Charged kaon femtoscopic correlations in $pp$ collisions at $\sqrt{s}=7$ TeV - INSPIRE

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Charged kaon femtoscopic correlations in $pp$ collisions at $\sqrt{s}=7$ TeV

ALICE

Collaboration

Dec, 2012

12 pages

Published in:

Phys.Rev.D 87 (2013) 5, 052016

Published: Mar 25, 2013

e-Print:

1212.5958 [hep-ex]

DOI:

10.1103/PhysRevD.87.052016

Report number:

CERN-PH-EP-2012-337

Experiments:

CERN-LHC-ALICE

View in:

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Abstract: (APS)

Correlations of two charged identical kaons (KchKch) are measured in pp collisions at s=7 TeV by the ALICE experiment at the Large Hadron Collider (LHC). One-dimensional KchKch correlation functions are constructed in three multiplicity and four transverse momentum ranges. The KchKch femtoscopic source parameters R and λ are extracted. The KchKch correlations show a slight increase of femtoscopic radii with increasing multiplicity and a slight decrease of radii with increasing transverse momentum. These trends are similar to the ones observed for ππ and Ks0Ks0 correlations in pp and heavy-ion collisions. However at high multiplicities, there is an indication that the one-dimensional correlation radii for charged kaons are larger than those for pions in contrast to what was observed in heavy-ion collisions at the Relativistic Heavy-Ion Collider.

Note:

17 pages, 4 captioned figures, 1 table, authors from page 12, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/2840

25.75.Nq
multiplicity: dependence
p p: scattering
correlation: (2K+)
correlation: (2K-)
transverse momentum: dependence
CERN LHC Coll
correlation function
ALICE
correlation: two-pion

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