Correlations of two charged identical kaons (K K ) are measured in pp collisions at s 1⁄4 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 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.ThesetrendsaresimilartotheonesobservedforandK0sK0s correlationsinppandheavy- 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.
Titolo: | Charged kaon femtoscopic correlations in pp collisions at sqrt[s]=7 TeV |
Autori: | |
Data di pubblicazione: | 2013 |
Rivista: | |
Abstract: | Correlations of two charged identical kaons (K K ) are measured in pp collisions at s 1⁄4 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 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.ThesetrendsaresimilartotheonesobservedforandK0sK0s correlationsinppandheavy- 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. |
Handle: | http://hdl.handle.net/11386/3994264 |
Appare nelle tipologie: | 1.1.1 Articolo su rivista con DOI |