@article{a654dd1daf634346b28294eb3d963df4,
title = "Measurement of the branching fraction of the decay Bs0 → K S0 K S0",
abstract = "A measurement of the branching fraction of the decay Bs0→KS0KS0 is performed using proton-proton collision data corresponding to an integrated luminosity of 5 fb-1 collected by the LHCb experiment between 2011 and 2016. The branching fraction is determined to be B(Bs0→KS0KS0)=[8.3±1.6(stat)±0.9(syst)±0.8(norm)±0.3(fs/fd)]×10-6, where the first uncertainty is statistical, the second is systematic, and the third and fourth are due to uncertainties on the branching fraction of the normalization mode B0→φKS0 and the ratio of hadronization fractions fs/fd. This is the most precise measurement of this branching fraction to date. Furthermore, a measurement of the branching fraction of the decay B0→KS0KS0 is performed relative to that of the Bs0→KS0KS0 channel, and is found to be B(B0→KS0KS0)B(Bs0→KS0KS0)=[7.5±3.1(stat)±0.5(syst)±0.3(fs/fd)]×10-2.",
author = "R. Aaij and \{Abell{\'a}n Beteta\}, C. and T. Ackernley and B. Adeva and M. Adinolfi and H. Afsharnia and Aidala, \{C. A.\} and S. Aiola and Z. Ajaltouni and S. Akar and P. Albicocco and J. Albrecht and F. Alessio and M. Alexander and \{Alfonso Albero\}, A. and G. Alkhazov and \{Alvarez Cartelle\}, P. and Alves, \{A. A.\} and S. Amato and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and F. Archilli and \{Arnau Romeu\}, J. and A. Artamonov and M. Artuso and K. Arzymatov and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and Back, \{J. J.\} and S. Baker and V. Balagura and W. Baldini and A. Baranov and Barlow, \{R. J.\} and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and G. Bassi and V. Batozskaya and B. Batsukh and A. Battig and V. Battista and A. Bay and M. Becker and F. Bedeschi and I. Bediaga and A. Beiter and Bel, \{L. J.\} and V. Belavin and S. Belin and N. Beliy and V. Bellee and K. Belous and I. Belyaev and G. Bencivenni and E. Ben-Haim and S. Benson and S. Beranek and A. Berezhnoy and R. Bernet and D. Berninghoff and Bernstein, \{H. C.\} and E. Bertholet and A. Bertolin and C. Betancourt and F. Betti and Bettler, \{M. O.\} and Ia Bezshyiko and S. Bhasin and J. Bhom and Bieker, \{M. S.\} and S. Bifani and P. Billoir and A. Bizzeti and M. Bj{\o}rn and Blago, \{M. P.\} and T. Blake and F. Blanc and S. Blusk and D. Bobulska and V. Bocci and \{Boente Garcia\}, O. and T. Boettcher and A. Boldyrev and A. Bondar and N. Bondar and S. Borghi and M. Borisyak and M. Borsato and Borsuk, \{J. T.\} and Bowcock, \{T. J.V.\} and C. Bozzi and S. Braun and \{Brea Rodriguez\}, A. and M. Brodski and J. Brodzicka and \{Brossa Gonzalo\}, A. and D. Brundu and E. Buchanan and A. B{\"u}chler-Germann and A. Buonaura and C. Burr and A. Bursche and Butter, \{J. S.\} and J. Buytaert and W. Byczynski and S. Cadeddu and H. Cai and R. Calabrese and S. Cali and R. Calladine and M. Calvi and \{Calvo Gomez\}, M. and A. Camboni and P. Campana and \{Campora Perez\}, \{D. H.\} and L. Capriotti and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and P. Carniti and \{Carvalho Akiba\}, K. and \{Casais Vidal\}, A. and G. Casse and M. Cattaneo and G. Cavallero and R. Cenci and J. Cerasoli and Chapman, \{M. G.\} and M. Charles and Ph Charpentier and G. Chatzikonstantinidis and M. Chefdeville and V. Chekalina and C. Chen and S. Chen and A. Chernov and Chitic, \{S. G.\} and V. Chobanova and M. Chrzaszcz and A. Chubykin and P. Ciambrone and Cicala, \{M. F.\} and \{Cid Vidal\}, X. and G. Ciezarek and F. Cindolo and Clarke, \{P. E.L.\} and M. Clemencic and Cliff, \{H. V.\} and J. Closier and Cobbledick, \{J. L.\} and V. Coco and Coelho, \{J. A.B.\} and J. Cogan and E. Cogneras and L. Cojocariu and P. Collins and T. Colombo and A. Comerma-Montells and A. Contu and N. Cooke and G. Coombs and S. Coquereau and G. Corti and \{Costa Sobral\}, \{C. M.\} and B. Couturier and Craik, \{D. C.\} and J. Crkovsk{\'a} and A. Crocombe and \{Cruz Torres\}, M. and R. Currie and \{Da Silva\}, \{C. L.\} and E. Dall'Occo and J. Dalseno and C. D'Ambrosio and A. Danilina and P. D'Argent and A. Davis and \{De Aguiar Francisco\}, O. and \{De Bruyn\}, K. and \{De Capua\}, S. and \{De Cian\}, M. and \{De Miranda\}, \{J. M.\} and \{De Paula\}, L. and \{De Serio\}, M. and \{De Simone\}, P. and \{De Vries\}, \{J. A.\} and Dean, \{C. T.\} and W. Dean and D. Decamp and \{Del Buono\}, L. and B. Delaney and Dembinski, \{H. P.\} and M. Demmer and A. Dendek and V. Denysenko and D. Derkach and O. Deschamps and F. Desse and F. Dettori and B. Dey and \{Di Canto\}, A. and \{Di Nezza\}, P. and S. Didenko and H. Dijkstra and F. Dordei and M. Dorigo and \{Dos Reis\}, \{A. C.\} and L. Douglas and A. Dovbnya and K. Dreimanis and Dudek, \{M. W.\} and L. Dufour and G. Dujany and P. Durante and Durham, \{J. M.\} and D. Dutta and R. Dzhelyadin and M. Dziewiecki and A. Dziurda and A. Dzyuba and S. Easo and U. Egede and V. Egorychev and S. Eidelman and S. Eisenhardt and R. Ekelhof and S. Ek-In and L. Eklund and S. Ely and A. Ene and S. Escher and S. Esen and T. Evans and A. Falabella and J. Fan and N. Farley and S. Farry and D. Fazzini and M. F{\'e}o and \{Fernandez Declara\}, P. and \{Fernandez Prieto\}, A. and T. Hadavizadeh and Lane, \{Jake J.\} and \{The LHCb Collaboration\}",
year = "2020",
month = jul,
day = "1",
doi = "10.1103/PhysRevD.102.012011",
language = "English",
volume = "102",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "1",
}