ISSN 0253-2778

CN 34-1054/N

Open AccessOpen Access JUSTC

Baryon form factors at BESIII

Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2016.04.012
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  • Author Bio:

    WANG Yadi, female, born in 1984, PhD. Research field: high energy physics. E-mail: wangyd@ihep.ac.cn

  • Received Date: 30 November 2015
  • Rev Recd Date: 20 April 2016
  • Publish Date: 30 April 2016
  • With the data collected by the BESIII detector at the BEPCII e+e- collider in 2011~2013, the cross section of e+e-→p at 12 center-of-mass energies from 2.232 4 to 3.671 0 GeV was measured. The prospect of new results with the larger e+e- scanning data, collected in 2014 and 2015, is reported. The measurement of p form factor with ISR has also been studied using both tagged and untagged methods. With the good performances of BESIII, the feasibility of n form factor measurement in both ISR mode and scan mode is also reported. The preliminary but unexpected result of form factors of Λ measurement is shown, as well as the expectation from the data collected at the threshold of e+e-→Λcc. Also expected from these data is a measurement of form factors of all the other hyperons by BESIII.
    With the data collected by the BESIII detector at the BEPCII e+e- collider in 2011~2013, the cross section of e+e-→p at 12 center-of-mass energies from 2.232 4 to 3.671 0 GeV was measured. The prospect of new results with the larger e+e- scanning data, collected in 2014 and 2015, is reported. The measurement of p form factor with ISR has also been studied using both tagged and untagged methods. With the good performances of BESIII, the feasibility of n form factor measurement in both ISR mode and scan mode is also reported. The preliminary but unexpected result of form factors of Λ measurement is shown, as well as the expectation from the data collected at the threshold of e+e-→Λcc. Also expected from these data is a measurement of form factors of all the other hyperons by BESIII.
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