TY - JOUR
T1 - Bose-Einstein correlations of same-sign charged pions in the forward region in $pp$ collisions at $\sqrt{s}$ = 7 TeV
AU - Clarke, P E L
AU - Cowan, G A
AU - Eisenhardt, S
AU - Muheim, F
AU - Needham, M
AU - Playfer, S
AU - Collaboration, LHCb
PY - 2017/12/6
Y1 - 2017/12/6
N2 - Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for Bose-Einstein correlations is observed in the form of an enhancement of pairs of like-sign charged pions with small four-momentum difference squared. The charged-particle multiplicity dependence of the Bose-Einstein correlation parameters describing the correlation strength and the size of the emitting source is investigated, determining both the correlation radius and the chaoticity parameter. The measured correlation radius is found to increase as a function of increasing charged-particle multiplicity, while the chaoticity parameter is seen to decrease.
AB - Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for Bose-Einstein correlations is observed in the form of an enhancement of pairs of like-sign charged pions with small four-momentum difference squared. The charged-particle multiplicity dependence of the Bose-Einstein correlation parameters describing the correlation strength and the size of the emitting source is investigated, determining both the correlation radius and the chaoticity parameter. The measured correlation radius is found to increase as a function of increasing charged-particle multiplicity, while the chaoticity parameter is seen to decrease.
U2 - 10.1007/JHEP12(2017)025
DO - 10.1007/JHEP12(2017)025
M3 - Article
VL - 1712
SP - 025
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
SN - 1126-6708
M1 - Aaij:2017oqu
ER -