Journal article
Measurement of the ratio of prompt χ c to J/ψ production in pp collisions at √s=7 TeV
- Abstract:
- The prompt production of charmonium χ c and J/ψ states is studied in proton-proton collisions at a centre-of-mass energy of s=7 TeV at the Large Hadron Collider. The χ c and J/ψ mesons are identified through their decays χ c→J/ψγ and J/ψ→μ +μ - using 36 pb -1 of data collected by the LHCb detector in 2010. The ratio of the prompt production cross-sections for χ c and J/ψ, σ(χ c→J/ψγ)/σ(J/ψ), is determined as a function of the J/ψ transverse momentum in the range 2
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- Publisher copy:
- 10.1016/j.physletb.2012.10.068
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Bibliographic Details
- Journal:
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
- Volume:
- 718
- Issue:
- 2
- Pages:
- 431-440
- Publication date:
- 2012-12-05
- DOI:
- ISSN:
-
0370-2693
- URN:
-
uuid:3f47b3ec-404d-49d0-a068-5fcf0ef042a0
- Source identifiers:
-
366709
- Local pid:
- pubs:366709
Terms of use
- Copyright date:
- 2012
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