Production of (anti-)${}^3$He and (anti-)${}^3$H in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV

Abstract

The transverse momentum ($p_{\mathrm{T}}$) differential yields of (anti-)${}^3$He and (anti-)${}^3$H measured in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV with ALICE at the Large Hadron Collider (LHC) are presented. The ratios of the $p_{\mathrm{T}}$-integrated yields of (anti-)${}^3$He and (anti-)${}^3$H to the proton yields are reported, as well as the $p_{\mathrm{T}}$ dependence of the coalescence parameters $B_3$ for (anti-)${}^3$He and (anti-)${}^3$H. For (anti-)${}^3$He, the results obtained in four classes of the mean charged-particle multiplicity density are also discussed. These results are compared to predictions from a canonical statistical hadronization model and coalescence approaches. An upper limit on the total yield of ${}^4\overline{\mathrm{He}}$ is determined.

30pages, 11 captioned figures, 4 tables, authors from page 25, published version, figures at http://alice-publications.web.cern.ch/node/5651

References in corpus (3)

• Hypernuclei, dibaryon and antinuclei production in high energy heavy ion collisions: Thermal production vs. Coalescence
• Measurement of deuteron spectra and elliptic flow in Pb-Pb collisions at $\sqrt{{\mathbf{s}}_{\mathrm{NN}}}$ = 2.76 TeV at the LHC
• Measurement of the (anti-)${}^3$He elliptic flow in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV

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