Search Results - "STEPHENS, F. S"

Order-to-chaos transition in rotational nuclei by Stephens, F S, Deleplanque, M A, Lee, I Y, Macchiavelli, A O, Ward, D, Fallon, P, Cromaz, M, Clark, R M, Descovich, M, Diamond, R M, Rodriguez-Vieitez, E

“…We have developed a new method to study the order-to-chaos transition in rotational nuclei. Correlations between successive gamma rays are used to determine…”
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Rotational damping in ytterbium nuclei by Stephens, F S, Deleplanque, M A, Lee, I Y, Ward, D, Fallon, P, Cromaz, M, Clark, R M, Diamond, R M, Macchiavelli, A O, Vetter, K

“…We have made the first clear measurements of rotational damping widths in nuclei. In a mixture of three Yb nuclei, these widths are 300 +/- 60 keV between 1.2…”
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High-K multi-quasiparticle states in 254No by Clark, R.M., Gregorich, K.E., Berryman, J.S., Ali, M.N., Allmond, J.M., Beausang, C.W., Cromaz, M., Deleplanque, M.A., Dragojević, I., Dvorak, J., Ellison, P.A., Fallon, P., Garcia, M.A., Gates, J.M., Gros, S., Jeppesen, H.B., Kaji, D., Lee, I.Y., Macchiavelli, A.O., Morimoto, K., Nitsche, H., Paschalis, S., Petri, M., Stavsetra, L., Stephens, F.S., Watanabe, H., Wiedeking, M.

“…We report results from an experiment on the decay of the high-K isomers in 254No. We have been able to establish the decay from the known high-lying…”
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GRETA: utilizing new concepts in γ-ray detection by Deleplanque, M.A., Lee, I.Y., Vetter, K., Schmid, G.J., Stephens, F.S., Clark, R.M., Diamond, R.M., Fallon, P., Macchiavelli, A.O.

“…We present a new concept for γ-ray detector arrays. An example, called GRETA (Gamma-Ray Energy Tracking Array), consists of highly segmented HPGe detectors…”
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GRETINA: A gamma ray energy tracking array by Lee, I.Y., Clark, R.M., Cromaz, M., Deleplanque, M.A., Descovich, M., Diamond, R.M., Fallon, P., Macchiavelli, A.O., Stephens, F.S., Ward, D.

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Coriolis effects and rotation alignment in nuclei by Stephens, F. S.

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Three-dimensional position sensitivity in two-dimensionally segmented HP-Ge detectors by Vetter, K., Kuhn, A., Deleplanque, M.A., Lee, I.Y., Stephens, F.S., Schmid, G.J., Beckedahl, D., Blair, J.J., Clark, R.M., Cromaz, M., Diamond, R.M., Fallon, P., Lane, G.J., Kammeraad, J.E., Macchiavelli, A.O., Svensson, C.E.

“…Measured- and simulated-pulse shapes in electrically segmented coaxial Ge detectors have been investigated. Three-dimensional position sensitivities have been…”
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In-beam measurement of the position resolution of a highly segmented coaxial germanium detector by Descovich, M., Lee, I.Y., Fallon, P., Cromaz, M., Macchiavelli, A.O., Radford, D.C., Vetter, K., Clark, R.M., Deleplanque, M.A., Stephens, F.S., Ward, D.

“…The position resolution of a highly segmented coaxial germanium detector was determined by analyzing the 2055 keV γ -ray transition of Zr 90 excited in a…”
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First lifetime measurement of dipole collective bands in neutron-deficient lead nuclei by Wang, TF, Henry, EA, Becker, JA, Kuhnert, A, Stoyer, MA, Yates, SW, Brinkman, MJ, Cizewski, JA, Macchiavelli, AO, Stephens, FS, Deleplanque, MA, Diamond, RM, Draper, JE, Azaiez, FA, Kelly, WH, Korten, W, Rubel, E, Akovali, YA

“…Lifetimes of states in two {Delta}{ital I}=1 bands in {sup 198}Pb have been measured using the Doppler-shift attenuation method. The in-band reduced transition…”
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A γ-ray tracking algorithm for the GRETA spectrometer by Schmid, G.J., Deleplanque, M.A., Lee, I.Y., Stephens, F.S., Vetter, K., Clark, R.M., Diamond, R.M., Fallon, P., Macchiavelli, A.O., MacLeod, R.W.

“…We discuss a γ-ray tracking algorithm that has been developed for the proposed gamma-ray energy tracking array (GRETA). This algorithm has been designed so as…”
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Very extended shapes in the A--110 region by Clark, R M, Fallon, P, Görgen, A, Cromaz, M, Deleplanque, M A, Diamond, R M, Lane, G J, Lee, I Y, Macchiavelli, A O, Ramos, R G, Stephens, F S, Svensson, C E, Vetter, K, Ward, D, Carpenter, M P, Janssens, R V, Wadsworth, R

“…High-angular-momentum states in 108Cd were populated via the (64)Ni((48)Ca,4n) reaction at a beam energy of 207 MeV. Gamma rays were detected using the…”
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Performance of the GRETA prototype detectors by Vetter, K., Kuhn, A., Lee, I.Y., Clark, R.M., Cromaz, M., Deleplanque, M.A., Diamond, R.M., Fallon, P., Lane, G.J., Macchiavelli, A.O., Maier, M.R., Stephens, F.S., Svensson, C.E., Yaver, H.

“…A working, two-dimensionally segmented Ge detector is one of the crucial elements in the development of GRETA – a next-generation 4π germanium detector array…”
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Spectroscopy of Rn, Ra and Th isotopes using multi-nucleon transfer reactions by Cocks, J.F.C., Hawcroft, D., Amzal, N., Butler, P.A., Cann, K.J., Greenlees, P.T., Jones, G.D., Asztalos, S., Clark, R.M., Deleplanque, M.A., Diamond, R.M., Fallon, P., Lee, I.Y., Macchiavelli, A.O., MacLeod, R.W., Stephens, F.S., Jones, P., Julin, R., Broda, R., Fornal, B., Smith, J.F., Lauritsen, T., Bhattacharyya, P., Zhang, C.T.

“…High-spin spectroscopy of Rn, Ra and Th isotopes has been performed. The nuclei have been populated using multi-nucleon transfer reactions involving a 232Th…”
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Gamma-ray cluster identification in a spherical shell of highly segmented germanium detectors by Schmid, G.J., Lee, I.Y., Deleplanque, M.A., Hendriks, P., Stephens, F.S., Vetter, K., Asztalos, S.J., Clark, R.M., Diamond, R.M., Fallon, P., Kruecken, R., Macchiavelli, A.O., MacLeod, R.W.

“…Research and development is proceeding on a new /spl gamma/-ray detector array for nuclear physics: the Gamma-Ray Energy Tracking Array (GRETA). This array…”
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Order-to-chaos transition in rotational nuclei by Lee, I Y, Stephens, F S, Deleplanque, M A, Macchiavelli, A O, Ward, D, Fallon, P, Cromaz, M, Clark, R M, Descovich, M, Diamond, R M, Rodriguez-Vieitez, E

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Evidence for magnetic rotation in the light tin region by Wadsworth, R, Cameron, J A, Clark, R M, Chiara, C J, Diamond, R M, Deleplanque, M A, Fallon, P, Fossan, D B, Hibbert, I M, Jenkins, D G, Juutinen, S, Kelsall, N, Krücken, R, Lane, G J, Lee, I Y, Macchiavelli, A O, Parry, C M, Sears, J M, Smith, J F, Stephens, F S, Vetter, K, Frauendorf, S

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Observation of Giant Dipole Resonances Built on States of High Energy and Spin by Newton, J. O., Herskind, B., Diamond, R. M., Dines, E. L., Draper, J. E., Lindenberger, K. H., Schück, C., Shih, S., Stephens, F. S.

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Nuclei at High Angular Momentum by Diamond, R M, Stephens, F S

“…It appears that most nuclei show a compromise between purely collective and purely non-collective behavior at very high spins.non~collective behavior in nuclei…”
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Effects of neutron damage on the performance of large volume segmented germanium detectors by Descovich, M., Lee, I.Y., Luke, P.N., Clark, R.M., Cromaz, M., Deleplanque, M.A., Diamond, R.M., Fallon, P., Macchiavelli, A.O., Rodriguez-Vieitez, E., Stephens, F.S., Ward, D.

“…Fast neutrons damage the lattice structure of germanium γ -radiation detectors and introduce hole traps. This results in a reduction of charge collection…”
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Observation of Octupole Structures in Radon and Radium Isotopes and Their Contrasting Behavior at High Spin by Cocks, J. F. C., Butler, P. A., Cann, K. J., Greenlees, P. T., Jones, G. D., Asztalos, S., Bhattacharyya, P., Broda, R., Clark, R. M., Deleplanque, M. A., Diamond, R. M., Fallon, P., Fornal, B., Jones, P. M., Julin, R., Lauritsen, T., Lee, I. Y., Macchiavelli, A. O., MacLeod, R. W., Smith, J. F., Stephens, F. S., Zhang, C. T.

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