Literature DB >> 35622021

Tests of Lepton Universality Using B^{0}→K_{S}^{0}ℓ^{+}ℓ^{-} and B^{+}→K^{*+}ℓ^{+}ℓ^{-} Decays.

R Aaij1, A S W Abdelmotteleb2, C Abellán Beteta3, F Abudinén2, T Ackernley4, B Adeva5, M Adinolfi6, H Afsharnia7, C Agapopoulou8, C A Aidala9, S Aiola10, Z Ajaltouni7, S Akar11, J Albrecht12, F Alessio13, M Alexander14, A Alfonso Albero15, Z Aliouche16, G Alkhazov17, P Alvarez Cartelle18, S Amato19, J L Amey6, Y Amhis20, L An13, L Anderlini21, N Andersson3, A Andreianov17, M Andreotti22, F Archilli23, A Artamonov24, M Artuso25, K Arzymatov26, E Aslanides27, M Atzeni3, B Audurier28, S Bachmann23, M Bachmayer29, J J Back2, P Baladron Rodriguez5, V Balagura28, W Baldini22, J Baptista Leite30, M Barbetti21, R J Barlow16, S Barsuk20, W Barter31, M Bartolini18, F Baryshnikov32, J M Basels33, S Bashir34, G Bassi35, B Batsukh25, A Battig12, A Bay29, A Beck2, M Becker12, F Bedeschi35, I Bediaga30, A Beiter25, V Belavin26, S Belin36, V Bellee3, K Belous24, I Belov37, I Belyaev38, G Bencivenni39, E Ben-Haim8, A Berezhnoy37, R Bernet3, D Berninghoff23, H C Bernstein25, C Bertella16, A Bertolin40, C Betancourt3, F Betti13, Ia Bezshyiko3, S Bhasin6, J Bhom41, L Bian42, M S Bieker12, N V Biesuz22, S Bifani43, P Billoir8, A Biolchini1, M Birch31, F C R Bishop18, A Bitadze16, A Bizzeti21, M Bjørn44, M P Blago13, T Blake2, F Blanc29, S Blusk25, D Bobulska14, J A Boelhauve12, O Boente Garcia5, T Boettcher11, A Boldyrev45, A Bondar46, N Bondar17,13, S Borghi16, M Borisyak26, M Borsato23, J T Borsuk41, S A Bouchiba29, T J V Bowcock13,4, A Boyer13, C Bozzi22, M J Bradley31, S Braun47, A Brea Rodriguez5, J Brodzicka41, A Brossa Gonzalo2, D Brundu36, A Buonaura3, L Buonincontri40, A T Burke16, C Burr13, A Bursche48, A Butkevich49, J S Butter1, J Buytaert13, W Byczynski13, S Cadeddu36, H Cai42, R Calabrese22, L Calefice8,12, S Cali39, R Calladine43, M Calvi50, M Calvo Gomez51, P Camargo Magalhaes6, P Campana39, A F Campoverde Quezada52, S Capelli50, L Capriotti53, A Carbone53, G Carboni54, R Cardinale55, A Cardini36, I Carli56, P Carniti50, L Carus33, K Carvalho Akiba1, A Casais Vidal5, R 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Grecu60, L M Greeven1, N A Grieser56, L Grillo16, S Gromov32, B R Gruberg Cazon44, C Gu58, M Guarise22, M Guittiere20, P A Günther23, E Gushchin49, A Guth33, Y Guz24, T Gys13, T Hadavizadeh73, G Haefeli29, C Haen13, J Haimberger13, T Halewood-Leagas4, P M Hamilton47, J P Hammerich4, Q Han78, X Han23, T H Hancock44, E B Hansen16, S Hansmann-Menzemer23, N Harnew44, T Harrison4, C Hasse13, M Hatch13, J He52, M Hecker31, K Heijhoff1, K Heinicke12, R D L Henderson2,73, A M Hennequin13, K Hennessy4, L Henry13, J Heuel33, A Hicheur19, D Hill29, M Hilton16, S E Hollitt12, R Hou78, Y Hou57, J Hu48, J Hu48, W Hu78, X Hu58, W Huang52, X Huang42, W Hulsbergen1, R J Hunter2, M Hushchyn45, D Hutchcroft4, D Hynds1, P Ibis12, M Idzik34, D Ilin17, P Ilten11, A Inglessi17, A Ishteev32, K Ivshin17, R Jacobsson13, H Jage33, S Jakobsen13, E Jans1, B K Jashal79, A Jawahery47, V Jevtic12, X Jiang56, M John44, D Johnson62, C R Jones18, T P Jones2, B Jost13, N Jurik13, S H Kalavan Kadavath34, S Kandybei70, Y 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Liu52, S Liu56, A Lobo Salvia15, A Loi36, J Lomba Castro5, I Longstaff14, J H Lopes19, S López Soliño5, G H Lovell18, Y Lu56, C Lucarelli21, D Lucchesi40, S Luchuk49, M Lucio Martinez1, V Lukashenko1,68, Y Luo58, A Lupato16, E Luppi22, O Lupton2, A Lusiani35, X Lyu52, L Ma56, R Ma52, S Maccolini53, F Machefert20, F Maciuc60, V Macko29, P Mackowiak12, S Maddrell-Mander6, O Madejczyk34, L R Madhan Mohan6, O Maev17, A Maevskiy45, M W Majewski34, J J Malczewski41, S Malde44, B Malecki13, A Malinin82, T Maltsev46, H Malygina23, G Manca36, G Mancinelli27, D Manuzzi53, D Marangotto10, J Maratas7, J F Marchand57, U Marconi53, S Mariani21, C Marin Benito13, M Marinangeli29, J Marks23, A M Marshall6, P J Marshall4, G Martelli71, G Martellotti83, L Martinazzoli13, M Martinelli50, D Martinez Santos5, F Martinez Vidal79, A Massafferri30, M Materok33, R Matev13, A Mathad3, V Matiunin38, C Matteuzzi50, K R Mattioli9, A Mauri1, E Maurice28, J Mauricio15, M Mazurek13, M McCann31, L Mcconnell69, T H 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Abstract

Tests of lepton universality in B^{0}→K_{S}^{0}ℓ^{+}ℓ^{-} and B^{+}→K^{*+}ℓ^{+}ℓ^{-} decays where ℓ is either an electron or a muon are presented. The differential branching fractions of B^{0}→K_{S}^{0}e^{+}e^{-} and B^{+}→K^{*+}e^{+}e^{-} decays are measured in intervals of the dilepton invariant mass squared. The measurements are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 9  fb^{-1} . The results are consistent with the standard model and previous tests of lepton universality in related decay modes. The first observation of B^{0}→K_{S}^{0}e^{+}e^{-} and B^{+}→K^{*+}e^{+}e^{-} decays is reported.

Entities:  

Year:  2022        PMID: 35622021     DOI: 10.1103/PhysRevLett.128.191802

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


  1 in total

1.  M W helps select Z ' models for b s anomalies.

Authors:  Ben Allanach; Joe Davighi
Journal:  Eur Phys J C Part Fields       Date:  2022-08-24       Impact factor: 4.991

  1 in total

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