Parity violation in the compound nucleus

Journal Article · Mon Jul 10 04:00:00 EDT 1995 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.48451· OSTI ID:253229

Bowman, J D; Frankle, C M; Green, A A; Knudson, J N; Penttilae, S I; Seestrom, S J; Yen, Y; Yuan, V W ^[1]; Crawford, B E; Roberson, N R ^[2]; Gould, C R; Haase, D G; Lowie, L Y; Mitchell, G E; Stevenson, S I ^[3]; Delheij, P P.J. ^[4]; Sharapov, E I ^[5]; Postma, H ^[6]; Masuda, Y; Shimizu, H M ^[7] ; Iinuma, M; Masaike, A; Matsuda, Y ^[8]; Fukuda, K ^[9]

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1. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
2. Duke University, Durham, North Carolina 27706 (United States)
3. North Carolina State University, Raleigh, North Carolina 27695 (United States)
4. TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, VT6 2A3 (Canada)
5. Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation)
6. University of Technology, P.O. Box 5046, 2600 GA, Delft (Netherlands)
7. National Laboratory for High Energy Physics, 1-1 Oho, Tsukuba-shi 305 (Japan)
8. Department of Physics, Kyoto University, Kyoto 606 (Japan)
9. Department of Physiology, Meiji College of Oriental Medicine, Hiyoshi-cho, Funai-gun, Kyoto 629, Japan Th, TRIPLE Collabora (Japan)

The status of parity violation in the compound nucleus is reviewed. The results of previous experimental results obtained by scattering polarized epithermal neutrons from heavy nuclei in the 3-{ital p} and 4-{ital p} {ital p}-wave strength function peaks are presented. Experimental techniques are presented. The extraction of the mean squared matrix element of the parity-violating interaction, {ital M}{sup 2}, between compound-nuclear levels and the relationship of {ital M}{sup 2} to the coupling strengths in the meson exchange weak nucleon-nucleon potential are discussed. The tendency of measured asymmetries to have a common sign and theoretical implications are discussed. New experimental results are presented that show that the common sign phenomenon is not universal, as theoretical models developed up to now would predict. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.

• Sponsoring Organization: USDOE
• DOE Contract Number: FG05-88ER40441; FG05-91ER40619; W-7405-ENG-36
• OSTI ID: 253229
• Report Number(s): CONF-940514--
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 338; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
COMPOUND NUCLEI
NEUTRON REACTIONS
P INVARIANCE
SYMMETRY BREAKING
THORIUM 232 TARGET
URANIUM 238 TARGET