F. S. Stephens

Publication List Details

Period

1976 - 2008

Number

161

Co-Authors

Evidence for a New Type of Shears Mechanism in 106Cd (2003)

Simons, A.J., Wadsworth, R., Jenkins, D.G., Clark, R.M., Cromaz, M., Deleplanque, M.A., ...

Lifetimes of states in the lowest lying positive parity band in 106Cd have been measured using the Doppler shift attenuation method. The deduced B(E2) transition rates show a marked decrease with...

Fast Rotation of the N=Z Nucleus 36Ar (2001)

Svensson, C. E., Macchiavelli, A. O., Juodagalvis, A., Poves, A., Ragnarsson, I., Aberg, S., ...

A highly-deformed rotational band has been identified in the N=Z nucleus 36Ar. At high spin the band is observed to its presumed termination at I=16+, while at low spin it has been firmly linked to...

Collective T=0 pairing in N=Z nuclei? Pairing vibrations around 56Ni revisited (1999)

Macchiavelli, A. O., Fallon, P., Clark, R. M., Cromaz, M., Deleplanque, M. A., Diamond, R. M., ...

We present a new analysis of the pairing vibrations around 56Ni, with emphasis on odd-odd nuclei. This analysis of the experimental excitation energies is based on the subtraction of average...

Is there np pairing in odd-odd N=Z nuclei? (1999)

Macchiavelli, A. O., Fallon, P., Clark, R. M., Cromaz, M., Deleplanque, M. A., Diamond, R. M., ...

The binding energies of even-even and odd-odd N=Z nuclei are compared. After correcting for the symmetry energy we find that the lowest T=1 state in odd-odd N=Z nuclei is as bound as the ground state...

Search for Strange Matter by Heavy Ion Activation (1998)

Isaac, M. C. Perillo, Chan, Y. D., Clark, R., Deleplanque, M. A., Dragowsky, M. R., Fallon, P., ...

We present the results of an experimental search for stable strange matter using the heavy ion activation technique. We studied samples of a meteorite, terrestrial nickel ore, and lunar soil. Our...

A New Measurement of the Partial 0+->0+ Half Life of 10C with GAMMASPHERE (1998)

Fujikawa, B. K., Asztalos, S. J., Clark, R. M., Fallon, P., Freedman, S. J., ...

We report on a new measurement of the strength of the superallowed 0+->0+ transition in the beta-decay of 10C: 10C(0+,g.s.)->10B(0+,1.74MeV)+e+nu. The experiment was done at the LBNL 88-inch...

Superdeformation in $^{198}$Po (1995)

McNabb, D. P., Baldsiefen, G., Bernstein, L. A., Cizewski, J. A., Younes, W., ...

The $^{174}$Yb($^{29}$Si,5n) reaction at 148 MeV with thin targets was used to populate high-angular momentum states in $^{198}$Po. Resulting $\gamma$ rays were observed with Gammasphere. A...

Onset of Collectivity in Neutron Deficient $^{196,198}$Po (1995)

Bernstein, L. A., Cizewski, J. A., Younes, W., Henry, R. G., Farris, L. P., ...

We have studied via in-beam $\gamma$-ray spectroscopy $^{196}$Po and $^{198}$Po, which are the first neutron-deficient Po isotopes to exhibit a collective low-lying structure. The ratios of yrast...

Correlated two-photon lines from 6-MeV/nucleon U+Th, U+U, and Th+Th collisions (1989)

Danzmann, Karsten, Meyerhof, W. E., Montenegro, E. C., Dillard, E., Hülskötter, H. P., Guardala, N., ...

We find that narrow lines at 1043 and 1062 keV in the summed-energy, 180°-correlated two-photon spectrum from ≊6-MeV/nucleon U+Th collisions can be produced by cascades from high-spin states (32+)...

180°-correlated equal-energy photons from 5.9-MeV/nucleon U + Th collisions (1987)

Danzmann, Karsten, Meyerhof, W. E., Montenegro, E. C., Xu, Xiang-Yuan, Dillard, E., Hülskötter, H. P., ...

We have found a narrow line (intrinsic width ≤2.5 keV) at 1062±1 keV in the summed-energy 180°-c.m.-correlated two-photon spectrum from 5.95-MeV/nucleon U+Th collisions. Including possible...

Search for Correlated Narrow-Peak Structure in the Two-Photon Spectrum from 6-MeV/ Nucleon U + Th Collisions (1986)

Meyerhof, W. E., Molitoris, J. D., Danzmann, Karsten, Spooner, D. W., Stephens, F. S., Diamond, R. M., ...

We have searched for 180° (c.m.) correlated equal-energy two-photon decays produced in 6-MeV/nucleon U + Th collisions. In the summed-energy region between 1.5 and 1.8 MeV, we set an upper limit of...

NUCLEAR STRUCTURE AT HIGH SPINS (1980)

Stephens, F.S.

Nuclear structure at the highest spins is very likely to involve both collective and single-particle aspects. The liquid-drop model favors shapes that imply combinations of collective (rotational)...

NUCLEAR STRUCTURE AT HIGH SPINS (1980)

Stephens, F.S.

Nuclear structure at the highest spins is very likely to involve both collective and single-particle aspects. The liquid-drop model favors shapes that imply combinations of collective (rotational)...

NUCLEAR STRUCTURE AT HIGH SPINS (1980)

Stephens, F.S.

Nuclear structure at the highest spins is very likely to involve both collective and single-particle aspects. The liquid-drop model favors shapes that imply combinations of collective (rotational)...