Browsing by Title

Now showing items 15408-15427 of 24149

    • Nuclear Astrophysics 

      Rauscher, T.; Thielemann, Friedrich-Karl (2001-12)

    • The Nuclear Astrophysics program at n-TOF (CERN) 

      Colonna, N.; Aberle, O.; Andrzejewski, J.; Audouin, L.; Bacak, M.; Balibrea, J.; Barbagallo, M.; Bečvář, F.; Berthoumieux, E.; Billowes, J.; Bosnar, D.; Brown, A.; Caamaño, M.; Calviño, F.; Calviani, M.; Cano-Ott, D.; Cardella, R.; Casanovas, A.; Cerutti, F.; Chen, Y. H.; Chiaveri, E.; Clai, G.; Cortés, G.; Cortés-Giraldo, M. A.; Cosentino; Cristallo, S.; Damone, L. A.; Diakaki, M.; Domingo-Pardo, C.; Dressler, L. R.; Dupont, E.; Durán, I.; Fernández-Domínguez, B.; Ferrari, A.; Ferreira, P.; Finocchiaro, P.; Furman, V.; Göbel, K.; García, A. R.; Gawlik, A.; Gilardoni, S.; Glodariu, T.; Gonçalves, I. F.; González, E.; Griesmayer, E.; Guerrero, C.; Gunsing, F.; Harada, H.; Heinitz, S.; Rauscher, T.; The n-TOF Collaboration (EDP Sciences, 2017-12-30)
      An important experimental program on Nuclear Astrophysics is being carried out at the n-TOF since several years, in order to address the still open issues in stellar and primordial nucleosynthesis. Several neutron capture ...

    • Nuclear cross sections, nuclear structure and stellar nucleosynthesis 

      Thielemann, Friedrich-Karl; Argast, D.; Brachwitz, F.; Hix, W. R.; Hoflich, P.; Liebendoerfer, M.; Martinez-Pinedo, G.; Mezzacappa, A.; Panov, I.; Rauscher, T. (2003-05-05)
      The role of nuclear reactions (strong, weak and electromagnetic) and nuclear structure effects are discussed in a number of stellar applications. We address fusion cross sections in stellar evolution, neutrino-induced ...

    • Nuclear data activities at the n_TOF facility at CERN 

      Gunsing, F.; Aberle, O.; Andrzejewski, J.; Audouin, L.; Bécares, V.; Bacak, M.; Balibrea-Correa, J.; Barbagallo, M.; Barros, S.; Bečvář, F.; Beinrucker, C.; Belloni, F.; Berthoumieux, E.; Billowes, J.; Bosnar, D.; Brugger, M.; Caamaño, M.; Calviño, F.; Calviani, M.; Cano-Ott, D.; Cardella, R.; Casanovas, A.; Castelluccio, D. M.; Cerutti, F.; Chen, Y. H.; Chiaveri, E.; Colonna, N.; Cortés-Giraldo, M. A.; Cortés, G.; Cosentino, L.; Damone, L. A.; Deo, K.; Diakaki, M.; Domingo-Pardo, C.; Dressler, R.; Dupont, E.; Durán, I.; Fernández-Domínguez, B.; Ferrari, A.; Ferreira, P.; Finocchiaro, P.; Frost, R. J W; Furman, V.; Ganesan, S.; García, A. R.; Gawlik, A.; Gheorghe, I.; Glodariu, T.; Gonçalves, I. F.; González, E.; Goverdovski, A.; Griesmayer, E.; Guerrero, C.; Göbel, K.; Harada, H.; Heftrich, T.; Heinitz, S.; Hernández-Prieto, A.; Heyse, J.; Jenkins, D. G.; Jericha, E.; Käppeler, F.; Kadi, Y.; Katabuchi, T.; Kavrigin, P.; Ketlerov, V.; Khryachkov, V.; Kimura, A.; Kivel, N.; Kokkoris, M.; Krtička, M.; Leal-Cidoncha, E.; Lederer, C.; Leeb, H.; Lerendegui, J.; Licata, M.; Lo Meo, S.; Lonsdale, S. J.; Losito, R.; Macina, D.; Marganiec, J.; Martínez, T.; Masi, A.; Massimi, C.; Mastinu, P.; Mastromarco, M.; Matteucci, F.; Maugeri, E. A.; Mazzone, A.; Mendoza, E.; Mengoni, A.; Milazzo, P. M.; Mingrone, F.; Mirea, M.; Montesano, S.; Musumarra, A.; Nolte, R.; Oprea, A.; Palomo-Pinto, F. R.; Paradela, C.; Patronis, N.; Pavlik, A.; Perkowski, J.; Porras, I.; Praena, J.; Quesada, J. M.; Rajeev, K.; Rauscher, T.; Reifarth, R.; Riego-Perez, A.; Robles, M.; Rout, P.; Radeck, D.; Rubbia, C.; Ryan, J. A.; Sabaté-Gilarte, M.; Saxena, A.; Schillebeeckx, P.; Schmidt, S.; Schumann, D.; Sedyshev, P.; Smith, A. G.; Stamatopoulos, A.; Suryanarayana, S. V.; Tagliente, G.; Tain, J. L.; Tarifeño-Saldivia, A.; Tarrío, D.; Tassan-Got, L.; Tsinganis, A.; Valenta, S.; Vannini, G.; Variale, V.; Vaz, P.; Ventura, A.; Vlachoudis, V.; Vlastou, R.; Wallner, A.; Warren, S.; Weigand, M.; Weiss, C.; Wolf, C.; Woods, P. J.; Wright, T.; Žugec, P. (2016-10-21)
      Nuclear data in general, and neutron-induced reaction cross sections in particular, are important for a wide variety of research fields. They play a key role in the safety and criticality assessment of nuclear technology, ...

    • Nuclear data needs for the study of nucleosynthesis in massive stars 

      Woosley, S.E.; Heger, A.; Rauscher, T.; Hoffman, R. D. (2003-05-05)
      The critical nuclear physics needed to calculate the evolution of and nucleosynthesis in massive stars is reviewed with emphasis on the uncertainties. Some reaction rates - the most important and uncertain still being C-12 ...

    • Nuclear discs as clocks for the assembly history of early-type galaxies: the case of NGC 4458 

      Sarzi, M.; Ledo, H.~R.; Coccato, L.; Corsini, E.~M.; Dotti, M.; Khochfar, S.; Maraston, C.; Morelli, L.; Pizzella, A. (2016-04-01)
      Approximately 20 per cent of early-type galaxies host small nuclear stellar discs that are tens to a few hundred parsecs in size. Such discs are expected to be easily disrupted during major galactic encounters, hence their ...

    • A nuclear grand-design spiral within the normal disc spiral of NGC 5248 

      Laine, S.; Knapen, J.; Perez-Ramirez, D.; Doyon, R.; Nadeau, D. (1999-01)
      We report the discovery of trailing grand-design nuclear spiral structure in the spiral galaxy NGC 5248. Two tightly-wound red spiral arms, with widths less than 1 arcsec (~ 75 pc), emanate at 1 arcsec outside the quiescent ...

    • Nuclear level density and the determination of thermonuclear rates for astrophysics 

      Rauscher, T.; Thielemann, Friedrich-Karl; Kratz, K.L. (1997-09)
      The prediction of cross sections for nuclei far off stability is crucial in the field of nuclear astrophysics. In recent calculations the nuclear level density-as an important ingredient to the statistical model ...

    • Nuclear medicine 

      Major, Vicki; Griffiths, Marc (Churchill Livingstone, 2009)
      Nuclear Medicine is concerned with providing diagnostic information about patients following the administration of a radioactive product. The patient is imaged using a Gamma Camera. Images are produced of the distribution ...

    • Nuclear partition functions at temperatures exceeding 10(10) K 

      Rauscher, T. (2003-08)
      Nuclear partition functions were calculated for a grid of temperatures from 1.2 x 10(10) to 2.75 x 10(11) K (1 MeV less than or equal to kT less than or equal to 24 MeV) within a Fermi-gas approach, including all nuclides ...

    • Nuclear physics : A key ingredient in astrophysical modeling 

      Thielemann, Friedrich-Karl; Argast, D.; Brachwitz, F.; Fisker, J. L.; Froehlich, Carla; Hirschi, R.; Kolbe, E.; Mocelj, D.; Rauscher, T. (2005-04-18)
      Nuclear physics is a basic ingredient in a large number of energetic astrophysical environments which are characterized by sufficient temperatures and densities to permit scattering events among particles, leading to nuclear ...

    • Nuclear physics for the Re/Os clock 

      Mosconi, M.; Heil, M.; Kaeppeler, F.; Plag, R.; Mengoni, A.; Fujii, K.; Domingo-Pardo, C.; Aerts, G.; Terlizzi, R.; Gallino, R.; Abbondanno, U.; Alvarez, H.; Alvarez-Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Audouin, L.; Badurek, G.; Baumann, P.; Becvar, F.; Berthoumieux, E.; Calvino, F.; Calviani, M.; Cano-Ott, D.; Capote, R.; Carrapico, C.; Cennini, P.; Chepel, V.; Colonna, N.; Cortes, G.; Couture, A.; Cox, J.; Dahlfors, M.; David, S.; Dillmann, I.; Dridi, W.; Duran, I.; Eleftheriadis, C.; Embid-Segura, M.; Ferrant, L.; Ferrari, A.; Ferreira-Marques, R.; Furman, W.; Goncalves, I.; Gonzalez-Romero, E.; Gramegna, F.; Guerrero, C.; Gunsing, F.; Haas, B.; Rauscher, T.; n TOF Collaboration (2008-01)
      Dating the age of the universe by the beta-decay of (187)Re (t(1/2) = 41.2 Gyr) requires the accurate assessment of the s-process reaction flow. The daughter nucleus (187)Os as well as its immediate s-only neighbor (186)Os ...

    • Nuclear physics issues of the r-process 

      Thielemann, Friedrich-Karl; Kolbe, E.; Martinez-Pinedo, G.; Panov, I.; Rauscher, T.; Kratz, K.L.; Pfeiffer, B.; Rosswog, S. (World Scientific Publishing, 2003)
      The present paper aims at understanding r-process nucleosynthesis by addressing the nuclear physics involved, the necessary environment conditions in the (stellar) production sites, and the observational constraints. We ...

    • Nuclear Properties of a Sample of Nearby Spiral Galaxies from Hubble Space Telescope STIS Imaging 

      Scarlata, C.; Stiavelli, M.; Hughes, M.A.; Axon, D.J.; Alonso-Herrero, A.; Atkinson, J.; Batcheldor, D.; Binney, J.; Capetti, A.; Carollo, C.M.; Dressel, L.; Gerssen, J.; Macchetto, F.D.; Maciejewski, W.; Marconi, A.; Merrifield, M.; Ruiz, M.; Sparks, W.; Tsvetanov, Z.; van der Marel, R. (2004)

    • Nuclear properties of nearby spiral galaxies from Hubble Space Telescope NICMOS imaging and STIS spectroscopy 

      Hughes, M.A.; Axon, D.J.; Atkinson, J.; Alonso-Herrero, A.; Scarlata, C.; Marconi, A.; Batcheldor, D.; Binney, J.; Capetti, A.; Carollo, C.M.; Dressel, L.; Macchetto, F.D.; Maciejewski, W.; Merrifield, M.; Ruiz, M.; Sparks, W.; Stiavelli, M.; Tsvetanov, Z.; Gerssen, J. (2005)

    • The Nuclear Reaction Network WinNet 

      Reichert, M.; Winteler, C.; Korobkin, O.; Arcones, A.; Bliss, J.; Eichler, M.; Frischknecht, U.; Fröhlich, C.; Hirschi, R.; Jacobi, M.; Kuske, J.; Martínez-Pinedo, G.; Martin, D.; Mocelj, D.; Rauscher, T.; Thielemann, F.-K. (2023-10-11)
      We present the state-of-the-art single-zone nuclear reaction network WinNet, which is capable of calculating the nucleosynthetic yields of a large variety of astrophysical environments and conditions. This ranges from the ...

    • Nuclear reactions for nucleosynthesis beyond Fe 

      Rauscher, Thomas (American Institute of Physics (AIP), 2015-10-15)
      Many more nuclear transitions have to be known in the determination of stellar reactivities for trans-iron nucleosynthesis than for reactions of light nuclei. This requires different theoretical and experimental approaches. ...

    • The nuclear ring in the unbarred galaxy NGC 278: Result of a minor merger 

      Knapen, J.; Whyte, L.F.; de Blok, W.J.G.; van der Hulst, J.M. (2004-08)

    • Nuclear star formation in the hot-spot galaxy HGC 2903 

      Alonso-Herrero, A.; Ryder, S.D.; Knapen, J. (2000-06)
      Circumnuclear regions (CNR) of enhanced star formation (SF) in disk galaxies are usually associated with the presence of stellar bars. Since bars are believed to be one of the most effective mechanisms for transporting ...

    • Nuclear star formation in the hotspot galaxy NGC 2903 

      Alonso-Herrero, A.; Ryder, S.D.; Knapen, J. (2001)