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SUMMARY:Results of femtoscopic correlations at CMS
DTSTART;VALUE=DATE-TIME:20230207T114000Z
DTEND;VALUE=DATE-TIME:20230207T115500Z
DTSTAMP;VALUE=DATE-TIME:20260813T091913Z
UID:indico-contribution-782@events.vecc.gov.in
DESCRIPTION:Speakers: Raghunath Pradhan (Indian Institute of Technology Ma
 dras (IN))\nFemtoscopic correlations of identified and unidentified hadron
 s are measured with data recorded by the CMS experiment at the LHC over a 
 broad multiplicity range and pair transverse momentum. The first femtoscop
 y measurements carried in CMS for all pair combinations of $\\mathrm{K}^{0
 }_{\\mathrm{S}}$\, $\\Lambda$ and $\\overline{\\Lambda}$ are reported. The
 se identified particles are employed to perform $\\mathrm{K}^{0}_{\\mathrm
 {S}}\\mathrm{K}^{0}_{\\mathrm{S}}$\, $\\Lambda\\overline{\\Lambda}$ and $\
 \mathrm{K}^{0}_{\\mathrm{S}}\\Lambda\\oplus\\mathrm{K}^{0}_{\\mathrm{S}}\\
 overline{\\Lambda}$ femtoscopic correlations in pPb collisions at $\\sqrt{
 s_{_{\\mathrm{NN}}}} =$ 8.16 TeV\, and of $\\Lambda\\Lambda\\oplus\\overli
 ne{\\Lambda}\\overline{\\Lambda}$ in PbPb collisions at $\\sqrt{s_{_{\\mat
 hrm{NN}}}} =$ 5.02 TeV\, for the first time. The shape of the correlation 
 function is observed to vary largely for different particle pair species\,
  revealing the effect of the strong final state interaction in each case. 
 In addition\, we present results for the source radii of charged hadrons c
 onsidering the Levy type source distributions in PbPb collisions at $\\sqr
 t{s_{_{\\mathrm{NN}}}} =$ 5.02 TeV. The invariant radii results for $\\mat
 hrm{K}^{0}_{\\mathrm{S}}\\mathrm{K}^{0}_{\\mathrm{S}}$ in pPb and PbPb col
 lisions show similar behavior with multiplicity and pair transverse moment
 um as observed for charged hadrons. The strong interaction scattering para
 meters\, scattering length and effective range\, are extracted from $\\Lam
 bda\\Lambda\\oplus\\overline{\\Lambda}\\overline{\\Lambda}$ and $\\Lambda\
 \overline{\\Lambda}$ correlations using the Lednicky-Lyuboshits model for 
 both pPb and PbPb collisions and compared with other experimental and theo
 retical results.\n\nhttps://events.vecc.gov.in/event/19/contributions/782/
LOCATION:Main Hall (Coral)
URL:https://events.vecc.gov.in/event/19/contributions/782/
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