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Measurement of sigma Lambda b0/sigma B0 x B(Lambda b0-->Lambda c+pi-)/B(B0-->D+pi-) in pp collisions at square root s=1.96 TeV.

Abstract:

We present the first observation of the baryon decay Lambda b0-->Lambda c+pi- followed by Lambda c+-->pK-pi+ in 106 pb-1 pp collisions at square root s=1.96 TeV in the CDF experiment. In order to reduce systematic error, the measured rate for Lambda b0 decay is normalized to the kinematically similar meson decay B0-->D+pi- followed by D+-->pi+K-pi+. We report the ratio of production cross sections (sigma) times the ratio of branching fractions (B) for the momentum region integrate...

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Authors


Abulencia, A More by this author
Adelman, J More by this author
Affolder, T More by this author
Akimoto, T More by this author
Albrow, MG More by this author
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Journal:
Physical review letters
Volume:
98
Issue:
12
Pages:
122002
Publication date:
2007-03-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:33910a04-656f-4871-83e6-8e9fafca2b03
Source identifiers:
155347
Local pid:
pubs:155347
Language:
English
Keywords:

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