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Beam Energy Dependence of Triton Production and Yield Ratio (\(\mathrm{N}_t \times \mathrm{N}_p/\mathrm{N}_d^2\)) in Au+Au Collisions at RHIC

Aboona, B E ; Adam, J ; Aparin, A ; Barish, K ; Cai, X Z ; Cebra, D ; Chakaberia, I ; Chan, B K ; Dale-Gau, G ; Dedovich, T G ; L Di Carlo ; Drachenberg, J L ; Eppley, G ; Fazio, S ; Feng, Y ; Finch, E ; Hamed, A ; Han, Y ; W He ; He, X H ; C Hu ; Y Hu ; Huang, Y ; Humanic, T J ; Jia, J ; Judd, E G ; Kiselev, A ; Kumar, L ; Elayavalli, R Kunnawalkam ; Lacey, R ; Lee, J H ; W Li ; Z Li ; Liang, Y ; Liu, F ; Liu, Y ; Liu, Z ; Ljubicic, T ; Llope, W J ; Lomicky, O ; Loyd, E M ; T Lu ; L Ma ; Magdy, N ; Mazer, J A ; Mondal, M M ; Mudrokh, A ; Nagy, M I ; Nain, A S ; Neff, D ; Nelson, J M ; Okorokov, V A ; Page, B S ; Pak, R ; Pan, J ; Pandav, A ; Qiu, H ; Radhakrishnan, S K ; Ray, R L ; Robertson, C W ; Rosales Aguilar, M A ; Sahoo, N R ; Salur, S ; Samigullin, E ; Sato, S ; Seger, J ; Seto, R ; Shen, K ; Shou, Q Y ; Singha, S ; Skoby, M J ; Srivastava, B ; Y Su ; Sun, C ; Sweger, Z W ; Todoroki, T ; Tokarev, M V ; Tomkiel, C A ; Trentalange, S ; Underwood, D G ; Videbæk, F ; Wang, F ; Wang, Z ; Webb, J C ; Weidenkaff, P C ; X Wu ; Xu, Q H ; Yan, Z ; Yang, Q ; Yip, K ; Y Yu ; Zha, W ; Zhang, C ; Zhang, Y ; Zhang, Z J ; Zhao, M ; Zhou, J ; Zhou, Y ; Zhu, X ; Zyzak, M

arXiv.org, 2023-05

Ithaca: Cornell University Library, arXiv.org

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Título:
Beam Energy Dependence of Triton Production and Yield Ratio (\(\mathrm{N}_t \times \mathrm{N}_p/\mathrm{N}_d^2\)) in Au+Au Collisions at RHIC
Autor: Aboona, B E ; Adam, J ; Aparin, A ; Barish, K ; Cai, X Z ; Cebra, D ; Chakaberia, I ; Chan, B K ; Dale-Gau, G ; Dedovich, T G ; L Di Carlo ; Drachenberg, J L ; Eppley, G ; Fazio, S ; Feng, Y ; Finch, E ; Hamed, A ; Han, Y ; W He ; He, X H ; C Hu ; Y Hu ; Huang, Y ; Humanic, T J ; Jia, J ; Judd, E G ; Kiselev, A ; Kumar, L ; Elayavalli, R Kunnawalkam ; Lacey, R ; Lee, J H ; W Li ; Z Li ; Liang, Y ; Liu, F ; Liu, Y ; Liu, Z ; Ljubicic, T ; Llope, W J ; Lomicky, O ; Loyd, E M ; T Lu ; L Ma ; Magdy, N ; Mazer, J A ; Mondal, M M ; Mudrokh, A ; Nagy, M I ; Nain, A S ; Neff, D ; Nelson, J M ; Okorokov, V A ; Page, B S ; Pak, R ; Pan, J ; Pandav, A ; Qiu, H ; Radhakrishnan, S K ; Ray, R L ; Robertson, C W ; Rosales Aguilar, M A ; Sahoo, N R ; Salur, S ; Samigullin, E ; Sato, S ; Seger, J ; Seto, R ; Shen, K ; Shou, Q Y ; Singha, S ; Skoby, M J ; Srivastava, B ; Y Su ; Sun, C ; Sweger, Z W ; Todoroki, T ; Tokarev, M V ; Tomkiel, C A ; Trentalange, S ; Underwood, D G ; Videbæk, F ; Wang, F ; Wang, Z ; Webb, J C ; Weidenkaff, P C ; X Wu ; Xu, Q H ; Yan, Z ; Yang, Q ; Yip, K ; Y Yu ; Zha, W ; Zhang, C ; Zhang, Y ; Zhang, Z J ; Zhao, M ; Zhou, J ; Zhou, Y ; Zhu, X ; Zyzak, M
Assuntos: Heavy ions ; Ionic collisions ; Mathematical models ; Physics - High Energy Physics - Experiment ; Physics - High Energy Physics - Phenomenology ; Physics - High Energy Physics - Theory ; Physics - Nuclear Experiment ; Physics - Nuclear Theory ; Relativistic Heavy Ion Collider ; Solid phases ; Thermal analysis
É parte de: arXiv.org, 2023-05
Descrição: We report the triton (\(t\)) production in mid-rapidity (\(|y| <\) 0.5) Au+Au collisions at \(\sqrt{s_\mathrm{NN}}\)= 7.7--200 GeV measured by the STAR experiment from the first phase of the beam energy scan at the Relativistic Heavy Ion Collider (RHIC). The nuclear compound yield ratio (\(\mathrm{N}_t \times \mathrm{N}_p/\mathrm{N}_d^2\)), which is predicted to be sensitive to the fluctuation of local neutron density, is observed to decrease monotonically with increasing charged-particle multiplicity (\(dN_{ch}/d\eta\)) and follows a scaling behavior. The \(dN_{ch}/d\eta\) dependence of the yield ratio is compared to calculations from coalescence and thermal models. Enhancements in the yield ratios relative to the coalescence baseline are observed in the 0\%-10\% most central collisions at 19.6 and 27 GeV, with a significance of 2.3\(\sigma\) and 3.4\(\sigma\), respectively, giving a combined significance of 4.1\(\sigma\). The enhancements are not observed in peripheral collisions or model calculations without critical fluctuation, and decreases with a smaller \(p_{T}\) acceptance. The physics implications of these results on the QCD phase structure and the production mechanism of light nuclei in heavy-ion collisions are discussed.
Editor: Ithaca: Cornell University Library, arXiv.org
Idioma: Inglês

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Beam Energy Dependence of Triton Production and Yield Ratio (\(\mathrm{N}_t \times \mathrm{N}_p/\mathrm{N}_d^2\)) in Au+Au Collisions at RHIC

Ithaca: Cornell University Library, arXiv.org

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