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Properties of light (anti)nuclei and (an...
She, Zhi-Lei...

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Properties of light (anti)nuclei and (anti) hypertriton production in Pb-Pb collisions at sNN−−−√ = 2.76 TeV by She, Zhi-Lei ( Author )
Lemonjar Open Access
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22-09-2015
We investigate the properties of light (anti)nuclei and (anti)hypertriton production in Pb-Pb collisions at sNN−−−√=2.76 TeV, based on the parton and hadron cascade and dynamically constrained phase-space coalescence (PACIAE + DCPC) model. We found that the yields of light (anti)nuclei and (anti)hypertriton strongly depend on the centrality, i.e., their yields decrease rapidly with the increase of centrality bins, but their yield ratios are independent of centrality. The results of theoretical model are well consistent with ALICE data. Furthermore, we found that the integrated yields of (anti)nuclei per participant nucleon increase from peripheral to central collisions more rapidly with increasing mass number. The transverse momentum distributions of 3Λ¯¯¯¯H¯¯¯¯¯¯¯,3ΛH,3He¯¯¯¯¯¯¯¯¯ and 3He are also discussed in the 0-10% most central Pb-Pb collisions.The coalescence parameters BA of light (anti)nuclei and (anti)hypernuclei are analyzed.
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Article
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36.88 KB
English
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MYR 0.00
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https://arxiv.org/abs/1509.06493
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