scholarly journals Polarization observables for single and double charged pion photo-production with polarized HD target

2015 ◽  
Author(s):  
Peng Peng
Keyword(s):  
Charged Pion ◽  
Polarization Observables ◽  
Photo Production

Radiative Pion Capture in Flight and Charged Pion Photoproduction in Nuclei

1974 ◽  
Vol 52 (15) ◽  
pp. 1405-1415 ◽  
Author(s):  
F. Cannata ◽  
B. A. Lamers ◽  
C. W. Lucas ◽  
A. Nagl ◽  
H. Überall ◽  
...  
Keyword(s):  
Cross Sections ◽  
Charged Pion ◽  
Giant Resonance ◽  
Forward Direction ◽  
Bound State ◽  
Pion Photoproduction ◽  
Pion Absorption ◽  
Pion Energy ◽  
Photo Production ◽  
Pion Capture

Differential and total cross sections are calculated for charged pion photoproduction and radiative pion capture in flight close to threshold [Formula: see text], mainly for a target of 12C. At the lower energies, selective bound state excitation may be studied in photo-production since the giant resonance is kinematically suppressed here. Pion absorption is found to increase considerably with decreasing pion energy due to a 1/νπ factor, and it shows a dip in the forward direction except for the 1+ state. Distortion and absorption effects on the pion are calculated, and are estimated to lead to only a small reduction of the cross section in the energy region considered.

scholarly journals Spin observables in charged pion photo-production from polarized neutrons in solid HD at Jefferson Lab

2018 ◽  
Author(s):  
Tsuneo Kageya ◽  
D. Ho ◽  
P. Peng ◽  
F. Klein ◽  
A.M. Sandorfi ◽  
...  
Keyword(s):  
Charged Pion ◽  
Polarized Neutrons ◽  
Jefferson Lab ◽  
Spin Observables ◽  
Solid Hd ◽  
Photo Production
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