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Measurement of $e^{+}e^{-}\to\phi\eta'$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $\psi(3770)\to\phi\eta'$

Authors: BESIII Collaboration; Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ai, X. C.; Aliberti, R.; Amoroso, A.; +193 Authors

Measurement of $e^{+}e^{-}\to\phi\eta'$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $\psi(3770)\to\phi\eta'$

Abstract

The cross sections of the $e^{+}e^{-}\to\phi\eta'$ process at center-of-mass energies from 3.508 to 4.951 GeV are measured with high precision using 26.1 fb$^{-1}$ data collected with the BESIII detector operating at the BEPCII storage ring. The cross sections are of the order of a few picobarn, and decrease as the center-of-mass energy increases as $s^{-n/2}$ with $n=4.35\pm 0.14$. This result is in agreement with the Nambu-Jona-Lasinio model prediction of $n=3.5\pm 0.9$. In addition, the charmless decay $\psi(3770)\to\phi\eta'$ is searched for by fitting the measured cross sections, yet no significant signal is observed. The upper limit of ${\cal B}(\psi(3770)\to\phi\eta')$ at the 90\% confidence level is determined to be $2.3\times 10^{-5}$.

Keywords

High Energy Physics - Experiment

146 references, page 1 of 15

1 Institute of High Energy Physics, Beijing 100049, People's Republic of China

2 Beihang University, Beijing 100191, People's Republic of China

3 Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China

4 Bochum Ruhr-University, D-44780 Bochum, Germany

5 Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia

6 Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA

7 Central China Normal University, Wuhan 430079, People's Republic of China

8 Central South University, Changsha 410083, People's Republic of China

9 China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China

10 China University of Geosciences, Wuhan 430074, People's Republic of China

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Funded by
EC| ONEDEGGAM
Project
ONEDEGGAM
The search for new physics through precision measurements of the CKM angle gamma
  • Funder: European Commission (EC)
  • Project Code: 758462
  • Funding stream: H2020 | ERC | ERC-STG
,
EC| Glueballs at BESIII
Project
Glueballs at BESIII
Search for the scalar glueball in a coupled channel amplitude analysis of J/psi decays with the BESIII experiment
  • Funder: European Commission (EC)
  • Project Code: 894790
  • Funding stream: H2020 | MSCA-IF-GF
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