Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980)

V. M. Abazov; B. Abbott; B. S. Acharya; M. Adams; T. Adams; J. P. Agnew; G. D. Alexeev; G. Alkhazov; A. Alton; A. Askew; S. Atkins; K. Augsten; V. Aushev; Y. Aushev; C. Avila; F. Badaud; L. Bagby; B. Baldin; D. V. Bandurin; S. Banerjee; E. Barberis; P. Baringer; J. F. Bartlett; U. Bassler; V. Bazterra; A. Bean; M. Begalli; L. Bellantoni; S. B. Beri; G. Bernardi; R. Bernhard; I. Bertram; M. Besançon; R. Beuselinck; P. C. Bhat; S. Bhatia; V. Bhatnagar; G. Blazey; S. Blessing; K. Bloom; A. Boehnlein; D. Boline; E. E. Boos; G. Borissov; M. Borysova; A. Brandt; O. Brandt; M. Brochmann; R. Brock; S. Desai; (D0 Collaboration)

doi:10.1103/PhysRevD.94.012001

Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980)

V. M. Abazov, B. Abbott, B. S. Acharya, M. Adams, T. Adams, J. P. Agnew, G. D. Alexeev, G. Alkhazov, A. Alton, A. Askew, S. Atkins, K. Augsten, V. Aushev, Y. Aushev, C. Avila, F. Badaud, L. Bagby, B. Baldin, D. V. Bandurin, S. BanerjeeE. Barberis, P. Baringer, J. F. Bartlett, U. Bassler, V. Bazterra, A. Bean, M. Begalli, L. Bellantoni, S. B. Beri, G. Bernardi, R. Bernhard, I. Bertram, M. Besançon, R. Beuselinck, P. C. Bhat, S. Bhatia, V. Bhatnagar, G. Blazey, S. Blessing, K. Bloom, A. Boehnlein, D. Boline, E. E. Boos, G. Borissov, M. Borysova, A. Brandt, O. Brandt, M. Brochmann, R. Brock, S. Desai, (D0 Collaboration)

Physics and Astronomy (Twin Cities)

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Abstract

The lifetime of the Bs0 meson is measured in the decay channel Bs0→J/ψπ+π- with 880≤Mπ+π-≤1080 MeV/c2, which is mainly a CP-odd state and dominated by the f0(980) resonance. In 10.4 fb-1 of data collected with the D0 detector in Run II of the Tevatron, the lifetime of the Bs0 meson is measured to be τ(Bs0)=1.70±0.14(stat)±0.05(syst) ps. Neglecting CP violation in Bs0/Bs0 mixing, the measurement can be translated into the width of the heavy mass eigenstate of the Bs0, ΓH=0.59±0.05(stat)±0.02(syst) ps-1.

Original language	English (US)
Article number	012001
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	94
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.94.012001
State	Published - Jul 6 2016

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© 2016 American Physical Society.

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10.1103/PhysRevD.94.012001

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Abazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., Alexeev, G. D., Alkhazov, G., Alton, A., Askew, A., Atkins, S., Augsten, K., Aushev, V., Aushev, Y., Avila, C., Badaud, F., Bagby, L., Baldin, B., Bandurin, D. V., ... (D0 Collaboration) (2016). Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980). Physical Review D - Particles, Fields, Gravitation and Cosmology, 94(1), Article 012001. https://doi.org/10.1103/PhysRevD.94.012001

Abazov, VM, Abbott, B, Acharya, BS, Adams, M, Adams, T, Agnew, JP, Alexeev, GD, Alkhazov, G, Alton, A, Askew, A, Atkins, S, Augsten, K, Aushev, V, Aushev, Y, Avila, C, Badaud, F, Bagby, L, Baldin, B, Bandurin, DV, Banerjee, S, Barberis, E, Baringer, P, Bartlett, JF, Bassler, U, Bazterra, V, Bean, A, Begalli, M, Bellantoni, L, Beri, SB, Bernardi, G, Bernhard, R, Bertram, I, Besançon, M, Beuselinck, R, Bhat, PC, Bhatia, S, Bhatnagar, V, Blazey, G, Blessing, S, Bloom, K, Boehnlein, A, Boline, D, Boos, EE, Borissov, G, Borysova, M, Brandt, A, Brandt, O, Brochmann, M, Brock, R, Desai, S & (D0 Collaboration) 2016, 'Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980)', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 94, no. 1, 012001. https://doi.org/10.1103/PhysRevD.94.012001

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title = "Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980)",

abstract = "The lifetime of the Bs0 meson is measured in the decay channel Bs0→J/ψπ+π- with 880≤Mπ+π-≤1080 MeV/c2, which is mainly a CP-odd state and dominated by the f0(980) resonance. In 10.4 fb-1 of data collected with the D0 detector in Run II of the Tevatron, the lifetime of the Bs0 meson is measured to be τ(Bs0)=1.70±0.14(stat)±0.05(syst) ps. Neglecting CP violation in Bs0/Bs0 mixing, the measurement can be translated into the width of the heavy mass eigenstate of the Bs0, ΓH=0.59±0.05(stat)±0.02(syst) ps-1.",

author = "Abazov, {V. M.} and B. Abbott and Acharya, {B. S.} and M. Adams and T. Adams and Agnew, {J. P.} and Alexeev, {G. D.} and G. Alkhazov and A. Alton and A. Askew and S. Atkins and K. Augsten and V. Aushev and Y. Aushev and C. Avila and F. Badaud and L. Bagby and B. Baldin and Bandurin, {D. V.} and S. Banerjee and E. Barberis and P. Baringer and Bartlett, {J. F.} and U. Bassler and V. Bazterra and A. Bean and M. Begalli and L. Bellantoni and Beri, {S. B.} and G. Bernardi and R. Bernhard and I. Bertram and M. Besan{\c c}on and R. Beuselinck and Bhat, {P. C.} and S. Bhatia and V. Bhatnagar and G. Blazey and S. Blessing and K. Bloom and A. Boehnlein and D. Boline and Boos, {E. E.} and G. Borissov and M. Borysova and A. Brandt and O. Brandt and M. Brochmann and R. Brock and S. Desai and {(D0 Collaboration)}",

note = "Publisher Copyright: {\textcopyright} 2016 American Physical Society.",

year = "2016",

month = jul,

day = "6",

doi = "10.1103/PhysRevD.94.012001",

language = "English (US)",

volume = "94",

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T1 - Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980)

AU - Abazov, V. M.

AU - Abbott, B.

AU - Acharya, B. S.

AU - Adams, M.

AU - Adams, T.

AU - Agnew, J. P.

AU - Alexeev, G. D.

AU - Alkhazov, G.

AU - Alton, A.

AU - Askew, A.

AU - Atkins, S.

AU - Augsten, K.

AU - Aushev, V.

AU - Aushev, Y.

AU - Avila, C.

AU - Badaud, F.

AU - Bagby, L.

AU - Baldin, B.

AU - Bandurin, D. V.

AU - Banerjee, S.

AU - Barberis, E.

AU - Baringer, P.

AU - Bartlett, J. F.

AU - Bassler, U.

AU - Bazterra, V.

AU - Bean, A.

AU - Begalli, M.

AU - Bellantoni, L.

AU - Beri, S. B.

AU - Bernardi, G.

AU - Bernhard, R.

AU - Bertram, I.

AU - Besançon, M.

AU - Beuselinck, R.

AU - Bhat, P. C.

AU - Bhatia, S.

AU - Bhatnagar, V.

AU - Blazey, G.

AU - Blessing, S.

AU - Bloom, K.

AU - Boehnlein, A.

AU - Boline, D.

AU - Boos, E. E.

AU - Borissov, G.

AU - Borysova, M.

AU - Brandt, A.

AU - Brandt, O.

AU - Brochmann, M.

AU - Brock, R.

AU - Desai, S.

AU - (D0 Collaboration)

PY - 2016/7/6

Y1 - 2016/7/6

N2 - The lifetime of the Bs0 meson is measured in the decay channel Bs0→J/ψπ+π- with 880≤Mπ+π-≤1080 MeV/c2, which is mainly a CP-odd state and dominated by the f0(980) resonance. In 10.4 fb-1 of data collected with the D0 detector in Run II of the Tevatron, the lifetime of the Bs0 meson is measured to be τ(Bs0)=1.70±0.14(stat)±0.05(syst) ps. Neglecting CP violation in Bs0/Bs0 mixing, the measurement can be translated into the width of the heavy mass eigenstate of the Bs0, ΓH=0.59±0.05(stat)±0.02(syst) ps-1.

AB - The lifetime of the Bs0 meson is measured in the decay channel Bs0→J/ψπ+π- with 880≤Mπ+π-≤1080 MeV/c2, which is mainly a CP-odd state and dominated by the f0(980) resonance. In 10.4 fb-1 of data collected with the D0 detector in Run II of the Tevatron, the lifetime of the Bs0 meson is measured to be τ(Bs0)=1.70±0.14(stat)±0.05(syst) ps. Neglecting CP violation in Bs0/Bs0 mixing, the measurement can be translated into the width of the heavy mass eigenstate of the Bs0, ΓH=0.59±0.05(stat)±0.02(syst) ps-1.

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UR - http://www.scopus.com/inward/citedby.url?scp=84978409983&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.94.012001

DO - 10.1103/PhysRevD.94.012001

M3 - Article

AN - SCOPUS:84978409983

SN - 1550-7998

VL - 94

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 1

M1 - 012001

ER -

Bs0 lifetime measurement in the CP -odd decay channel Bs0 →j /ψ f0 (980)

Abstract

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