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Author
BABAR Collaboration (Aubert, B. et al)
;
Azzolini, V.
;
Lopez-March, N.
;
Martinez-Vidal, F.
;
Milanes, D.A.
;
Oyanguren, A.
Title
Observation of the decay (B)over-bar(0) -> Lambda(+)(c)(p)over-bar pi(0)
Type
Journal Article
Year
2010
Publication
Physical Review D
Abbreviated Journal
Phys. Rev. D
Volume
82
Issue
3
Pages
031102 - 8pp
Keywords
Abstract
In a sample of 467 x 10(6) B (B) over bar pairs collected with the BABAR detector at the PEP- II collider at SLAC we have observed the decay (B) over bar (0) -> Lambda(+)(c)(p) over bar pi(0) and measured the branching fraction to be (1.94 +/- 0.17 +/- 0.14 +/- 0.50 x 10(-4), where the uncertainties are statistical, systematic, and the uncertainty on the Lambda(+)(c) -> pK(-)pi(+) branching fraction, respectively. We determine an upper limit of 1.5 x 10(-6) at 90% C.L. for the product branching fraction B((B) over bar (0) -> Sigma(+)(c) (2455)(p) over bar) x B(Lambda(+)(c) -> pK(-) pi(+)). Furthermore, we observe an enhancement at the threshold of the invariant mass of the baryon- antibaryon pair.
Address
[Aubert, B.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prencipe, E.; Prudent, X.] Univ Savoie, LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France
Corporate Author
Thesis
Publisher
Amer Physical Soc
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
1550-7998
ISBN
Medium
Area
Expedition
Conference
Notes
ISI:000281226800001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ elepoucu @
Serial
388
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