Measurements of the branching fractions of semileptonic Ds+ decays via e+e- → Ds∗+ Ds∗-

The BESIII collaboration

doi:10.1103/PhysRevD.110.072017

Measurements of the branching fractions of semileptonic Ds+ decays via e+e- → Ds∗+ Ds∗-

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
Beihang University
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
Istanbul 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
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
Russian Research Centre Kurchatov Institute
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
Helmholtz Institute Mainz
Inner Mongolia University
Yantai University
University of Bristol
Shanxi Normal University
University of Science and Technology Liaoning

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Abstract

We measure the absolute branching fractions of semileptonic Ds+ decays via the e+e-→Ds∗+Ds∗- process using e+e- collision data corresponding to an integrated luminosity of 10.64 fb-1 collected by the BESIII detector at center-of-mass energies between 4.237 and 4.699 GeV. The branching fractions are B(Ds+→ηe+νe)=(2.35±0.11stat±0.10syst)%, B(Ds+→η′e+νe)=(0.82±0.09stat±0.04syst)%, B(Ds+→φe+νe)=(2.21±0.16stat±0.11syst)%, B(Ds+→f0(980)e+νe,f0(980)→π+π-)=(0.15±0.02stat±0.01syst)%, B(Ds+→K0e+νe)=(0.24±0.04stat±0.01syst)%, and B(Ds+→K∗0e+νe)=(0.19±0.03stat±0.01syst)%. These results are consistent with those measured via the e+e-→Ds∗±Ds process by BESIII and CLEO. Using two-parameter series expansion, the hadronic transition form factors of Ds+→ηe+νe, Ds+→η′e+νe, and Ds+→K0e+νe are determined to be f+η(0)=0.442±0.022stat±0.017syst, f+η′(0)=0.557±0.062stat±0.024syst, and f+K0(0)=0.677±0.098stat±0.023syst.

Original language	English
Article number	072017
Journal	Physical Review D
Volume	110
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.110.072017
State	Published - 1 Oct 2024

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10.1103/PhysRevD.110.072017

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@article{c70e2a821020474b812f4fae0415ca9d,

title = "Measurements of the branching fractions of semileptonic Ds+ decays via e+e- → Ds∗+ Ds∗-",

abstract = "We measure the absolute branching fractions of semileptonic Ds+ decays via the e+e-→Ds∗+Ds∗- process using e+e- collision data corresponding to an integrated luminosity of 10.64 fb-1 collected by the BESIII detector at center-of-mass energies between 4.237 and 4.699 GeV. The branching fractions are B(Ds+→ηe+νe)=(2.35±0.11stat±0.10syst)\%, B(Ds+→η′e+νe)=(0.82±0.09stat±0.04syst)\%, B(Ds+→φe+νe)=(2.21±0.16stat±0.11syst)\%, B(Ds+→f0(980)e+νe,f0(980)→π+π-)=(0.15±0.02stat±0.01syst)\%, B(Ds+→K0e+νe)=(0.24±0.04stat±0.01syst)\%, and B(Ds+→K∗0e+νe)=(0.19±0.03stat±0.01syst)\%. These results are consistent with those measured via the e+e-→Ds∗±Ds process by BESIII and CLEO. Using two-parameter series expansion, the hadronic transition form factors of Ds+→ηe+νe, Ds+→η′e+νe, and Ds+→K0e+νe are determined to be f+η(0)=0.442±0.022stat±0.017syst, f+η′(0)=0.557±0.062stat±0.024syst, and f+K0(0)=0.677±0.098stat±0.023syst.",

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.",

year = "2024",

month = oct,

day = "1",

doi = "10.1103/PhysRevD.110.072017",

language = "English",

volume = "110",

journal = "Physical Review D",

issn = "2470-0010",

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TY - JOUR

T1 - Measurements of the branching fractions of semileptonic Ds+ decays via e+e- → Ds∗+ Ds∗-

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Afedulidis, O.

AU - Kabana, S.

AU - The BESIII collaboration

PY - 2024/10/1

Y1 - 2024/10/1

N2 - We measure the absolute branching fractions of semileptonic Ds+ decays via the e+e-→Ds∗+Ds∗- process using e+e- collision data corresponding to an integrated luminosity of 10.64 fb-1 collected by the BESIII detector at center-of-mass energies between 4.237 and 4.699 GeV. The branching fractions are B(Ds+→ηe+νe)=(2.35±0.11stat±0.10syst)%, B(Ds+→η′e+νe)=(0.82±0.09stat±0.04syst)%, B(Ds+→φe+νe)=(2.21±0.16stat±0.11syst)%, B(Ds+→f0(980)e+νe,f0(980)→π+π-)=(0.15±0.02stat±0.01syst)%, B(Ds+→K0e+νe)=(0.24±0.04stat±0.01syst)%, and B(Ds+→K∗0e+νe)=(0.19±0.03stat±0.01syst)%. These results are consistent with those measured via the e+e-→Ds∗±Ds process by BESIII and CLEO. Using two-parameter series expansion, the hadronic transition form factors of Ds+→ηe+νe, Ds+→η′e+νe, and Ds+→K0e+νe are determined to be f+η(0)=0.442±0.022stat±0.017syst, f+η′(0)=0.557±0.062stat±0.024syst, and f+K0(0)=0.677±0.098stat±0.023syst.

AB - We measure the absolute branching fractions of semileptonic Ds+ decays via the e+e-→Ds∗+Ds∗- process using e+e- collision data corresponding to an integrated luminosity of 10.64 fb-1 collected by the BESIII detector at center-of-mass energies between 4.237 and 4.699 GeV. The branching fractions are B(Ds+→ηe+νe)=(2.35±0.11stat±0.10syst)%, B(Ds+→η′e+νe)=(0.82±0.09stat±0.04syst)%, B(Ds+→φe+νe)=(2.21±0.16stat±0.11syst)%, B(Ds+→f0(980)e+νe,f0(980)→π+π-)=(0.15±0.02stat±0.01syst)%, B(Ds+→K0e+νe)=(0.24±0.04stat±0.01syst)%, and B(Ds+→K∗0e+νe)=(0.19±0.03stat±0.01syst)%. These results are consistent with those measured via the e+e-→Ds∗±Ds process by BESIII and CLEO. Using two-parameter series expansion, the hadronic transition form factors of Ds+→ηe+νe, Ds+→η′e+νe, and Ds+→K0e+νe are determined to be f+η(0)=0.442±0.022stat±0.017syst, f+η′(0)=0.557±0.062stat±0.024syst, and f+K0(0)=0.677±0.098stat±0.023syst.

UR - https://www.scopus.com/pages/publications/85208809552

U2 - 10.1103/PhysRevD.110.072017

DO - 10.1103/PhysRevD.110.072017

M3 - Article

AN - SCOPUS:85208809552

SN - 2470-0010

VL - 110

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 072017

ER -

Measurements of the branching fractions of semileptonic Ds+ decays via e+e- → Ds∗+ Ds∗-

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