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Coupled-Channel Analysis of the χc1 (3872) Line Shape with BESIII Data. / The BESIII Collaboration ; Николаев, Иван Борисович; Мучной, Николай Юрьевич.

в: Physical Review Letters, Том 132, № 15, 151903, 12.04.2024, стр. 151903.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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The BESIII Collaboration, Николаев ИБ, Мучной НЮ. Coupled-Channel Analysis of the χc1 (3872) Line Shape with BESIII Data. Physical Review Letters. 2024 апр. 12;132(15):151903. 151903. doi: 10.1103/PhysRevLett.132.151903

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BibTeX

@article{0f3070198ac844f7ae4c8ad778b8d6af,
title = "Coupled-Channel Analysis of the χc1 (3872) Line Shape with BESIII Data",
abstract = "We perform a study of the χc1(3872) line shape using the data samples of e+e-→γχc1(3872), χc1(3872)→D0D¯0π0, and π+π-J/ψ collected with the BESIII detector. The effects of the coupled channels and the off-shell D∗0 are included in the parametrization of the line shape. The line shape mass parameter is obtained to be MX=(3871.63±0.13-0.05+0.06) MeV. Two poles are found on the first and second Riemann sheets corresponding to the D∗0D¯0 branch cut. The pole location on the first sheet is much closer to the D∗0D¯0 threshold than the other, and is determined to be 7.04±0.15-0.08+0.07 MeV above the D0D¯0π0 threshold with an imaginary part -0.19±0.08-0.19+0.14 MeV.",
author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. N.} and P. Adlarson and Ai, {X. C.} and R. Aliberti and A. Amoroso and An, {M. R.} and Q. An and Y. Bai and O. Bakina and I. Balossino and Y. Ban and V. Batozskaya and K. Begzsuren and N. Berger and M. Berlowski and M. Bertani and D. Bettoni and F. Bianchi and E. Bianco and A. Bortone and Briere, {R. A.} and A. Brueggemann and H. Cai and X. Cai and A. Calcaterra and Cao, {G. F.} and N. Cao and Cetin, {S. A.} and Chang, {J. F.} and Chang, {T. T.} and Chang, {W. L.} and Che, {G. R.} and G. Chelkov and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",
year = "2024",
month = apr,
day = "12",
doi = "10.1103/PhysRevLett.132.151903",
language = "English",
volume = "132",
pages = "151903",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "15",

}

RIS

TY - JOUR

T1 - Coupled-Channel Analysis of the χc1 (3872) Line Shape with BESIII Data

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ai, X. C.

AU - Aliberti, R.

AU - Amoroso, A.

AU - An, M. R.

AU - An, Q.

AU - Bai, Y.

AU - Bakina, O.

AU - Balossino, I.

AU - Ban, Y.

AU - Batozskaya, V.

AU - Begzsuren, K.

AU - Berger, N.

AU - Berlowski, M.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bianco, E.

AU - Bortone, A.

AU - Briere, R. A.

AU - Brueggemann, A.

AU - Cai, H.

AU - Cai, X.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cao, N.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chang, T. T.

AU - Chang, W. L.

AU - Che, G. R.

AU - Chelkov, G.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/4/12

Y1 - 2024/4/12

N2 - We perform a study of the χc1(3872) line shape using the data samples of e+e-→γχc1(3872), χc1(3872)→D0D¯0π0, and π+π-J/ψ collected with the BESIII detector. The effects of the coupled channels and the off-shell D∗0 are included in the parametrization of the line shape. The line shape mass parameter is obtained to be MX=(3871.63±0.13-0.05+0.06) MeV. Two poles are found on the first and second Riemann sheets corresponding to the D∗0D¯0 branch cut. The pole location on the first sheet is much closer to the D∗0D¯0 threshold than the other, and is determined to be 7.04±0.15-0.08+0.07 MeV above the D0D¯0π0 threshold with an imaginary part -0.19±0.08-0.19+0.14 MeV.

AB - We perform a study of the χc1(3872) line shape using the data samples of e+e-→γχc1(3872), χc1(3872)→D0D¯0π0, and π+π-J/ψ collected with the BESIII detector. The effects of the coupled channels and the off-shell D∗0 are included in the parametrization of the line shape. The line shape mass parameter is obtained to be MX=(3871.63±0.13-0.05+0.06) MeV. Two poles are found on the first and second Riemann sheets corresponding to the D∗0D¯0 branch cut. The pole location on the first sheet is much closer to the D∗0D¯0 threshold than the other, and is determined to be 7.04±0.15-0.08+0.07 MeV above the D0D¯0π0 threshold with an imaginary part -0.19±0.08-0.19+0.14 MeV.

UR - https://www.mendeley.com/catalogue/c280af77-34b5-3d71-bbe9-a7a28a19bd00/

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85190402030&origin=inward&txGid=f7123c121cfa5be4375a1dfbb7c584e0

UR - https://pubmed.ncbi.nlm.nih.gov/38682963/

U2 - 10.1103/PhysRevLett.132.151903

DO - 10.1103/PhysRevLett.132.151903

M3 - Article

C2 - 38682963

VL - 132

SP - 151903

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 15

M1 - 151903

ER -

ID: 62684027