Isospin splitting of transition amplitudes from photoproduction of eta mesons on deuterium

1996 ◽  
Vol 36 ◽  
pp. 131-136
Author(s):  
P. Hoffman-Rothe ◽  
E. Hourany ◽  
M. Breuer ◽  
J.-P. Didelez ◽  
M. Rigney ◽  
...  
Keyword(s):  
Eta Mesons ◽  
Isospin Splitting ◽  
Transition Amplitudes

scholarly journals Reducing a Class of Two-Dimensional Integrals to One-Dimension with an Application to Gaussian Transforms

Atoms ◽  
2020 ◽  
Vol 8 (3) ◽  
pp. 53
Author(s):  
Jack C. Straton
Keyword(s):  
Quantum Theory ◽  
Arbitrary Function ◽  
Plane Waves ◽  
Wave Functions ◽  
One Dimension ◽  
Two Dimensional ◽  
Transition Amplitudes ◽  
Multidimensional Integrals ◽  
Coulomb Potentials

Quantum theory is awash in multidimensional integrals that contain exponentials in the integration variables, their inverses, and inverse polynomials of those variables. The present paper introduces a means to reduce pairs of such integrals to one dimension when the integrand contains powers multiplied by an arbitrary function of xy/(x+y) multiplying various combinations of exponentials. In some cases these exponentials arise directly from transition-amplitudes involving products of plane waves, hydrogenic wave functions, and Yukawa and/or Coulomb potentials. In other cases these exponentials arise from Gaussian transforms of such functions.

A single Lanczos propagation method for calculating transition amplitudes

1999 ◽  
Vol 111 (22) ◽  
pp. 9944-9951 ◽  
Author(s):  
Rongqing Chen ◽  
Hua Guo
Keyword(s):  
Transition Amplitudes

Time reversal in field theory

1955 ◽  
Vol 231 (1187) ◽  
pp. 479-495 ◽  
Keyword(s):  
Field Theory ◽  
Time Reversal ◽  
First Principles ◽  
Relativistic Invariance ◽  
Quantized Fields ◽  
Transition Amplitudes

The idea of reversibility in time as applied to quantized fields is expounded from first principles. It is shown that in the usual theories reversibility of a certain kind is a concomitant of relativistic invariance and symmetry in space. Finally the relations between transition amplitudes consequent on the reversibility are derived.

Isospin splitting of E1 resonances in 88Sr and 90Zr

1969 ◽  
Vol 30 (5) ◽  
pp. 337-339 ◽  
Author(s):  
M. Hasinoff ◽  
G.A. Fisher ◽  
H.M. Kuan ◽  
S.S. Hanna
Keyword(s):  
Isospin Splitting

Photoproduction of eta mesons on neutrons

2014 ◽  
Vol 77 (2) ◽  
pp. 218-223 ◽  
Author(s):  
V. A. Tryasuchev
Keyword(s):  
Eta Mesons

scholarly journals The Kaon B-parameter and K-π and K-ππ transition amplitudes on the lattice

1988 ◽  
Vol 306 (4) ◽  
pp. 677-696 ◽  
Author(s):  
M.B. Gavela ◽  
L. Maiani ◽  
S. Petrarca ◽  
F. Rapuano ◽  
G. Martinelli ◽  
...  
Keyword(s):  
Transition Amplitudes
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