Measurements of baryon pair decays of chi(cJ) mesons

M. Ablikim; M. N. Achasov; O. Albayrak; D. J. Ambrose; F. F. An; Q. An; J. Z. Bai; Y. Ban; J. Becker; J. V. Bennett; M. Bertani; J. M. Bian; E. Boger; O. Bondarenko; I. Boyko; R. A. Briere; V. Bytev; 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; Y.B. Chen; H. P. Cheng; Y. P. Chu; D. Cronin-Hennessy; H. L. Dai; J.P. Dai; D. Dedovich; Z. Y. Deng; A. Denig; I. Denysenko; M. Destefanis; W. M. Ding; Y. Ding; L. Y. Dong; M. Y. Dong; S. X. Du; N. Kalantar-Nayestanaki; M. Kavatsyuk; H. Loehner; J. G. Messchendorp; BESIII Collaboration

doi:10.1103/PhysRevD.87.032007

Measurements of baryon pair decays of chi(cJ) mesons

M. Ablikim^*, M. N. Achasov, O. Albayrak, D. J. Ambrose, F. F. An, Q. An, J. Z. Bai, Y. Ban, J. Becker, J. V. Bennett, M. Bertani, J. M. Bian, E. Boger, O. Bondarenko, I. Boyko, R. A. Briere, V. Bytev, X. Cai, O. Cakir, A. CalcaterraG. 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, Y.B. Chen, H. P. Cheng, Y. P. Chu, D. Cronin-Hennessy, H. L. Dai, J.P. Dai, D. Dedovich, Z. Y. Deng, A. Denig, I. Denysenko, M. Destefanis, W. M. Ding, Y. Ding, L. Y. Dong, M. Y. Dong, S. X. Du, N. Kalantar-Nayestanaki, M. Kavatsyuk, H. Loehner, J. G. Messchendorp, BESIII Collaboration

^*Corresponding author for this work

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

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Abstract

Using 106 x 10(6) psi' decays collected with the BESIII detector at the BEPCII, three decays of chi(cJ) (J = 0, 1, 2) with baryon pairs (Lambda(Lambda) over bar, Sigma(0)(Sigma) over bar (0),Sigma(+)(Sigma) over bar (-)) in the final state have been studied. The branching fractions are measured to be B(chi(c0,1,2) -> Lambda(Lambda) over bar) = (33.3 +/- 2.0 +/- 2.6) x 10(-5), (12.2 +/- 1.1 +/- 1.1) x 10(-5), (20.8 +/- 1.6 +/- 2.3) x 10(-5), B(chi(c0,1,2) -> Sigma(0)(Sigma) over bar (0)) = (47.8 +/- 3.4 +/- 3.9) x 10(-5), (3.8 +/- 1.0 +/- 0.5) x 10(-5), (4.0 +/- 1.1 +/- 0.5) x 10(-5), and B(chi(c0,1,2) -> Sigma(+)(Sigma) over bar (-)) = (45.4 +/- 4.2 +/- 3.0) x 10(-5), (5.4 +/- 1.5 +/- 0.5) x 10(-5), (4.9 +/- 1.9 +/- 0.7) x 10(-5), where the first error is statistical and the second is systematic. Upper limits on the branching fractions for the decays of chi(c1,2) -> Sigma(0)(Sigma) over bar (0), Sigma(+)(Sigma) over bar (-) are estimated to be B(chi(c1) -> Sigma(0)(Sigma) over bar (0)) 6.2 x 10(-5), B(chi(c2) -> Sigma(0) Sigma(+) Sigma(+)

Original language	English
Article number	032007
Number of pages	9
Journal	Physical Review D
Volume	87
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.87.032007
Publication status	Published - 15-Feb-2013

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Measurements of baryon pair decays of χ c J mesons
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Ablikim, M., Achasov, M. N., Albayrak, O., Ambrose, D. J., An, F. F., An, Q., Bai, J. Z., Ban, Y., Becker, J., Bennett, J. V., Bertani, M., Bian, J. M., Boger, E., Bondarenko, O., Boyko, I., Briere, R. A., Bytev, V., Cai, X., Cakir, O., ... BESIII Collaboration (2013). Measurements of baryon pair decays of chi(cJ) mesons. Physical Review D, 87(3), Article 032007. https://doi.org/10.1103/PhysRevD.87.032007

@article{38cc6ec958ba470fa7ff13b9e2dc8d1f,

title = "Measurements of baryon pair decays of chi(cJ) mesons",

abstract = "Using 106 x 10(6) psi' decays collected with the BESIII detector at the BEPCII, three decays of chi(cJ) (J = 0, 1, 2) with baryon pairs (Lambda(Lambda) over bar, Sigma(0)(Sigma) over bar (0),Sigma(+)(Sigma) over bar (-)) in the final state have been studied. The branching fractions are measured to be B(chi(c0,1,2) -> Lambda(Lambda) over bar) = (33.3 +/- 2.0 +/- 2.6) x 10(-5), (12.2 +/- 1.1 +/- 1.1) x 10(-5), (20.8 +/- 1.6 +/- 2.3) x 10(-5), B(chi(c0,1,2) -> Sigma(0)(Sigma) over bar (0)) = (47.8 +/- 3.4 +/- 3.9) x 10(-5), (3.8 +/- 1.0 +/- 0.5) x 10(-5), (4.0 +/- 1.1 +/- 0.5) x 10(-5), and B(chi(c0,1,2) -> Sigma(+)(Sigma) over bar (-)) = (45.4 +/- 4.2 +/- 3.0) x 10(-5), (5.4 +/- 1.5 +/- 0.5) x 10(-5), (4.9 +/- 1.9 +/- 0.7) x 10(-5), where the first error is statistical and the second is systematic. Upper limits on the branching fractions for the decays of chi(c1,2) -> Sigma(0)(Sigma) over bar (0), Sigma(+)(Sigma) over bar (-) are estimated to be B(chi(c1) -> Sigma(0)(Sigma) over bar (0)) 6.2 x 10(-5), B(chi(c2) -> Sigma(0) Sigma(+) Sigma(+)",

author = "M. Ablikim and Achasov, {M. N.} and O. Albayrak and Ambrose, {D. J.} and An, {F. F.} and Q. An and Bai, {J. Z.} and Y. Ban and J. Becker and Bennett, {J. V.} and M. Bertani and Bian, {J. M.} and E. Boger and O. Bondarenko and I. Boyko and Briere, {R. A.} and V. Bytev 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 J.C. Chen and M.L. Chen and Chen, {S. J.} and X. Chen and Y.B. Chen and Cheng, {H. P.} and Chu, {Y. P.} and D. Cronin-Hennessy and Dai, {H. L.} and J.P. Dai and D. Dedovich and Deng, {Z. Y.} and A. Denig and I. Denysenko and M. Destefanis and Ding, {W. M.} and Y. Ding and Dong, {L. Y.} and Dong, {M. Y.} and Du, {S. X.} and N. Kalantar-Nayestanaki and M. Kavatsyuk and H. Loehner and Messchendorp, {J. G.} and {BESIII Collaboration}",

note = "Library comment: authors and affiliations checked.",

year = "2013",

month = feb,

day = "15",

doi = "10.1103/PhysRevD.87.032007",

language = "English",

volume = "87",

journal = "Physical Review D",

issn = "1550-7998",

publisher = "AMER PHYSICAL SOC",

number = "3",

}

Ablikim, M, Achasov, MN, Albayrak, O, Ambrose, DJ, An, FF, An, Q, Bai, JZ, Ban, Y, Becker, J, Bennett, JV, Bertani, M, Bian, JM, Boger, E, Bondarenko, O, Boyko, I, Briere, RA, Bytev, V, 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, YB, Cheng, HP, Chu, YP, Cronin-Hennessy, D, Dai, HL, Dai, JP, Dedovich, D, Deng, ZY, Denig, A, Denysenko, I, Destefanis, M, Ding, WM, Ding, Y, Dong, LY, Dong, MY, Du, SX, Kalantar-Nayestanaki, N , Kavatsyuk, M, Loehner, H, Messchendorp, JG & BESIII Collaboration 2013, 'Measurements of baryon pair decays of chi(cJ) mesons', Physical Review D, vol. 87, no. 3, 032007. https://doi.org/10.1103/PhysRevD.87.032007

TY - JOUR

T1 - Measurements of baryon pair decays of chi(cJ) mesons

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Albayrak, O.

AU - Ambrose, D. J.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Ban, Y.

AU - Becker, J.

AU - Bennett, J. V.

AU - Bertani, M.

AU - Bian, J. M.

AU - Boger, E.

AU - Bondarenko, O.

AU - Boyko, I.

AU - Briere, R. A.

AU - Bytev, V.

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, Y.B.

AU - Cheng, H. P.

AU - Chu, Y. P.

AU - Cronin-Hennessy, D.

AU - Dai, H. L.

AU - Dai, J.P.

AU - Dedovich, D.

AU - Deng, Z. Y.

AU - Denig, A.

AU - Denysenko, I.

AU - Destefanis, M.

AU - Ding, W. M.

AU - Ding, Y.

AU - Dong, L. Y.

AU - Dong, M. Y.

AU - Du, S. X.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Loehner, H.

AU - Messchendorp, J. G.

AU - BESIII Collaboration

N1 - Library comment: authors and affiliations checked.

PY - 2013/2/15

Y1 - 2013/2/15

N2 - Using 106 x 10(6) psi' decays collected with the BESIII detector at the BEPCII, three decays of chi(cJ) (J = 0, 1, 2) with baryon pairs (Lambda(Lambda) over bar, Sigma(0)(Sigma) over bar (0),Sigma(+)(Sigma) over bar (-)) in the final state have been studied. The branching fractions are measured to be B(chi(c0,1,2) -> Lambda(Lambda) over bar) = (33.3 +/- 2.0 +/- 2.6) x 10(-5), (12.2 +/- 1.1 +/- 1.1) x 10(-5), (20.8 +/- 1.6 +/- 2.3) x 10(-5), B(chi(c0,1,2) -> Sigma(0)(Sigma) over bar (0)) = (47.8 +/- 3.4 +/- 3.9) x 10(-5), (3.8 +/- 1.0 +/- 0.5) x 10(-5), (4.0 +/- 1.1 +/- 0.5) x 10(-5), and B(chi(c0,1,2) -> Sigma(+)(Sigma) over bar (-)) = (45.4 +/- 4.2 +/- 3.0) x 10(-5), (5.4 +/- 1.5 +/- 0.5) x 10(-5), (4.9 +/- 1.9 +/- 0.7) x 10(-5), where the first error is statistical and the second is systematic. Upper limits on the branching fractions for the decays of chi(c1,2) -> Sigma(0)(Sigma) over bar (0), Sigma(+)(Sigma) over bar (-) are estimated to be B(chi(c1) -> Sigma(0)(Sigma) over bar (0)) 6.2 x 10(-5), B(chi(c2) -> Sigma(0) Sigma(+) Sigma(+)

AB - Using 106 x 10(6) psi' decays collected with the BESIII detector at the BEPCII, three decays of chi(cJ) (J = 0, 1, 2) with baryon pairs (Lambda(Lambda) over bar, Sigma(0)(Sigma) over bar (0),Sigma(+)(Sigma) over bar (-)) in the final state have been studied. The branching fractions are measured to be B(chi(c0,1,2) -> Lambda(Lambda) over bar) = (33.3 +/- 2.0 +/- 2.6) x 10(-5), (12.2 +/- 1.1 +/- 1.1) x 10(-5), (20.8 +/- 1.6 +/- 2.3) x 10(-5), B(chi(c0,1,2) -> Sigma(0)(Sigma) over bar (0)) = (47.8 +/- 3.4 +/- 3.9) x 10(-5), (3.8 +/- 1.0 +/- 0.5) x 10(-5), (4.0 +/- 1.1 +/- 0.5) x 10(-5), and B(chi(c0,1,2) -> Sigma(+)(Sigma) over bar (-)) = (45.4 +/- 4.2 +/- 3.0) x 10(-5), (5.4 +/- 1.5 +/- 0.5) x 10(-5), (4.9 +/- 1.9 +/- 0.7) x 10(-5), where the first error is statistical and the second is systematic. Upper limits on the branching fractions for the decays of chi(c1,2) -> Sigma(0)(Sigma) over bar (0), Sigma(+)(Sigma) over bar (-) are estimated to be B(chi(c1) -> Sigma(0)(Sigma) over bar (0)) 6.2 x 10(-5), B(chi(c2) -> Sigma(0) Sigma(+) Sigma(+)

U2 - 10.1103/PhysRevD.87.032007

DO - 10.1103/PhysRevD.87.032007

M3 - Article

SN - 1550-7998

VL - 87

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032007

ER -

Measurements of baryon pair decays of chi(cJ) mesons

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