Search Results - "Hagen, T W"

Observation of large scissors resonance strength in actinides by Guttormsen, M, Bernstein, L A, Bürger, A, Görgen, A, Gunsing, F, Hagen, T W, Larsen, A C, Renstrøm, T, Siem, S, Wiedeking, M, Wilson, J N

“…The orbital M1 scissors resonance has been measured for the first time in the quasicontinuum of actinides. Particle-γ coincidences are recorded with deuteron…”
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Evidence for Coexisting Shapes through Lifetime Measurements in Zr 98 by Singh, Purnima, Korten, W., Hagen, T. W., Görgen, A., Grente, L., Salsac, M.-D., Farget, F., Clément, E., de France, G., Braunroth, T., Bruyneel, B., Celikovic, I., Delaune, O., Dewald, A., Dijon, A., Delaroche, J.-P., Girod, M., Hackstein, M., Jacquot, B., Libert, J., Litzinger, J., Ljungvall, J., Louchart, C., Gottardo, A., Michelagnoli, C., Müller-Gatermann, C., Napoli, D. R., Otsuka, T., Pillet, N., Recchia, F., Rother, W., Sahin, E., Siem, S., Sulignano, B., Togashi, T., Tsunoda, Y., Theisen, Ch, Valiente-Dobon, J. J.

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Observation of low-lying resonances in the quasicontinuum of 195,196Pt and enhanced astrophysical reaction rates by Giacoppo, F, Bello Garrote, F L, Eriksen, T K, Görgen, A, Guttormsen, M, Hagen, T W, Larsen, A C, Kheswa, B V, Klintefjord, M, Koehler, P E, Moretto, L G, Nyhus, H T, Renstrøm, T, Sahin, E, Siem, S, Tornyi, T G

“…An excess of strength on the low-energy tail of the giant dipole resonance recently has been observed in the γ-decay from the quasicontinuum of 195,196Pt. The…”
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First evidence of low energy enhancement in Ge isotopes by Renstrøm, T., Nyhus, H.-T., Utsunomiya, H., Larsen, A. C., Siem, S., Guttormsen, M., Filipescu, D. M., Gheorghe, I., Goriely, S., Bernstein, L. A., Bleuel, D. L., Glodariu, T., Görgen, A., Hagen, T. W., Lui, Y.-W., Negi, D., Ruud, I. E., Şahin, E., Schwengner, R., Shima, T., Takahisa, K., Tesileanu, O., Tornyi, T. G., Tveten, G. M., Wiedeking, M.

“…The γ-strength functions and level densities of 73,74Ge have been extracted from particle-γ coincidence data using the Oslo method. In addition the γ-strength…”
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Statistical gamma-ray emission of gold and its astrophysical implications by Giacoppo, F, Bello, F, Bernstein, L A, Bleuel, D, Firestone, R B, Gorgen, A, Guttormsen, M, Hagen, T W, Klintefjord, M, Koehler, P E

“…The properties of the excited states of gold isotopes were investigated at the Oslo Cyclotron Laboratory. This study is important for the understanding of…”
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Lifetime measurements on fission fragments in the A ∼ 100 region by Grente, L., Salsac, M.-D., Korten, W., Görgen, A., Hagen, T. W., Braunroth, T., Bruyneel, B., Celikovic, I., Clément, E., Delaune, O., Dijon, A., Drouart, A., Ertürk, S., Farget, F., de France, G., Gottardo, A., Hackstein, M., Jacquot, B., Libert, J., Litzinger, J., Ljungvall, J., Louchart, C., Michelagnoli, C., Napoli, D.R., Navin, A., Pillet, N., Pipidis, A., Recchia, F., Rejmund, M., Rother, W., Sahin, E., Schmitt, C., Siem, S., Sulignano, B., Valiente-Dobon, J.J., Zell, K.O.

“…Lifetimes of first 4 super(+) and 6 super(+) states have been measured in neutron-rich isotopes of Zr, Mo, Ru and Pd using the recoil distance Doppler shift…”
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Neutron-induced cross sections of actinides via the surrogate-reaction method by Ducasse, Q., Jurado, B., Aiche, M., Mathieu, L., Tornyi, T., Görgen, A., Wilson, J. N., Barreau, G., Companis, I., Czajkowski, S., Giacoppo, F., Gunsing, F., Guttormsen, M., Larsen, A. C., Lebois, M., Matarranz, J., Renstrøm, T., Rose, S., Siem, S., Tsekhanovich, I., Tveten, G. M., Hagen, T. W., Wiedeking, M., Serot, O., Boutoux, G., Chau, P., Méot, V., Roig, O.

“…The surrogate-reaction method is an indirect way of determining cross sections for reactions that proceed through a compound nucleus. This technique may enable…”
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Lifetimes of excited states in triaxially deformed 107Tc and 109,111,113Rh by Hagen, T. W., Görgen, A., Korten, W., Grente, L., Salsac, M. -D., Farget, F., Braunroth, T., Bruyneel, B., Celikovic, I., Clément, E., de France, G., Delaune, O., Dewald, A., Dijon, A., Hackstein, M., Jacquot, B., Litzinger, J., Ljungvall, J., Louchart, C., Michelagnoli, C., Napoli, D. R., Recchia, F., Rother, W., Sahin, E., Siem, S., Sulignano, B., Theisen, Ch, Valiente-Dobon, J. J.

“… Lifetimes of excited states in 107 Tc, 109 Rh, 111 Rh, and 113 Rh were measured at GANIL using the Recoil-Distance Doppler Shift method. The neutron-rich…”
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Nuclear level densities and γ-ray strength functions of 180,181Ta and neutron capture cross sections by Malatji, K L, Kheswa, B V, Wiedeking, M, FL Bello Garrote, Brits, C P, Bleuel, D L, Giacoppo, F, Görgen, A, Guttormsen, M, Hadynska-Klek, K, Hagen, T W, Ingeberg, V W, Klintefjord, M, Larsen, A C, Nyhus, H T, Renstrøm, T, Rose, S, Sahin, E, Siem, S, GM Tveten, Zeiser, F

“…The γ-ray strength functions and nuclear level densities in the quasi-continuum of 180,181Ta are extracted from particle-γ coincidence events with the Oslo…”
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Resonances in odd-odd 182Ta by Brits, C P, Wiedeking, M, FL Bello Garrote, Bleuel, D L, Giacoppo, F, Görgen, A, Guttormsen, M, Hadynska-Klek, K, Hagen, T W, Ingeberg, V W, Kheswa, B V, Klintefjord, M, Larsen, A C, Malatji, K L, Nyhus, H T, Papka, P, Renstrøm, T, Rose, S, Sahin, E, Siem, S, GM Tveten, Zeiser, F

“…Enhanced γ-decay on the tail of the giant electric dipole resonance, such as the scissors or pygmy resonances, can have significant impact on (n,γ) reaction…”
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The statistical properties of 111,112,113Sn studied with the Oslo method by Tveten, G M, Bello Garrote, F L, Campo, L C, Eriksen, T K, Giacoppo, F, Guttormsen, M, Görgen, A, Hagen, T W, Hadynska-Klek, K, Klintefjord, M, Larsen, A C, Maharromova, S, Nyhus, H T, Renstrøm, T, Rose, S, Sahin, E, Siem, S, Tornyi, T G

“…The γ-ray strength function and level density of 111, 112, 113Sn are being studied at the Oslo Cyclotron Laboratory (OCL) up to the neutron binding energy by…”
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Scissors strength in the quasi-continuum of actinides by Guttormsen, M., Bernstein, L.A., Bürger, A., Görgen, A., Gunsing, F., Hagen, T.W., Larsen, A.C., Renstrøm, T., Siem, S., Wiedeking, M., Wilson, J.N.

“…The M1-scissors resonance has been measured for the first time in the quasi-continuum of actinides. The strength and position of the resonances in…”
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Statistical nuclear properties and synthesis of 138La by Kheswa, B V, Wiedeking, M, Giacoppo, F, Goriely, S, Guttormsen, M, Larsen, A C, Bello Garrote, F L, Eriksen, T K, Görgen, A, Hagen, T W, Koehler, P E, Klintefjord, M, Nyhus, H T, Papka, P, Renstrøm, T, Rose, S, Sahin, E, Siem, S, Tornyi, T

“…The synthesis of the neutron deficient 138La nucleus has been a puzzle for a long time. It has not been clear whether it is produced through…”
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Low-energy enhancement of nuclear γ strength and its impact on astrophysical reaction rates by Larsen, A. C., Blasi, N., Bracco, A., Bürger, A., Camera, F., Eriksen, T.K., Giacoppo, F., Goriely, S., Guttormsen, M., Görgen, A., Hagen, T. W., Harissopulos, S., Koehler, P. E., Leoni, S., Million, B., Nyhus, H.T., Renstrøm, T.T., Rose, S., Ruud, I.E., Schiller, A., Siem, S., Tornyi, T., Tveten, G. M., Voinov, A. V., Wiedeking, M.

“…An unexpected enhancement in the low-energy part of the gamma -strength function for light and medium-mass nuclei has been discovered at the Oslo Cyclotron…”
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Neutron-induced cross sections of actinides via the surrogate-reaction method by Ducasse, Q., Jurado, B., Aiche, M., Tornyi, T., Görgen, A., Wilson, J.N., Barreau, G., Companis, I., Czajkowski, S., Giacoppo, F., Gunsing, F., Guttormsen, M., Larsen, A.C., Lebois, M., Matarranz, J., Renstrøm, T., Rose, S., Siem, S., Tsekhanovich, I., Tveten, G.M., Hagen, T.W., Wiedeking, M., Serot, O., Boutoux, G., Huu-Tai, P. Chau, Méot, V., Roig, O.

“…The surrogate-reaction method is an indirect way of determining cross sections for reactions that proceed through a compound nucleus. This technique may enable…”
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Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes by Guttormsen, M, Alhassid, Y, Ryssens, W, Ay, K. O, Ozgur, M, Algin, E, Larsen, A. C, Garrote, F. L. Bello, Campo, L. Crespo, Dahl-Jacobsen, T, Görgen, A, Hagen, T. W, Ingeberg, V. W, Kheswa, B. V, Klintefjord, M, Midtbø, J. E, Modamio, V, Renstrøm, T, Sahin, E, Siem, S, Tveten, G. M, Zeiser, F

“…Understanding the evolution of level densities in the crossover from spherical to well-deformed nuclei has been a long-standing problem in nuclear physics. We…”
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Evidence for Coexisting Shapes through Lifetime Measurements in Zr98 by Singh, Purnima

“…The lifetimes of the first excited 2+, 4+, and 6+ states in Zr98 were measured with the recoil-distance Doppler shift method in an experiment performed at…”
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Evidence for the dipole nature of the low-energy γ enhancement in Fe56 by Larsen, A. C., Blasi, N., Bracco, A., Camera, F., Eriksen, T. K., Gorgen, A., Guttormsen, M., Hagen, T. W., Leoni, S., Million, B., Nyhus, H. T., Renstrom, T., Rose, S. J., Ruud, I. E., Siem, S., Tornyi, T., Tveten, G. M., Voinov, A. V., Wiedeking, M.

“…Here, the γ-ray strength function of 56Fe has been measured from proton-γ coincidences for excitation energies up to ≈11 MeV. The low-energy enhancement in the…”
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Scissors resonance in the quasicontinuum of Th, Pa, and U isotopes by Guttormsen, M., Bernstein, L. A., Görgen, A., Jurado, B., Siem, S., Aiche, M., Ducasse, Q., Giacoppo, F., Gunsing, F., Hagen, T. W., Larsen, A. C., Lebois, M., Leniau, B., Renstrøm, T., Rose, S. J., Tornyi, T. G., Tveten, G. M., Wiedeking, M., Wilson, J. N.

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Experimental observation of the M1 scissors mode in $^{254}$No by Bello Garrote, F.L., Lopez-Martens, A., Larsen, A.C., Deloncle, I., Péru, S., Zeiser, F., Greenlees, P.T., Kheswa, B.V., Auranen, K., Bleuel, D.L., Cox, D.M., Crespo Campo, L., Giacoppo, F., Görgen, A., Grahn, T., Guttormsen, M., Hagen, T.W., Harkness-Brennan, L., Hauschild, K., Henning, G., Herzberg, R.-D., Julin, R., Juutinen, S., Laplace, T.A., Leino, M., Midtbø, J.E., Modamio, V., Pakarinen, J., Papadakis, P., Partanen, J., Renstrøm, T., Rezynkina, K., Sandzelius, M., Sarén, J., Scholey, C., Siem, S., Sorri, J., Stolze, S., Uusitalo, J.

“…We present the first experimental evidence of the scissors mode in the superheavy nucleus 254No produced in the 208Pb(48Ca, ))254No reaction. The spectrum of γ…”
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