Search Results - "Siem, S"

Reference database for photon strength functions by Goriely, S., Dimitriou, P., Wiedeking, M., Belgya, T., Firestone, R., Kopecky, J., Krtička, M., Plujko, V., Schwengner, R., Siem, S., Utsunomiya, H., Hilaire, S., Péru, S., Cho, Y. S., Filipescu, D. M., Iwamoto, N., Kawano, T., Varlamov, V., Xu, R.

“… Photon strength functions describing the average response of the nucleus to an electromagnetic probe are key input information in the theoretical modelling…”
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Proton-dynamic therapy following photosensitiser activation by accelerated protons demonstrated through fluorescence and singlet oxygen production by Grigalavicius, M., Mastrangelopoulou, M., Berg, K., Arous, D., Ménard, M., Raabe-Henriksen, T., Brondz, E., Siem, S., Görgen, A., Edin, N. F. J., Malinen, E., Theodossiou, T. A.

“…We demonstrate excitation of photosensitisers (PSs) by accelerated protons to produce fluorescence and singlet oxygen. Their fluorescence follows a pattern…”
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Publisher Correction: Proton-dynamic therapy following photosensitiser activation by accelerated protons demonstrated through fluorescence and singlet oxygen production by Grigalavicius, M., Mastrangelopoulou, M., Berg, K., Arous, D., Ménard, M., Raabe-Henriksen, T., Brondz, E., Siem, S., Görgen, A., Edin, N. F. J., Malinen, E., Theodossiou, T. A.

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Radiative Width of the Hoyle State from γ -Ray Spectroscopy by Kibédi, T., Alshahrani, B., Stuchbery, A. E., Larsen, A. C., Görgen, A., Siem, S., Guttormsen, M., Giacoppo, F., Morales, A. I., Sahin, E., Tveten, G. M., Garrote, F. L. Bello, Campo, L. Crespo, Eriksen, T. K., Klintefjord, M., Maharramova, S., Nyhus, H.-T., Tornyi, T. G., Renstrøm, T., Paulsen, W.

“…The cascading 3.21 and 4.44 MeV electric quadrupole transitions have been observed from the Hoyle state at 7.65 MeV excitation energy in C12, excited by the…”
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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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First application of the Oslo method in inverse kinematics by Ingeberg, V. W., Siem, S., Wiedeking, M., Sieja, K., Bleuel, D. L., Brits, C. P., Bucher, T. D., Dinoko, T. S., Easton, J. L., Görgen, A., Guttormsen, M., Jones, P., Kheswa, B. V., Khumalo, N. A., Larsen, A. C., Lawrie, E. A., Lawrie, J. J., Majola, S. N. T., Malatji, K. L., Makhathini, L., Maqabuka, B., Negi, D., Noncolela, S. P., Papka, P., Sahin, E., Schwengner, R., Tveten, G. M., Zeiser, F., Zikhali, B. R.

“…The γ -ray strength function ( γ SF) and nuclear level density (NLD) have been extracted for the first time from inverse kinematic reactions with the Oslo…”
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Comprehensive Test of the Brink-Axel Hypothesis in the Energy Region of the Pygmy Dipole Resonance by Markova, M., von Neumann-Cosel, P., Larsen, A. C., Bassauer, S., Görgen, A., Guttormsen, M., Bello Garrote, F. L., Berg, H. C., Bjørøen, M. M., Dahl-Jacobsen, T., Eriksen, T. K., Gjestvang, D., Isaak, J., Mbabane, M., Paulsen, W., Pedersen, L. G., Pettersen, N. I. J., Richter, A., Sahin, E., Scholz, P., Siem, S., Tveten, G. M., Valsdottir, V. M., Wiedeking, M., Zeiser, F.

“…The validity of the Brink-Axel hypothesis, which is especially important for numerous astrophysical calculations, is addressed for 116,120,124Sn below the…”
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Investigating the predicted breathing-mode excitation of the Hoyle state by Li, K.C.W., Smit, F.D., Adsley, P., Neveling, R., Papka, P., Nikolskii, E., Brümmer, J.W., Donaldson, L.M., Freer, M., Harakeh, M.N., Nemulodi, F., Pellegri, L., Pesudo, V., Wiedeking, M., Buthelezi, E.Z., Chudoba, V., Förtsch, S.V., Jones, P., Kamil, M., Mira, J.P., O'Neill, G.G., Sideras-Haddad, E., Singh, B., Siem, S., Steyn, G.F., Swartz, J.A., Usman, I.T., van Zyl, J.J.

“…Knowledge of the low-lying monopole strength in C12—the Hoyle state in particular—is crucial for our understanding of both the astrophysically important 3α…”
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Experimental Neutron Capture Rate Constraint Far from Stability by Liddick, S N, Spyrou, A, Crider, B P, Naqvi, F, Larsen, A C, Guttormsen, M, Mumpower, M, Surman, R, Perdikakis, G, Bleuel, D L, Couture, A, Crespo Campo, L, Dombos, A C, Lewis, R, Mosby, S, Nikas, S, Prokop, C J, Renstrom, T, Rubio, B, Siem, S, Quinn, S J

“…Nuclear reactions where an exotic nucleus captures a neutron are critical for a wide variety of applications, from energy production and national security, to…”
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Simultaneous Determination of Neutron-Induced Fission and Radiative Capture Cross Sections from Decay Probabilities Obtained with a Surrogate Reaction by Pérez Sánchez, R., Jurado, B., Méot, V., Roig, O., Dupuis, M., Bouland, O., Denis-Petit, D., Marini, P., Mathieu, L., Tsekhanovich, I., Aïche, M., Audouin, L., Cannes, C., Czajkowski, S., Delpech, S., Görgen, A., Guttormsen, M., Henriques, A., Kessedjian, G., Nishio, K., Ramos, D., Siem, S., Zeiser, F.

“…Reliable neutron-induced-reaction cross sections of unstable nuclei are essential for nuclear astrophysics and applications but their direct measurement is…”
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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., Bello Garrote, F.L., Crespo Campo, L., 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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Statistical (n,γ) cross section model comparison for short-lived nuclei by Lewis, R., Couture, A., Liddick, S. N., Spyrou, A., Bleuel, D. L., Campo, L. Crespo, Crider, B. P., Dombos, A. C., Guttormsen, M., Kawano, T., Larsen, A. C., Lewis, A. M., Mosby, S., Perdikakis, G., Prokop, C. J., Quinn, S. J., Renstrøm, T., Siem, S.

“…Neutron-capture cross sections of neutron-rich nuclei are calculated using a Hauser–Feshbach model when direct experimental cross sections cannot be obtained…”
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Large enhancement of radiative strength for soft transitions in the quasicontinuum by Voinov, A, Algin, E, Agvaanluvsan, U, Belgya, T, Chankova, R, Guttormsen, M, Mitchell, G E, Rekstad, J, Schiller, A, Siem, S

“…Radiative strength functions (RSFs) for the (56,57)Fe nuclei below the separation energy are obtained from the 57Fe(3He,alphagamma)56Fe and…”
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Experimental observation of the M1 scissors mode in 254No 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, 2nγ))254No reaction. The spectrum…”
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Shape coexistence in light se isotopes: evidence for oblate shapes by Ljungvall, J, Görgen, A, Girod, M, Delaroche, J-P, Dewald, A, Dossat, C, Farnea, E, Korten, W, Melon, B, Menegazzo, R, Obertelli, A, Orlandi, R, Petkov, P, Pissulla, T, Siem, S, Singh, R P, Srebrny, J, Theisen, C H, Ur, C A, Valiente-Dobón, J J, Zell, K O, Zielińska, M

“…Lifetimes of states in the ground-state bands of (70)Se and (72)Se were measured using the recoil-distance Doppler shift method. The results deviate…”
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Study of $$N=50$$ gap evolution around $$Z=32$$: new structure information for $^{82}$$Ge by Thisse, D., Lebois, M., Verney, D., Wilson, J. N., Jovančević, N., Rudigier, M., Canavan, R., Etasse, D., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Oryńczak, N., Courtin, S., Cortés, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L., Gjestvang, D., Gottardo, A., Guadilla, V., Gerst, R. -B., Häfner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Hommet, J., Ibrahim, F., Iskra, Ł. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kröll, T., Kurtukian-Nieto, T., Meur, L. Le, Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Poklepa, W., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Reygadas-Tello, D., Rezynkina, K., Sánchez-Tembleque, V., Siem, S., Schmitt, C., Söderström, P. -A., Solak, K., Sürder, C., Tocabens, G., Vedia, V., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., Zeiser, F., Ziliani, S.

“…Medium spin states of light N = 50 isotones have been populated using fast neutron-induced fission of ^{232}$Th. Online prompt $\gamma $ spectroscopy has been…”
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Publisher's Note: Experimental Neutron Capture Rate Constraint Far from Stability [Phys. Rev. Lett. 116, 242502 (2016)] by Liddick, S N, Spyrou, A, Crider, B P, Naqvi, F, Larsen, A C, Guttormsen, M, Mumpower, M, Surman, R, Perdikakis, G, Bleuel, D L, Couture, A, Crespo Campo, L, Dombos, A C, Lewis, R, Mosby, S, Nikas, S, Prokop, C J, Renstrom, T, Rubio, B, Siem, S, Quinn, S J

“…This corrects the article DOI: 10.1103/PhysRevLett.116.242502…”
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A new fission-fragment detector to complement the CACTUS-SiRi setup at the Oslo Cyclotron Laboratory by Tornyi, T.G., Görgen, A., Guttormsen, M., Larsen, A.C., Siem, S., Krasznahorkay, A., Csige, L.

“…An array of Parallel Plate Avalanche Counters (PPAC) for the detection of heavy ions has been developed. The new device, NIFF (Nuclear Instrument for Fission…”
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Re-estimation of 180Ta nucleosynthesis in light of newly constrained reaction rates by Malatji, K.L., Wiedeking, M., Goriely, S., Brits, C.P., Kheswa, B.V., Bello Garrote, F.L., Bleuel, D.L., Giacoppo, F., Görgen, A., Guttormsen, M., Hadynska-Klek, K., Hagen, T.W., Ingeberg, V.W., Klintefjord, M., Larsen, A.C., Papka, P., Renstrøm, T., Sahin, E., Siem, S., Siess, L., Tveten, G.M., Zeiser, F.

“…Recent measurements of the nuclear level densities and γ-ray strength functions below the neutron thresholds in 180,181,182Ta are used as input in the nuclear…”
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Extraction of level density and γ strength function from primary γ spectra by Schiller, A, Bergholt, L, Guttormsen, M, Melby, E, Rekstad, J, Siem, S

“…We present a new iterative procedure to extract the level density and the γ strength function from primary γ spectra for energies close up to the neutron…”
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