Search for the baryon- and lepton-number violating decays B0 →pμ- and Bs0 →pμ

LHCb Collaboration

doi:10.1103/PhysRevD.108.012021

Search for the baryon- and lepton-number violating decays B0 →pμ- and Bs0 →pμ

LHCb Collaboration

(Astro)-Particles Physics

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

A search for the baryon- and lepton-number violating decays B0→pμ- and Bs0→pμ- is performed at the LHCb experiment using data collected in proton-proton collisions at s=7, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2, and 6 fb-1, respectively. No significant signal for B0→pμ- and Bs0→pμ- decays is found and the upper limits on the branching fractions are determined to be B(B0→pμ-)<2.6(3.1)×10-9 and B(Bs0→pμ-)<12.1(14.0)×10-9, respectively, at 90% (95%) confidence level. These are the first limits on these decays to date.

Original language	English
Article number	012021
Pages (from-to)	1-15
Number of pages	15
Journal	Physical Review D
Volume	108
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.108.012021
Publication status	Published - 1 Jul 2023

Bibliographical 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 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); MICINN (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); DOE NP and NSF (USA). 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), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), Polish WLCG (Poland) and NERSC (USA). 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); Minciencias (Colombia); AvH Foundation (Germany); EPLANET, Marie Skłodowska-Curie Actions and ERC (European Union); A*MIDEX, ANR, IPhU, and Labex P2IO, and Région Auvergne-Rhône-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, CAS CCEPP, Fundamental Research Funds for the Central Universities, and Sci. & Tech. Program of Guangzhou (China); GVA, XuntaGal, GENCAT and Prog. Atracción Talento, CM (Spain); SRC (Sweden); the Leverhulme Trust, the Royal Society and UKRI (United Kingdom).

Publisher Copyright:
© 2023 CERN.

Funding

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 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); MICINN (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); DOE NP and NSF (USA). 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), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), Polish WLCG (Poland) and NERSC (USA). 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); Minciencias (Colombia); AvH Foundation (Germany); EPLANET, Marie Skłodowska-Curie Actions and ERC (European Union); A*MIDEX, ANR, IPhU, and Labex P2IO, and Région Auvergne-Rhône-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, CAS CCEPP, Fundamental Research Funds for the Central Universities, and Sci. & Tech. Program of Guangzhou (China); GVA, XuntaGal, GENCAT and Prog. Atracción Talento, CM (Spain); SRC (Sweden); the Leverhulme Trust, the Royal Society and UKRI (United Kingdom).

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10.1103/PhysRevD.108.012021

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@article{82c7f29c51d44d69a0928b494dd6c9c7,

title = "Search for the baryon- and lepton-number violating decays B0 →pμ- and Bs0 →pμ",

abstract = "A search for the baryon- and lepton-number violating decays B0→pμ- and Bs0→pμ- is performed at the LHCb experiment using data collected in proton-proton collisions at s=7, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2, and 6 fb-1, respectively. No significant signal for B0→pμ- and Bs0→pμ- decays is found and the upper limits on the branching fractions are determined to be B(B0→pμ-)<2.6(3.1)×10-9 and B(Bs0→pμ-)<12.1(14.0)×10-9, respectively, at 90% (95%) confidence level. These are the first limits on these decays to date.",

author = "R. Aaij and Abdelmotteleb, {A. S.W.} and {Abellan Beteta}, C. and F. Abudin{\'e}n and T. Ackernley and B. Adeva and M. Adinolfi and H. Afsharnia and C. Agapopoulou and Aidala, {C. A.} and S. Aiola and Z. Ajaltouni and S. Akar and K. Akiba and J. Albrecht and F. Alessio and M. Alexander and {Alfonso Albero}, A. and Z. Aliouche and {Alvarez Cartelle}, P. and R. Amalric and S. Amato and Amey, {J. L.} and Y. Amhis and L. An and L. Anderlini and M. Andersson and A. Andreianov and M. Andreotti and D. Andreou and D. Ao and F. Archilli and A. Artamonov and M. Artuso and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and M. Bachmayer and Back, {J. J.} and A. Bailly-Reyre and {Baladron Rodriguez}, P. and V. Balagura and W. Baldini and {Baptista De Souza Leite}, J. and M. Barbetti 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 A. Beck and M. Becker and F. Bedeschi and Bediaga, {I. B.} and A. Beiter and V. Belavin and S. Belin and V. Bellee and K. Belous and I. Belov and I. Belyaev and G. Benane and G. Bencivenni and E. Ben-Haim and A. Berezhnoy and R. Bernet and {Bernet Andres}, S. 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 Biesuz, {N. V.} and S. Bifani and P. Billoir and A. Biolchini and M. Birch and Bishop, {F. C.R.} and A. Bitadze and A. Bizzeti and Blago, {M. P.} and T. Blake and F. Blanc and S. Blusk and D. Bobulska and Boelhauve, {J. A.} and {Boente Garcia}, O. and T. Boettcher and A. Boldyrev and Bolognani, {C. S.} and R. Bolzonella and N. Bondar and F. Borgato and S. Borghi 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 {Brea Rodriguez}, A. and J. Brodzicka and {Brossa Gonzalo}, A. and J. 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Wilkinson and Wilkinson, {M. K.} and I. Williams and M. Williams and Williams, {M. R.J.} and R. Williams and Wilson, {F. F.} and W. Wislicki and M. Witek and L. Witola and Wong, {C. P.} 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 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 Yeomans, {L. E.} and V. Yeroshenko and H. Yeung and H. Yin and J. Yu and X. Yuan and E. Zaffaroni and M. Zavertyaev and M. Zdybal and O. Zenaiev and M. Zeng and C. Zhang and D. Zhang and L. Zhang and S. Zhang and S. Zhang and Y. Zhang and Y. Zhang and A. Zharkova and A. Zhelezov and Y. Zheng and T. Zhou and X. Zhou and Y. Zhou and V. Zhovkovska and X. Zhu and X. Zhu and Z. Zhu and V. Zhukov and Q. Zou 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 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); MICINN (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); DOE NP and NSF (USA). 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), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), Polish WLCG (Poland) and NERSC (USA). 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); Minciencias (Colombia); AvH Foundation (Germany); EPLANET, Marie Sk{\l}odowska-Curie Actions and ERC (European Union); A*MIDEX, ANR, IPhU, and Labex P2IO, 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 Sci. & Tech. Program of Guangzhou (China); GVA, XuntaGal, GENCAT and Prog. Atracci{\'o}n Talento, CM (Spain); SRC (Sweden); the Leverhulme Trust, the Royal Society and UKRI (United Kingdom). Publisher Copyright: {\textcopyright} 2023 CERN.",

year = "2023",

month = jul,

day = "1",

doi = "10.1103/PhysRevD.108.012021",

language = "English",

volume = "108",

pages = "1--15",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "1",

}

TY - JOUR

T1 - Search for the baryon- and lepton-number violating decays B0 →pμ- and Bs0 →pμ

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AU - LHCb Collaboration

N1 - 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 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); MICINN (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); DOE NP and NSF (USA). 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), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), Polish WLCG (Poland) and NERSC (USA). 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); Minciencias (Colombia); AvH Foundation (Germany); EPLANET, Marie Skłodowska-Curie Actions and ERC (European Union); A*MIDEX, ANR, IPhU, and Labex P2IO, and Région Auvergne-Rhône-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, CAS CCEPP, Fundamental Research Funds for the Central Universities, and Sci. & Tech. Program of Guangzhou (China); GVA, XuntaGal, GENCAT and Prog. Atracción Talento, CM (Spain); SRC (Sweden); the Leverhulme Trust, the Royal Society and UKRI (United Kingdom). Publisher Copyright: © 2023 CERN.

PY - 2023/7/1

Y1 - 2023/7/1

N2 - A search for the baryon- and lepton-number violating decays B0→pμ- and Bs0→pμ- is performed at the LHCb experiment using data collected in proton-proton collisions at s=7, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2, and 6 fb-1, respectively. No significant signal for B0→pμ- and Bs0→pμ- decays is found and the upper limits on the branching fractions are determined to be B(B0→pμ-)<2.6(3.1)×10-9 and B(Bs0→pμ-)<12.1(14.0)×10-9, respectively, at 90% (95%) confidence level. These are the first limits on these decays to date.

AB - A search for the baryon- and lepton-number violating decays B0→pμ- and Bs0→pμ- is performed at the LHCb experiment using data collected in proton-proton collisions at s=7, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2, and 6 fb-1, respectively. No significant signal for B0→pμ- and Bs0→pμ- decays is found and the upper limits on the branching fractions are determined to be B(B0→pμ-)<2.6(3.1)×10-9 and B(Bs0→pμ-)<12.1(14.0)×10-9, respectively, at 90% (95%) confidence level. These are the first limits on these decays to date.

UR - http://www.scopus.com/inward/record.url?scp=85169332156&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85169332156&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.108.012021

DO - 10.1103/PhysRevD.108.012021

M3 - Article

AN - SCOPUS:85169332156

SN - 2470-0010

VL - 108

SP - 1

EP - 15

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 012021

ER -

Search for the baryon- and lepton-number violating decays B0 →pμ- and Bs0 →pμ

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