Current Algebra, Dispersion Relations, and theϱ+−ϱ0Mass Difference

1969 ◽  
Vol 177 (5) ◽  
pp. 2512-2514 ◽  
Author(s):  
J. S. Vaishya
1967 ◽  
Vol 48 (2) ◽  
pp. 531-533
Author(s):  
A. Minguzzi ◽  
G. Velo

1968 ◽  
Vol 174 (5) ◽  
pp. 2033-2036 ◽  
Author(s):  
J. C. Pati ◽  
K. J. Sebastian

1990 ◽  
Vol 05 (02) ◽  
pp. 101-106 ◽  
Author(s):  
LUIS MASPERI ◽  
GALILEO VIOLINI

We estimate through the analysis of dispersion relations and current algebra sum rules that the experimentally searched excited state of nucleon with mass below pion-nucleon threshold must have a coupling one order of magnitude smaller than the normal pion-nucleon one [Formula: see text] as an upper bound.


1969 ◽  
Vol 12 (1) ◽  
pp. 187-196 ◽  
Author(s):  
Hans D. Dahmen ◽  
Klaus D. Rothe

Sign in / Sign up

Export Citation Format

Share Document