Current algebra and unphysical range in dispersion relations

1967 ◽  
Vol 48 (2) ◽  
pp. 531-533
Author(s):  
A. Minguzzi ◽  
G. Velo
Keyword(s):  
Current Algebra ◽  
Dispersion Relations

Once-Subtracted Dispersion Relations, Current Algebra, andKl3Form Factors

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

LIMITS SET BY ANALYTICITY AND CURRENT ALGEBRA ON THE EXISTENCE OF A HEAVY NUCLEON

1990 ◽  
Vol 05 (02) ◽  
pp. 101-106 ◽  
Author(s):  
LUIS MASPERI ◽  
GALILEO VIOLINI
Keyword(s):  
Excited State ◽  
Current Algebra ◽  
Upper Bound ◽  
Sum Rules ◽  
Dispersion Relations ◽  
Order Of Magnitude ◽  
Pion Nucleon ◽  
Analysis Of Dispersion

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.

Current algebra and dispersion relations

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