Searches for low-mass dimuon resonances

The Lhcb Collaboration

doi:10.1007/JHEP10(2020)156

Searches for low-mass dimuon resonances

The Lhcb Collaboration

(Astro)-Particles Physics

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

Abstract

Searches are performed for a low-mass dimuon resonance, X, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb⁻¹ and collected with the LHCb detector. The X bosons can either decay promptly or displaced from the proton-proton collision, where in both cases the requirements placed on the event and the assumptions made about the production mechanisms are kept as minimal as possible. The searches for promptly decaying X bosons explore the mass range from near the dimuon threshold up to 60 GeV, with nonnegligible X widths considered above 20 GeV. The searches for displaced X → μ⁺μ⁻ decays consider masses up to 3 GeV. None of the searches finds evidence for a signal and 90% confidence-level exclusion limits are placed on the X → μ⁺μ⁻ cross sections, each with minimal model dependence. In addition, these results are used to place world-leading constraints on GeV-scale bosons in the two-Higgs-doublet and hidden-valley scenarios. [Figure not available: see fulltext.].

Original language	English
Article number	156
Pages (from-to)	1-26
Number of pages	26
Journal	Journal of High Energy Physics
Volume	2020
Issue number	10
DOIs	https://doi.org/10.1007/JHEP10(2020)156
Publication status	Published - 26 Oct 2020

Funding

Funders	Funder number
Horizon 2020 Framework Programme	792684
Science and Technology Facilities Council	GRIDPP

Keywords

Beyond Standard Model
Exotics
Hadron-Hadron scattering (experiments)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1007/JHEP10(2020)156

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Cite this

@article{d7d0af74ed66464cb7db8f59f612e318,

title = "Searches for low-mass dimuon resonances",

abstract = "Searches are performed for a low-mass dimuon resonance, X, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb−1 and collected with the LHCb detector. The X bosons can either decay promptly or displaced from the proton-proton collision, where in both cases the requirements placed on the event and the assumptions made about the production mechanisms are kept as minimal as possible. The searches for promptly decaying X bosons explore the mass range from near the dimuon threshold up to 60 GeV, with nonnegligible X widths considered above 20 GeV. The searches for displaced X → μ+μ− decays consider masses up to 3 GeV. None of the searches finds evidence for a signal and 90% confidence-level exclusion limits are placed on the X → μ+μ− cross sections, each with minimal model dependence. In addition, these results are used to place world-leading constraints on GeV-scale bosons in the two-Higgs-doublet and hidden-valley scenarios. [Figure not available: see fulltext.].",

keywords = "Beyond Standard Model, Exotics, Hadron-Hadron scattering (experiments)",

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 J. Albrecht and F. Alessio and M. Alexander and {Alfonso Albero}, A. and Z. Aliouche 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 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 {Baladron Rodriguez}, P. and V. Balagura and W. Baldini and {Baptista Leite}, J. and Barlow, {R. J.} and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and Basels, {J. M.} and G. Bassi and V. Batozskaya 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. 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 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 L. Bian and Bieker, {M. S.} and S. Bifani and P. Billoir and M. Birch and Bishop, {F. C.R.} 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 Boelhauve, {J. A.} 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 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 M. Brodski and J. Brodzicka and {Brossa Gonzalo}, A. 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 {Calero Diaz}, L. and S. Cali and R. Calladine and M. Calvi and {Calvo Gomez}, M. and {Camargo Magalhaes}, P. and A. Camboni and P. Campana and {Campora Perez}, {D. H.} and {Campoverde Quezada}, {A. F.} 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 {Carvalho Akiba}, K. and {Casais Vidal}, A. and G. Casse and M. Cattaneo and G. Cavallero and S. Celani and R. Cenci and J. Cerasoli and Chadwick, {A. J.} and Chapman, {M. G.} and M. Charles and Ph Charpentier and G. Chatzikonstantinidis and M. Chefdeville and C. Chen and S. Chen and A. Chernov and Chitic, {S. G.} and V. Chobanova and S. Cholak and M. Chrzaszcz and A. Chubykin and V. Chulikov 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. 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 {Cruz Torres}, M. and R. Currie and {Da Silva}, {C. L.} and E. Dall{\textquoteright}Occo and J. Dalseno and C. D{\textquoteright}Ambrosio and A. Danilina and P. d{\textquoteright}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}, D. 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 A. Dendek and X. Denis and V. Denysenko and D. Derkach and O. Deschamps and F. Desse and F. Dettori and B. Dey and {Di Nezza}, P. and S. Didenko and H. Dijkstra and V. Dobishuk and Donohoe, {A. M.} and F. Dordei and M. Dorigo and {dos Reis}, {A. C.} and L. Douglas and A. Dovbnya and Downes, {A. G.} and K. Dreimanis and Dudek, {M. W.} and L. Dufour and P. Durante and Durham, {J. M.} and D. Dutta 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 S. Ek-In and L. Eklund and S. Ely and A. Ene and E. Epple and S. Escher and J. Eschle and S. Esen and T. Evans and A. Falabella and J. Fan and Y. Fan and B. Fang and N. Farley and S. Farry and D. Fazzini and P. Fedin and M. F{\'e}o and {Fernandez Declara}, P. and {Fernandez Prieto}, A. and F. Ferrari and {Ferreira Lopes}, L. and {Ferreira Rodrigues}, F. and {Ferreres Sole}, S. and M. Ferrillo and M. Ferro-Luzzi and S. Filippov and Fini, {R. A.} and M. Fiorini and M. Firlej and Fischer, {K. M.} and C. Fitzpatrick and T. Fiutowski and F. Fleuret and M. Fontana and F. Fontanelli and R. Forty and {Franco Lima}, V. and {Franco Sevilla}, M. and M. Frank and E. Franzoso and G. Frau and C. Frei and Friday, {D. A.} and J. Fu and Q. Fuehring and W. Funk and E. Gabriel and T. Gaintseva and {Gallas Torreira}, A. and D. Galli and S. Gallorini and S. Gambetta and Y. Gan and M. Gandelman and P. Gandini and Y. Gao and M. Garau and {Garcia Martin}, {L. M.} and {Garcia Moreno}, P. and {Garc{\'i}a Pardi{\~n}as}, J. and {Garcia Plana}, B. and {Garcia Rosales}, {F. A.} and L. Garrido and D. Gascon and C. Gaspar and Geertsema, {R. E.} and D. Gerick and Gerken, {L. L.} and E. Gersabeck and M. Gersabeck and T. Gershon and D. Gerstel and Ph Ghez and V. Gibson and A. Giovent{\`u} and {Gironella Gironell}, P. and L. Giubega and C. Giugliano and K. Gizdov and Gligorov, {V. V.} and C. G{\"o}bel and E. Golobardes and D. Golubkov and A. Golutvin and A. Gomes and {Gomez Fernandez}, S. and M. Goncerz and P. Gorbounov and Gorelov, {I. V.} and C. Gotti and E. Govorkova and Grabowski, {J. P.} and {Graciani Diaz}, R. and T. Grammatico and {Granado Cardoso}, {L. A.} and E. Graug{\'e}s and E. Graverini and G. Graziani and A. Grecu and Greeven, {L. M.} and P. Griffith and L. Grillo and L. Gruber and {Gruberg Cazon}, {B. R.} and C. Gu and M. Guarise and G{\"u}nther, {P. A.} and E. Gushchin and A. Guth and Yu Guz and T. Gys and T. Hadavizadeh and G. Haefeli and C. Haen and Haines, {S. C.} and Hamilton, {P. M.} and Q. Han and X. Han and Hancock, {T. H.} and S. Hansmann-Menzemer and N. Harnew and T. Harrison and R. Hart and C. Hasse and M. Hatch and J. He and M. Hecker and K. Heijhoff and K. Heinicke and Hennequin, {A. M.} and K. Hennessy and L. Henry and J. Heuel and A. Hicheur and D. Hill and M. Hilton and Hollitt, {S. E.} and Hopchev, {P. H.} and J. Hu and J. Hu and W. Hu and W. Huang and W. Hulsbergen and Hunter, {R. J.} and M. Hushchyn and D. Hutchcroft and D. Hynds and P. Ibis and M. Idzik and D. Ilin and P. Ilten and A. Inglessi and K. Ivshin and R. Jacobsson and S. Jakobsen and E. Jans and Jashal, {B. K.} and A. Jawahery and V. Jevtic and F. Jiang and M. John and D. Johnson and Jones, {C. 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Lazzari and {Le Gac}, R. and Lee, {S. H.} and R. Lef{\`e}vre and A. Leflat and S. Legotin and O. Leroy and T. Lesiak and B. Leverington and H. Li and L. Li and P. Li and X. Li and Y. Li and Y. Li and Z. Li and X. Liang and T. Lin and R. Lindner and V. Lisovskyi and R. Litvinov and G. Liu and H. Liu and S. Liu and X. Liu and A. Loi and {Lomba Castro}, J. and I. Longstaff and Lopes, {J. H.} and G. Loustau and Lovell, {G. H.} and Y. Lu and D. Lucchesi and S. Luchuk and {Lucio Martinez}, M. and V. Lukashenko and Y. Luo and A. Lupato and E. Luppi and O. Lupton and A. Lusiani and X. Lyu and L. Ma and S. Maccolini and F. Machefert and F. Maciuc and V. Macko and P. Mackowiak and S. Maddrell-Mander and {Madhan Mohan}, {L. R.} and O. Maev and A. Maevskiy and D. Maisuzenko and Majewski, {M. W.} and S. Malde and B. Malecki and A. Malinin and T. Maltsev and H. Malygina and G. Manca and G. Mancinelli and {Manera Escalero}, R. and D. Manuzzi and D. Marangotto and J. Maratas and Marchand, {J. 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Yao and Yeomans, {L. E.} and H. Yin and J. Yu and X. Yuan and O. Yushchenko 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 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 {The Lhcb Collaboration}",

year = "2020",

month = oct,

day = "26",

doi = "10.1007/JHEP10(2020)156",

language = "English",

volume = "2020",

pages = "1--26",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "10",

}

TY - JOUR

T1 - Searches for low-mass dimuon resonances

AU - Aaij, R.

AU - Abellán Beteta, C.

AU - Ackernley, T.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Afsharnia, H.

AU - Aidala, C. A.

AU - Aiola, S.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

AU - Aliouche, Z.

AU - Alkhazov, G.

AU - Alvarez Cartelle, P.

AU - Alves, A. A.

AU - Amato, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreianov, A.

AU - Andreotti, M.

AU - Archilli, F.

AU - Artamonov, A.

AU - Artuso, M.

AU - Arzymatov, K.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bachmann, S.

AU - Bachmayer, M.

AU - Back, J. J.

AU - Baker, S.

AU - Baladron Rodriguez, P.

AU - Balagura, V.

AU - Baldini, W.

AU - Baptista Leite, J.

AU - Barlow, R. J.

AU - Barsuk, S.

AU - Barter, W.

AU - Bartolini, M.

AU - Baryshnikov, F.

AU - Basels, J. M.

AU - Bassi, G.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Battig, A.

AU - Bay, A.

AU - Becker, M.

AU - Bedeschi, F.

AU - Bediaga, I.

AU - Beiter, A.

AU - Belavin, V.

AU - Belin, S.

AU - Bellee, V.

AU - Belous, K.

AU - Belyaev, I.

AU - Bencivenni, G.

AU - Ben-Haim, E.

AU - Berezhnoy, A.

AU - Bernet, R.

AU - Berninghoff, D.

AU - Bernstein, H. C.

AU - Bertella, C.

AU - Bertholet, E.

AU - Bertolin, A.

AU - Betancourt, C.

AU - Betti, F.

AU - Bettler, M. O.

AU - Bezshyiko, Ia

AU - Bhasin, S.

AU - Bhom, J.

AU - Bian, L.

AU - Bieker, M. S.

AU - Bifani, S.

AU - Billoir, P.

AU - Birch, M.

AU - Bishop, F. C.R.

AU - Bizzeti, A.

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AU - Voropaev, N.

AU - Waldi, R.

AU - Walsh, J.

AU - Wang, C.

AU - Wang, J.

AU - Wang, M.

AU - Wang, R.

AU - Wang, Y.

AU - Wang, Z.

AU - Ward, D. R.

AU - Wark, H. M.

AU - Watson, N. K.

AU - Weber, S. G.

AU - Websdale, D.

AU - Weisser, C.

AU - Westhenry, B. D.C.

AU - White, D. J.

AU - Whitehead, M.

AU - Wiedner, D.

AU - Wilkinson, G.

AU - Wilkinson, M.

AU - Williams, I.

AU - Williams, M.

AU - Williams, M. R.J.

AU - Wilson, F. F.

AU - Wislicki, W.

AU - Witek, M.

AU - Witola, L.

AU - Wormser, G.

AU - Wotton, S. A.

AU - Wu, H.

AU - Wyllie, K.

AU - Xiang, Z.

AU - Xiao, D.

AU - Xie, Y.

AU - Xing, H.

AU - Xu, A.

AU - Xu, J.

AU - Xu, L.

AU - Xu, M.

AU - Xu, Q.

AU - Xu, Z.

AU - Yang, D.

AU - Yang, Y.

AU - Yang, Z.

AU - Yao, Y.

AU - Yeomans, L. E.

AU - Yin, H.

AU - Yu, J.

AU - Yuan, X.

AU - Yushchenko, O.

AU - Zarebski, K. A.

AU - Zavertyaev, M.

AU - Zdybal, M.

AU - Zenaiev, O.

AU - Zeng, M.

AU - Zhang, D.

AU - Zhang, L.

AU - Zhang, S.

AU - Zhang, Y.

AU - Zhelezov, A.

AU - Zheng, Y.

AU - Zhou, X.

AU - Zhou, Y.

AU - Zhu, X.

AU - Zhukov, V.

AU - Zonneveld, J. B.

AU - Zucchelli, S.

AU - Zuliani, D.

AU - Zunica, G.

AU - The Lhcb Collaboration

PY - 2020/10/26

Y1 - 2020/10/26

N2 - Searches are performed for a low-mass dimuon resonance, X, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb−1 and collected with the LHCb detector. The X bosons can either decay promptly or displaced from the proton-proton collision, where in both cases the requirements placed on the event and the assumptions made about the production mechanisms are kept as minimal as possible. The searches for promptly decaying X bosons explore the mass range from near the dimuon threshold up to 60 GeV, with nonnegligible X widths considered above 20 GeV. The searches for displaced X → μ+μ− decays consider masses up to 3 GeV. None of the searches finds evidence for a signal and 90% confidence-level exclusion limits are placed on the X → μ+μ− cross sections, each with minimal model dependence. In addition, these results are used to place world-leading constraints on GeV-scale bosons in the two-Higgs-doublet and hidden-valley scenarios. [Figure not available: see fulltext.].

AB - Searches are performed for a low-mass dimuon resonance, X, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb−1 and collected with the LHCb detector. The X bosons can either decay promptly or displaced from the proton-proton collision, where in both cases the requirements placed on the event and the assumptions made about the production mechanisms are kept as minimal as possible. The searches for promptly decaying X bosons explore the mass range from near the dimuon threshold up to 60 GeV, with nonnegligible X widths considered above 20 GeV. The searches for displaced X → μ+μ− decays consider masses up to 3 GeV. None of the searches finds evidence for a signal and 90% confidence-level exclusion limits are placed on the X → μ+μ− cross sections, each with minimal model dependence. In addition, these results are used to place world-leading constraints on GeV-scale bosons in the two-Higgs-doublet and hidden-valley scenarios. [Figure not available: see fulltext.].

KW - Beyond Standard Model

KW - Exotics

KW - Hadron-Hadron scattering (experiments)

UR - http://www.scopus.com/inward/record.url?scp=85094101918&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85094101918&partnerID=8YFLogxK

U2 - 10.1007/JHEP10(2020)156

DO - 10.1007/JHEP10(2020)156

M3 - Article

AN - SCOPUS:85094101918

SN - 1126-6708

VL - 2020

SP - 1

EP - 26

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 10

M1 - 156

ER -

Searches for low-mass dimuon resonances

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