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Reifarth, René ; Altstadt, Sebastian ; Göbel, Kathrin ; Heftrich, Tanja ; Heil, Michael ; Koloczek, Alexander ; Langer, Christoph ; Plag, Ralf ; Pohl, M. ; Sonnabend, Kerstin ; Weigand, Mario ; Adachi, T. ; Aksouh, Farouk ; Al-Khalili, J. ; AlGarawi, M. ; AlGhamdi, S. ; Alkhazov, G. ; Alkhomashi, N. ; Alvarez-Pol, Héctor ; Alvarez-Rodriguez, R. ; Andreev, V. ; Andrei, B. ; Atar, Leyla ; Aumann, Thomas ; Avdeichikov, Vladimir ; Bacri, C. ; Bagchi, S. ; Barbieri, Carlo ; Beceiro, Saul ; Beck, C. ; Beinrucker, Clemens ; Belier, Gilbert ; Bemmerer, Daniel ; Bendel, M. ; Benlliure Anaya, Jose Fernando ; Benzoni, G. ; Berjillos, R. ; Bertini, D. ; Bertulani, Carlos A. ; Bishop, S. ; Blasi, N. ; Bloch, T. ; Blumenfeld, Y. ; Bonaccorso, A. ; Boretzky, Konstanze ; Botvina, Alexander ; Boudard, A. ; Boutachkov, P. ; Boztosun, I. ; Bracco, A. ; Brambilla, S. ; Monago, J.Briz ; Caamano, Manuel ; Caesar, Christoph ; Camera, F. ; Casarejos Ruiz, Enrique ; Catford, Wilton N. ; Cederkäll, Joakim ; Cederwall, B. ; Chartier, Marielle ; Chatillon, Audrey ; Cherciu, M. ; Chulkov, Leonid V. ; Coleman-Smith, P. ; Cortina Gil, Dolores ; Crespi, F. ; Crespo, Raquel ; Cresswell, J. ; Csatlós, Margit ; Déchery, F. ; Davids, B. ; Davinson, Thomas ; Derya, Vera ; Detistov, P. ; Díaz Fernández, Paloma ; DiJulio, D. ; Dmitry, S. ; Doré, D. ; Dueñas, J. ; Dupont, Emmeric ; Egelhof, Peter ; Egorova, I. ; Elekes, Zoltán ; Enders, Joachim ; Endres, Janis ; Ershov, S. ; Ershova, Olga ; Fernández Domínguez, Beatriz ; Fetisov, A. ; Fiori, Enrico ; Fomichev, A. ; Fonseca, M. ; Fraile, L. ; Freer, Martin ; Friese, Jürgen ; Garcia Borge, Maria José ; Galaviz Redondo, Daniel ; Gannon, S. ; Garg, U. ; Gašparić, Igor ; Gasques, L. ; Gastineau, B. ; Geissel, Hans ; Gernhäuser, Roman ; Ghosh, T. ; Gilbert, M. ; Glorius, Jan ; Golubev, Pavel ; Gorshkov, Alexander ; Gourishetty, A. ; Grigorenko, Leonid V. ; Gulyas, J. ; Haiduc, Maria ; Hammache, F. ; Harakeh, Muhsin N. ; Hass, M. ; Heine, Marcel ; Hennig, Andreas ; Henriques, Ana ; Herzberg, Rolf-Dietmar ; Holl, Matthias ; Ignatov, Alexander ; Ignatyuk, A. ; Ilieva, Stoyanka ; Ivanov, Marian ; Iwasa, N. ; Jakobsson, B. ; Johansson, Håkan T. ; Jonson, Björn ; Joshi, P. ; Junghans, Arnd Rudolf ; Jurado Apruzzese, Beatriz ; Körner, G. ; Kalantar, N. ; Kanungo, Rituparna ; Kelic-Heil, Aleksandra ; Kezzar, K. ; Khan, E. ; Khanzadeev, Alexei ; Kiselev, Oleg A. ; Kogimtzis, M. ; Körper, D. ; Kräckmann, S. ; Kröll, Thorsten ; Krücken, Reiner ; Krasznahorkay, A. ; Kratz, Jens-Volker ; Kresan, Dmytro ; Krings, Thomas ; Krumbholz, A. ; Krupko, S. ; Kulessa, Reinhard ; Kumar, Shyam ; Kurz, Nikolaus ; Kuzmin, E. ; Labiche, Marc ; Langanke, Karlheinz ; Lazarus, I. ; Bleis, T.Le ; Lederer, Claudia ; Lemasson, A. ; Lemmon, Roy Crawford ; Liberati, V. ; Litvinov, Yuri A. ; Löher, Bastian ; Herraiz, J.Lopez ; Münzenberg, G. ; Machado, Jorge ; Maev, E. ; Mahata, Kripamay ; Mancusi, D. ; Marganiec, Justyna ; Perez, M.Martinez ; Marusov, V. ; Mengoni, D. ; Million, B. ; Morcelle, V. ; Moreno, O. ; Movsesyan, Alina ; Nácher González, Enrique ; Najafi, Mohammad Ali ; Nakamura, T. ; Naqvi, F. ; Nikolski, E. ; Nilsson, Thomas ; Nociforo, Chiara ; Nolan, P. ; Novatsky, B. ; Nyman, Göran Hugo ; Ornelas, A. ; Palit, R. ; Pandit, S. ; Panin, Valerii ; Paradela Dobarro, Carlos ; Parkar, V. ; Paschalis, Stefanos ; Pawłowski, P. ; Perea Martinez, Angel ; Pereira, J. ; Petrache, C. ; Petri, Marina ; Pickstone, Simon Glynn ; Pietralla, Norbert ; Pietri, Stephane ; Pivovarov, Y. ; Potlog, P. ; Prokofiev, A. ; Rastrepina, G. ; Rauscher, Thomas ; Ribeiro Jimenez, Guillermo ; Ricciardi, Maria Valentina ; Richter, Achim ; Rigollet, Catherine ; Riisager, Karsten ; Rios, A. ; Ritter, C. ; Rodríguez Frutos, Tomás Raúl ; Rodríguez Vignote, Javier ; Röder, Marko ; Romig, Christopher ; Rossi, Dominic M. ; Roussel-Chomaz, P. ; Rout, Prakash Chandra ; Roy, S. ; Söderström, P. ; Saha Sarkar, Maitreyee ; Sakuta, S. ; Salsac, M. ; Sampson, J. ; Sanchez, J. ; Saez, del Rio ; Rosado, J.Sanchez ; Sanjari, Mohammad Shahab ; Sarriguren, P. ; Sauerwein, Anne ; Savran, Deniz ; Scheidenberger, Christoph ; Scheit, Heiko ; Schmidt, Stefan ; Schmitt, C. ; Schnorrenberger, Linda ; Schrock, P. ; Schwengner, R. ; Seddon, D. ; Sherrill, B. ; Shrivastava, A. ; Sidorchuk, S. ; Silva, Joel ; Simon, Haik ; Simpson, E. ; Singh, P. ; Slobodan, D. ; Sohler, D. ; Spieker, Mark-Christoph ; Stach, D. ; Stan, E. ; Stanoiu, M. ; Stepantsov, S. ; Stevenson, P. ; Strieder, F. ; Stuhl, László ; Suda, T. ; Sümmerer, Klaus ; Streicher, Branislav ; Taieb, Julien ; Takechi, M. ; Tanihata, I. ; Taylor, J. ; Tengblad, Olof ; Ter-Akopian, G. ; Terashima, S. ; Teubig, P. ; Thies, Ronja ; Thoennessen, M. ; Thomas, T. ; Thornhill, J. ; Thungstrom, G. ; Timar, J. ; Togano, Yasuhiro ; Tomohiro, U. ; Tornyi, T. ; Tostevin, J. ; Townsley, C. ; Trautmann, Wolfgang ; Trivedi, T. ; Typel, Stefan ; Uberseder, E. ; Udias, J. ; Uesaka, T. ; Uvarov, L. ; Vajta, Z. ; Velho, Paulo ; Vikhrov, V. ; Volknandt, Meiko ; Volkov, Vasily ; Neumann-Cosel, Peter von ; Schmid, Mirko von ; Wagner, A. ; Wamers, Felix ; Weick, Helmut ; Wells, D. ; Westerberg, L. ; Wieland, Oliver ; Wiescher, Michael ; Wimmer, Christine ; Wimmer, K. ; Winfield, John S. ; Winkel, M. ; Woods, Philip John ; Wyss, R. ; Yakorev, Dmitry ; Yavor, M. ; Zamora Cardona, Juan Carlos ; Zartova, I. ; Zerguerras, T. ; Zgura, M. ; Zhdanov, A. ; Zhukov, Mikhail V. ; Zieblinski, M. ; Zilges, Andreas ; Zuber, Kai
The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those processes, because they are shielded from the s-process flow and r-process β-decay chains. These nuclei are attributed to the p and rp process.
For all those processes, current research in nuclear astrophysics addresses the need for more precise reaction data involving radioactive isotopes. Depending on the particular reaction, direct or inverse kinematics, forward or time-reversed direction are investigated to determine or at least to constrain the desired reaction cross sections.
The Facility for Antiproton and Ion Research (FAIR) will offer unique, unprecedented opportunities to investigate many of the important reactions. The high yield of radioactive isotopes, even far away from the valley of stability, allows the investigation of isotopes involved in processes as exotic as the r or rp processes.
Leal Cidoncha, Esther ; Durán, Ignacio ; Paradela Dobarro, Carlos ; Tarrío Vilas, Diego ; Leong, Lou Sai ; Tassan-Got, Laurent ; Audouin, Laurent ; Altstadt, Sebastian ; Andrzejewski, Józef ; Barbagallo, Massimo ; Bécares, Vicente ; Bečvář, František ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Boccone, Vittorio ; Bosnar, Damir ; Brugger, Markus ; Calviani, Marco ; Calviño Tavares, Francisco ; Cano-Ott, Daniel ; Carrapiço, Carlos ; Cerutti, Francesco ; Chiaveri, Enrico ; Chin, Michael ; Colonna, Nicola ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dzysiuk, Nataliia ; Eleftheriadis, Christos ; Ferrari, Alfredo ; Fraval, Kevin ; Ganesan, Srinivasan ; García Ríos, Aczel Regino ; Giubrone, Giuseppe ; Gómez Hornillos, María Belén ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Gurusamy, Perumal ; Hernández Prieto, Álvaro ; Jenkins, David ; Jericha, Erwin ; Kadi, Yacine ; Käppeler, Franz ; Karadimos, Dimitri ; Kivel, Nikolay ; Koehler, Paul ; Kokkoris, Michael ; Krtička, Milan ; Kroll, Jiří ; Lampoudis, Christos ; Langer, Christoph ; Lederer, Claudia ; Leeb, Helmut ; Lo Meo, Sergio ; Losito, Roberto ; Mallick, Amod Kishore ; Manousos, Athanasios ; Marganiec, Justyna ; Martı́nez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Meaze, AKM Moinul Haque ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Mondelaers, Willy ; Pavlik, Andreas ; Perkowski, Jarosław ; Plompen, Arjan J. M. ; Praena, Javier ; Quesada Molina, José Manuel ; Rauscher, Thomas ; Reifarth, René ; Riego Pérez, Albert ; Robles Manzano, Maria Soledad ; Roman, Faustin Laurenţiu ; Rubbia, Carlo ; Sabaté-Gilarte, Marta ; Sarmento, Raul ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tsinganis, Andrea ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Versaci, Roberto ; Vermeulen, Mark J. ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Ware, Timothy ; Weigand, Mario ; Weiß, Christina ; Wright, Tobias ; Žugec, Petar
Neutron-induced fission cross sections of 238U and 235U are used as standards in the fast neutron region up to 200 MeV. A high accuracy of the standards is relevant to experimentally determine other neutron reaction cross sections. Therefore, the detection effciency should be corrected by using the angular distribution of the fission fragments (FFAD), which are barely known above 20 MeV. In addition, the angular distribution of the fragments produced in the fission of highly excited and deformed nuclei is an important observable to investigate the nuclear fission process.
In order to measure the FFAD of neutron-induced reactions, a fission detection setup based on parallel-plate avalanche counters (PPACs) has been developed and successfully used at the CERN-n_TOF facility. In this work, we present the preliminary results on the analysis of new 235U(n,f) and 238U(n,f) data in the extended energy range up to 200 MeV compared to the existing experimental data.
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