Light (anti)nuclei production in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV

The ALICE collaboration
Phys.Rev.C 107 (2023) 064904, 2023.

Abstract (data abstract)
The measurement of the production of deuterons, tritons and \ensuremath{^{3}\mathrm{He}}\xspace and their antiparticles in \mbox{Pb--Pb}\xspace collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV is presented in this article. The measurements are carried out at midrapidity ($|y| < $ 0.5) as a function of collision centrality using the ALICE detector. The \ensuremath{p_{\rm T}}\xspace-integrated yields, the coalescence parameters and the ratios to protons are reported and compared with nucleosynthesis models. The comparison of these results in different collision systems at different centre-of-mass collision energies reveals a suppression of nucleus production in small systems. In the Statistical Hadronisation Model framework, this can be explained by a small correlation volume where the baryon number is conserved, as already shown in previous fluctuation analyses. However, a different size of the correlation volume is required to describe the proton yields in the same data sets. The coalescence model can describe this suppression by the fact that the wave functions of the nuclei are large and the fireball size starts to become comparable and even much smaller than the actual nucleus at low multiplicities.

  • Deuteron spectrum in 0-5% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t1

    Deuteron spectrum in 0-5% V0M centrality class

  • Antideuteron spectrum in 0-5% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t2

    Antideuteron spectrum in 0-5% V0M centrality class

  • Deuteron spectrum in 5-10% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t3

    Deuteron spectrum in 5-10% V0M centrality class

  • Antideuteron spectrum in 5-10% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t4

    Antideuteron spectrum in 5-10% V0M centrality class

  • Deuteron spectrum in 10-20% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t5

    Deuteron spectrum in 10-20% V0M centrality class

  • Antideuteron spectrum in 10-20% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t6

    Antideuteron spectrum in 10-20% V0M centrality class

  • Deuteron spectrum in 20-30% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t7

    Deuteron spectrum in 20-30% V0M centrality class

  • Antideuteron spectrum in 20-30% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t8

    Antideuteron spectrum in 20-30% V0M centrality class

  • Deuteron spectrum in 30-40% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t9

    Deuteron spectrum in 30-40% V0M centrality class

  • Antideuteron spectrum in 30-40% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t10

    Antideuteron spectrum in 30-40% V0M centrality class

  • Deuteron spectrum in 40-50% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t11

    Deuteron spectrum in 40-50% V0M centrality class

  • Antideuteron spectrum in 40-50% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t12

    Antideuteron spectrum in 40-50% V0M centrality class

  • Deuteron spectrum in 50-60% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t13

    Deuteron spectrum in 50-60% V0M centrality class

  • Antideuteron spectrum in 50-60% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t14

    Antideuteron spectrum in 50-60% V0M centrality class

  • Deuteron spectrum in 60-70% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t15

    Deuteron spectrum in 60-70% V0M centrality class

  • Antideuteron spectrum in 60-70% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t16

    Antideuteron spectrum in 60-70% V0M centrality class

  • Deuteron spectrum in 70-80% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t17

    Deuteron spectrum in 70-80% V0M centrality class

  • Antideuteron spectrum in 70-80% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t18

    Antideuteron spectrum in 70-80% V0M centrality class

  • Deuteron spectrum in 80-90% V0M centrality class

    Data from Figure 4 (upper-left).

    10.17182/hepdata.141376.v1/t19

    Deuteron spectrum in 80-90% V0M centrality class

  • Antideuteron spectrum in 80-90% V0M centrality class

    Data from Figure 4 (bottom-left).

    10.17182/hepdata.141376.v1/t20

    Antideuteron spectrum in 80-90% V0M centrality class

  • He3 spectrum in 0-5% V0M centrality class

    Data from Figure 4 (upper-centre).

    10.17182/hepdata.141376.v1/t21

    $^3$He spectrum in 0-5% V0M centrality class

  • Anti3He spectrum in 0-5% V0M centrality class

    Data from Figure 4 (bottom-centre).

    10.17182/hepdata.141376.v1/t22

    Anti$^3$He spectrum in 0-5% V0M centrality class

  • He3 spectrum in 5-10% V0M centrality class

    Data from Figure 4 (upper-centre).

    10.17182/hepdata.141376.v1/t23

    $^3$He spectrum in 5-10% V0M centrality class

  • Anti3He spectrum in 5-10% V0M centrality class

    Data from Figure 4 (bottom-centre).

    10.17182/hepdata.141376.v1/t24

    Anti$^3$He spectrum in 5-10% V0M centrality class

  • He3 spectrum in 10-30% V0M centrality class

    Data from Figure 4 (upper-centre).

    10.17182/hepdata.141376.v1/t25

    $^3$He spectrum in 10-30% V0M centrality class

  • Anti3He spectrum in 10-30% V0M centrality class

    Data from Figure 4 (bottom-centre).

    10.17182/hepdata.141376.v1/t26

    Anti$^3$He spectrum in 10-30% V0M centrality class

  • He3 spectrum in 30-50% V0M centrality class

    Data from Figure 4 (upper-centre).

    10.17182/hepdata.141376.v1/t27

    $^3$He spectrum in 30-50% V0M centrality class

  • Anti3He spectrum in 30-50% V0M centrality class

    Data from Figure 4 (bottom-centre).

    10.17182/hepdata.141376.v1/t28

    Anti$^3$He spectrum in 30-50% V0M centrality class

  • He3 spectrum in 50-90% V0M centrality class

    Data from Figure 4 (upper-centre).

    10.17182/hepdata.141376.v1/t29

    $^3$He spectrum in 50-90% V0M centrality class

  • Anti3He spectrum in 50-90% V0M centrality class

    Data from Figure 4 (bottom-centre).

    10.17182/hepdata.141376.v1/t30

    Anti$^3$He spectrum in 50-90% V0M centrality class

  • Triton spectrum in 0-10% V0M centrality class

    Data from Figure 4 (upper-right).

    10.17182/hepdata.141376.v1/t31

    Triton spectrum in 0-10% V0M centrality class

  • Antitriton spectrum in 0-10% V0M centrality class

    Data from Figure 4 (bottom-right).

    10.17182/hepdata.141376.v1/t32

    Antitriton spectrum in 0-10% V0M centrality class

  • Triton spectrum in 10-30% V0M centrality class

    Data from Figure 4 (upper-right).

    10.17182/hepdata.141376.v1/t33

    Triton spectrum in 10-30% V0M centrality class

  • Antitriton spectrum in 10-30% V0M centrality class

    Data from Figure 4 (bottom-right).

    10.17182/hepdata.141376.v1/t34

    Antitriton spectrum in 10-30% V0M centrality class

  • Triton spectrum in 30-50% V0M centrality class

    Data from Figure 4 (upper-right).

    10.17182/hepdata.141376.v1/t35

    Triton spectrum in 30-50% V0M centrality class

  • Antitriton spectrum in 30-50% V0M centrality class

    Data from Figure 4 (bottom-right).

    10.17182/hepdata.141376.v1/t36

    Antitriton spectrum in 30-50% V0M centrality class

  • Triton spectrum in 50-90% V0M centrality class

    Data from Figure 4 (upper-right).

    10.17182/hepdata.141376.v1/t37

    Triton spectrum in 50-90% V0M centrality class

  • Antitriton spectrum in 50-90% V0M centrality class

    Data from Figure 4 (bottom-right).

    10.17182/hepdata.141376.v1/t38

    Antitriton spectrum in 50-90% V0M centrality class

  • Coalescence $B_2$ in 0-5% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t39

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 0-5% V0M centrality class

  • Coalescence $B_2$ in 5-10% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t40

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 5-10% V0M centrality class

  • Coalescence $B_2$ in 10-20% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t41

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 10-20% V0M centrality class

  • Coalescence $B_2$ in 20-30% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t42

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 20-30% V0M centrality class

  • Coalescence $B_2$ in 30-40% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t43

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 30-40% V0M centrality class

  • Coalescence $B_2$ in 40-50% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t44

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 40-50% V0M centrality class

  • Coalescence $B_2$ in 50-60% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t45

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 50-60% V0M centrality class

  • Coalescence $B_2$ in 60-70% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t46

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 60-70% V0M centrality class

  • Coalescence $B_2$ in 70-80% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t47

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 70-80% V0M centrality class

  • Coalescence $B_2$ in 80-90% V0M centrality class

    Data from Figure 5 (left).

    10.17182/hepdata.141376.v1/t48

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in 80-90% V0M centrality class

  • Coalescence $B_3$ from anti$^3He in 0-5% V0M centrality class

    Data from Figure 5 (centre).

    10.17182/hepdata.141376.v1/t49

    Coalescence parameter $B_3$ from anti$^3$He as a function of $p_{\mathrm{T}}$ in 0-5% V0M centrality class

  • Coalescence $B_3$ from anti$^3He in 5-10% V0M centrality class

    Data from Figure 5 (centre).

    10.17182/hepdata.141376.v1/t50

    Coalescence parameter $B_3$ from anti$^3$He as a function of $p_{\mathrm{T}}$ in 5-10% V0M centrality class

  • Coalescence $B_3$ from anti$^3He in 10-30% V0M centrality class

    Data from Figure 5 (centre).

    10.17182/hepdata.141376.v1/t51

    Coalescence parameter $B_3$ from anti$^3$He as a function of $p_{\mathrm{T}}$ in 10-30% V0M centrality class

  • Coalescence $B_3$ from anti$^3He in 30-50% V0M centrality class

    Data from Figure 5 (centre).

    10.17182/hepdata.141376.v1/t52

    Coalescence parameter $B_3$ from anti$^3$He as a function of $p_{\mathrm{T}}$ in 30-50% V0M centrality class

  • Coalescence $B_3$ from anti$^3He in 50-90% V0M centrality class

    Data from Figure 5 (centre).

    10.17182/hepdata.141376.v1/t53

    Coalescence parameter $B_3$ from anti$^3$He as a function of $p_{\mathrm{T}}$ in 50-90% V0M centrality class

  • Coalescence $B_3$ from antitriton in 0-10% V0M centrality class

    Data from Figure 5 (right).

    10.17182/hepdata.141376.v1/t54

    Coalescence parameter $B_3$ from antitriton as a function of $p_{\mathrm{T}}$ in 0-10% V0M centrality class

  • Coalescence $B_3$ from antitriton in 10-30% V0M centrality class

    Data from Figure 5 (right).

    10.17182/hepdata.141376.v1/t55

    Coalescence parameter $B_3$ from antitriton as a function of $p_{\mathrm{T}}$ in 10-30% V0M centrality class

  • Coalescence $B_3$ from antitriton in 30-50% V0M centrality class

    Data from Figure 5 (right).

    10.17182/hepdata.141376.v1/t56

    Coalescence parameter $B_3$ from antitriton as a function of $p_{\mathrm{T}}$ in 30-50% V0M centrality class

  • Coalescence $B_3$ from antitriton in 50-90% V0M centrality class

    Data from Figure 5 (right).

    10.17182/hepdata.141376.v1/t57

    Coalescence parameter $B_3$ from antitriton as a function of $p_{\mathrm{T}}$ in 50-90% V0M centrality class

  • deuteron_over_proton

    Data from Figure 7 (left).

    10.17182/hepdata.141376.v1/t58

    Deuteron over proton ratio in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • he3_over_proton

    Data from Figure 7 (centre).

    10.17182/hepdata.141376.v1/t59

    $^3$He over proton ratio in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • triton_over_proton

    Data from Figure 7 (right).

    10.17182/hepdata.141376.v1/t60

    Triton over proton ratio in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • triton over he3 as a function of pT in 0-10%% centrality

    Data from Figure 6 (left).

    10.17182/hepdata.141376.v1/t61

    Triton over $^3$He ratio in Pb-Pb collisions as a function $p_{\mathrm{T}}$ in 0-10% V0M centrality class

  • triton over he3 as a function of pT in 10-30%% centrality

    Data from Figure 6 (left).

    10.17182/hepdata.141376.v1/t62

    Triton over $^3$He ratio in Pb-Pb collisions as a function $p_{\mathrm{T}}$ in 10-30% V0M centrality class

  • triton over he3 as a function of pT in 30-50%% centrality

    Data from Figure 6 (left).

    10.17182/hepdata.141376.v1/t63

    Triton over $^3$He ratio in Pb-Pb collisions as a function $p_{\mathrm{T}}$ in 30-50% V0M centrality class

  • triton over he3 as a function of pT in 50-90%% centrality

    Data from Figure 6 (left).

    10.17182/hepdata.141376.v1/t64

    Triton over $^3$He ratio in Pb-Pb collisions as a function $p_{\mathrm{T}}$ in 50-90% V0M centrality class

  • triton_over_he3

    Data from Figure 6 (right).

    10.17182/hepdata.141376.v1/t65

    Triton over He3 ratio in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • yield_deuteron

    Not in the paper.

    10.17182/hepdata.141376.v1/t66

    pT-integrated yields of deuteron in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • yield_antideuteron

    Not in the paper.

    10.17182/hepdata.141376.v1/t67

    pT-integrated yields of antideuteron in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • meanpT_deuteron

    None

    10.17182/hepdata.141376.v1/t68

    meanpT of deuteron in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • meanpT_antideuteron

    None

    10.17182/hepdata.141376.v1/t69

    meanpT of antideuteron in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • yield_He3

    Not in the paper.

    10.17182/hepdata.141376.v1/t70

    pT-integrated yields of ${}^{3}$He in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • yield_antiHe3

    Not in the paper.

    10.17182/hepdata.141376.v1/t71

    pT-integrated yields of anti${}^{3}$He in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • meanpT_He3

    None

    10.17182/hepdata.141376.v1/t72

    meanpTs of ${}^{3}$He in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • meanpT_antiHe3

    None

    10.17182/hepdata.141376.v1/t73

    meanpT of anti${}^{3}$He in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • yield_antitriton

    Not in the paper.

    10.17182/hepdata.141376.v1/t74

    pT-integrated yields of Antitriton in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

  • meanpT_antitriton

    None

    10.17182/hepdata.141376.v1/t75

    meanpT of Antitriton in Pb-Pb collisions as a function of the charged particle multiplicity density at mid-rapidity

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