Literature DB >> 33709730

First Observation of the Decay B_{s}^{0}→K^{-}μ^{+}ν_{μ} and a Measurement of |V_{ub}|/|V_{cb}|.

R Aaij1, C Abellán Beteta2, T Ackernley3, B Adeva4, M Adinolfi5, H Afsharnia6, C A Aidala7, S Aiola8, Z Ajaltouni6, S Akar9, J Albrecht10, F Alessio11, M Alexander12, A Alfonso Albero13, Z Aliouche14, G Alkhazov15, P Alvarez Cartelle11, S Amato16, Y Amhis17, L An18, L Anderlini18, A Andreianov15, M Andreotti19, F Archilli20, A Artamonov21, M Artuso22, K Arzymatov23, E Aslanides24, M Atzeni2, B Audurier25, S Bachmann20, M Bachmayer26, J J Back27, S Baker28, P Baladron Rodriguez4, V Balagura25, W Baldini19,11, J Baptista Leite29, R J Barlow14, S Barsuk17, W Barter28, M Bartolini30, F Baryshnikov31, J M Basels32, G Bassi33, B Batsukh22, A Battig10, A Bay26, M Becker10, F Bedeschi33, I Bediaga29, A Beiter22, V Belavin23, S Belin34, V Bellee26, K Belous21, I Belov35, I Belyaev36, G Bencivenni37, E Ben-Haim38, A Berezhnoy35, R Bernet2, D Berninghoff20, H C Bernstein22, C Bertella11, E Bertholet38, A Bertolin39, C Betancourt2, F Betti40, M O Bettler41, Ia Bezshyiko2, S Bhasin5, J Bhom42, L Bian43, M S Bieker10, S Bifani44, P Billoir38, M Birch28, F C R Bishop41, A Bizzeti18, M Bjørn45, M P Blago11, T Blake27, F Blanc26, S Blusk22, D Bobulska12, J A Boelhauve10, O Boente Garcia4, T Boettcher46, A Boldyrev47, A Bondar48, N Bondar15, S Borghi14, M Borisyak23, M Borsato20, J T Borsuk42, S A Bouchiba26, T J V Bowcock3, A Boyer11, C Bozzi19, M J Bradley28, S Braun49, A Brea Rodriguez4, M Brodski11, J Brodzicka42, A Brossa Gonzalo27, D Brundu34, A Buonaura2, C Burr11, A Bursche34, A Butkevich50, J S Butter1, J Buytaert11, W Byczynski11, S Cadeddu34, H Cai43, R Calabrese19, L Calefice38,10, L Calero Diaz37, S Cali37, R Calladine44, M Calvi51, M Calvo Gomez52, P Camargo Magalhaes5, A Camboni13, P Campana37, D H Campora Perez11, A F Campoverde Quezada53, S Capelli51, L Capriotti40, A Carbone40, G Carboni54, R Cardinale30, A Cardini34, I Carli55, P Carniti51, L Carus32, K Carvalho Akiba1, A Casais Vidal4, G Casse3, M Cattaneo11, G Cavallero11, S Celani26, J Cerasoli24, A J Chadwick3, M G Chapman5, M Charles38, Ph Charpentier11, G Chatzikonstantinidis44, C A Chavez Barajas3, M Chefdeville56, C Chen57, S Chen34, A Chernov42, S-G Chitic11, V Chobanova4, S Cholak26, M Chrzaszcz42, A Chubykin15, V Chulikov15, P Ciambrone37, M F Cicala27, X Cid Vidal4, G Ciezarek11, P E L Clarke58, M Clemencic11, H V Cliff41, J Closier11, J L Cobbledick14, V Coco11, J A B Coelho17, J Cogan24, E Cogneras6, L Cojocariu59, P Collins11, T Colombo11, L Congedo60, A Contu34, N Cooke44, G Coombs12, G Corti11, C M Costa Sobral27, B Couturier11, D C Craik46, J Crkovská61, M Cruz Torres29, R Currie58, C L Da Silva61, E Dall'Occo10, J Dalseno4, C D'Ambrosio11, A Danilina36, P d'Argent11, A Davis14, O De Aguiar Francisco14, K De Bruyn62, S De Capua14, M De Cian26, J M De Miranda29, L De Paula16, M De Serio60, D De Simone2, P De Simone37, J A de Vries63, C T Dean61, W Dean7, D Decamp56, L Del Buono38, B Delaney41, H-P Dembinski10, A Dendek64, V Denysenko2, D Derkach47, O Deschamps6, F Desse17, F Dettori34, B Dey43, P Di Nezza37, S Didenko31, L Dieste Maronas4, H Dijkstra11, V Dobishuk65, A M Donohoe66, F Dordei34, A C Dos Reis29, L Douglas12, A Dovbnya67, A G Downes56, K Dreimanis3, M W Dudek42, L Dufour11, V Duk68, P Durante11, J M Durham61, D Dutta14, M Dziewiecki20, A Dziurda42, A Dzyuba15, S Easo69, U Egede70, V Egorychev36, S Eidelman48, S Eisenhardt58, S Ek-In26, L Eklund12, S Ely22, A Ene59, E Epple61, S Escher32, J Eschle2, S Esen1, T Evans11, A Falabella40, J Fan57, Y Fan53, B Fang43, N Farley44, S Farry3, D Fazzini51, P Fedin36, M Féo11, P Fernandez Declara11, A Fernandez Prieto4, J M Fernandez-Tenllado Arribas13, F Ferrari40, L Ferreira Lopes26, F Ferreira Rodrigues16, S Ferreres Sole1, M Ferrillo2, M Ferro-Luzzi11, S Filippov50, R A Fini60, M Fiorini19, M Firlej64, K M Fischer45, C Fitzpatrick14, T Fiutowski64, F Fleuret25, M Fontana38, F Fontanelli30, R Forty11, V Franco Lima3, M Franco Sevilla49, M Frank11, E Franzoso19, G Frau20, C Frei11, D A 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Guth32, Y Guz21,11, T Gys11, T Hadavizadeh70, G Haefeli26, C Haen11, J Haimberger11, T Halewood-Leagas3, P M Hamilton49, Q Han73, X Han20, T H Hancock45, S Hansmann-Menzemer20, N Harnew45, T Harrison3, C Hasse11, M Hatch11, J He53, M Hecker28, K Heijhoff1, K Heinicke10, A M Hennequin11, K Hennessy3, L Henry8,74, J Heuel32, A Hicheur16, D Hill45, M Hilton14, S E Hollitt10, J Hu75, J Hu75, W Hu73, W Huang53, X Huang43, W Hulsbergen1, R J Hunter27, M Hushchyn47, D Hutchcroft3, D Hynds1, P Ibis10, M Idzik64, D Ilin15, P Ilten9, A Inglessi15, A Ishteev31, K Ivshin15, R Jacobsson11, S Jakobsen11, E Jans1, B K Jashal74, A Jawahery49, V Jevtic10, M Jezabek42, F Jiang57, M John45, D Johnson11, C R Jones41, T P Jones27, B Jost11, N Jurik11, S Kandybei67, Y Kang57, M Karacson11, M Karpov47, N Kazeev47, F Keizer11,41, M Kenzie27, T Ketel76, B Khanji10, A Kharisova77, S Kholodenko21, K E Kim22, T Kirn32, V S Kirsebom26, O Kitouni46, S Klaver1, K Klimaszewski78, S Koliiev65, A Kondybayeva31, A Konoplyannikov36, P Kopciewicz64, R Kopecna20, P Koppenburg1, M Korolev35, I Kostiuk1,65, O Kot65, S Kotriakhova79,15, P Kravchenko15, L Kravchuk50, R D Krawczyk11, M Kreps27, F Kress28, S Kretzschmar32, P Krokovny48, W Krupa64, W Krzemien78, W Kucewicz42, M Kucharczyk42, V Kudryavtsev48, H S Kuindersma1, G J Kunde61, T Kvaratskheliya36, D Lacarrere11, G Lafferty14, A Lai34, A Lampis34, D Lancierini2, J J Lane14, R Lane5, G Lanfranchi37, C Langenbruch32, J Langer10, O Lantwin2,31, T Latham27, F Lazzari33, R Le Gac24, S H Lee7, R Lefèvre6, A Leflat35, S Legotin31, O Leroy24, T Lesiak42, B Leverington20, H Li75, L Li45, P Li20, Y Li55, Y Li55, Z Li22, X Liang22, T Lin28, R Lindner11, V Lisovskyi10, R Litvinov34, G Liu75, H Liu53, S Liu55, X Liu57, A Loi34, J Lomba Castro4, I Longstaff12, J H Lopes16, G Loustau2, G H Lovell41, Y Lu55, D Lucchesi39, S Luchuk50, M Lucio Martinez1, V Lukashenko1, Y Luo57, A Lupato14, E Luppi19, O Lupton27, A Lusiani33, X Lyu53, L Ma55, S Maccolini40, F Machefert17, F Maciuc59, V Macko26, P Mackowiak10, S Maddrell-Mander5, O Madejczyk64, L R Madhan Mohan5, O Maev15, A Maevskiy47, D Maisuzenko15, M W Majewski64, J J Malczewski42, S Malde45, B Malecki11, A Malinin80, T Maltsev48, H Malygina20, G Manca34, G Mancinelli24, R Manera Escalero13, D Manuzzi40, D Marangotto8, J Maratas6, J F Marchand56, U Marconi40, S Mariani18,11, C Marin Benito17, M Marinangeli26, P Marino26, J Marks20, P J Marshall3, G Martellotti79, L Martinazzoli11, M Martinelli51, D Martinez Santos4, F Martinez Vidal74, A Massafferri29, M Materok32, R Matev11, A Mathad2, Z Mathe11, V Matiunin36, C Matteuzzi51, K R Mattioli7, A Mauri1, E Maurice25, J Mauricio13, M Mazurek78, M McCann28, L Mcconnell66, T H Mcgrath14, A McNab14, R McNulty66, J V Mead3, B Meadows9, C Meaux24, G Meier10, N Meinert81, D Melnychuk78, S Meloni51, M Merk1,63, A Merli8, L Meyer Garcia16, M Mikhasenko11, D A Milanes82, E Millard27, M Milovanovic11, M-N Minard56, L Minzoni19, S E Mitchell58, B 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Abstract

The first observation of the suppressed semileptonic B_{s}^{0}→K^{-}μ^{+}ν_{μ} decay is reported. Using a data sample recorded in pp collisions in 2012 with the LHCb detector, corresponding to an integrated luminosity of 2  fb^{-1}, the branching fraction B(B_{s}^{0}→K^{-}μ^{+}ν_{μ}) is measured to be [1.06±0.05(stat)±0.08(syst)]×10^{-4}, where the first uncertainty is statistical and the second one represents the combined systematic uncertainties. The decay B_{s}^{0}→D_{s}^{-}μ^{+}ν_{μ}, where D_{s}^{-} is reconstructed in the final state K^{+}K^{-}π^{-}, is used as a normalization channel to minimize the experimental systematic uncertainty. Theoretical calculations on the form factors of the B_{s}^{0}→K^{-} and B_{s}^{0}→D_{s}^{-} transitions are employed to determine the ratio of the Cabibbo-Kobayashi-Maskawa matrix elements |V_{ub}|/|V_{cb}| at low and high B_{s}^{0}→K^{-} momentum transfer.

Year:  2021        PMID: 33709730     DOI: 10.1103/PhysRevLett.126.081804

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN: 0031-9007            Impact factor:   9.161


  1 in total

Review 1.  Quark flavor physics and lattice QCD.

Authors:  Matthew Wingate
Journal:  Eur Phys J A Hadron Nucl       Date:  2021-07-19       Impact factor: 3.043

  1 in total

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