Study of the Decay and Production Properties of Ds1 (2536) and Ds2∗ (2573)

The BESIII collaboration

doi:10.1103/PhysRevLett.133.171903

Study of the Decay and Production Properties of Ds1 (2536) and Ds2∗ (2573)

The BESIII collaboration

Institute of Higher Research

CAS - Institute of High Energy Physics
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Novosibirsk State University
Uppsala University
Ruhr University Bochum
Chinese Academy of Sciences
Zhengzhou University
Johannes Gutenberg University Mainz
University of Turin
National Institute for Nuclear Physics
University of Science and Technology of China
Southeast University, Nanjing
Joint Institute for Nuclear Research
Peking University
University of Chinese Academy of Sciences
National Centre for Nuclear Research
Mongolian Academy of Sciences
Carnegie Mellon University
University of Münster
Wuhan University
Istinye University
Nankai University
Moscow Institute of Physics and Technology
China University of Geosciences, Wuhan
Soochow University
Henan University
Nanjing University
North China Electric Power University
Tsinghua University
CAS - Institute of Modern Physics
Jilin University
Hunan University
Chung-Ang University
Shandong University
Yunnan University
Helmholtz Institute Mainz
University of South China
University of Jinan
Liaoning University
Sun Yat-Sen University
University of Eastern Piedmont
Nanjing Normal University
University of Ferrara
Henan Normal University
University of Manchester
University of Oxford
GSI Helmholtz Centre for Heavy Ion Research
Guangxi University
Shandong Normal University
Fudan University
Indiana University Bloomington
University of Hawai'i at Mānoa
Suranaree University of Technology
South China Normal University
University of the Punjab
Liaoning Normal University
Hangzhou Normal University
Huangshan College
University of Groningen
Indian Institute of Technology Madras
Justus Liebig University Giessen
Qufu Normal University
Renmin University of China
Lanzhou University
Hebei University
Sichuan University
Guangxi Normal University
Shanxi University
Central China Normal University
Henan University of Science and Technology
Henan University of Technology
Central South University
Zhejiang University
Goethe University Frankfurt
COMSATS University Islamabad
IBA
University of Perugia
Universidad de Tarapacá
Petersburg Nuclear Physics Institute (PNPI)
Hunan Normal University
China Center of Advanced Science and Technology World Laboratory
Swiss Federal Institute of Technology Lausanne
Shanghai Jiao Tong University
Ministry of Education of the People's Republic of China
Near East University
Beihang University
Inner Mongolia University
Yantai University
University of Bristol
Shanxi Normal University
University of Science and Technology Liaoning

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

5 Scopus citations

Abstract

The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- processes are studied using data samples collected with the BESIII detector at center-of-mass energies from 4.530 to 4.946 GeV. The absolute branching fractions of Ds1(2536)-→D¯∗0K- and Ds2∗(2573)-→D¯0K- are measured for the first time to be (35.9±4.8±3.5)% and (37.4±3.1±4.6)%, respectively. The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- cross sections are measured, and a resonant structure at around 4.6 GeV with a width of 50 MeV is observed in both processes with a statistical significance of 7.2σ and 15σ, respectively. The state is observed for the first time in e+e-→Ds+Ds2∗(2573)- and could be the Y(4626) found by the Belle oration in the Ds+Ds1(2536)- final state, since they have similar masses and widths. There is also evidence for a structure at around 4.75 GeV in both processes.

Original language	English
Article number	171903
Journal	Physical Review Letters
Volume	133
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.133.171903
State	Published - 25 Oct 2024

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10.1103/PhysRevLett.133.171903

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title = "Study of the Decay and Production Properties of Ds1 (2536) and Ds2∗ (2573)",

abstract = "The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- processes are studied using data samples collected with the BESIII detector at center-of-mass energies from 4.530 to 4.946 GeV. The absolute branching fractions of Ds1(2536)-→D¯∗0K- and Ds2∗(2573)-→D¯0K- are measured for the first time to be (35.9±4.8±3.5)\% and (37.4±3.1±4.6)\%, respectively. The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- cross sections are measured, and a resonant structure at around 4.6 GeV with a width of 50 MeV is observed in both processes with a statistical significance of 7.2σ and 15σ, respectively. The state is observed for the first time in e+e-→Ds+Ds2∗(2573)- and could be the Y(4626) found by the Belle oration in the Ds+Ds1(2536)- final state, since they have similar masses and widths. There is also evidence for a structure at around 4.75 GeV in both processes.",

author = "M. Ablikim and Achasov, \{M. N.\} and P. Adlarson and O. Afedulidis and S. Kabana and \{The BESIII collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.",

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T1 - Study of the Decay and Production Properties of Ds1 (2536) and Ds2∗ (2573)

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Afedulidis, O.

AU - Kabana, S.

AU - The BESIII collaboration

N1 - Publisher Copyright: © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

PY - 2024/10/25

Y1 - 2024/10/25

N2 - The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- processes are studied using data samples collected with the BESIII detector at center-of-mass energies from 4.530 to 4.946 GeV. The absolute branching fractions of Ds1(2536)-→D¯∗0K- and Ds2∗(2573)-→D¯0K- are measured for the first time to be (35.9±4.8±3.5)% and (37.4±3.1±4.6)%, respectively. The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- cross sections are measured, and a resonant structure at around 4.6 GeV with a width of 50 MeV is observed in both processes with a statistical significance of 7.2σ and 15σ, respectively. The state is observed for the first time in e+e-→Ds+Ds2∗(2573)- and could be the Y(4626) found by the Belle oration in the Ds+Ds1(2536)- final state, since they have similar masses and widths. There is also evidence for a structure at around 4.75 GeV in both processes.

AB - The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- processes are studied using data samples collected with the BESIII detector at center-of-mass energies from 4.530 to 4.946 GeV. The absolute branching fractions of Ds1(2536)-→D¯∗0K- and Ds2∗(2573)-→D¯0K- are measured for the first time to be (35.9±4.8±3.5)% and (37.4±3.1±4.6)%, respectively. The e+e-→Ds+Ds1(2536)- and e+e-→Ds+Ds2∗(2573)- cross sections are measured, and a resonant structure at around 4.6 GeV with a width of 50 MeV is observed in both processes with a statistical significance of 7.2σ and 15σ, respectively. The state is observed for the first time in e+e-→Ds+Ds2∗(2573)- and could be the Y(4626) found by the Belle oration in the Ds+Ds1(2536)- final state, since they have similar masses and widths. There is also evidence for a structure at around 4.75 GeV in both processes.

UR - https://www.scopus.com/pages/publications/85209482286

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DO - 10.1103/PhysRevLett.133.171903

M3 - Article

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AN - SCOPUS:85209482286

SN - 0031-9007

VL - 133

JO - Physical Review Letters

JF - Physical Review Letters

IS - 17

M1 - 171903

ER -

Study of the Decay and Production Properties of Ds1 (2536) and Ds2∗ (2573)

Abstract

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