Standard

Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold. / BESIII Collaboration.

In: Physical Review Letters, Vol. 120, No. 13, 132001, 29.03.2018.

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

Harvard

BESIII Collaboration 2018, 'Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold', Physical Review Letters, vol. 120, no. 13, 132001. https://doi.org/10.1103/PhysRevLett.120.132001

APA

BESIII Collaboration (2018). Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold. Physical Review Letters, 120(13), [132001]. https://doi.org/10.1103/PhysRevLett.120.132001

Vancouver

BESIII Collaboration. Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold. Physical Review Letters. 2018 Mar 29;120(13):132001. doi: 10.1103/PhysRevLett.120.132001

Author

BESIII Collaboration. / Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold. In: Physical Review Letters. 2018 ; Vol. 120, No. 13.

BibTeX

@article{a8fc964bc0a44deb828c9b1db1923e1c,
title = "Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold",
abstract = "The cross section of the e+e-→Λc+Λc- process is measured with unprecedented precision using data collected with the BESIII detector at s=4574.5, 4580.0, 4590.0 and 4599.5 MeV. The nonzero cross section near the Λc+Λc- production threshold is cleared. At center-of-mass energies s=4574.5 and 4599.5 MeV, the higher statistics data enable us to measure the Λc polar angle distributions. From these, the Λc electric over magnetic form-factor ratios (|GE/GM|) are measured for the first time. They are found to be 1.14±0.14±0.07 and 1.23±0.05±0.03, respectively, where the first uncertainties are statistical and the second are systematic.",
author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. N.} and S. Ahmed and M. Albrecht and M. Alekseev and A. Amoroso and An, {F. F.} and Q. An and Bai, {J. Z.} and Y. Bai and O. Bakina and {Baldini Ferroli}, R. and Y. Ban and K. Begzsuren and Bennett, {D. W.} and Bennett, {J. V.} and N. Berger and M. Bertani and D. Bettoni 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 J. Chai and Chang, {J. F.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {J. C.} and Chen, {M. L.} and Chen, {P. L.} and Chen, {S. J.} and Chen, {X. R.} and Chen, {Y. B.} and Chu, {X. K.} and G. Cibinetto and F. Cossio and Dai, {H. L.} and Dai, {J. P.} and A. Dbeyssi and D. Dedovich and Deng, {Z. Y.} and Muchnoi, {N. Yu} and Nikolaev, {I. B.}",
note = "Publisher Copyright: {\textcopyright} 2018 authors. Published by the American Physical Society.",
year = "2018",
month = mar,
day = "29",
doi = "10.1103/PhysRevLett.120.132001",
language = "English",
volume = "120",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "13",

}

RIS

TY - JOUR

T1 - Precision Measurement of the e+e- → Λc+ Λ c- Cross Section Near Threshold

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Alekseev, M.

AU - Amoroso, A.

AU - An, F. F.

AU - An, Q.

AU - Bai, J. Z.

AU - Bai, Y.

AU - Bakina, O.

AU - Baldini Ferroli, R.

AU - Ban, Y.

AU - Begzsuren, K.

AU - Bennett, D. W.

AU - Bennett, J. V.

AU - Berger, N.

AU - Bertani, M.

AU - Bettoni, D.

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 - Chai, J.

AU - Chang, J. F.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, J. C.

AU - Chen, M. L.

AU - Chen, P. L.

AU - Chen, S. J.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Chu, X. K.

AU - Cibinetto, G.

AU - Cossio, F.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dbeyssi, A.

AU - Dedovich, D.

AU - Deng, Z. Y.

AU - Muchnoi, N. Yu

AU - Nikolaev, I. B.

N1 - Publisher Copyright: © 2018 authors. Published by the American Physical Society.

PY - 2018/3/29

Y1 - 2018/3/29

N2 - The cross section of the e+e-→Λc+Λc- process is measured with unprecedented precision using data collected with the BESIII detector at s=4574.5, 4580.0, 4590.0 and 4599.5 MeV. The nonzero cross section near the Λc+Λc- production threshold is cleared. At center-of-mass energies s=4574.5 and 4599.5 MeV, the higher statistics data enable us to measure the Λc polar angle distributions. From these, the Λc electric over magnetic form-factor ratios (|GE/GM|) are measured for the first time. They are found to be 1.14±0.14±0.07 and 1.23±0.05±0.03, respectively, where the first uncertainties are statistical and the second are systematic.

AB - The cross section of the e+e-→Λc+Λc- process is measured with unprecedented precision using data collected with the BESIII detector at s=4574.5, 4580.0, 4590.0 and 4599.5 MeV. The nonzero cross section near the Λc+Λc- production threshold is cleared. At center-of-mass energies s=4574.5 and 4599.5 MeV, the higher statistics data enable us to measure the Λc polar angle distributions. From these, the Λc electric over magnetic form-factor ratios (|GE/GM|) are measured for the first time. They are found to be 1.14±0.14±0.07 and 1.23±0.05±0.03, respectively, where the first uncertainties are statistical and the second are systematic.

UR - http://www.scopus.com/inward/record.url?scp=85044868310&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.120.132001

DO - 10.1103/PhysRevLett.120.132001

M3 - Article

C2 - 29694170

AN - SCOPUS:85044868310

VL - 120

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 13

M1 - 132001

ER -

ID: 12417860