Transition Quadrupole Moments in the Superdeformed Band of 40Ca

The transition quadrupole moments Q(t) for the superdeformed band in Ca-40 have been determined through thin-target Doppler-shift attenuation analyses. A best-fit value of Q(t)=1.30+/-0.05 e b is obtained when a single value is assumed for the entire band. Fitting separate quadrupole moments for in-band transitions decaying from the high-spin states and the presumably admixed low-spin states results in Q(t)(high)= 1.81(-0.26)(+0.41) e b and Q(t)(low)=1.18(-0.05)(+0.06) e b, respectively. Q(t) values extracted for individual transitions in a Doppler-broadened line-shape analysis also indicate smaller Q(t) values at lower spins. These results are consistent with the interpretation of this band as an eight-particle-eight-hole superdeformed band with a significant admixture of less-collective configurations at low spins.

Ideguchi, E (author)
Devlin, M (author)
LaFosse, DR (author)
Lerma, F (author)
Reviol, W (author)
Ryu, SK (author)
Sarantites, DG (author)
Baktash, C (author)
Galindo-Uribarri, A (author)
Carpenter, MP (author)
Janssens, RVF (author)
Lauritsen, T (author)
Lister, CJ (author)
Reiter, P (author)
Seweryniak, D (author)
Fallon, P (author)
Gorgen, A (author)
Macchiavelli, AO (author)
Rudolph, DirkLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-dru (author)
KärnfysikFysiska institutionen (creator_code:org_t)

By the author/editor: Chiara, CJ; Ideguchi, E; Devlin, M; LaFosse, DR; Lerma, F; Reviol, W; show more...; Ryu, SK; Sarantites, DG; Baktash, C; Galindo-Uribarri ...; Carpenter, MP; Janssens, RVF; Lauritsen, T; Lister, CJ; Reiter, P; Seweryniak, D; Fallon, P; Gorgen, A; Macchiavelli, AO; Rudolph, Dirk; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Subatomic Physic ...

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