Details of Grant 

EPSRC Reference:	GR/R57720/01
Title:	Study of valance space limitation on the structure of nuclei and the study of nuclear correlations at very high angular momentum
Principal Investigator:	Nolan, Professor P
Other Investigators:	Twin, Professor P
Researcher Co-Investigators:
Project Partners:	Lawrence Berkeley National Laboratory Subatomic Research Inst Strasbourg IRES
Department:	Physics
Organisation:	University of Liverpool
Scheme:	Standard Research (Pre-FEC)
Starts:	01 June 2002	Ends:	31 October 2005	Value (£):	315,737
EPSRC Research Topic Classifications:	Nuclear Structure
EPSRC Industrial Sector Classifications:	Environment Healthcare Energy
Related Grants:	GR/R57713/01
Panel History:
Summary on Grant Application Form
A persistent theme in science is to investigate the behaviour of physical systems under extreme conditions. The quest to observe increasingly high angular momentum states has driven the field of gamma-ray spectroscopy for many years. Each step forward in detector technology has enabled an increasingly rich variety of phemomena to be observed. This proposal aims to study nuclei at the highest possible spins. The main aim is to study the effects of valence space exhaustion in the smooth band terminating states in 110Te and the superdeformed band in 132Ce. Both nuclei have rotational characteristics at low spin, but at high spin can be described as 10 and 32 particles respectively outside a 100Sn core. The model predicts the energies of the states, their deformations and the spins of terminating states. These predictions will be tested experimentally. The model has also been used to predict the properties of 158Er, 12 particles plus a 146Gd core. here the band terminating states have been experimentally and the aim will be to test the model predictions for the next states which involve particle hole extractions of the core. The model assumes that the states are unpaired. There is some experimental evidence on the spin at which static neutron pairing disappears. In this proposal we will study 159Tm to investigate the collapse of static proton pairing for which there is little experimental evidence. These studies are now possible with the latest generation of gamma-ray spectrometers, namely Eurobal and Gammasphere, both of which will be used in this joint proposal with Darsbury Laboratory.
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Organisation Website:	http://www.liv.ac.uk