Orbital Recoupling Dominance in the A = 20 Isovector Giant MI Transition

Technical Report · Mon Dec 01 04:00:00 EST 1980

DOI:https://doi.org/10.2172/1133675· OSTI ID:1133675

Martoff, C. J. ^[1]; Bistirlich, J. A. ^[1]; Crowe, K. M. ^[1]; Koike, M. ^[1]; Miller, J. P. ^[1]; Rosenblum, S. S. ^[1]; Zajc, W. A. ^[1]; Baer, H. W. ^[1]; Wapstra, A. H. ^[1]; Strassner, G. ^[1]; Truol, P. ^[1]

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1. Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (United States)

The relative importance of orbital and spin flip terms in the M1 transition between the ground and 11.24 MeV states in ²⁰Ne is determined from a measurement of the analog transition ²⁰Ne(π^-,Υ)²⁰F (1 ⁺}, 1.06 MeV) with stopped pions. The M1 amplitude contains only (47 ± 16)% spin flip, in agreement with published results of shell model calculations, Excitation of 2^- states by ²⁰Ne(π^-,Υ) is also observed.

• Research Organization: Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (United States)
• Sponsoring Organization: USDOE Office of Nuclear Energy (NE)
• DOE Contract Number: AC02-05CH11231
• OSTI ID: 1133675
• Report Number(s): LBL--11914
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS