Search for the 𝑒+⁢𝑒−→𝜙⁢𝜒𝑐⁢1⁡(3872) process at BESIII

BESIII Collaboration; N. Kalantar-Nayestanaki; M. Kavatsyuk; J. Messchendorp

doi:10.1103/PhysRevD.110.L031103

Search for the 𝑒+⁢𝑒−→𝜙⁢𝜒𝑐⁢1⁡(3872) process at BESIII

BESIII Collaboration, N. Kalantar-Nayestanaki, M. Kavatsyuk, J. Messchendorp

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Abstract

Based on 368.5 pb-1 of e+e- collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the e+e-→φχc1(3872) process is searched for the first time. No significant signal is observed and the upper limits at the 90% confidence level on the product of the Born cross section σ(e+e-→φχc1(3872)) and the branching fraction B[χc1(3872)→π+π-J/ψ] at 4.914 and 4.946 GeV are set to be 0.85 and 0.96 pb, respectively. These measurements provide useful information for the production of the χc1(3872) at e+e- colliders and deepen our understanding about the nature of this particle.

Original language	English
Article number	L031103
Number of pages	10
Journal	Physical Review D
Volume	110
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.110.L031103
Publication status	Published - Aug-2024

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@article{23abab8c968b466290cc9c63731577c3,

title = "Search for the 𝑒+⁢𝑒−→𝜙⁢𝜒𝑐⁢1⁡(3872) process at BESIII",

abstract = "Based on 368.5 pb-1 of e+e- collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the e+e-→φχc1(3872) process is searched for the first time. No significant signal is observed and the upper limits at the 90\% confidence level on the product of the Born cross section σ(e+e-→φχc1(3872)) and the branching fraction B[χc1(3872)→π+π-J/ψ] at 4.914 and 4.946 GeV are set to be 0.85 and 0.96 pb, respectively. These measurements provide useful information for the production of the χc1(3872) at e+e- colliders and deepen our understanding about the nature of this particle.",

author = "\{BESIII Collaboration\} and M. Ablikim and M.N. Achasov 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 N. Kalantar-Nayestanaki and M. Kavatsyuk and J. Messchendorp",

year = "2024",

month = aug,

doi = "10.1103/PhysRevD.110.L031103",

language = "English",

volume = "110",

journal = "Physical Review D",

issn = "1550-7998",

publisher = "AMER PHYSICAL SOC",

number = "3",

}

TY - JOUR

T1 - Search for the 𝑒+⁢𝑒−→𝜙⁢𝜒𝑐⁢1⁡(3872) process at BESIII

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 - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Messchendorp, J.

PY - 2024/8

Y1 - 2024/8

N2 - Based on 368.5 pb-1 of e+e- collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the e+e-→φχc1(3872) process is searched for the first time. No significant signal is observed and the upper limits at the 90% confidence level on the product of the Born cross section σ(e+e-→φχc1(3872)) and the branching fraction B[χc1(3872)→π+π-J/ψ] at 4.914 and 4.946 GeV are set to be 0.85 and 0.96 pb, respectively. These measurements provide useful information for the production of the χc1(3872) at e+e- colliders and deepen our understanding about the nature of this particle.

AB - Based on 368.5 pb-1 of e+e- collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the e+e-→φχc1(3872) process is searched for the first time. No significant signal is observed and the upper limits at the 90% confidence level on the product of the Born cross section σ(e+e-→φχc1(3872)) and the branching fraction B[χc1(3872)→π+π-J/ψ] at 4.914 and 4.946 GeV are set to be 0.85 and 0.96 pb, respectively. These measurements provide useful information for the production of the χc1(3872) at e+e- colliders and deepen our understanding about the nature of this particle.

U2 - 10.1103/PhysRevD.110.L031103

DO - 10.1103/PhysRevD.110.L031103

M3 - Letter

SN - 1550-7998

VL - 110

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - L031103

ER -

Search for the 𝑒+⁢𝑒−→𝜙⁢𝜒𝑐⁢1⁡(3872) process at BESIII

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