Observation of Lambda(0)(b) -> D(+)p pi(-)pi(-) and Lambda(0)(b) -> D-*+p pi(-)pi(-) decays
Authors
Aaij, R
Abdelmotteleb, ASW
Beteta, C Abellan
Abudinen, F
Ackernley, T
Adeva, B
Adinolfi, M
Afsharnia, H
Agapopoulou, C
Aidala, CA
Aiola, S
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
Alfonso Albero, A
Aliouche, Z
Alkhazov, G
Cartelle, P Alvarez
Amato, S
Amey, JL
Amhis, Y
An, L
Anderlini, L
Andersson, M
Andreianov, A
Andreotti, M
Archilli, F
Artamonov, A
Artuso, M
Arzymatov, K
Aslanides, E
Atzeni, M
Audurier, B
Bachmann, S
Bachmayer, M
Back, JJ
Baladron Rodriguez, P
Balagura, V
Baldini, W
Leite, J Baptista de Souza
Barbetti, M
Barlow, RJ
Barsuk, S
Barter, W
Bartolini, M
Baryshnikov, F
Basels, JM
Bashir, S
Bassi, G
Batsukh, B
Battig, A
Bay, A
Beck, A
Becker, M
Bedeschi, F
Bediaga, I
Beiter, A
Belavin, V
Belin, S
Bellee, V
Belous, K
Belov, I
Belyaev, I
Bencivenni, G
Ben-Haim, E
Berezhnoy, A
Bernet, R
Berninghoff, D
Bernstein, HC
Bertella, C
Bertolin, A
Betancourt, C
Betti, F
Bezshyiko, Ia
Bhasin, S
Bhom, J
Bian, L
Bieker, MS
Biesuz, NV
Bifani, S
Billoir, P
Biolchini, A
Birch, M
Bishop, FCR
Bitadze, A
Bizzeti, A
Bjorn, M
Blago, MP
Blake, T
Blanc, F
Blusk, S
Bobulska, D
Boelhauve, JA
Boente Garcia, O
Boettcher, T
Boldyrev, A
Bondar, A
Bondar, N
Borghi, S
Borisyak, M
Borsato, M
Borsuk, JT
Bouchiba, SA
Bowcock, TJV
Boyer, A
Bozzi, C
Bradley, MJ
Braun, S
Brea Rodriguez, A
Brodzicka, J
Gonzalo, A Brossa
Brundu, D
Buonaura, A
Buonincontri, L
Burke, AT
Burr, C
Bursche, A
Butkevich, A
Butter, JS
Buytaert, J
Byczynski, W
Cadeddu, S
Cai, H
Calabrese, R
Calefice, L
Cali, S
Calladine, R
Calvi, M
Gomez, M Calvo
Magalhaes, P Camargo
Campana, P
Quezada, AF Campoverde
Capelli, S
Capriotti, L
Carbone, A
Carboni, G
Cardinale, R
Cardini, A
Carli, I
Carniti, P
Carus, L
Akiba, K Carvalho
Casais Vidal, A
Caspary, R
Casse, G
Cattaneo, M
Cavallero, G
Celani, S
Cerasoli, J
Cervenkov, D
Chadwick, AJ
Chapman, MG
Charles, M
Charpentier, Ph
Barajas, CA Chavez
Chefdeville, M
Chen, C
Chen, S
Chernov, A
Chobanova, V
Cholak, S
Chrzaszcz, M
Chubykin, A
Chulikov, V
Ciambrone, P
Cicala, MF
Cid Vidal, X
Ciezarek, G
Clarke, PEL
Clemencic, M
Cliff, HV
Closier, J
Cobbledick, JL
Coco, V
Coelho, JAB
Cogan, J
Cogneras, E
Cojocariu, L
Collins, P
Colombo, T
Congedo, L
Contu, A
Cooke, N
Coombs, G
Corredoira, I
Corti, G
Sobral, CM Costa
Couturier, B
Craik, DC
Crkovska, J
Torres, M Cruz
Currie, R
Da Silva, CL
Dadabaev, S
Dai, L
Dall'Occo, E
Dalseno, J
D'Ambrosio, C
Danilina, A
D'Argent, P
Dashkina, A
Davies, JE
Davis, A
Francisco, O De Aguiar
De Bruyn, K
De Capua, S
De Cian, M
De Lucia, E
De Miranda, JM
De Paula, L
De Serio, M
De Simone, D
De Simone, P
De Vellis, F
de Vries, JA
Dean, CT
Debernardis, F
Decamp, D
Dedu, V
Del Buono, L
Delaney, B
Dembinski, H-P
Dendek, A
Denysenko, V
Derkach, D
Deschamps, O
Desse, F
Dettori, F
Dey, B
Di Cicco, A
Di Nezza, P
Didenko, S
Dieste Maronas, L
Dijkstra, H
Dobishuk, V
Dong, C
Donohoe, AM
Dordei, F
dos Reis, AC
Douglas, L
Dovbnya, A
Downes, AG
Dudek, MW
Dufour, L
Duk, V
Durante, P
Durham, JM
Dutta, D
Dziurda, A
Dzyuba, A
Easo, S
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Ek-In, S
Eklund, L
Ely, S
Ene, A
Epple, E
Escher, S
Eschle, J
Esen, S
Evans, T
Falcao, LN
Fan, Y
Fang, B
Farry, S
Fazzini, D
Feo, M
Fernandez Prieto, A
Fernez, AD
Ferrari, F
Lopes, L Ferreira
Rodrigues, F Ferreira
Sole, S Ferreres
Ferrillo, M
Ferro-Luzzi, M
Filippov, S
Fini, RA
Fiorini, M
Firlej, M
Fischer, KM
Fitzgerald, DS
Fitzpatrick, C
Fiutowski, T
Fkiaras, A
Fleuret, F
Fontana, M
Fontanelli, F
Forty, R
Foulds-Holt, D
Lima, V Franco
Sevilla, M Franco
Frank, M
Franzoso, E
Frau, G
Frei, C
Friday, DA
Fu, J
Fuehring, Q
Gabriel, E
Galati, G
Gallas Torreira, A
Galli, D
Gambetta, S
Gan, Y
Gandelman, M
Gandini, P
Gao, Y
Garau, M
Martin, LM Garcia
Garcia Moreno, P
Pardinas, J Garcia
Garcia Plana, B
Rosales, FA Garcia
Garrido, L
Gaspar, C
Geertsema, RE
Gerick, D
Gerken, LL
Gersabeck, E
Gersabeck, M
Gershon, T
Gerstel, D
Giambastiani, L
Gibson, V
Giemza, HK
Gilman, AL
Giovannetti, M
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Gironella Gironell, P
Giugliano, C
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Collaboration, LHCb
Publication Date
2022-03-23Journal Title
JOURNAL OF HIGH ENERGY PHYSICS
ISSN
1029-8479
Publisher
Springer
Volume
2022
Issue
3
Language
en
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Aaij, R., Abdelmotteleb, A., Beteta, C. A., Abudinen, F., Ackernley, T., Adeva, B., Adinolfi, M., et al. (2022). Observation of Lambda(0)(b) -> D(+)p pi(-)pi(-) and Lambda(0)(b) -> D-*+p pi(-)pi(-) decays. JOURNAL OF HIGH ENERGY PHYSICS, 2022 (3) https://doi.org/10.1007/JHEP03(2022)153
Abstract
The multihadron decays $\Lambda_b^0\rightarrow D^+ p \pi^-\pi^-$ and
$\Lambda_b^0\rightarrow D^{*+} p \pi^-\pi^-$ are observed in data corresponding
to an integrated luminosity of 3fb$^{-1}$, collected in proton-proton
collisions at centre-of-mass energies of 7 and 8TeV by the LHCb detector. Using
the~decay $\Lambda_b^0\rightarrow \Lambda_c^+ \pi^+ \pi^-\pi^-$ as a
normalisation channel, the ratio of branching fractions is measured to be $$
\frac { {\mathcal{B}} ( \Lambda_b^0\rightarrow D^+ p \pi^-\pi^- ) }
{ {\mathcal{B}} ( \Lambda_b^0\rightarrow \Lambda_c^+ \pi^+ \pi^-\pi^- ) }
\times
\frac { {\mathcal{B}} ( D^+ \rightarrow K^-\pi^+\pi^+) }
{ {\mathcal{B}} ( \Lambda_c^+ \rightarrow p K^-\pi^+ ) }
= ( 5.35 \pm 0.21 \pm 0.16 ) \% \,, $$ where the first uncertainty is
statistical and the second systematic. The ratio of branching fractions for
$\Lambda_b^0\rightarrow D^{*+} p \pi^-\pi^-$ and $\Lambda_b^0\rightarrow D^+ p
\pi^-\pi^-$ decays is found to be $$ \frac{ {\mathcal{B}} (
\Lambda_b^0\rightarrow D^{*+} p \pi^-\pi^- )}
{ {\mathcal{B}} ( \Lambda_b^0\rightarrow D^{+} p \pi^-\pi^- )}
\times
(
{\mathcal{B}}( D^{*+} \rightarrow \pi^0 ) +
{\mathcal{B}}( D^{*+} \rightarrow \gamma ))
= ( 61.3 \pm 4.3 \pm 4.0 ) \% \,. $$
Keywords
Regular Article - Experimental Physics, B Physics, Branching fraction, Flavour Physics, Hadron-Hadron Scattering
Identifiers
jhep03(2022)153, 18046
External DOI: https://doi.org/10.1007/JHEP03(2022)153
This record's URL: https://www.repository.cam.ac.uk/handle/1810/338517
Rights
Licence:
http://creativecommons.org/licenses/by/4.0/
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