The influence of net-quarks on the yields and rapidity spectra of identified hadrons

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dc.creatorSong, Jun
dc.creatorShao, Feng-lan
dc.creatorXie, Qu-bing
dc.creatorWang, Yun-fei
dc.creatorWei, De-ming
dc.date2008-01-07
dc.date2008-02-21
dc.date.accessioned2026-07-07T13:09:39Z
dc.date.available2026-07-07T13:09:39Z
dc.descriptionWithin a quark combination model, we study systematically the yields and rapidity spectra of various hadrons in central Au+Au collisions at $\sqrt{s_{NN}}= 200$ GeV. We find that considering the difference in rapidity between net-quarks and newborn quarks, the data of multiplicities, rapidity distributions for $π^{\pm}$, $K^{\pm}$, $p(\bar{p})$ and, in particular the ratios of charged antihadron to hadron as a function of rapidity, can be well described. The effect of net-quarks on various hadrons is analysed, and the rapidity distributions for $K^{0}_{s}$, $Λ(\barΛ)$, $Σ^{+}(\barΣ^{_-})$, $\mathrm{Ξ^{-}}$ ($\mathrm{\barΞ^{_+}}$) and $\mathrm{Ω^{-}}(\mathrm{\barΩ}^{_+})$ are predicted. We discuss the rapidity distribution of net-baryon, and find that it reflects exactly the energy loss of colliding nuclei.
dc.description8 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/0801.0918
dc.identifierhttp://arxiv.org/abs/0801.0918
dc.identifierInt.J.Mod.Phys.A24:1161-1174,2009
dc.identifierdoi:10.1142/S0217751X0904302X
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228803
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe influence of net-quarks on the yields and rapidity spectra of identified hadrons
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