Investigation of196,198Pt and202,204Hg with the (d, pn?) reaction

Autor:	K. Euler, C. Günther, J. Recht, K. Hardt, K.P. Blume, V. Kölschbach, P. Schüler, H. Wilzek
Rok vydání:	1984
Předmět:	Physics Nuclear and High Energy Physics education.field_of_study Spins Deuterium Yrast SHELL model Population Level structure Nuclear fusion Interacting boson model Atomic physics education
Zdroj:	Zeitschrift f�r Physik A Atoms and Nuclei. 317:313-324
ISSN:	1434-601X 0340-2193
DOI:	10.1007/bf01438363
Popis:	Gamma-ray and conversion electron spectra were measured in the reaction of 25 MeV deuterons on174Yb,196,198Pt,202,204Hg, and232Th. The (d,pxn) deuteron break-up reactions were studied by the measurement ofpγ- andγγ-coincidences. Levels with spins up to approximately 10ħ are observed in the (d,pn) reactions, with a strong preference of the population of yrast states. In the Pt and Hg nuclei the ground bands are seen up to the 6+ states and in196,198pt the semi-decoupled 5−, 7−, and 9− yrast levels are populated most strongly. In202,204Hg we observe fairly strongly new levels with tentative assignments of 5− and 7−. In addition a number of previously unknown levels are identified in the Pt and Hg nuclei, for which no spin-parity assignments could be obtained. A discussion of the level structure in terms of the interacting boson model (196,198Pt) and the shell model (202,204Hg) is given.
Databáze:	OpenAIRE
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