Deuteron production mechanism via azimuthal correlation for p - p and p-Pb collisions at LHC energy with the AMPT model

被引：0

作者：

Zhang, Yu-Xuan ^{[1
]}

Zhang, Song ^{[1
,2
,3
]}

Ma, Yu-Gang ^{[1
,2
,3
]}

机构：

[1] Fudan Univ, Inst Modern Phys, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China

[2] Shanghai Res Ctr Theoret Nucl Phys, NSFC, Shanghai 200438, Peoples R China

[3] Fudan Univ, Shanghai 200438, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL A | 2023年 / 59卷 / 04期

基金：

中国国家自然科学基金;

关键词：

NUCLEUS-NUCLEUS COLLISIONS; MULTIPLICITY DEPENDENCE; ANGULAR-CORRELATIONS; LIGHT-NUCLEI; (ANTI-)DEUTERON PRODUCTION; PARTICLE-PRODUCTION; FLOW; ANISOTROPY; PROTON; TEV;

D O I：

10.1140/epja/s10050-023-00980-2

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The study on light nuclei provides information not only for the production mechanism but also for the interactions between nucleons and other particles in the medium. Recently the ALICE Collaboration presented the deuteron transverse momentum spectra in p -p collisions at vs = 13 TeV as well as in p-Pb collisions at vs(NN) = 5.02 TeV. Using a multiphase transport model with a string melting mechanism and a coalescence afterburner, we successfully reproduce the transverse momentum spectra of deuterons and obtain the conditional yields of deuterons and protons. According to the coalescence model, we predict that there is a nucleon number scaling between the conditional yield ratios of deuterons to protons and the inclusive yield ratios, which is similar to the constituent nucleon number scaling for elliptic flow. It is also foreseen that the near-side suppression in the correlation function may occur as that in two-baryon azimuthal correlations.

引用

页数：10

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