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Study of semileptonic decays of B mesons to charmed baryons

Abstract:
Using data collected by the CLEO II detector at a center-of-mass energy on or near the Y(4S) resonance, we have determined the 90% confidence level upper limit β(B̄→Λ+ce -X)/β(B̄→(Λ+c or Λ̄-c)X)<0.05 for electrons with momentum above 0.6 GeV/c. We have also obtained the limit β(B-→Λ+cp̄e -ν̄e)/β(B̄ →Λ+cp̄X)<0.04 at the 90% confidence level and measured the ratio β(B̄→Λ+cp̄X)/β(B̄→(Λ+c or Λ-c)X) =0.57± 0.05±0.05.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.57.6604

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Journal:
Physical Review D More from this journal
Volume:
57
Issue:
11
Pages:
6604-6608
Publication date:
1998-06-01
DOI:
EISSN:
1089-4918
ISSN:
0556-2821
Language:
English
Pubs id:
pubs:5878
UUID:
uuid:cc73a90e-b44c-4298-bbfa-fd46684c8a2e
Local pid:
pubs:5878
Source identifiers:
5878
Deposit date:
2012-12-19

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