Improved Optical Potential for the Low-energy and Medium-energy $\pi^- ^{4}$He Elastic Scattering - INSPIRE

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Improved Optical Potential for the Low-energy and Medium-energy \pi^- ^{4}He Elastic Scattering

Masashi Wakamatsu
(
- Tokyo U., Komaba
)

Jul, 1978

30 pages

Published in:

Nucl.Phys.A 312 (1978) 427-456

Published: 1978

DOI:

10.1016/0375-9474(78)90602-4

Report number:

Print-78-0679 (TOKYO)

View in:

Nuclear Science References

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Abstract: (Elsevier)

Effects of the second-order correction in multiple scattering theory and the nucleon binding correction to the optical potential are investigated in π − - 4 He elastic scattering and total reaction cross-sections. The second-order correction includes not only nucleon-nucleon correlation effects but also the contribution from spin (isospin) double-flip processes. It is found that the latter has an ascendency over the former. We have also shown that the nucleon binding effect is very important to reproduce the energy dependence of the total elastic cross section and the total reaction cross section, especially in the low energy and resonance energy regions.

Note:

Revised version of Print-77-0900 (TOKYO)

PI- LIGHT NUCLEUS: ELASTIC SCATTERING
ELASTIC SCATTERING: PI- LIGHT NUCLEUS
HELIUM
MODEL: OFF-SHELL
POTENTIAL: OPTICAL
POTENTIAL: CORRECTION
MULTIPLE SCATTERING
NUCLEON: BOUND STATE
NUCLEON NUCLEON: CORRELATION
S-MATRIX

References(38)

Figures(0)

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