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(Anti-)deuteron production in pp collisions at $\sqrt{s}=13 \ \text {TeV}$

The ALICE collaboration
Eur.Phys.J.C 80 (2020) 889, 2020.

Abstract (data abstract)
The study of (anti-)deuteron production in pp collisions has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high energy hadronic collisions. In this paper the production of $\text{(anti-)deuterons}$ is studied as a function of the charged particle multiplicity in inelastic pp collisions at $\sqrt{s}=13$ TeV using the ALICE experiment. Thanks to the large accumulated integrated luminosity, it has been possible to measure (anti-)deuteron production in pp collisions up to the same charged particle multiplicity ($\mathrm{d}N_{\mathrm{ch}}/\mathrm{d}\eta\sim26$) as measured in the high multiplicity p-Pb collisions at similar centre-of-mass energies. Within the uncertainties, the deuteron yield in pp collisions resembles the one in p-Pb interactions, suggesting a common formation mechanism behind the production of light nuclei in hadronic interactions.In this context the measurements are compared with the expectations of coalescence and Statistical Hadronisation Models (SHM).

  • Deuterons spectrum in I V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t1

    Transverse momentum distributions of deuterons in the I V0M multiplicity class

  • Deuterons spectrum in II V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t2

    Transverse momentum distributions of deuterons in the II V0M multiplicity class

  • Deuterons spectrum in III V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t3

    Transverse momentum distributions of deuterons in the III V0M multiplicity class

  • Deuterons spectrum in IV+V V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t4

    Transverse momentum distributions of deuterons in the IV+V V0M multiplicity class

  • Deuterons spectrum in VI V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t5

    Transverse momentum distributions of deuterons in the VI V0M multiplicity class

  • Deuterons spectrum in VII V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t6

    Transverse momentum distributions of deuterons in the VII V0M multiplicity class

  • Deuterons spectrum in IIX V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t7

    Transverse momentum distributions of deuterons in the IIX V0M multiplicity class

  • Deuterons spectrum in IX V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t8

    Transverse momentum distributions of deuterons in the IX V0M multiplicity class

  • Deuterons spectrum in X V0M multiplicity class

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t9

    Transverse momentum distributions of deuterons in the X V0M multiplicity class

  • Deuterons spectrum in INEL>0 pp collisions

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t10

    Transverse momentum distributions of deuterons in the INEL>0 pp collisions

  • Deuterons spectrum in INEL pp collisions

    Data from Figure 1 (top), located on page 7.

    10.17182/hepdata.97183.v1/t11

    Transverse momentum distributions of deuterons in the INEL pp collisions

  • Antideuterons spectrum in I V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t12

    Transverse momentum distributions of anti-deuterons in the I V0M multiplicity class

  • Antideuterons spectrum in II V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t13

    Transverse momentum distributions of anti-deuterons in the II V0M multiplicity class

  • Antideuterons spectrum in III V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t14

    Transverse momentum distributions of anti-deuterons in the III V0M multiplicity class

  • Antideuterons spectrum in IV+V V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t15

    Transverse momentum distributions of anti-deuterons in the IV+V V0M multiplicity class

  • Antideuterons spectrum in VI V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t16

    Transverse momentum distributions of anti-deuterons in the VI V0M multiplicity class

  • Antideuterons spectrum in VII V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t17

    Transverse momentum distributions of anti-deuterons in the VII V0M multiplicity class

  • Antideuterons spectrum in IIX V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t18

    Transverse momentum distributions of anti-deuterons in the IIX V0M multiplicity class

  • Antideuterons spectrum in IX V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t19

    Transverse momentum distributions of anti-deuterons in the IX V0M multiplicity class

  • Antideuterons spectrum in X V0M multiplicity class

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t20

    Transverse momentum distributions of anti-deuterons in the X V0M multiplicity class

  • Antideuterons spectrum in INEL>0 pp collisions

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t21

    Transverse momentum distributions of anti-deuterons in the INEL>0 pp collisions

  • Antideuterons spectrum in INEL pp collisions

    Data from Figure 1 (bottom), located on page 7.

    10.17182/hepdata.97183.v1/t22

    Transverse momentum distributions of anti-deuterons in the INEL pp collisions

  • Ratio antideuteron over deuteron in I V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t23

    $\bar{d}$/d ratio as a function of transverse momentum in I V0M multiplicity class

  • Ratio antideuteron over deuteron in II V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t24

    $\bar{d}$/d ratio as a function of transverse momentum in II V0M multiplicity class

  • Ratio antideuteron over deuteron in III V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t25

    $\bar{d}$/d ratio as a function of transverse momentum in III V0M multiplicity class

  • Ratio antideuteron over deuteron in IV+V V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t26

    $\bar{d}$/d ratio as a function of transverse momentum in IV+V V0M multiplicity class

  • Ratio antideuteron over deuteron in VI V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t27

    $\bar{d}$/d ratio as a function of transverse momentum in VI V0M multiplicity class

  • Ratio antideuteron over deuteron in VII V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t28

    $\bar{d}$/d ratio as a function of transverse momentum in VII V0M multiplicity class

  • Ratio antideuteron over deuteron in IIX V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t29

    $\bar{d}$/d ratio as a function of transverse momentum in IIX V0M multiplicity class

  • Ratio antideuteron over deuteron in IX V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t30

    $\bar{d}$/d ratio as a function of transverse momentum in IX V0M multiplicity class

  • Ratio antideuteron over deuteron in X V0M multiplicity class

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t31

    $\bar{d}$/d ratio as a function of transverse momentum in X V0M multiplicity class

  • Ratio antideuteron over deuteron in INEL>0 pp collisions

    Data from Figure 2, located on page 8.

    10.17182/hepdata.97183.v1/t32

    $\bar{d}$/d ratio as a function of transverse momentum in INEL>0 pp collisions

  • $B_{2}$ in I V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t33

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the I V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in II V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t34

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the II V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in III V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t35

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the III V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in IV+V V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t36

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the IV+V V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in VI V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t37

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the VI V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in VII V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t38

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the VII V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in IIX V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t39

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the IIX V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in IX V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t40

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the IX V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in X V0M multiplicity class

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t41

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the X V0M multiplicity class V0M multiplicity class

  • $B_{2}$ in INEL>0 pp collisions

    Data from Figure 3, located on page 9.

    10.17182/hepdata.97183.v1/t42

    Coalescence parameter $B_2$ as a function of $p_{\mathrm{T}}$ in the INEL>0 pp collisions V0M multiplicity class

  • Deuteron over proton ratio

    Data from Figure 5, located on page 11.

    10.17182/hepdata.97183.v1/t43

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

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