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Production of (anti-) He 3 and (anti-) H 3 in p-Pb collisions at sNN =5.02 TeV

  • Author(s): Acharya, S;
  • Adamová, D;
  • Adler, A;
  • Adolfsson, J;
  • Aggarwal, MM;
  • Aglieri Rinella, G;
  • Agnello, M;
  • Agrawal, N;
  • Ahammed, Z;
  • Ahmad, S;
  • Ahn, SU;
  • Akindinov, A;
  • Al-Turany, M;
  • Alam, SN;
  • Albuquerque, DSD;
  • Aleksandrov, D;
  • Alessandro, B;
  • Alfanda, HM;
  • Alfaro Molina, R;
  • Ali, B;
  • Ali, Y;
  • Alici, A;
  • Alkin, A;
  • Alme, J;
  • Alt, T;
  • Altenkamper, L;
  • Altsybeev, I;
  • Anaam, MN;
  • Andrei, C;
  • Andreou, D;
  • Andrews, HA;
  • Andronic, A;
  • Angeletti, M;
  • Anguelov, V;
  • Anson, C;
  • Antičić, T;
  • Antinori, F;
  • Antonioli, P;
  • Anwar, R;
  • Apadula, N;
  • Aphecetche, L;
  • Appelshaüser, H;
  • Arcelli, S;
  • Arnaldi, R;
  • Arratia, M;
  • Arsene, IC;
  • Arslandok, M;
  • Augustinus, A;
  • Averbeck, R;
  • Aziz, S;
  • Azmi, MD;
  • Badalà, A;
  • Baek, YW;
  • Bagnasco, S;
  • Bai, X;
  • Bailhache, R;
  • Bala, R;
  • Baldisseri, A;
  • Ball, M;
  • Balouza, S;
  • Barbera, R;
  • Barioglio, L;
  • Barnaföldi, GG;
  • Barnby, LS;
  • Barret, V;
  • Bartalini, P;
  • Barth, K;
  • Bartsch, E;
  • Baruffaldi, F;
  • Bastid, N;
  • Basu, S;
  • Batigne, G;
  • Batyunya, B;
  • Bauri, D;
  • Bazo Alba, JL;
  • Bearden, IG;
  • Bedda, C;
  • Behera, NK;
  • Belikov, I;
  • Bell Hechavarria, ADC;
  • Bellini, F;
  • Bellwied, R;
  • Belyaev, V;
  • Bencedi, G;
  • Beole, S;
  • Bercuci, A;
  • Berdnikov, Y;
  • Berenyi, D;
  • Bertens, RA;
  • Berzano, D;
  • Besoiu, MG;
  • Betev, L;
  • Bhasin, A;
  • Bhat, IR;
  • Bhat, MA;
  • Bhatt, H;
  • Bhattacharjee, B;
  • Bianchi, A;
  • Bianchi, L;
  • Bianchi, N
  • et al.
Abstract

The transverse momentum (pT) differential yields of (anti-)He3 and (anti-)H3 measured in p-Pb collisions at sNN = 5.02 TeV with ALICE at the Large Hadron Collider (LHC) are presented. The ratios of the pT-integrated yields of (anti-)He3 and (anti-)H3 to the proton yields are reported, as well as the pT dependence of the coalescence parameters B3 for (anti-)He3 and (anti-)H3. For (anti-)He3, 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 4Hē is determined.

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