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SUMMARY:Microscopic origin of light nuclei production at the LHC
DTSTART:20260403T123000Z
DTEND:20260403T133000Z
DTSTAMP:20260517T181900Z
UID:indico-event-38085@indico.in2p3.fr
DESCRIPTION:Speakers: Sushanta Tripathy (Lund University\, Sweden)\n\nLigh
 t nuclei are produced abundantly at the LHC\, even though their binding en
 ergies are small compared with the temperature for hadron production in ul
 tra relativistic collisions. This “snowballs in hell” puzzle has two s
 uccessful but conceptually different explanations. \nIn coalescence pictu
 res\, nuclei form in the final state when nucleons are close in phase spac
 e\, with probabilities set through Wigner formalism in coalescence afterbu
 rners. In thermal models\, nuclei are produced from an equilibrated system
 . Since both frameworks describe inclusive nuclei yields\, the key questio
 n is which observables can access their microscopic dynamics.\nIn this tal
 k\, I will review recent ALICE results and discuss two complementary appro
 aches. First\, proton and deuteron triggered balance functions probe baryo
 n number correlations and help separate thermal production from coalescenc
 e. Second\, motivated by recent pion–deuteron femtoscopy result by ALICE
  pointing to resonance driven production\, I will discuss an inclusive stu
 dy with the $\\Lambda (1520)\\rightarrow pK$ signal. I will also note that
  $\\Lambda$ baryon decays provide complementary constraints\, as shown by 
 recent LHCb searches for antihelium in $\\Lambda_b$ decays.\n\n\n\nhttps:/
 /indico.in2p3.fr/event/38085/
LOCATION:9109
URL:https://indico.in2p3.fr/event/38085/
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