A measurement of ∆Γ
            s

R. Aaij; A. S.W. Abdelmotteleb; C. Abellan Beteta; F. Abudinén; T. Ackernley; B. Adeva; M. Adinolfi; P. Adlarson; H. Afsharnia; C. Agapopoulou; C. A. Aidala; Z. Ajaltouni; S. Akar; K. Akiba; P. Albicocco; J. Albrecht; F. Alessio; M. Alexander; A. Alfonso Albero; Z. Aliouche; P. Alvarez Cartelle; R. Amalric; S. Amato; J. L. Amey; Y. Amhis; L. An; L. Anderlini; M. Andersson; A. Andreianov; P. Andreola; M. Andreotti; D. Andreou; A. A. Anelli; D. Ao; F. Archilli; S. Arguedas Cuendis; A. Artamonov; M. Artuso; E. Aslanides; M. Atzeni; B. Audurier; D. Bacher; I. Bachiller Perea; S. Bachmann; M. Bachmayer; J. J. Back; A. Bailly-reyre; P. Baladron Rodriguez; V. Balagura; W. Baldini; LHCb collaboration; Carolina da silva Bolognani; Daniel Hugo Cámpora Pérez; Jacco de Vries; Miriam Lucio Martinez; Marcel Merk; Davide Nicotra; Gerco Onderwater; Chris Pawley; Keri Vos; O. Ozcelik

doi:10.1007/JHEP05(2024)253

A measurement of ∆Γ _s

R. Aaij, A. S.W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén, T. Ackernley, B. Adeva, M. Adinolfi, P. Adlarson, H. Afsharnia, C. Agapopoulou, C. A. Aidala, Z. Ajaltouni, S. Akar, K. Akiba, P. Albicocco, J. Albrecht, F. Alessio, M. Alexander, A. Alfonso Albero, Z. AlioucheP. Alvarez Cartelle, R. Amalric, S. Amato, J. L. Amey, Y. Amhis, L. An, L. Anderlini, M. Andersson, A. Andreianov, P. Andreola, M. Andreotti, D. Andreou, A. A. Anelli, D. Ao, F. Archilli, S. Arguedas Cuendis, A. Artamonov, M. Artuso, E. Aslanides, M. Atzeni, B. Audurier, D. Bacher, I. Bachiller Perea, S. Bachmann, M. Bachmayer, J. J. Back, A. Bailly-reyre, P. Baladron Rodriguez, V. Balagura, W. Baldini, LHCb collaboration, Carolina da silva Bolognani, Daniel Hugo Cámpora Pérez, Jacco de Vries, Miriam Lucio Martinez, Marcel Merk, Davide Nicotra, Gerco Onderwater, Chris Pawley, Keri Vos, O. Ozcelik^*

^*Corresponding author for this work

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

Abstract

Using a dataset corresponding to 9 fb ⁻¹ of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes B _s ⁰→J/ψη ^′ and B _s ⁰→J/ψπ ⁺π ⁻ are studied. The decay-width difference between the light and heavy mass eigenstates of the B _s ⁰ meson is measured to be ∆Γ _s = 0.087 ± 0.012 ± 0.009 ps ⁻¹, where the first uncertainty is statistical and the second systematic.

Original language	English
Article number	253
Journal	Journal of High Energy Physics
Volume	2024
Issue number	5
DOIs	https://doi.org/10.1007/JHEP05(2024)253
Publication status	Published - 1 May 2024

Keywords

B Physics
CP Violation
Flavour Physics
Hadron-Hadron Scattering

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Aaij, R., Abdelmotteleb, A. S. W., Abellan Beteta, C., Abudinén, F., Ackernley, T., Adeva, B., Adinolfi, M., Adlarson, P., Afsharnia, H., Agapopoulou, C., Aidala, C. A., Ajaltouni, Z., Akar, S., Akiba, K., Albicocco, P., Albrecht, J., Alessio, F., Alexander, M., Alfonso Albero, A., ... Ozcelik, O. (2024). A measurement of ∆Γ _s. Journal of High Energy Physics, 2024(5), Article 253. https://doi.org/10.1007/JHEP05(2024)253

@article{6bef818214c440feb69496fdc5766524,

title = "A measurement of ∆Γ s",

abstract = "Using a dataset corresponding to 9 fb −1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes B s 0→J/ψη ′ and B s 0→J/ψπ +π − are studied. The decay-width difference between the light and heavy mass eigenstates of the B s 0 meson is measured to be ∆Γ s = 0.087 ± 0.012 ± 0.009 ps −1, where the first uncertainty is statistical and the second systematic.",

keywords = "B Physics, CP Violation, Flavour Physics, Hadron-Hadron Scattering",

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 P. Adlarson and H. Afsharnia and C. Agapopoulou and Aidala, {C. A.} and Z. Ajaltouni and S. Akar and K. Akiba and P. Albicocco 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 P. Andreola and M. Andreotti and D. Andreou and Anelli, {A. A.} and D. Ao and F. Archilli and {Arguedas Cuendis}, S. and A. Artamonov and M. Artuso and E. Aslanides and M. Atzeni and B. Audurier and D. Bacher and {Bachiller Perea}, I. 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 {LHCb collaboration} and {da silva Bolognani}, Carolina and {C{\'a}mpora P{\'e}rez}, {Daniel Hugo} and {de Vries}, Jacco and {Lucio Martinez}, Miriam and Marcel Merk and Davide Nicotra and Gerco Onderwater and Chris Pawley and Keri Vos and O. Ozcelik",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2024.",

year = "2024",

month = may,

day = "1",

doi = "10.1007/JHEP05(2024)253",

language = "English",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer Verlag",

number = "5",

}

Aaij, R, Abdelmotteleb, ASW, Abellan Beteta, C, Abudinén, F, Ackernley, T, Adeva, B, Adinolfi, M, Adlarson, P, Afsharnia, H, Agapopoulou, C, Aidala, CA, Ajaltouni, Z, Akar, S, Akiba, K, Albicocco, P, Albrecht, J, Alessio, F, Alexander, M, Alfonso Albero, A, Aliouche, Z, Alvarez Cartelle, P, Amalric, R, Amato, S, Amey, JL, Amhis, Y, An, L, Anderlini, L, Andersson, M, Andreianov, A, Andreola, P, Andreotti, M, Andreou, D, Anelli, AA, Ao, D, Archilli, F, Arguedas Cuendis, S, Artamonov, A, Artuso, M, Aslanides, E, Atzeni, M, Audurier, B, Bacher, D, Bachiller Perea, I, Bachmann, S, Bachmayer, M, Back, JJ, Bailly-reyre, A, Baladron Rodriguez, P, Balagura, V, Baldini, W, LHCb collaboration, da silva Bolognani, C, Cámpora Pérez, DH, de Vries, J , Lucio Martinez, M , Merk, M , Nicotra, D , Onderwater, G , Pawley, C , Vos, K & Ozcelik, O 2024, 'A measurement of ∆Γ _s', Journal of High Energy Physics, vol. 2024, no. 5, 253. https://doi.org/10.1007/JHEP05(2024)253

TY - JOUR

T1 - A measurement of ∆Γ s

AU - Aaij, R.

AU - Abdelmotteleb, A. S.W.

AU - Abellan Beteta, C.

AU - Abudinén, F.

AU - Ackernley, T.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Adlarson, P.

AU - Afsharnia, H.

AU - Agapopoulou, C.

AU - Aidala, C. A.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Akiba, K.

AU - Albicocco, P.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

AU - Aliouche, Z.

AU - Alvarez Cartelle, P.

AU - Amalric, R.

AU - Amato, S.

AU - Amey, J. L.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andersson, M.

AU - Andreianov, A.

AU - Andreola, P.

AU - Andreotti, M.

AU - Andreou, D.

AU - Anelli, A. A.

AU - Ao, D.

AU - Archilli, F.

AU - Arguedas Cuendis, S.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bacher, D.

AU - Bachiller Perea, I.

AU - Bachmann, S.

AU - Bachmayer, M.

AU - Back, J. J.

AU - Bailly-reyre, A.

AU - Baladron Rodriguez, P.

AU - Balagura, V.

AU - Baldini, W.

AU - LHCb collaboration

AU - da silva Bolognani, Carolina

AU - Cámpora Pérez, Daniel Hugo

AU - de Vries, Jacco

AU - Lucio Martinez, Miriam

AU - Merk, Marcel

AU - Nicotra, Davide

AU - Onderwater, Gerco

AU - Pawley, Chris

AU - Vos, Keri

AU - Ozcelik, O.

PY - 2024/5/1

Y1 - 2024/5/1

N2 - Using a dataset corresponding to 9 fb −1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes B s 0→J/ψη ′ and B s 0→J/ψπ +π − are studied. The decay-width difference between the light and heavy mass eigenstates of the B s 0 meson is measured to be ∆Γ s = 0.087 ± 0.012 ± 0.009 ps −1, where the first uncertainty is statistical and the second systematic.

AB - Using a dataset corresponding to 9 fb −1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes B s 0→J/ψη ′ and B s 0→J/ψπ +π − are studied. The decay-width difference between the light and heavy mass eigenstates of the B s 0 meson is measured to be ∆Γ s = 0.087 ± 0.012 ± 0.009 ps −1, where the first uncertainty is statistical and the second systematic.

KW - B Physics

KW - CP Violation

KW - Flavour Physics

KW - Hadron-Hadron Scattering

U2 - 10.1007/JHEP05(2024)253

DO - 10.1007/JHEP05(2024)253

M3 - Article

SN - 1029-8479

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 5

M1 - 253

ER -

A measurement of ∆Γ s

Abstract

Keywords

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A measurement of ∆Γ _s