Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10707
Title: Measurement of the relative prompt production rate of chi(c2) and chi(c1) in pp collisions at ?s=7 TeV
Authors: Chatrchyan, S.
Khachatryan, V.
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Karapınar, Güler
CMS Collaboration
Issue Date: 2012
Publisher: Springer Verlag
Abstract: Ameasurement is presented of the relative prompt production rate of chi(c2) and chi(c1) with 4.6 fb(-1) of data collected by the CMS experiment at the LHC in pp collisions at root s = 7 TeV. The two states are measured via their radiative decays chi(c) -> J/psi + gamma, with the photon converting into an e(+)e(-) pair for J/psi rapidity \y(J/psi)\ < 1.0 and photon transverse momentum p(T)(gamma) > 0.5 GeV/c. The measurement is given for six intervals of p(T)(J/psi) between 7 and 25 GeV/c. The results are compared to theoretical predictions.
URI: https://doi.org/10.1140/epjc/s10052-012-2251-3
https://hdl.handle.net/11147/10707
ISSN: 1434-6044
1434-6052
Appears in Collections:Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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