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Measurement of the relative prompt production rate of χ c2 and χ c1 in pp collisions at [Formula: see text].

Abstract:
A measurement is presented of the relative prompt production rate of χ c2 and χ c1 with 4.6 fb(-1) of data collected by the CMS experiment at the LHC in pp collisions at [Formula: see text]. The two states are measured via their radiative decays χ c→J/ψ+γ, with the photon converting into an e(+)e(-) pair for J/ψ rapidity |y(J/ψ)|<1.0 and photon transverse momentum p T(γ)>0.5 GeV/c. The measurement is given for six intervals of p T(J/ψ) between 7 and 25 GeV/c. The results are compared to theoretical predictions.
Publication status:
Published

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Journal:
European Physical Journal. C, Particles and Fields More from this journal
Volume:
72
Issue:
12
Pages:
2251
Publication date:
2012-01-01
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
Language:
English
Pubs id:
pubs:384800
UUID:
uuid:0bf45bfe-fe63-4d37-b815-61677ef4dda6
Local pid:
pubs:384800
Source identifiers:
384800
Deposit date:
2014-02-16

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