Collective properties of the odd-mass Cs nuclei. II. /sup 119,121,123,125/Cs

Journal Article · Mon Jan 01 04:00:00 EST 1979 · Phys. Rev., C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.19.217· OSTI ID:6333350

Garg, U; Sjoreen, T P; Fossan, D B

Using the techniques of in-beam ..gamma..-ray spectroscopy, in high-spin states in the odd-mass /sup 119en-dash125/Cs have been studied via the /sup 106/Cd(/sup 16/O,p2n)/sup 119/Cs, /sup 110en-dash114/Cd(/sup 14/N,3n)/sup 121en-dash125/Cs, and /sup 116,118/Sn(/sup 10/B,3n)/sup 123,125/Cs reactions on enriched, self-supporting targets. Two distinct collective features are observed in the resulting level schemes: ..delta..J = 2 bands built on the 11/2/sup -/ (1h/sub 11/2/ quasiproton) states, and ..delta..J = 1 bands built on the 9/2/sup +/ (1g/sub 9/2/ proton-hole) states. The 9/2/sup +/ bandheads, believed to result from the excitation of the 1g/sub 9/2/ proton across the Z = 50 closed shell, are observed at surprisingly low energies, becoming the ground state in /sup 119/Cs. The systematics of the 9/2/sup +/ ..delta..J = 1 bands are presented and discussed in terms of the particle-plus-rotor and particle-plus-vibrator models. A deformed structure relationship between the excitation of a 1g/sub 9/2/ proton and the excitation of a pair of 1g/sub 9/2/ protons across the Z = 50 closed shell is discussed.

• Research Organization: Department of Physics, State University of New York, Stony Brook, New York 11794
• OSTI ID: 6333350
• Journal Information: Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 19:1; ISSN PRVCA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALI METAL ISOTOPES
BARYONS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BORON 10 REACTIONS
CADMIUM 110 TARGET
CADMIUM 112 TARGET
CADMIUM 114 TARGET
CESIUM 119
CESIUM 121
CESIUM 123
CESIUM 125
CESIUM ISOTOPES
CHARGED-PARTICLE REACTIONS
COINCIDENCE SPECTROMETRY
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
ENERGY LEVELS
EXCITED STATES
FERMIONS
FUSION REACTIONS
GAMMA SPECTRA
HADRONS
HEAVY ION REACTIONS
HIGH SPIN STATES
ISOTOPES
MINUTES LIVING RADIOISOTOPES
NEUTRONS
NITROGEN 14 REACTIONS
NUCLEAR REACTIONS
NUCLEAR STRUCTURE
NUCLEI
NUCLEONS
ODD-EVEN NUCLEI
OXYGEN 16 REACTIONS
PROTONS
RADIOISOTOPES
ROTATIONAL STATES
SPECTRA
TARGETS
TIN 116 TARGET
TIN 118 TARGET