Search for C-parity violation in J/psi -> gamma gamma and gamma phi

M. Ablikim; M. N. Achasov; X. C. Ai; O. Albayrak; M. Albrecht; D. J. Ambrose; A. Amoroso; F. F. An; Q. An; J. Z. Bai; R. Baldini Ferroli; Y. Ban; D. W. Bennett; J. V. Bennett; M. Bertani; D. Bettoni; J. M. Bian; F. Bianchi; E. Boger; O. Bondarenko; I. Boyko; S. Braun; R. A. Briere; H. Cai; X. Cai; O. Cakir; A. Calcaterra; G. F. Cao; S. A. Cetin; J. F. Chang; G. Chelkov; G. Chen; H. S. Chen; J. C. Chen; M. L. Chen; S. J. Chen; X. Chen; X. R. Chen; Y. B. Chen; H. P. Cheng; X. K. Chu; Y. P. Chu; G. Cibinetto; Z. Haddadi; N. Kalantar-Nayestanaki; M. Kavatsyuk; H. Loehner; J. G. Messchendorp; H. Moeini; M. Tiemens; BESIII Collaboration

doi:10.1103/PhysRevD.90.092002

Search for C-parity violation in J/psi -> gamma gamma and gamma phi

M. Ablikim, M. N. Achasov, X. C. Ai, O. Albayrak, M. Albrecht, D. J. Ambrose, A. Amoroso, F. F. An, Q. An, J. Z. Bai, R. Baldini Ferroli, Y. Ban, D. W. Bennett, J. V. Bennett, M. Bertani, D. Bettoni, J. M. Bian, F. Bianchi, E. Boger, O. BondarenkoI. Boyko, S. Braun, R. A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G. F. Cao, S. A. Cetin, J. F. Chang, G. Chelkov, G. Chen, H. S. Chen, J. C. Chen, M. L. Chen, S. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, H. P. Cheng, X. K. Chu, Y. P. Chu, G. Cibinetto, Z. Haddadi, N. Kalantar-Nayestanaki, M. Kavatsyuk, H. Loehner, J. G. Messchendorp, H. Moeini, M. Tiemens, BESIII Collaboration

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Using 1.06 x 10(8) psi(3686) events recorded in e(+)e(-) collisions at root s = 3.686 GeV with the BESIII at the BEPCII collider, we present searches for C-parity violation in J/psi -> gamma gamma and gamma phi decays via psi(3686) -> J/psi pi(+)pi(-). No significant signals are observed in either channel. Upper limits on the branching fractions are set to be B(J/psi -> gamma gamma) <2.7 x 10(-7) and B(J/psi -> gamma phi) <1.4 x 10(-6) at the 90% confidence level. The former is one order of magnitude more stringent than the previous upper limit, and the latter represents the first limit on this decay channel.

Originele taal-2	English
Artikelnummer	092002
Aantal pagina's	7
Tijdschrift	Physical Review D
Volume	90
Nummer van het tijdschrift	9
DOI's	https://doi.org/10.1103/PhysRevD.90.092002
Status	Published - 3-nov.-2014

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Ablikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Ferroli, R. B., Ban, Y., Bennett, D. W., Bennett, J. V., Bertani, M., Bettoni, D., Bian, J. M., Bianchi, F., Boger, E., ... BESIII Collaboration (2014). Search for C-parity violation in J/psi -> gamma gamma and gamma phi. Physical Review D, 90(9), Artikel 092002. https://doi.org/10.1103/PhysRevD.90.092002

@article{876027cddc3241ff8af0ce4a4687159f,

title = "Search for C-parity violation in J/psi -> gamma gamma and gamma phi",

abstract = "Using 1.06 x 10(8) psi(3686) events recorded in e(+)e(-) collisions at root s = 3.686 GeV with the BESIII at the BEPCII collider, we present searches for C-parity violation in J/psi -> gamma gamma and gamma phi decays via psi(3686) -> J/psi pi(+)pi(-). No significant signals are observed in either channel. Upper limits on the branching fractions are set to be B(J/psi -> gamma gamma) <2.7 x 10(-7) and B(J/psi -> gamma phi) <1.4 x 10(-6) at the 90% confidence level. The former is one order of magnitude more stringent than the previous upper limit, and the latter represents the first limit on this decay channel.",

keywords = "PARTICLE",

author = "M. Ablikim and Achasov, {M. N.} and Ai, {X. C.} and O. Albayrak and M. Albrecht and Ambrose, {D. J.} and A. Amoroso and An, {F. F.} and Q. An and Bai, {J. Z.} and Ferroli, {R. Baldini} and Y. Ban and Bennett, {D. W.} and Bennett, {J. V.} and M. Bertani and D. Bettoni and Bian, {J. M.} and F. Bianchi and E. Boger and O. Bondarenko and I. Boyko and S. Braun and Briere, {R. A.} and H. Cai and X. Cai and O. Cakir and A. Calcaterra and Cao, {G. F.} and Cetin, {S. A.} and Chang, {J. F.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {J. C.} and Chen, {M. L.} and Chen, {S. J.} and X. Chen and Chen, {X. R.} and Chen, {Y. B.} and Cheng, {H. P.} and Chu, {X. K.} and Chu, {Y. P.} and G. Cibinetto and Z. Haddadi and N. Kalantar-Nayestanaki and M. Kavatsyuk and H. Loehner and Messchendorp, {J. G.} and H. Moeini and M. Tiemens and {BESIII Collaboration}",

year = "2014",

month = nov,

day = "3",

doi = "10.1103/PhysRevD.90.092002",

language = "English",

volume = "90",

journal = "Physical Review D",

issn = "1550-7998",

publisher = "AMER PHYSICAL SOC",

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Ablikim, M, Achasov, MN, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Amoroso, A, An, FF, An, Q, Bai, JZ, Ferroli, RB, Ban, Y, Bennett, DW, Bennett, JV, Bertani, M, Bettoni, D, Bian, JM, Bianchi, F, Boger, E, Bondarenko, O, Boyko, I, Braun, S, Briere, RA, Cai, H, Cai, X, Cakir, O, Calcaterra, A, Cao, GF, Cetin, SA, Chang, JF, Chelkov, G, Chen, G, Chen, HS, Chen, JC, Chen, ML, Chen, SJ, Chen, X, Chen, XR, Chen, YB, Cheng, HP, Chu, XK, Chu, YP, Cibinetto, G, Haddadi, Z, Kalantar-Nayestanaki, N , Kavatsyuk, M, Loehner, H, Messchendorp, JG, Moeini, H, Tiemens, M & BESIII Collaboration 2014, 'Search for C-parity violation in J/psi -> gamma gamma and gamma phi', Physical Review D, vol. 90, nr. 9, 092002. https://doi.org/10.1103/PhysRevD.90.092002

TY - JOUR

T1 - Search for C-parity violation in J/psi -> gamma gamma and gamma phi

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ai, X. C.

AU - Albayrak, O.

AU - Albrecht, M.

AU - Ambrose, D. J.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Ferroli, R. Baldini

AU - Ban, Y.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bian, J. M.

AU - Bianchi, F.

AU - Boger, E.

AU - Bondarenko, O.

AU - Boyko, I.

AU - Braun, S.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Cakir, O.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, S. J.

AU - Chen, X.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Cheng, H. P.

AU - Chu, X. K.

AU - Chu, Y. P.

AU - Cibinetto, G.

AU - Haddadi, Z.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Loehner, H.

AU - Messchendorp, J. G.

AU - Moeini, H.

AU - Tiemens, M.

AU - BESIII Collaboration

PY - 2014/11/3

Y1 - 2014/11/3

N2 - Using 1.06 x 10(8) psi(3686) events recorded in e(+)e(-) collisions at root s = 3.686 GeV with the BESIII at the BEPCII collider, we present searches for C-parity violation in J/psi -> gamma gamma and gamma phi decays via psi(3686) -> J/psi pi(+)pi(-). No significant signals are observed in either channel. Upper limits on the branching fractions are set to be B(J/psi -> gamma gamma) <2.7 x 10(-7) and B(J/psi -> gamma phi) <1.4 x 10(-6) at the 90% confidence level. The former is one order of magnitude more stringent than the previous upper limit, and the latter represents the first limit on this decay channel.

AB - Using 1.06 x 10(8) psi(3686) events recorded in e(+)e(-) collisions at root s = 3.686 GeV with the BESIII at the BEPCII collider, we present searches for C-parity violation in J/psi -> gamma gamma and gamma phi decays via psi(3686) -> J/psi pi(+)pi(-). No significant signals are observed in either channel. Upper limits on the branching fractions are set to be B(J/psi -> gamma gamma) <2.7 x 10(-7) and B(J/psi -> gamma phi) <1.4 x 10(-6) at the 90% confidence level. The former is one order of magnitude more stringent than the previous upper limit, and the latter represents the first limit on this decay channel.

KW - PARTICLE

U2 - 10.1103/PhysRevD.90.092002

DO - 10.1103/PhysRevD.90.092002

M3 - Article

SN - 1550-7998

VL - 90

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 092002

ER -

Search for C-parity violation in J/psi -> gamma gamma and gamma phi

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