Measurement of the shape of the Lambda(0)(b) ->+ Lambda(+)(c) mu(-)(nu)over-bar mu differential decay rate

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Title: Measurement of the shape of the Lambda(0)(b) ->+ Lambda(+)(c) mu(-)(nu)over-bar mu differential decay rate
Author(s): Aaij, R
Adeva, B
Adinolfi, M
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
Alfonso Albero, A
Ali, S
Alkhazov, G
De Simone, P
Dean, CT
Decamp, D
Del Buono, L
Dembinski, H-P
Demmer, M
Dendek, A
Derkach, D
Deschamps, O
Andreotti, M
Britton, T
Dettori, F
Dey, B
Di Canto, A
Di Nezza, P
Dijkstra, H
Dordei, F
Dorigo, M
Dosil Suarez, A
Douglas, L
Dovbnya, A
Brodzicka, J
Andrews, JE
Dreimanis, K
Dufour, L
Dujany, G
Dungs, K
Durante, P
Dzhelyadin, R
Dziewiecki, M
Dziurda, A
Dzyuba, A
Brundu, D
Deleage, N
Appleby, RB
Easo, S
Ebert, M
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Eitschberger, U
Ekelhof, R
Buchanan, E
Eklund, L
Ely, S
Archilli, F
Esen, S
Evans, HM
Evans, T
Falabella, A
Farley, N
Farry, S
Fay, R
Burr, C
Fazzini, D
Federici, L
Ferguson, D
D'Argent, P
Fernandez, G
Declara, PF
Fernandez Prieto, A
Ferrari, F
Ferreira Rodrigues, F
Ferro-Luzzi, M
Bursche, A
Filippov, S
Fini, RA
Fiore, M
Fiorini, M
Romeu, JA
Firlej, M
Fitzpatrick, C
Fiutowski, T
Fleuret, F
Fohl, K
Buytaert, J
Fontana, M
Fontanelli, F
Forshaw, DC
Forty, R
Lima, VF
Artamonov, A
Frank, M
Frei, C
Fu, J
Funk, W
Byczynski, W
Furfaro, E
Farber, C
Gabriel, E
Gallas Torreira, A
Galli, D
Gallorini, S
Artuso, M
Gambetta, S
Gandelman, M
Gandini, P
Cadeddu, S
Gao, Y
Garcia Martin, LM
Garcia Pardinas, J
Tico, JG
Garrido, L
Garsed, PJ
Gascon, D
Aslanides, E
Gaspar, C
Gavardi, L
Cai, H
Gazzoni, G
Gerick, D
Gersabeck, E
Gersabeck, M
Gershon, T
Ghez, P
Giani, S
Gibson, V
Auriemma, G
Girard, OG
Cartelle, PA
Giubega, L
Gizdov, K
Gligorov, VV
Golubkov, D
Golutvin, A
Gomes, A
Gorelov, IV
Gotti, C
Govorkova, E
Baalouch, M
Calabrese, R
Grabowski, JP
Graciani Diaz, R
Cardoso, LAG
Grauges, E
Graverini, E
Graziani, G
Grecu, A
Greim, R
Griffith, P
Grillo, L
Calladine, R
Babuschkin, I
Gruber, L
Cazon, BRG
Gruenberg, O
Gushchin, E
Guz, Y
Gys, T
Gobel, C
Hadavizadeh, T
Hadjivasiliou, C
Calvi, M
Haefeli, G
Bachmann, S
Haen, C
Haines, SC
Hamilton, B
Han, X
Hancock, T
Hansmann-Menzemer, S
Harnew, N
Harnew, ST
Calvo Gomez, M
Harrison, J
Hatch, M
Back, JJ
He, J
Hecker, M
Heister, A
Hennessy, K
Henrard, P
Henry, L
Van Herwijnen, E
Camboni, A
Hess, M
Hicheur, A
Hill, D
Badalov, A
Hombach, C
Hopchev, PH
Huard, Z-C
Hulsbergen, W
Humair, T
Hushchyn, M
Campana, P
Hutchcroft, D
Idzik, M
Ilten, P
Jacobsson, R
Baesso, C
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Jans, E
Jawahery, A
Jiang, F
John, M
Perez, DHC
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Kotriakhova, S
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Item Type: Journal Article
Abstract: A measurement of the shape of the differential decay rate and the associated Isgur-Wise function for the decay Λ 0 b → Λ + c μ − ¯ ν μ is reported, using data corresponding to 3     fb − 1 collected with the LHCb detector in proton-proton collisions. The Λ + c μ − ¯ ν μ ( + anything ) final states are reconstructed through the detection of a muon and a Λ + c baryon decaying into p K − π + , and the decays Λ 0 b → Λ + c π + π − μ − ¯ ν μ are used to determine contributions from Λ 0 b → Λ * + c μ − ¯ ν μ decays. The measured dependence of the differential decay rate upon the squared four-momentum transfer between the heavy baryons, q 2 , is compared with expectations from heavy-quark effective theory and from unquenched lattice QCD predictions.
Publication Date: 13-Dec-2017
Date of Acceptance: 17-Nov-2017
URI: http://hdl.handle.net/10044/1/55641
DOI: https://dx.doi.org/10.1103/PhysRevD.96.112005
ISSN: 1550-2368
Publisher: American Physical Society
Journal / Book Title: Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume: 96
Issue: 11
Copyright Statement: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
2ND-ORDER POWER CORRECTIONS
QUARK EFFECTIVE THEORY
ISGUR-WISE FUNCTION
FORM-FACTORS
BARYONS
MESONS
hep-ex
hep-ex
hep-lat
Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
2ND-ORDER POWER CORRECTIONS
QUARK EFFECTIVE THEORY
ISGUR-WISE FUNCTION
FORM-FACTORS
BARYONS
MESONS
Publication Status: Published
Article Number: 112005
Open Access location: http://doi.org/10.1103/PhysRevD.96.112005
Appears in Collections:Physics
High Energy Physics



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