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Journal of High Energy Physics
Article . 2023
License: CC BY
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Measurement of $$ {e}^{+}{e}^{-}\to p{K}^{-}\overline{\Lambda}+c.c. $$ cross sections between 4.009 GeV and 4.951 GeV

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

Measurement of $$ {e}^{+}{e}^{-}\to p{K}^{-}\overline{\Lambda}+c.c. $$ cross sections between 4.009 GeV and 4.951 GeV

Abstract

Using $e^+e^-$ collision datasets corresponding to total integrated luminosity of 21.7 fb$^{-1}$ collected with the BESIII detector at the BEPCII collider at center-of-mass energies ranging from 4.009 GeV to 4.951 GeV, the energy-dependent cross sections of $e^+e^-\to pK^-\bar{\Lambda}+c.c.$ are measured for the first time. By fitting these energy-dependent cross sections, we search for the excited $\psi$ states $\psi(4160)$ and $\psi(4415)$, and the vector charmonium-like states $\psi(4230)$, $\psi(4360)$, and $\psi(4660)$. No evidence for these is observed and the upper limits on the branching fractions of these states decaying into $pK^-\bar \Lambda+c.c.$ are set at the 90\% confidence level.

Comment: 20 pages, 4 figures

Country
Germany
Subjects by Vocabulary

Dewey Decimal Classification: ddc:530

Keywords

Nuclear and High Energy Physics, 530, High Energy Physics - Experiment

34 references, page 1 of 4

[1] Particle Data Group collaboration, Review of Particle Physics, PTEP 2022 (2022) 083C01.

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[3] Belle collaboration, Observation of two resonant structures in e+e− → π +π − ψ (2s) via initial-state radiation at belle, Phys. Rev. Lett. 99 (2007) 142002.

[4] BaBar collaboration, Evidence of a broad structure at an invariant mass of 4.32 GeV /c2 in the reaction e+e− → π +π − ψ (2S) measured at BaBar, Phys. Rev. Lett. 98 (2007) 212001.

[5] BESIII collaboration, Precise Measurement of the e+e− → π +π − J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV, Phys. Rev. Lett. 118 (2017) 092001.

[6] BESIII collaboration, Study of e+e− → ωχ cJ at Center of Mass Energies from 4.21 to 4.42 GeV, Phys. Rev. Lett. 114 (2015) 092003.

[7] BESIII collaboration, Evidence of Two Resonant Structures in e+e− → π +π − hc, Phys. Rev. Lett. 118 (2017) 092002.

[8] BESIII collaboration, Evidence of a Resonant Structure in the e+e− → π +D0D∗− Section between 4.05 and 4.60 GeV, Phys. Rev. Lett. 122 (2019) 102002.

[14] Y. R. Liu, H. X. . Chen, W. Chen, X. Liu and S. L. Zhu, Pentaquark and tetraquark states, Progress in Particle and Nuclear Physics 107 (2019) 237.

[15] BESIII collaboration, Measurements of cross section of e+e− → pp¯π 0 at center-of-mass energies between 4.008 and 4.600 GeV, Phys. Lett. B 771 (2017) 45.

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    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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    impulse
    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
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Average
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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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