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Title: The i{sub 11/2}f{sub 5/2} and i{sub 11/2}p{sub 3/2} neutron particle-hole multiplets in {sup 208}Pb

Abstract

Inelastic proton scattering via isobaric analog resonances allows derivation of rather complete information about neutron particle-hole states. We applied this method to the doubly-magic nucleus {sup 208}Pb by measuring angular distributions of the reaction {sup 208}Pb(p,p{sup '}) on top of the isobaric analog resonances in {sup 209}Bi with the Q3D magnetic spectrograph at Muenchen. We identify the six states of the i{sub 11/2}f{sub 5/2} multiplet and the four states of the i{sub 11/2}p{sub 3/2} multiplet in the energy range 4.6 MeV<E{sub x}<5.3 MeV. Firm spin assignments for the 10 states are given, most of them new. Additional measurements of the reaction {sup 207}Pb(d,p) confirm the assignments. A new state at E{sub x}=5239 keV has a dominant proton particle-hole structure with spin 4{sup -}.

Authors:
; ; ; ; ; ; ; ; ; ;  [1]
  1. Max-Planck-Institut fuer Kernphysik, D-69029 Heidelberg (Germany)
Publication Date:
OSTI Identifier:
20863775
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 74; Journal Issue: 3; Other Information: DOI: 10.1103/PhysRevC.74.034303; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ANGULAR DISTRIBUTION; BISMUTH 209; DEUTERON REACTIONS; INELASTIC SCATTERING; ISOBARIC ANALOGS; KEV RANGE; LEAD 207; LEAD 208 TARGET; MAGIC NUCLEI; MEV RANGE; MULTIPLETS; NEUTRONS; PARTICLE-HOLE MODEL; PROTON REACTIONS; PROTONS; RESONANCE; SPIN

Citation Formats

Heusler, A, Graw, G, Hertenberger, R, Riess, F, Wirth, H -F, Faestermann, T, Kruecken, R, Jolie, J, Muecher, D, Pietralla, N, Brentano, P von, Sektion Physik der Universitaet Muenchen, D-85748 Garching, Physik Department E12, Technische Universitaet Muenchen, D-85748 Garching, and Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Cologne. The i{sub 11/2}f{sub 5/2} and i{sub 11/2}p{sub 3/2} neutron particle-hole multiplets in {sup 208}Pb. United States: N. p., 2006. Web. doi:10.1103/PHYSREVC.74.034303.
Heusler, A, Graw, G, Hertenberger, R, Riess, F, Wirth, H -F, Faestermann, T, Kruecken, R, Jolie, J, Muecher, D, Pietralla, N, Brentano, P von, Sektion Physik der Universitaet Muenchen, D-85748 Garching, Physik Department E12, Technische Universitaet Muenchen, D-85748 Garching, & Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Cologne. The i{sub 11/2}f{sub 5/2} and i{sub 11/2}p{sub 3/2} neutron particle-hole multiplets in {sup 208}Pb. United States. doi:10.1103/PHYSREVC.74.034303.
Heusler, A, Graw, G, Hertenberger, R, Riess, F, Wirth, H -F, Faestermann, T, Kruecken, R, Jolie, J, Muecher, D, Pietralla, N, Brentano, P von, Sektion Physik der Universitaet Muenchen, D-85748 Garching, Physik Department E12, Technische Universitaet Muenchen, D-85748 Garching, and Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Cologne. Fri . "The i{sub 11/2}f{sub 5/2} and i{sub 11/2}p{sub 3/2} neutron particle-hole multiplets in {sup 208}Pb". United States. doi:10.1103/PHYSREVC.74.034303.
@article{osti_20863775,
title = {The i{sub 11/2}f{sub 5/2} and i{sub 11/2}p{sub 3/2} neutron particle-hole multiplets in {sup 208}Pb},
author = {Heusler, A and Graw, G and Hertenberger, R and Riess, F and Wirth, H -F and Faestermann, T and Kruecken, R and Jolie, J and Muecher, D and Pietralla, N and Brentano, P von and Sektion Physik der Universitaet Muenchen, D-85748 Garching and Physik Department E12, Technische Universitaet Muenchen, D-85748 Garching and Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Cologne},
abstractNote = {Inelastic proton scattering via isobaric analog resonances allows derivation of rather complete information about neutron particle-hole states. We applied this method to the doubly-magic nucleus {sup 208}Pb by measuring angular distributions of the reaction {sup 208}Pb(p,p{sup '}) on top of the isobaric analog resonances in {sup 209}Bi with the Q3D magnetic spectrograph at Muenchen. We identify the six states of the i{sub 11/2}f{sub 5/2} multiplet and the four states of the i{sub 11/2}p{sub 3/2} multiplet in the energy range 4.6 MeV<E{sub x}<5.3 MeV. Firm spin assignments for the 10 states are given, most of them new. Additional measurements of the reaction {sup 207}Pb(d,p) confirm the assignments. A new state at E{sub x}=5239 keV has a dominant proton particle-hole structure with spin 4{sup -}.},
doi = {10.1103/PHYSREVC.74.034303},
journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 3,
volume = 74,
place = {United States},
year = {2006},
month = {9}
}