Isospin character of the transition to the 0. 803-MeV state in sup 206 Pb from. pi. sup + scattering at 180 MeV

Journal Article · Sat Aug 01 04:00:00 EDT 1992 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.46.499· OSTI ID:7105706

Horen, D J; Morris, C L; Seestrom, S J; Hersman, F W; Calarco, J R; Holtrop, M; Leuschner, M; Rawool-Sullivan, M; Garnett, R W; Greene, S J; Plum, M A; Zumbro, J D ^[1]

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1. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States) Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States) University of New Hampshire, Durham, New Hampshire 03824 (United States) New Mexico State University, Las Cruces, New Mexico 88003 (United States) University of Pennsylvania, Philadelphia, Pennsylvania 19104 (United States)

Elastic and inelastic {pi}{sup {plus minus}} scattering by {sup 206}Pb has been studied to measure the isospin character of transitions to bound states. The data have been interpreted using both distorted wave impulse approximation and optical model potentials. The data for the collective states at 2.647 MeV (3{sup {minus}}) and 4.111 MeV (2{sup +}) are well reproduced with {delta}{sub {ital l}}{sup +}={delta}{sub {ital l}}{sup {minus}}={delta}{sub {ital l}}{sup {ital p}}, i.e., assuming that these transitions are isoscalar. For the 0.803-MeV, 2{sup +} level we deduce {ital M}{sub {ital n}}/{ital M}{sub {ital p}}=2.6{plus minus}0.3 which is in excellent agreement with a value obtained from inelastic heavy-ion scattering.

• DOE Contract Number: AC05-84OR21400; W-7405-ENG-36
• OSTI ID: 7105706
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 46:2; ISSN 0556-2813; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

663460* -- Meson- & Hyperon-induced Reactions & Scattering-- (1992-)
663580 -- Nuclear Mass Ranges-- A=190-219-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOUND STATE
CHARGED-PARTICLE REACTIONS
COLLECTIVE EXCITATIONS
DISTORTED WAVE THEORY
ELASTIC SCATTERING
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
HADRON REACTIONS
IMPULSE APPROXIMATION
INELASTIC SCATTERING
ISOSPIN
LEAD 206 TARGET
MESON REACTIONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR REACTIONS
OPTICAL MODELS
PARTICLE PROPERTIES
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SCATTERING
TARGETS