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Study of Charmonium(-like) Spectroscopy and Decay at BESIII
by Weimin Song
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Submission summary
| Authors (as registered SciPost users): | Weimin Song |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/2209.15061v1 (pdf) |
| Date submitted: | 2022-10-03 12:08 |
| Submitted by: | Song, Weimin |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 51st International Symposium on Multiparticle Dynamics (ISMD2022) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approach: | Experimental |
Abstract
The recent results about Charmonium and Charmonium-like states at BESIII are reviewed, including the observation of $\rm Z_{cs}(3985)$, the study of the new decay modes of $\psi_2(3823)$, observation of resonance structure in $\rm e^+e^- \to \pi^+\pi^-\psi_2(3823)$, the study of the $\rm e^+e^- \to K^+K^-J/\psi$, cross section measurement of $\rm e^+e^- \to \omega\pi^0$ and $\omega\eta$, branching fraction measurement of $\psi(3686)\to\bar{\Sigma}^0\Lambda + c.c.$. Decay channels for $\chi_{cJ} \to \Lambda\bar{\Lambda}$, $\chi_{cJ} \to \Lambda\bar{\Lambda}\eta$, $\psi(3686) \to \Lambda\bar{\Lambda}\omega$ and $\eta_c(2S)\to3(\pi^+\pi^-)$ are also mentioned. The property of the spin singlet P wave Charmonium state, $\rm h_c$ is also studied.
Anonymous on 2022-12-10 [id 3120]
Thank you for this draft. Below are some suggestions how to improve the readability of the draft.
General: add the words decay, processes, state or resonance throughout the text where relevant. For example instead of “The psi()” say “The psi() state / resonance”; “The e+e-—> …” can be written as “The e+e- —> … process” etc to reduce the amount of jargon in the text.
you use Charmonium and charmonium : make this uniform
Abstract: The recent results about —> The recent results on are also mentioned —> are also discussed hc is also studied —> hc is also reported
Introduction
in nowadays —> nowadays
physics rule between —> please rephrase this phrase.
completeness —> complete
around the joint —>around the limit
For charm quark, —> The charm quark, (so that the sentence makes sense)
to understand the QCD better. —> to better understand the QCD.
As the only running electron positron collider in the -charm region, Beijing Electron Positron Collider (BEPCII) has collected the world’s largest Charmonium samples from electron positron symmetric collision. —> The BESIII experiment at the only running electron positron collider in the tau-charm region, Beijing Electron Positron Collider (BEPCII) , has collected the world’s largest Charmonium samples from electron positron symmetric collision. The detector’s performance, such as momentum resolution, particle identification ability, is excellent.
Together with the BESIII detector, of which the performance, such as momentum resolution, particle identification ability, is excellent, a lot of results about Charmonium and Charmonium-like states are published by BESIII Collaboration —> Plenty of results on Charmonium and Charmonium-like states are published by BESIII Collaboration.
will be mentioned —> will be presented.
and for all the publications, please refer to the website of BESIII Collaboration [1]. —> remove
Section 2:
many people would expect the existence of its strange partner —> the existence of its strange partner, Zcs with the quark content c¯cs¯q, would be expected by …
bracket missing in the described process
3.7 fb-1 data —> data corresponding to integrated luminosity of 3.7 fb-1
the comma and full stop after GeV is formatted weirdly, too close to V?
and mass —> and its mass
recoil mass of K0S Recoil-Mass Spectra —> needs explanation (possibly repetition of recoil mass)
… [3] —> processes [3]
one at BESIII —> one measured at BESIII
Section 3
Charmonium state —> Charmonium state psi2(3823)
19 fb-1 data —> as above for 3.7
center-of-mass energy —> center-of-mass energies
are searched —> are searched for
is found for the first time—> an evidence for … is found for the first time
searchedfor, —> typo
as the function —> as a function
and most stringent constraint —> and provided most stringent constraint
Section 4
no significant sign —> no significant signal
cross section of … are —> cross section of … is
compared with previous study —> compared with the previous study
still not clear yet —> still not clear/ still not known.
5 sigma —> 5sigma
Section 5
studied by —> studied with
with large —> at large
as photon —> as the photon
As shown by Fig —> As shown in Fig
could be studied with large samples —> explain what large samples??
A handful other —> A handful of other
are studied precisely with hc produced by —> are studied with/ via the decay
Fig 3 caption: please include a bit more details what it refers to.
The caption of Fig 4 can be improved too.
Section 6:
Based on world largest —> Using the world’s largest
in high precision —> with high precision
Acknowledgements should follow immediately after the conclusion. —> remove
in BESIII —> in the BESIII