Search Results - "Kaeppeler, F."

The s-process in low-metallicity stars - II. Interpretation of high-resolution spectroscopic observations with asymptotic giant branch models by Bisterzo, S., Gallino, R., Straniero, O., Cristallo, S., Käppeler, F.

“…High-resolution spectroscopic observations of 100 metal-poor carbon and s-rich stars (CEMP-s) collected from the literature are compared with the theoretical…”
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The s-process in low-metallicity stars - III. Individual analysis of CEMP-s and CEMP-s/r with asymptotic giant branch models by Bisterzo, S., Gallino, R., Straniero, O., Cristallo, S., Käppeler, F.

“…We provide an individual analysis of 94 carbon-enhanced metal-poor stars showing an s-process enrichment (CEMP-s) collected from the literature. The s-process…”
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s-Process in low-metallicity stars – I. Theoretical predictions by Bisterzo, S., Gallino, R., Straniero, O., Cristallo, S., Käppeler, F.

“…A large sample of carbon-enhanced metal-poor stars enriched in s-process elements (CEMP-s) have been observed in the Galactic halo. These stars of low mass (M∼…”
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Critical Reactions in Contemporary Nuclear Astrophysics by Wiescher, M, Käppeler, F, Langanke, K

“…Nuclear reaction rates play a critical role in the understanding of stellar evolution and explosions. However, in many cases nuclear reaction rates still carry…”
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Asymptotic-Giant-Branch Models at Very Low Metallicity by Cristallo, S., Piersanti, L., Straniero, O., Gallino, R., Domínguez, I., Käppeler, F.

“…In this paper we present the evolution of a low-mass model (initial mass M = 1.5 M⊙) with a very low metal content (Z = 5 × 10−5, equivalent to [Fe/H] =…”
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A compact Ge-BGO coincidence array for ultra-sensitive in-beam gamma spectroscopy by Dababneh, S., Görres, J., Heil, M., Käppeler, F., Reifarth, R., Wiescher, M.

“…Ultra-weak resonances in nuclear reactions impose a challenge on experimentalists. The present work describes the setup used in the first direct measurement of…”
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Monte Carlo simulation of the n_TOF Total Absorption Calorimeter by Guerrero, C., Cano-Ott, D., Mendoza, E., Taín, J.L., Algora, A., Berthoumieux, E., Colonna, N., Domingo-Pardo, C., González-Romero, E., Heil, M., Jordán, D., Käppeler, F., Lampoudis, C., Martínez, T., Massimi, C., Plag, R.

“…The n_TOF Total Absorption Calorimeter (TAC) is a 4π BaF2 segmented detector used at CERN for measuring neutron capture cross-sections of importance for the…”
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The s process: Nuclear physics, stellar models, and observations by Käppeler, F., Gallino, R., Bisterzo, S., Aoki, Wako

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Opportunities for Nuclear Astrophysics at FRANZ by Reifarth, R., Chau, L. P., Heil, M., Käppeler, F., Meusel, O., Plag, R., Ratzinger, U., Schempp, A., Volk, K.

“…The ‘Frankfurter Neutronenquelle am Stern–Gerlach–Zentrum’ (FRANZ), which is currently under development, will be the strongest neutron source in the…”
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Lanthanum: An s- and r-Process Indicator by Winckler, N, Dababneh, S, Heil, M, Käppeler, F, Gallino, R, Pignatari, M

“…The neutron capture cross section of super(139)La has been measured at a thermal energy of kT = 5 keV by means of the activation technique. Three irradiations…”
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Neutron Capture Cross Sections for the Weak s Process by Heil, M., Juseviciute, A., Käppeler, F., Gallino, R., Pignatari, M., Uberseder, E.

“…In past decades a lot of progress has been made towards understanding the main s-process component that takes place in thermally pulsing Asymptotic Giant…”
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Monoenergetic Neutrons for Stellar Applications by Mosconi, M., Heil, M., Käppeler, F., Plag, R., Mengoni, A., Nolte, R.

“…With modern techniques, neutron-capture cross sections can be determined with uncertainties of a few percent. However, Maxwellian averaged cross sections…”
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Tuning the Re/Os Clock: Stellar-Neutron Cross Sections by Mengoni, A., Mosconi, M., Fujii, K., Käppeler, F.

“…The neutron-capture cross sections of 186,187Os have been recently measured at the CERN neutron time-of-flight facility n_TOF for an improved evaluation of the…”
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Neutron physics with accelerators by Colonna, N., Gunsing, F., Käppeler, F.

“…Neutron-induced nuclear reactions are of key importance for a variety of applications in basic and applied science. Apart from nuclear reactors,…”
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Time-Scales of the s Process: from Minutes to Ages by Käppeler, F., Bisterzo, S., Gallino, R., Heil, M., Pignatari, M., Reifarth, R., Straniero, O., Walter, S., Winckler, N., Wisshak, K.

“…The time scales in the s process appears to be an approriate aspect to discuss at the occasion of Roberto's 70th anniversary, the more as this subject has been…”
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The Weak s-Process in Massive Stars and its Dependence on the Neutron Capture Cross Sections by Pignatari, M, Gallino, R, Heil, M, Wiescher, M, Käppeler, F, Herwig, F, Bisterzo, S

“…The slow neutron capture process in massive stars (weak s process) produces most of the s-process isotopes between iron and strontium. Neutrons are provided by…”
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Be 7 ( n , p ) Li 7 Reaction and the Cosmological Lithium Problem: Measurement of the Cross Section in a Wide Energy Range at n_TOF at CERN by Damone, L., Barbagallo, M., Mastromarco, M., Mengoni, A., Cosentino, L., Maugeri, E., Heinitz, S., Schumann, D., Dressler, R., Käppeler, F., Colonna, N., Finocchiaro, P., Andrzejewski, J., Perkowski, J., Gawlik, A., Aberle, O., Altstadt, S., Ayranov, M., Audouin, L., Bacak, M., Balibrea-Correa, J., Ballof, J., Bécares, V., Bečvář, F., Beinrucker, C., Bellia, G., Bernardes, A. P., Berthoumieux, E., Billowes, J., Borge, M. J. G., Bosnar, D., Brown, A., Brugger, M., Busso, M., Caamaño, M., Calviño, F., Calviani, M., Cano-Ott, D., Cardella, R., Casanovas, A., Castelluccio, D. M., Catherall, R., Cerutti, F., Chen, Y. H., Chiaveri, E., Correia, J. G. M., Cortés, G., Cortés-Giraldo, M. A., Cristallo, S., Diakaki, M., Dietz, M., Domingo-Pardo, C., Dorsival, A., Dupont, E., Duran, I., Fernandez-Dominguez, B., Ferrari, A., Ferreira, P., Furman, W., Ganesan, S., García-Rios, A., Gilardoni, S., Glodariu, T., Göbel, K., Gonçalves, I. F., González-Romero, E., Goodacre, T. D., Griesmayer, E., Guerrero, C., Gunsing, F., Harada, H., Heftrich, T., Heyse, J., Jenkins, D. G., Jericha, E., Johnston, K., Kadi, Y., Kalamara, A., Katabuchi, T., Kavrigin, P., Kimura, A., Kivel, N., Köster, U., Kokkoris, M., Krtička, M., Kurtulgil, D., Leal-Cidoncha, E., Lederer-Woods, C., Leeb, H., Lerendegui-Marco, J., Lo Meo, S., Lonsdale, S. J., Losito, R., Macina, D., Marganiec, J., Marsh, B., Martínez, T., Masi, A., Massimi, C., Mastinu, P.

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Sensitivity of p-Process Nucleosynthesis to Nuclear Reaction Rates in a 25 M Supernova Model by Rapp, W, Görres, J, Wiescher, M, Schatz, H, Käppeler, F

“…The astrophysical p-process, which is responsible for the origin of the proton-rich stable nuclei heavier than iron, was investigated using a full nuclear…”
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Novel Method to Study Neutron Capture of U 235 and U 238 Simultaneously at keV Energies by Wallner, A., Belgya, T., Bichler, M., Buczak, K., Dillmann, I., Käppeler, F., Lederer, C., Mengoni, A., Quinto, F., Steier, P., Szentmiklosi, L.

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Neutron Capture on the s -Process Branching Point Tm 171 via Time-of-Flight and Activation by Guerrero, C., Lerendegui-Marco, J., Paul, M., Tessler, M., Heinitz, S., Domingo-Pardo, C., Cristallo, S., Dressler, R., Halfon, S., Kivel, N., Köster, U., Maugeri, E. A., Palchan-Hazan, T., Quesada, J. M., Rochman, D., Schumann, D., Weissman, L., Aberle, O., Amaducci, S., Andrzejewski, J., Audouin, L., Bécares, V., Bacak, M., Balibrea, J., Barak, A., Barbagallo, M., Barros, S., Bečvář, F., Beinrucker, C., Berkovits, D., Berthoumieux, E., Billowes, J., Bosnar, D., Brugger, M., Buzaglo, Y., 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, G., Cortés-Giraldo, M. A., Cosentino, L., Dafna, H., Damone, A., Diakaki, M., Dietz, M., Dupont, E., Durán, I., Eisen, Y., Fernández-Domínguez, B., Ferrari, A., Ferreira, P., Finocchiaro, P., Furman, V., Göbel, K., García, A. R., Gawlik, A., Glodariu, T., Gonçalves, I. F., González-Romero, E., Goverdovski, A., Griesmayer, E., Gunsing, F., Harada, H., Heftrich, T., Heyse, J., Hirsh, T., Jenkins, D. G., Jericha, E., Käppeler, F., Kadi, Y., Kaizer, B., Katabuchi, T., Kavrigin, P., Ketlerov, V., Khryachkov, V., Kijel, D., Kimura, A., Kokkoris, M., Kriesel, A., Krtička, M., Leal-Cidoncha, E., Lederer-Woods, C., Leeb, H., Lo Meo, S., Lonsdale, S. J., Losito, R., Macina, D., Manna, A., Marganiec, J., Martínez, T., Massimi, C., Mastinu, P.

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