Possible evidence for multistep processes in the (d,t) reaction on rare- earth nuclei
Journal Article
·
· Phys. Rev., C, v. 8, no. 6, pp. 2390-2396
The (d, t) reaction has been studled for targets of /sup 160/Gd. /sup 162,164/Dy, and /sup 166,168/Er at a deuteron energy of 17 MeV. Although th e angular distributions for transitions populating most residual states are well reproduced by distorted-wave Born-approximation (DWBA) calculations, a number of transitions have angular distributions whose shape departs significantly from the DWBA predictions. This paper presents a sample of 10 such anomalous transitions which were selected because their Nilsson model band assignments are reasonably well established and their cross sections are reasonably large relative to cross sections for transitions to well fit levels of the same spin-parity. The levels which exhibit anomalous angular-distribution shapes also tend to have anomalous cross sections (spectroscopic factor) relative to Nilsson model predictions. Also most of these levels are concentrated in the 11/2-STA505!, 3/2-STA521!, and 5/2+STA642! bands. (auth)
- Research Organization:
- Nuclear Physics Laboratory, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-29-022973
- OSTI ID:
- 4343055
- Journal Information:
- Phys. Rev., C, v. 8, no. 6, pp. 2390-2396, Journal Name: Phys. Rev., C, v. 8, no. 6, pp. 2390-2396; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ANGULAR DISTRIBUTION-- DEUTERON REACTIONS-- DIFFERENTIAL CROSS SECTIONS-- DWBA-- DYSPROSIUM 161-- DYSPROSIUM 162-- ERBIUM 165-- ERBIUM 166-- MEV RANGE 10- 100-- NUCLEAR REACTION KINETICS-- ONE-NUCLEON TRANSFER REACTIONS-- PICKUP REACTIONS-- TRITONS
ANGULAR DISTRIBUTION-- DEUTERON REACTIONS-- DIFFERENTIAL CROSS SECTIONS-- DWBA-- DYSPROSIUM 163-- DYSPROSIUM 164-- ERBIUM 167- - ERBIUM 168-- GADOLINIUM 159-- GADOLINIUM 160-- MEV RANGE 10-100-- NUCLEAR REACTION KINETICS-- ONE-NUCLEON TRANSFER REACTIONS-- PICKUP REACTIONS-- TRITONS
DYSPROSIUM 161-- DYSPROSIUM 163-- ERBIUM 165-- ERBIUM 167-- GADOLINIUM 159-- NILSSON-MOTTELSON MODEL-- PARITY-- ROTA
N68831 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
150 <= A <= 189--Energy Levels & Transitions
N68851* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
150 <= A <= 189--Nuclear Reactions & Scattering
ANGULAR DISTRIBUTION-- DEUTERON REACTIONS-- DIFFERENTIAL CROSS SECTIONS-- DWBA-- DYSPROSIUM 163-- DYSPROSIUM 164-- ERBIUM 167- - ERBIUM 168-- GADOLINIUM 159-- GADOLINIUM 160-- MEV RANGE 10-100-- NUCLEAR REACTION KINETICS-- ONE-NUCLEON TRANSFER REACTIONS-- PICKUP REACTIONS-- TRITONS
DYSPROSIUM 161-- DYSPROSIUM 163-- ERBIUM 165-- ERBIUM 167-- GADOLINIUM 159-- NILSSON-MOTTELSON MODEL-- PARITY-- ROTA
N68831 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
150 <= A <= 189--Energy Levels & Transitions
N68851* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
150 <= A <= 189--Nuclear Reactions & Scattering