THE SAID PWA PROGRAM

2003 ◽  
Vol 18 (03) ◽  
pp. 449-455 ◽  
Author(s):  
R. A. Arndt ◽  
I. I. Strakovsky ◽  
R. L. Workman

The range of SAID activities is outlined. These include database management, partial-wave analysis, and the determination of resonance properties. As the relationships between amplitude analysis, partial-wave analysis, and resonance extraction are often confused, comments are made in order to clarify the key differences. The multipole analysis of single-pion photoproduction is described in detail in order to show model-dependence appears in our fits to data.

2003 ◽  
Vol 18 (03) ◽  
pp. 355-366
Author(s):  
A. Donnachie

The role of analyticity in partial wave analysis is emphasized and the concept of two-component duality is introduced and illustrated with examples from π N scattering. An intrinsic n-fold ambiguity in partial wave analysis is discussed in terms of Barrelet zeros and techniques for removing the ambiguities are outlined. The problems of resonance backgrounds are touched upon.


1990 ◽  
Vol 42 (5) ◽  
pp. 1853-1863 ◽  
Author(s):  
Richard A. Arndt ◽  
Ron L. Workman ◽  
Zhujun Li ◽  
L. David Roper

2021 ◽  
Vol 104 (3) ◽  
Author(s):  
H. Osmanović ◽  
M. Hadžimehmedović ◽  
R. Omerović ◽  
J. Stahov ◽  
V. Kashevarov ◽  
...  

1985 ◽  
Vol 50 (10) ◽  
pp. 2093-2100
Author(s):  
Štěpán Pick ◽  
Mojmír Tomášek ◽  
Mojmír Šob

Partial wave analysis together with the qualitative examination of hybridization has been performed for two ordered intermetallic alloys with CsCl structure, FeV, and CoTi. The results resemble those obtained previously for FeTi, although important deviations are present as well. The stabilization of the ordered phase is again due to ionic effects. Qualitative arguments are suggested to explain the small stability of the CsCl phase of FeV and some differences in the FeTi and CoTi phase diagrams.


1975 ◽  
Vol 90 ◽  
pp. 1-19 ◽  
Author(s):  
A. de Bellefon ◽  
A. Berthon ◽  
J. Brunet ◽  
G. Tristram ◽  
J. Vrana ◽  
...  

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