PION-MOMENTUM SPECTRUM FROM K$sup -$ ABSORPTION IN HELIUM
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
OSTI ID:4154367
The pion-momentum spectrum from K/sup -/ absorption stars in helium is calculated in the impulse approximation. The kaon is assumed to be pseudoscalar and to be captured from the 1s state. A final state consisting of free particles is used. The effect of final bound states is considered and taken into account phenomenologically. All final-state interactions are neglected. It is shown that the shape of the momentum spectrum is determined mainly by kinematics, i.e., the shapes and position of the spectral peaks are quite insensitive to detailed dymamical assumptions such as the nature of the K parity and capture orbit. The effect of final-state interactions is discussed. (auth)
- Research Organization:
- Univ. of California, Berkeley; Syracuse Univ., N.Y.
- NSA Number:
- NSA-14-016194
- OSTI ID:
- 4154367
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10) 15; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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