanating from an ultrarelativistic heavy-ion collision is investigated. The deconfined sector is modeled using a full three-dim... 详细信息
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Densities, parton distributions, and measuring the nonspherical shape of the nucleon
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Physical Review C 2007年 第6期76卷 065209-065209页
作者: Gerald A. Miller University of Washington Seattle Washington 98195-1560 USA
Spin-dependent quark densities, matrix elements of specific density operators in proton states of definite spin-polarization, indicate that the nucleon may harbor an infinite variety of nonspherical shapes. We show th... 详细信息
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Jet conversions in a quark-gluon plasma
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Physical Review C 2007年 第5期75卷 051901(R)-051901(R)页
作者: W. Liu C. M. Ko B. W. Zhang Texas A&amp M Univ Inst Cyclotron College Stn TX 77843 USA Texas A&amp M Univ Dept Phys College Stn TX 77843 USA
Quark and gluon jets traversing through a quark-gluon plasma not only lose their energies but also can undergo flavor conversions. The conversion rates via the elastic q(q¯)g→gq(q¯) and the inelastic qq... 详细信息
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Final state interactions and hadron quenching in cold nuclear matter
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Physical Review C 2007年 第3期76卷 034902-034902页
作者: A. Accardi Department of Physics and Astronomy Iowa State University Ames Iowa 50011 USA
I examine the role of final state interactions in cold nuclear matter in modifying hadron production on nuclear targets with leptonic or hadronic beams. I demonstrate the extent to which available experimental data in... 详细信息
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Resolving the plasma profile via differential single inclusive suppression
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Physical Review C 2007年 第2期75卷 021901(R)-021901(R)页
作者: A. Majumder Department of Physics Duke University Durham North Carolina 27708 USA
The ability of experimental signatures to resolve the spatiotemporal profile of an expanding quark-gluon plasma is studied. In particular, the single inclusive suppression of high-momentum hadrons versus the centralit... 详细信息
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Phenomenology of elastic energy loss
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Physical Review C 2007年 第6期76卷 064905-064905页
作者: Thorsten Renk Univ Jyvaskyla Dept Phys FI-40014 Jyvaskyla Finland
The unexpectedly strong suppression of high pT heavy quarks in heavy-ion collisions has given rise to the idea that partons propagating through a medium in addition to energy loss by induced radiation also undergo sub... 详细信息
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Proton-antiproton suppression in 200A GeV Au-Au collisions
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Physical Review C 2007年 第2期76卷 027901-027901页
作者: Thorsten Renk Kari J. Eskola Univ Jyvaskyla Dept Phys FIN-40014 Jyvaskyla Finland Univ Helsinki Helsinki Inst Phys FIN-00014 Helsinki Finland
We discuss the measured nuclear suppression of p+p¯ production in 200A GeV Au-Au collisions at the Relativistic Heavy Ion Collider (RHIC) within radiative energy loss. For the Albino-Kniehl-Kramer (AKK) set of fr... 详细信息
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Evolution of Shower Parton Distributions in a Jet from Quark Recombination Model
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Chinese Physics Letters 2006年 第2期23卷 332-335页
作者: 谭志光 杨纯斌 Institute of Particle Physics Huazhong Normal University Wuhan 430079
The evolution of shower parton distributions in a jet is investigated in the framework of a quark recombination model. The distributions are parameterized and the Q^2 dependence of the parameters is given by polynomia... 详细信息
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