- Abstract:
-
The Λ b differential production cross section and the cross section ratio σ(Λ-b)/σ(Λb) are measured as functions of transverse momentum pTΛb and rapidity |y Λb| in pp collisions at s=7 TeV using data collected by the CMS experiment at the LHC. The measurements are based on Λ b decays reconstructed in the exclusive final state J/ψΛ, with the subsequent decays J/ψ→μ +μ - and Λ→pπ, using a data sample corresponding to an integrated luminosity of 1.9 fb -1. The product σ(Λb)×B(Λb→J/ψΛ) versus pTΛ...
Expand abstract - Publisher copy:
- 10.1016/j.physletb.2012.05.063
-
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- Journal:
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
- Volume:
- 714
- Issue:
- 2-5
- Pages:
- 136-157
- Publication date:
- 2012-08-14
- DOI:
- ISSN:
-
0370-2693
- URN:
-
uuid:b2864774-ae55-4040-ba4f-b1f41e60f44b
- Source identifiers:
-
348849
- Local pid:
- pubs:348849
- Copyright date:
- 2012
Journal article
Measurement of the Λ b cross section and the Λ- b to Λ b ratio with J/ψΛ decays in pp collisions at s=7 TeV
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