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  4. Search for e<SUP>+</SUP>e<SUP>-</SUP> → φχ<sub>c0</sub> and φη<sub>c2</sub> (1D) at center-of-mass energies from 4.47 to 4.95 GeV
 
research article

Search for e+e- → φχc0 and φηc2 (1D) at center-of-mass energies from 4.47 to 4.95 GeV

Ablikim, M.
•
Achasov, M. N.
•
Adlarson, P.
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January 31, 2025
Physical Review D

Utilizing a dataset of 6.7 fb(-1) from electron-positron collisions recorded by the BESIII detector at the BEPCII storage ring, a search is conducted for the processes e(+)e(-) -> phi chi(c0) and phi eta(c2)(1D) across centerof-mass energies from 4.47 to 4.95 GeV. In the absence of any significant signals, upper limits are set. These include limits on the dressed cross sections for e(+)e(-) -> phi chi(c0), as well as the product of the dressed cross section for e(+)e(-) -> phi eta(c2)(1D) and a sum of five branching fractions. Furthermore, the product of the electronic width of Y(4660) and the branching fraction of the Y(4660) ->phi chi(c0), denoted as Gamma Y-e+e-((4660)) B-Y(4660)->phi chi(c0), is determined to be <0.35 eV at the 90% confidence level.

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Type
research article
DOI
10.1103/PhysRevD.111.012016
Web of Science ID

WOS:001426279400001

Author(s)
Ablikim, M.

Chinese Academy of Sciences

Achasov, M. N.

Budker Inst Nucl Phys SB RAS BINP

Adlarson, P.

Uppsala University

Afedulidis, O.

Ruhr University Bochum

Ai, X. C.

Zhengzhou University

Aliberti, R.

Johannes Gutenberg University of Mainz

Amoroso, A.

University of Turin

An, Q.

Chinese Academy of Sciences

Bai, Y.

Southeast University - China

Bakina, O.

Joint Institute for Nuclear Research - Russia

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Corporate authors
BESIII Collaboration
Date Issued

2025-01-31

Publisher

AMER PHYSICAL SOC

Published in
Physical Review D
Volume

111

Issue

1

Article Number

012016

Subjects

MONTE-CARLO

•

MESONS

•

Science & Technology

•

Physical Sciences

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPHE-LS  
FunderFunding(s)Grant NumberGrant URL

IHEP computing center

National Key R&D Program of China

2020YFA0406300;2020YFA0406400;2023YFA1606000

National Natural Science Foundation of China (NSFC)

12035009;12375083;11635010;11735014;11935015;11935016;11935018;12025502;12035013;12061131003;12192260;12192261;12192262;12192263;12192264;12192265;12221005;12225509;12235017;12361141819

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Available on Infoscience
April 11, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/249114
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