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SUMMARY:Production of Strange Hadrons and Resonances in pp\, pPb and PbPb 
 Collisions at the LHC Energies
DTSTART;VALUE=DATE-TIME:20221117T101000Z
DTEND;VALUE=DATE-TIME:20221117T103000Z
DTSTAMP;VALUE=DATE-TIME:20260721T005342Z
UID:indico-contribution-718@events.vecc.gov.in
DESCRIPTION:Speakers: Hirak Kumar Koley (Nuclear and Particle Physics Rese
 arch Centre\, Department of Physics\, Jadavpur University\, Kolkata - 7000
 32\, India)\nNuclear matter at sufficiently high temperature and energy de
 nsity undergoes a transition to a phase in which quarks and gluons do not 
 remain confined: the quark-gluon plasma (QGP) phase [1]. Such an exotic st
 ate of strongly interacting quantum chromodynamics matter can be produced 
 in the laboratory in high-energy heavy-ion collisions\, where an enhanced 
 production of strange hadrons is observed. Strangeness enhancement is orig
 inally proposed as a key signature to identify the formation of QGP in hig
 h-energy heavy-ion collisions [2]. The yield of strange hadrons is one of 
 the various observables\, which is sensitive to the system evolved after n
 uclear collisions. In particular\, the resonance particles are also import
 ant for probing QGP phase because of their shorter lifetime (a few fm/c)\,
  comparable to the medium lifetime\, and due to the rescattering and regen
 eration processes at the freeze-outs\, the yields of the resonances may va
 ry with respect to the non-resonance particles. Recent studies of small co
 llision systems at the Large Hadron Collider (LHC) show unambiguous simila
 rities in hadron production between high multiplicity pp\, pPb collisions 
 and PbPb collisions [3]. The studies on production of strange hadron and r
 esonances play important roles in characterizing the LHC data in different
  collision systems.\n\nIn this contribution\, we investigate the strange h
 adron and resonance yields using pQCD-inspired multiple-Parton scattering 
 approach-based two different models\, EPOS3 including the hydrodynamical e
 volution of produced particles and AMPT with a String Melting scenario. Th
 e results of yield ratios of identified hadrons will be presented for pp\,
  pPb and PbPb collisions at various LHC energies and results will be confr
 onted to the available experimental data to understand the properties of s
 trongly interacting matter produced in heavy-ion collisions in terms of th
 e model parameters.\n\n1. Shuryak E. V.\, Quantum chromodynamics and the t
 heory of superdense matter\, Phys. Rep. **61**\, 71–158 (1980). \n2. Koc
 h P.\, Muller B. & Rafelski J.\, Strangeness in relativistic heavy ion col
 lisions\, Phys. Rep. **142**\, 167–262 (1986).\n3. Adam J. et. al.\, ALI
 CE Collaboration\, Enhanced production of multi-strange hadrons in high-mu
 ltiplicity proton-proton collisions\, Nature Physics volume **13**\, 535-5
 39 (2017).\n\nhttps://events.vecc.gov.in/event/18/contributions/718/
LOCATION:Ajay Divatia Lecture Hall\, VECC
URL:https://events.vecc.gov.in/event/18/contributions/718/
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