@article{2c39e22b3d5749e0a22db86ba1d4830d,
title = "Precise measurement of the fs /fd ratio of fragmentation fractions and of Bs0 decay branching fractions",
abstract = "The ratio of the Bs0 and B0 fragmentation fractions, fs/fd, in proton-proton collisions at the LHC, is obtained as a function of B-meson transverse momentum and collision center-of-mass energy from the combined analysis of different B-decay channels measured by the LHCb experiment. The results are described by a linear function of the meson transverse momentum or with a function inspired by Tsallis statistics. Precise measurements of the branching fractions of the Bs0→J/ψφ and Bs0→Ds-π+ decays are performed, reducing their uncertainty by about a factor of 2 with respect to previous world averages. Numerous Bs0 decay branching fractions, measured at the LHCb experiment, are also updated using the new values of fs/fd and branching fractions of normalization channels. These results reduce a major source of systematic uncertainty in several searches for new physics performed through measurements of Bs0 branching fractions. ",
author = "R. Aaij and Beteta, \{C. Abell{\'a}n\} 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 J. Albrecht and F. Alessio and M. Alexander and Albero, \{A. Alfonso\} and Z. Aliouche and G. Alkhazov and Cartelle, \{P. Alvarez\} and S. Amato and Y. Amhis and L. An and L. Anderlini and A. Andreianov and M. Andreotti and F. Archilli and A. Artamonov and M. Artuso and K. Arzymatov and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and M. Bachmayer and Back, \{J. J.\} and S. Baker and Rodriguez, \{P. Baladron\} and V. Balagura and W. Baldini and Leite, \{J. Baptista\} and Barlow, \{R. J.\} and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and Basels, \{J. M.\} and G. Bassi and B. Batsukh and A. Battig and A. Bay and M. Becker and F. Bedeschi and I. Bediaga and A. Beiter and V. Belavin and S. Belin and V. Bellee and K. Belous and I. Belov and I. Belyaev and G. Bencivenni and E. Ben-Haim and A. Berezhnoy and R. Bernet and D. Berninghoff and Bernstein, \{H. C.\} and C. Bertella and A. Bertolin and C. Betancourt and F. Betti and Ia Bezshyiko and S. Bhasin and J. Bhom and L. Bian and Bieker, \{M. S.\} and S. Bifani and P. Billoir and M. Birch and Bishop, \{F. C.R.\} and A. Bitadze 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 Boelhauve, \{J. A.\} and Garcia, \{O. Boente\} 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 Bouchiba, \{S. A.\} and Bowcock, \{T. J.V.\} and A. Boyer and C. Bozzi and Bradley, \{M. J.\} and S. Braun and Rodriguez, \{A. Brea\} and M. Brodski and J. Brodzicka and Gonzalo, \{A. Brossa\} and D. Brundu and A. Buonaura and C. Burr and A. Bursche and A. Butkevich and Butter, \{J. S.\} and J. Buytaert and W. Byczynski and S. Cadeddu and H. Cai and R. Calabrese and L. Calefice and Diaz, \{L. Calero\} and S. Cali and R. Calladine and M. Calvi and Gomez, \{M. Calvo\} and Magalhaes, \{P. Camargo\} and A. Camboni and P. Campana and Quezada, \{A. F.Campoverde\} and S. Capelli and L. Capriotti and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and I. Carli and P. Carniti and L. Carus and Akiba, \{K. Carvalho\} and Vidal, \{A. Casais\} and G. Casse and M. Cattaneo and G. Cavallero and S. Celani and J. Cerasoli and Chadwick, \{A. J.\} and Chapman, \{M. G.\} and M. Charles and Ph Charpentier and G. Chatzikonstantinidis and Barajas, \{C. A.Chavez\} and M. Chefdeville and C. Chen and S. Chen and A. Chernov and V. Chobanova and S. Cholak and M. Chrzaszcz and A. Chubykin and V. Chulikov and P. Ciambrone and Cicala, \{M. F.\} and Vidal, \{X. Cid\} and G. Ciezarek 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. 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Valls\} and \{Van Beuzekom\}, M. and \{Van Dijk\}, M. and \{Van Herwijnen\}, E. and \{Van Hulse\}, \{C. B.\} and \{Van Veghel\}, M. and Gomez, \{R. Vazquez\} and Regueiro, \{P. Vazquez\} and Sierra, \{C. V{\'a}zquez\} and S. Vecchi and Velthuis, \{J. J.\} and M. Veltri and A. Venkateswaran and M. Veronesi and M. Vesterinen and D. Vieira and Diaz, \{M. Vieites\} and H. Viemann and X. Vilasis-Cardona and Figueras, \{E. Vilella\} and P. Vincent and G. Vitali and A. Vollhardt and Bruch, \{D. Vom\} and A. Vorobyev and V. Vorobyev and N. Voropaev and R. Waldi and J. Walsh and C. Wang and J. Wang and J. Wang and J. Wang and J. Wang and M. Wang and R. Wang and Y. Wang and Z. Wang and Wark, \{H. M.\} and Watson, \{N. K.\} and Weber, \{S. G.\} and D. Websdale and C. Weisser and Westhenry, \{B. D.C.\} and White, \{D. J.\} and M. Whitehead and D. Wiedner and G. Wilkinson and M. Wilkinson and I. Williams and M. Williams and Williams, \{M. R.J.\} and Wilson, \{F. F.\} and W. Wislicki and M. Witek and L. Witola and G. Wormser and Wotton, \{S. A.\} and H. Wu and K. Wyllie and Z. Xiang and D. Xiao and Y. Xie and A. Xu and J. Xu and L. Xu and M. Xu and Q. Xu and Z. Xu and Z. Xu and D. Yang and S. Yang and Y. Yang and Z. Yang and Z. Yang and Y. Yao and Yeomans, \{L. E.\} and H. Yin and J. Yu and X. Yuan and O. Yushchenko and E. Zaffaroni and Zarebski, \{K. A.\} and M. Zavertyaev and M. Zdybal and O. Zenaiev and M. Zeng and D. Zhang and L. Zhang and S. Zhang and Y. Zhang and Y. Zhang and A. Zhelezov and Y. Zheng and X. Zhou and Y. Zhou and X. Zhu and V. Zhukov and Zonneveld, \{J. B.\} and S. Zucchelli and D. Zuliani and G. Zunica and \{(LHCb Collaboration)\}",
note = "Funding Information: We express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from CERN and from the following national agencies: CAPES, CNPq, FAPERJ, and FINEP (Brazil); MOST and NSFC (China); CNRS/IN2P3 (France); BMBF, DFG, and MPG (Germany); INFN (Italy); NWO (Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MSHE (Russia); MICINN (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); DOE NP and NSF (U.S.). We acknowledge the computing resources that are provided by CERN, IN2P3 (France), KIT and DESY (Germany), INFN (Italy), SURF (Netherlands), PIC (Spain), GridPP (United Kingdom), RRCKI and Yandex LLC (Russia), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), PL-GRID (Poland), and NERSC (U.S.). We are indebted to the communities behind the multiple open-source software packages on which we depend. Individual groups or members have received support from ARC and ARDC (Australia); AvH Foundation (Germany); EPLANET, Marie Sk{\l}odowska-Curie Actions and ERC (European Union); A*MIDEX, ANR, Labex P2IO and OCEVU, and R{\'e}gion Auvergne-Rh{\^o}ne-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, CAS CCEPP, Fundamental Research Funds for the Central Universities, and Science and Technology Program of Guangzhou (China); RFBR, RSF, and Yandex LLC (Russia); GVA, XuntaGal, and GENCAT (Spain); the Leverhulme Trust, the Royal Society, and UKRI (United Kingdom). Publisher Copyright: {\textcopyright} 2021 CERN.",
year = "2021",
month = aug,
day = "1",
doi = "10.1103/PhysRevD.104.032005",
language = "English",
volume = "104",
pages = "1--20",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "3",
}
SDG 7 Affordable and Clean Energy