Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) -> J/psi Lambda(0) with the ATLAS detector

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dc.contributor.author Lowe, AJ
dc.contributor.author Del Peso, J
dc.contributor.author Roos, L
dc.contributor.author Cogan, JG
dc.contributor.author Tayalati, Y
dc.contributor.author Vukotic, I
dc.contributor.author Chelkov, GA
dc.contributor.author Hines, E
dc.contributor.author Odaka, S
dc.contributor.author Korotkov, VA
dc.contributor.author Snyder, S
dc.contributor.author Hauser, R
dc.contributor.author Koi, T
dc.contributor.author Gallus, P
dc.contributor.author Satsounkevitch, I
dc.contributor.author Kolanoski, H
dc.contributor.author Sommer, P
dc.contributor.author Vartapetian, A
dc.contributor.author Gaycken, G
dc.contributor.author Cerutti, F
dc.contributor.author Clement, B
dc.contributor.author Simard, O
dc.contributor.author Jakoubek, T
dc.contributor.author Yamamoto, K
dc.contributor.author Laycock, P
dc.contributor.author Korn, A
dc.contributor.author Negrini, M
dc.contributor.author Elsing, M
dc.contributor.author Miucci, A
dc.contributor.author Berglund, E
dc.contributor.author Scott, WG
dc.contributor.author Namasivayam, H
dc.contributor.author Canepa, A
dc.contributor.author Chitan, A
dc.contributor.author Young, C
dc.contributor.author Stanecka, E
dc.contributor.author LeCompte, T
dc.contributor.author Onofre, A
dc.contributor.author Schoenrock, BD
dc.contributor.author Clark, PJ
dc.contributor.author Potter, CT
dc.contributor.author Demers, S
dc.contributor.author Gauthier, L
dc.contributor.author Davies, M
dc.contributor.author Loh, CW
dc.contributor.author Pranko, A
dc.contributor.author Di Nardo, R
dc.contributor.author Gonzalez-Sevilla, S
dc.contributor.author Kladiva, E
dc.contributor.author Nakamura, K
dc.contributor.author Lang, VS
dc.contributor.author Maeno, M
dc.contributor.author Tackmann, K
dc.contributor.author Gecse, Z
dc.contributor.author Backes, M
dc.contributor.author Ospanov, R
dc.contributor.author Marcisovsky, M
dc.contributor.author Zhou, B
dc.contributor.author Mergelmeyer, S
dc.contributor.author Morley, AK
dc.contributor.author Lavrijsen, W
dc.contributor.author Farthouat, P
dc.contributor.author Nielsen, J
dc.contributor.author Portell Bueso, X
dc.contributor.author Bromberg, C
dc.contributor.author Krasnopevtsev, D
dc.contributor.author Rosendahl, PL
dc.contributor.author Tuts, PM
dc.contributor.author Nemecek, S
dc.contributor.author Matsushita, T
dc.contributor.author Igonkina, O
dc.contributor.author Peleganchuk, SV
dc.contributor.author Succurro, A
dc.contributor.author Hiller, KH
dc.contributor.author Xiao, M
dc.contributor.author Gibbard, B
dc.contributor.author Lubatti, HJ
dc.contributor.author Ertel, E
dc.contributor.author Taylor, GN
dc.contributor.author Corso-Radu, A
dc.contributor.author Derkaoui, JE
dc.contributor.author Di Valentino, D
dc.contributor.author Milstein, D
dc.contributor.author Li, Y
dc.contributor.author Martinez, M
dc.contributor.author Soffer, A
dc.contributor.author Griffiths, J
dc.contributor.author Wolter, MW
dc.contributor.author Wulf, E
dc.contributor.author Rizvi, E
dc.contributor.author Mount, R
dc.contributor.author Webster, JS
dc.contributor.author Kruker, T
dc.contributor.author Beckingham, M
dc.contributor.author Pospelov, GE
dc.contributor.author Jung, CA
dc.contributor.author Garrido, MDMC
dc.contributor.author Bouffard, J
dc.contributor.author Kramarenko, VA
dc.contributor.author Bomben, M
dc.date.accessioned 2019-01-17T19:55:47Z
dc.date.available 2019-01-17T19:55:47Z
dc.date.issued 2014
dc.identifier.citation Phys. Rev. D. 89, 092009
dc.identifier.issn 1550-7998
dc.identifier.uri https://hdl.handle.net/10192/36260
dc.description.abstract A measurement of the parity-violating decay asymmetry parameter, _b, and the helicity amplitudes for the decay _b0_J/_(_+_-) _0(p_-) is reported. The analysis is based on 1400 _b0 and __b0 baryons selected in 4.6fb-1 of proton-proton collision data with a center-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. By combining the _b0 and __b0 samples under the assumption of CP conservation, the value of _b is measured to be 0.30±0.16(stat)±0.06(syst). This measurement provides a test of theoretical models based on perturbative QCD or heavy-quark effective theory. © 2014 CERN, for the ATLAS Collaboration.
dc.format.extent 1 file
dc.language English
dc.language.iso eng
dc.publisher American Physical Society
dc.relation.isversionof https://dx.doi.org/10.1103/PhysRevD.89.092009
dc.rights Creative Commons Attribution 3.0 Unported
dc.rights.uri http://creativecommons.org/licenses/by/3.0/
dc.subject Weak Decays
dc.subject Root-S=7 Tev
dc.subject Polarization
dc.subject Conservation
dc.subject Baryon
dc.subject Collisions
dc.subject Muon
dc.subject Weak Decays
dc.subject Root-S=7 Tev
dc.subject Polarization
dc.subject Conservation
dc.subject Baryon
dc.subject Collisions
dc.subject Muon
dc.subject article
dc.title Measurement of the parity-violating asymmetry parameter ab and the helicity amplitudes for the decay Lambda(0)(b) -> J/psi Lambda(0) with the ATLAS detector
dc.type Article
dc.contributor.department Department of Physics
dc.relation.journal Physical Review D - Particles, Fields, Gravitation, and Cosmology


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