Standard

Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions. / The LHCb Collaboration.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 797, 134789, 10.10.2019.

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

Harvard

The LHCb Collaboration 2019, 'Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 797, 134789. https://doi.org/10.1016/j.physletb.2019.07.036

APA

The LHCb Collaboration (2019). Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 797, [134789]. https://doi.org/10.1016/j.physletb.2019.07.036

Vancouver

The LHCb Collaboration. Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2019 Oct 10;797:134789. doi: 10.1016/j.physletb.2019.07.036

Author

The LHCb Collaboration. / Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2019 ; Vol. 797.

BibTeX

@article{9293dbaf343444c9824218030ef7fc27,
title = "Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions",
abstract = "Decays of Bs 0 and B‾0 s mesons into J/ψπ+π− final states are studied in a data sample corresponding to 1.9 fb−1 of integrated luminosity collected with the LHCb detector in 13 TeV pp collisions. A time-dependent amplitude analysis is used to determine the final-state resonance contributions, the CP-violating phase ϕs=−0.057±0.060±0.011 rad, the decay-width difference between the heavier mass Bs 0 eigenstate and the B0 meson of −0.050±0.004±0.004 ps−1, and the CP-violating parameter |λ|=1.01−0.06 +0.08±0.03, where the first uncertainty is statistical and the second systematic. These results are combined with previous LHCb measurements in the same decay channel using 7 TeV and 8 TeV pp collisions obtaining ϕs=0.002±0.044±0.012 rad, and |λ|=0.949±0.036±0.019.",
keywords = "(B)OVER-BAR(S)(0), DISTRIBUTIONS, TOOL, B-0",
author = "{The LHCb Collaboration} and R. Aaij and {Abell{\'a}n Beteta}, C. and B. Adeva and M. Adinolfi and Aidala, {C. A.} 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 Andrews, {J. E.} 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 Barrand, {G. C.} and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and V. Batozskaya and A. Bondar and S. Eidelman and P. Krokovny and V. Kudryavtsev and T. Maltsev and L. Shekhtman and V. Vorobyev",
note = "Publisher Copyright: {\textcopyright} 2019 The Author",
year = "2019",
month = oct,
day = "10",
doi = "10.1016/j.physletb.2019.07.036",
language = "English",
volume = "797",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Measurement of the CP-violating phase ϕs from Bs 0→J/ψπ+π− decays in 13 TeV pp collisions

AU - The LHCb Collaboration

AU - Aaij, R.

AU - Abellán Beteta, C.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Aidala, C. A.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albicocco, P.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

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 - Andreotti, M.

AU - Andrews, J. E.

AU - Archilli, F.

AU - Arnau Romeu, J.

AU - Artamonov, A.

AU - Artuso, M.

AU - Arzymatov, K.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bachmann, S.

AU - Back, J. J.

AU - Baker, S.

AU - Balagura, V.

AU - Baldini, W.

AU - Baranov, A.

AU - Barlow, R. J.

AU - Barrand, G. C.

AU - Barsuk, S.

AU - Barter, W.

AU - Bartolini, M.

AU - Baryshnikov, F.

AU - Batozskaya, V.

AU - Bondar, A.

AU - Eidelman, S.

AU - Krokovny, P.

AU - Kudryavtsev, V.

AU - Maltsev, T.

AU - Shekhtman, L.

AU - Vorobyev, V.

N1 - Publisher Copyright: © 2019 The Author

PY - 2019/10/10

Y1 - 2019/10/10

N2 - Decays of Bs 0 and B‾0 s mesons into J/ψπ+π− final states are studied in a data sample corresponding to 1.9 fb−1 of integrated luminosity collected with the LHCb detector in 13 TeV pp collisions. A time-dependent amplitude analysis is used to determine the final-state resonance contributions, the CP-violating phase ϕs=−0.057±0.060±0.011 rad, the decay-width difference between the heavier mass Bs 0 eigenstate and the B0 meson of −0.050±0.004±0.004 ps−1, and the CP-violating parameter |λ|=1.01−0.06 +0.08±0.03, where the first uncertainty is statistical and the second systematic. These results are combined with previous LHCb measurements in the same decay channel using 7 TeV and 8 TeV pp collisions obtaining ϕs=0.002±0.044±0.012 rad, and |λ|=0.949±0.036±0.019.

AB - Decays of Bs 0 and B‾0 s mesons into J/ψπ+π− final states are studied in a data sample corresponding to 1.9 fb−1 of integrated luminosity collected with the LHCb detector in 13 TeV pp collisions. A time-dependent amplitude analysis is used to determine the final-state resonance contributions, the CP-violating phase ϕs=−0.057±0.060±0.011 rad, the decay-width difference between the heavier mass Bs 0 eigenstate and the B0 meson of −0.050±0.004±0.004 ps−1, and the CP-violating parameter |λ|=1.01−0.06 +0.08±0.03, where the first uncertainty is statistical and the second systematic. These results are combined with previous LHCb measurements in the same decay channel using 7 TeV and 8 TeV pp collisions obtaining ϕs=0.002±0.044±0.012 rad, and |λ|=0.949±0.036±0.019.

KW - (B)OVER-BAR(S)(0)

KW - DISTRIBUTIONS

KW - TOOL

KW - B-0

UR - http://www.scopus.com/inward/record.url?scp=85069654122&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2019.07.036

DO - 10.1016/j.physletb.2019.07.036

M3 - Article

AN - SCOPUS:85069654122

VL - 797

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

M1 - 134789

ER -

ID: 23378709