The reaction $$\pi ^ - + p \to e^ + + e^ - + n$$ : a possible source of information on the nucleon electromagnetic form factors in the timelike region: a possible source of information on the nucleon electromagnetic form factors in the timelike region

1974 ◽  
Vol 22 (4) ◽  
pp. 595-608 ◽  
Author(s):  
A. Bietti ◽  
S. Petrarca
Keyword(s):  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Timelike Region ◽  
Source Of Information

scholarly journals Hyperon electromagnetic form factors in the timelike region

2021 ◽  
Vol 103 (1) ◽  
Author(s):  
Johann Haidenbauer ◽  
Ulf-G. Meißner ◽  
Ling-Yun Dai
Keyword(s):  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Timelike Region

scholarly journals The electromagnetic form factors of the proton in the timelike region

2014 ◽  
Vol 929 ◽  
pp. 102-118 ◽  
Author(s):  
J. Haidenbauer ◽  
X.-W. Kang ◽  
U.-G. Meißner
Keyword(s):  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Timelike Region

Proton electromagnetic form factors in the timelike region from 8.9 to 13.0GeV2

1993 ◽  
Vol 70 (9) ◽  
pp. 1212-1215 ◽  
Author(s):  
T. A. Armstrong ◽  
D. Bettoni ◽  
V. Bharadwaj ◽  
C. Biino ◽  
G. Borreani ◽  
...  
Keyword(s):  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Timelike Region

scholarly journals Electromagnetic Form Factors of Σ Hyperons

Symmetry ◽  
2022 ◽  
Vol 14 (1) ◽  
pp. 69
Author(s):  
Muzaffar Irshad ◽  
Dong Liu ◽  
Xiaorong Zhou ◽  
Guangshun Huang
Keyword(s):  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Valuable Insight ◽  
Theoretical Discussion ◽  
Structure And Dynamics ◽  
Electron Positron Annihilation ◽  
Electron Positron ◽  
Timelike Region ◽  
Isospin Triplet ◽  
Insight Into

Electromagnetic form factors (EMFFs) are fundamental observable of baryons that intimately related to their internal structure and dynamics, where the EMFFs of hyperons provide valuable insight into the behavior of the strangeness. The EMFFs of hyperons can also help to understand those of nucleons as they are connected with the flavor SU(3) symmetry. The EMFFs of nucleons can be measured in both spacelike and timelike regions. However, it is difficult to probe the EMFFs of hyperons in spacelike region due to the unstable nature of hyperons. By means of electron-positron annihilation, the EMFFs of hyperons in timelike region is accessible via the production of hyperon-antihyperon pair. The timelike EMFFs of the isospin triplet Σ hyperons measured at Babar, CLEO-c and BESIII experiments are reviewed in this paper. Besides, the relevant theoretical discussion based on the experimental results are also presented.

scholarly journals Covariant nucleon electromagnetic form factors from the Goldstone-boson-exchange quark model

2001 ◽  
Vol 511 (1) ◽  
pp. 33-39 ◽  
Author(s):  
R.F. Wagenbrunn ◽  
S. Boffi ◽  
W. Klink ◽  
W. Plessas ◽  
M. Radici
Keyword(s):  
Quark Model ◽  
Goldstone Boson ◽  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Boson Exchange
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