Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al.

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; I. Boyko; 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; H. Y. Chen; J. C. Chen; M. L. Chen; S. J. Chen; X. Chen; X. R. Chen; Y. B. Chen; H. P. Cheng; X. K. Chu; G. Cibinetto; H. L. Dai; J. P. Dai; A. Dbeyssi; D. Dedovich; Z. Y. Deng; A. Denig; I. Denysenko; H. Muramatsu; R. Poling; (BESIII Collaboration)

doi:10.1103/PhysRevD.93.011102

Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al.

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, I. BoykoR. 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, H. Y. Chen, J. C. Chen, M. L. Chen, S. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, H. P. Cheng, X. K. Chu, G. Cibinetto, H. L. Dai, J. P. Dai, A. Dbeyssi, D. Dedovich, Z. Y. Deng, A. Denig, I. Denysenko, H. Muramatsu, R. Poling, (BESIII Collaboration)

Physics and Astronomy (Twin Cities)

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

58 Scopus citations

Abstract

Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s>4.4 GeV, the processes e+e-→ωχc1,2 are observed for the first time. With an integrated luminosity of 1074 pb-1 near s=4.42 GeV, a significant ωχc2 signal is found, and the cross section is measured to be (20.9±3.2±2.5) pb. With 567 pb-1 near s=4.6 GeV, a clear ωχc1 signal is seen, and the cross section is measured to be (9.5±2.1±1.3) pb, while evidence is found for an ωχc2 signal. The first errors are statistical, and the second are systematic. Due to low luminosity or low cross section at other energies, no significant signals are observed. In the ωχc2 cross section, an enhancement is seen around s=4.42 GeV. Fitting the cross section with a coherent sum of the ψ(4415) Breit-Wigner function and a phase-space term, the branching fraction B(ψ(4415)→ωχc2) is obtained to be of the order of 10-3.

Original language	English (US)
Article number	011102
Journal	Physical Review D
Volume	93
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.93.011102
State	Published - Jan 14 2016

Bibliographical note

Publisher Copyright:
© 2016 American Physical Society.

Publisher link

10.1103/PhysRevD.93.011102

Find It

Find It at U of M Libraries

Cite this

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., Baldini Ferroli, R., Ban, Y., Bennett, D. W., Bennett, J. V., Bertani, M., Bettoni, D., Bian, J. M., Bianchi, F., Boger, E., ... (BESIII Collaboration) (2016). Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al. Physical Review D, 93(1), [011102]. https://doi.org/10.1103/PhysRevD.93.011102

Ablikim, M, Achasov, MN, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Amoroso, A, An, FF, An, Q, Bai, JZ, Baldini Ferroli, R, Ban, Y, Bennett, DW, Bennett, JV, Bertani, M, Bettoni, D, Bian, JM, Bianchi, F, Boger, E, Boyko, I, Briere, RA, Cai, H, Cai, X, Cakir, O, Calcaterra, A, Cao, GF, Cetin, SA, Chang, JF, Chelkov, G, Chen, G, Chen, HS, Chen, HY, Chen, JC, Chen, ML, Chen, SJ, Chen, X, Chen, XR, Chen, YB, Cheng, HP, Chu, XK, Cibinetto, G, Dai, HL, Dai, JP, Dbeyssi, A, Dedovich, D, Deng, ZY, Denig, A, Denysenko, I, Muramatsu, H, Poling, R & (BESIII Collaboration) 2016, 'Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al.', Physical Review D, vol. 93, no. 1, 011102. https://doi.org/10.1103/PhysRevD.93.011102

@article{073fa7e34b2d4972959472bc27935217,

title = "Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al.",

abstract = "Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s>4.4 GeV, the processes e+e-→ωχc1,2 are observed for the first time. With an integrated luminosity of 1074 pb-1 near s=4.42 GeV, a significant ωχc2 signal is found, and the cross section is measured to be (20.9±3.2±2.5) pb. With 567 pb-1 near s=4.6 GeV, a clear ωχc1 signal is seen, and the cross section is measured to be (9.5±2.1±1.3) pb, while evidence is found for an ωχc2 signal. The first errors are statistical, and the second are systematic. Due to low luminosity or low cross section at other energies, no significant signals are observed. In the ωχc2 cross section, an enhancement is seen around s=4.42 GeV. Fitting the cross section with a coherent sum of the ψ(4415) Breit-Wigner function and a phase-space term, the branching fraction B(ψ(4415)→ωχc2) is obtained to be of the order of 10-3.",

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 {Baldini Ferroli}, R. 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 I. Boyko 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, {H. Y.} 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 G. Cibinetto and Dai, {H. L.} and Dai, {J. P.} and A. Dbeyssi and D. Dedovich and Deng, {Z. Y.} and A. Denig and I. Denysenko and H. Muramatsu and R. Poling and {(BESIII Collaboration)}",

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

year = "2016",

month = jan,

day = "14",

doi = "10.1103/PhysRevD.93.011102",

language = "English (US)",

volume = "93",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "1",

}

TY - JOUR

T1 - Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al.

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 - Baldini Ferroli, R.

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 - Boyko, I.

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, H. Y.

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 - Cibinetto, G.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dbeyssi, A.

AU - Dedovich, D.

AU - Deng, Z. Y.

AU - Denig, A.

AU - Denysenko, I.

AU - Muramatsu, H.

AU - Poling, R.

AU - (BESIII Collaboration)

PY - 2016/1/14

Y1 - 2016/1/14

N2 - Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s>4.4 GeV, the processes e+e-→ωχc1,2 are observed for the first time. With an integrated luminosity of 1074 pb-1 near s=4.42 GeV, a significant ωχc2 signal is found, and the cross section is measured to be (20.9±3.2±2.5) pb. With 567 pb-1 near s=4.6 GeV, a clear ωχc1 signal is seen, and the cross section is measured to be (9.5±2.1±1.3) pb, while evidence is found for an ωχc2 signal. The first errors are statistical, and the second are systematic. Due to low luminosity or low cross section at other energies, no significant signals are observed. In the ωχc2 cross section, an enhancement is seen around s=4.42 GeV. Fitting the cross section with a coherent sum of the ψ(4415) Breit-Wigner function and a phase-space term, the branching fraction B(ψ(4415)→ωχc2) is obtained to be of the order of 10-3.

AB - Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s>4.4 GeV, the processes e+e-→ωχc1,2 are observed for the first time. With an integrated luminosity of 1074 pb-1 near s=4.42 GeV, a significant ωχc2 signal is found, and the cross section is measured to be (20.9±3.2±2.5) pb. With 567 pb-1 near s=4.6 GeV, a clear ωχc1 signal is seen, and the cross section is measured to be (9.5±2.1±1.3) pb, while evidence is found for an ωχc2 signal. The first errors are statistical, and the second are systematic. Due to low luminosity or low cross section at other energies, no significant signals are observed. In the ωχc2 cross section, an enhancement is seen around s=4.42 GeV. Fitting the cross section with a coherent sum of the ψ(4415) Breit-Wigner function and a phase-space term, the branching fraction B(ψ(4415)→ωχc2) is obtained to be of the order of 10-3.

UR - http://www.scopus.com/inward/record.url?scp=84955308061&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84955308061&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.93.011102

DO - 10.1103/PhysRevD.93.011102

M3 - Article

AN - SCOPUS:84955308061

SN - 2470-0010

VL - 93

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 011102

ER -

Observation of e+e- →ωχc1,2 near s =4.42 and 4.6 GeV OBSERVATION of ... M. ABLIKIM et al.

Abstract

Bibliographical note

Publisher link

Find It

Other files and links

Fingerprint

Cite this