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Evidence of initial state interactions in multinucleon pion absorption
Author(s) -
D. Androić,
G. Backenstoss,
D. Bosnar,
H. Breuer,
H. Döbbeling,
T. Dooling,
M. Furić,
P. A. M. Gram,
N.K. Gregory,
A. Hoffart,
C.H.Q. Ingram,
A. Klein,
K. Koch,
Jürgen Köhler,
B. Kotliński,
M. Kroedel,
G. S. Kyle,
A. Lehmann,
A.O. Mateos,
Kirk H. Michaelian,
Tomislav Petković,
R. Redwine,
D. Rowntree,
U. Sennhauser,
N. Šimičević,
R. Trezeciak,
H. Ullrich,
Meng Wang,
M. H. Wang,
H. J. Weyer,
M. Wildi,
K. Wilson
Publication year - 1996
Publication title -
physical review c
Language(s) - English
Resource type - Journals
eISSN - 1089-490X
pISSN - 0556-2813
DOI - 10.1103/physrevc.53.r2591
Subject(s) - pion , physics , nuclear physics , absorption (acoustics) , state (computer science) , atomic physics , optics , algorithm , computer science
The absorption of 239 MeV positive pions on $^{3}\mathrm{He}$, $^{4}\mathrm{He}$, N, and Ar is studied. A strong enhancement is seen in the differential cross sections in the kinematic region associated with free $\ensuremath{\pi}\ensuremath{-}p$ scattering. This enhancement is interpreted as a clear signature of initial state interactions in the absorption of pions on nuclei.

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