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Author
LHCb Collaboration (Aaij, R. et al)
;
Garcia Martin, L.M.
;
Martinez-Vidal, F.
;
Oyanguren, A.
;
Remon Alepuz, C.
;
Ruiz Valls, P.
;
Sanchez Mayordomo, C.
Title
Study of the D(0)p amplitude in Lambda(0)(b) -> D(0)p pi(-) decays
Type
Journal Article
Year
2017
Publication
Journal of High Energy Physics
Abbreviated Journal
J. High Energy Phys.
Volume
05
Issue
5
Pages
030 - 43pp
Keywords
B physics
;
Charm physics
;
Hadron-Hadron scattering (experiments)
;
QCD
;
Spectroscopy
Abstract
An amplitude analysis of the decay Lambda(0)(b) -> D(0)p pi(-) is performed in the part of the phase space containing resonances in the D(0)p channel. The study is based on a data sample corresponding to an integrated luminosity of 3.0 fb(-1) of pp collisions recorded by the LHCb experiment. The spectrum of excited Lambda(+)(c) states that decay into D(0)p is studied. The masses, widths and quantum numbers of the Lambda(c)(2880)(+) and Lambda(c) (2940)(+) resonances are measured. The constraints on the spin and parity for the Lambda(c)(2940)(+) state are obtained for the first time. A near-threshold enhancement in the D(0)p amplitude is investigated and found to be consistent with a new resonance, denoted the Lambda(c) (2860)(+), of spin 3/2 and positive parity.
Address
[Bediaga, I.; De Miranda, J. M.; Gomes, A.; Massafferri, A.; Molina Rodriguez, J.; Dos Reis, A. C.; Rodrigues, A. B.; Salustino Guimaraes, V.; Soares Lavra, L.] CBPF, Rio De Janeiro, Brazil, Email: Anton.Poluektov@cern.ch
Corporate Author
Thesis
Publisher
Springer
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
1029-8479
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000401073500004
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
3146
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