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Extracting the charm cross-section from its semileptonic decay at RHIC
Liu, HD; Zhang, YF; Zhong, C(钟晨); Xu, ZB; Xu, ZB (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA
2006
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
Volume639Issue:5Pages:441
AbstractWe propose a sensitive measurement of the charm total cross-section at RHIC through muon identification from charm semileptonic decay at low transverse momentum (PT). This can test the binary-collision scaling (N-bin) properties of the charm total cross-section and be used to study whether heavy-flavor quarks, which are used as a probe, are produced exclusively at the initial impact in hadron-hadron collisions. The effect of the charm semileptonic decay form factor on extracting the total charm cross section and on the shape of the lepton spectra are also discussed in detail. We conclude that lepton spectra from charmed hadron decays at transverse momentum PT similar or equal to 1.0 GeV/c are sensitive to the charmed hadron spectrum shape. Therefore, the interactions of heavy quarks with the medium created in relativistic heavy-ion collisions, especially the flow effects, can be extracted from the lepton spectra from charmed hadron decays at low PT (c) 2006 Elsevier B.V. All rights reserved.
Subject AreaMaterials Science
Indexed Bysci
Language英语
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8055
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorXu, ZB (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA
Recommended Citation
GB/T 7714
Liu, HD,Zhang, YF,Zhong, C,et al. Extracting the charm cross-section from its semileptonic decay at RHIC[J]. PHYSICS LETTERS B,2006,639(5):441.
APA Liu, HD,Zhang, YF,Zhong, C,Xu, ZB,&Xu, ZB .(2006).Extracting the charm cross-section from its semileptonic decay at RHIC.PHYSICS LETTERS B,639(5),441.
MLA Liu, HD,et al."Extracting the charm cross-section from its semileptonic decay at RHIC".PHYSICS LETTERS B 639.5(2006):441.
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