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Stamatopoulos, Athanasios ; Tsinganis, Andrea ; Colonna, Nicola ; Vlastou, Rosa ; Kokkoris, Michael ; Schillebeeckx, Peter ; Plompen, Arjan J. M. ; Heyse, Jan ; Žugec, Petar ; Barbagallo, Massimo ; Calviani, Marco ; Berthoumieux, Eric ; Chiaveri, Enrico ; Aberle, Oliver ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Bacak, Michael ; Balibrea Correa, Javier ; Barros, Susana C.C. ; Bečvář, František ; Beinrucker, Clemens ; Belloni, Fabio ; Billowes, Jonathan ; Boccone, Vittorio ; Bosnar, Damir ; Brugger, Markus ; Caamaño, Manuel ; Calviño Tavares, Francisco ; Cano-Ott, Daniel ; Cerutti, Francesco ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Cosentino, Luigi ; Damone, Lucia Anna ; Deo, Kapil ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Pedro G. ; Finocchiaro, Paolo ; Frost, Robert J. W. ; Furman, Valter ; Göbel, Kathrin ; Gómez Hornillos, María Belén ; García Ríos, Aczel Regino ; Gheorghe, Ioana ; Glodariu, Tudor ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Goverdovski, Andrey ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Harada, Hideo ; Heftrich, Tanja ; Heinitz, Stephan ; Hernández Prieto, Álvaro ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Katabuchi, Tatsuya ; Kavrigin, Pavel ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kimura, Atsushi ; Kivel, Nikolay ; Krtička, Milan ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Lerendegui-Marco, Jorge ; Licata, Mauro ; Lo Meo, Sergio ; Losito, Roberto ; Macina, Daniela ; Marganiec, Justyna ; Martı́nez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Matteucci, Francesca ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Montesano, Simone ; Musumarra, Agatino ; Nolte, Ralf ; Palomo Pinto, Francisco Rogelio ; Paradela Dobarro, Carlos ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Rauscher, Thomas ; Reifarth, René ; Riego Pérez, Albert ; Robles Manzano, Maria Soledad ; Rubbia, Carlo ; Ryan, James ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Suryanarayana, Saraswatula Venkata ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; Tassan-Got, Laurent ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Vlachoudis, Vasilis ; Wallner, Anton ; Warren, Stephen J. ; Weigand, Mario ; Weiß, Christina ; Wright, Tobias
The accurate knowledge of the neutron-induced fission cross-sections of actinides and other isotopes involved in the nuclear fuel cycle is essential for the design of advanced nuclear systems, such as Generation-IV nuclear reactors. Such experimental data can also provide the necessary feedback for the adjustment of nuclear model parameters used in the evaluation process, resulting in the further development of nuclear fission models. In the present work, the 240Pu(n,f) cross-section was measured at CERN's n_TOF facility relative to the well-known 235U(n,f) cross section, over a wide range of neutron energies, from meV to almost MeV, using the time-of-flight technique and a set-up based on Micromegas detectors. This measurement was the first experiment to be performed at n_TOF's new experimental area (EAR-2), which offers a significantly higher neutron flux compared to the already existing experimental area (EAR-1). Preliminary results as well as the experimental procedure, including a description of the facility and the data handling and analysis, are presented.
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, Attila ; 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.
Lederer-Woods, Claudia ; Battino, Umberto ; Ferreira, Pedro G. ; Gawlik, Aleksandra ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Heinitz, Stephan ; Lerendegui-Marco, Jorge ; Mengoni, Alberto ; Reifarth, René ; Tattersall, Ashley ; Valenta, Stanislav ; Weiß, Christina ; Aberle, Oliver ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Bacak, Michael ; Balibrea Correa, Javier ; Barbagallo, Massimo ; Barros, Susana C.C. ; Bečvář, František ; Beinrucker, Clemens ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brugger, Markus ; Caamaño, Manuel ; Calviño Tavares, Francisco ; Calviani, Marco ; Cano-Ott, Daniel ; Cerutti, Francesco ; Chiaveri, Enrico ; Colonna, Nicola ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Cosentino, Luigi ; Damone, Lucia Anna ; Deo, Kapil ; Diakaki, Maria ; Dietz, Mirco ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Finocchiaro, Paolo ; Frost, Robert J. W. ; Furman, Valter ; Göbel, Kathrin ; García Ríos, Aczel Regino ; Gheorghe, Ioana ; Glodariu, Tudor ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Goverdovski, Andrey ; Griesmayer, Erich ; Harada, Hideo ; Heftrich, Tanja ; Hernández Prieto, Álvaro ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Katabuchi, Tatsuya ; Kavrigin, Pavel ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kimura, Akinori ; Kivel, Nikolay ; Knapová, Ingrid ; Kokkoris, Michael ; Krtička, Milan ; Leal Cidoncha, Esther ; Leeb, Helmut ; Licata, Mauro ; Lo Meo, Sergio ; Losito, Roberto ; Macina, Daniela ; Marganiec, Justyna ; Martínez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Matteucci, Francesca ; Mendoza Cembranos, Emilio ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Montesano, Simone ; Musumarra, Agatino ; Nolte, Ralf ; Palomo Pinto, Francisco Rogelio ; Paradela Dobarro, Carlos ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Rauscher, Thomas ; Riego Pérez, Albert ; Robles Manzano, Maria Soledad ; Rubbia, Carlo ; Ryan, James A. ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Stamatopoulos, Athanasios ; Suryanarayana, Saraswatula Venkata ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; Tassan-Got, Laurent ; Tsinganis, Andrea ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Warren, Stephen J. ; Weigand, Mario ; Wright, Tobias ; Žugec, Petar
73Ge(n, γ ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT = 30 keV is 1.5 to 1.7 times higher than most theoretical predictions. The new cross sections result in a substantial decrease of 73Ge produced in stars, which would explain the low isotopic abundance of 73Ge in the solar system.
Gunsing, Frank ; Aberle, Oliver ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Bacak, Michael ; Balibrea Correa, Javier ; Barbagallo, Massimo ; Barros, Susana C.C. ; Bečvář, František ; Beinrucker, Clemens ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brown, Adam ; Brugger, Markus ; Caamaño, Manuel ; Calviño Tavares, Francisco ; Calviani, Marco ; Cano-Ott, Daniel ; Cardella, Roberto ; Casanovas Hoste, Adrià ; Castelluccio, Donato Maurizio ; Cerutti, Francesco ; Chen, Yonghao ; Chiaveri, Enrico ; Colonna, Nicola ; Cortés-Giraldo, Miguel Antonio ; Cortés Rossell, Guillem Pere ; Cosentino, Luigi ; Damone, Lucia Anna ; Deo, Kapil ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Pedro G. ; Finocchiaro, Paolo ; Frost, Robert J. W. ; Furman, Valter ; Ganesan, Srinivasan ; García Ríos, Aczel Regino ; Gawlik, Aleksandra ; Gheorghe, Ioana ; Gilardoni, Simone ; Glodariu, Tudor ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Goverdovski, Andrey ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Göbel, Kathrin ; Harada, Hideo ; Heftrich, Tanja ; Heinitz, Stephan ; Hernández Prieto, Álvaro ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Kalamara, Antigoni ; Katabuchi, Tatsuya ; Kavrigin, Pavel ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kimura, Atsushi ; Kivel, Nikolay ; Kokkoris, Michael ; Krtička, Milan ; Kurtulgil, Cem Deniz ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Lerendegui, Jorge ; Licata, Mauro ; Lo Meo, Sergio ; Lonsdale, Sarah Jane ; Losito, Roberto ; Macina, Daniela ; Marganiec, Justyna ; Martı́nez, Trinitario ; Masi, Alessandro ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Matteucci, Francesca ; Maugeri, Emilio Andrea ; Mazzone, Annamaria ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Montesano, Simone ; Musumarra, Agatino ; Nolte, Ralf ; Negret, Alexandru ; Oprea, Andreea ; Palomo Pinto, Francisco Rogelio ; Paradela Dobarro, Carlos ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Radeck, Désirée ; Rajeev, K. ; Rauscher, Thomas ; Reifarth, René ; Riego Pérez, Albert ; Robles Manzano, Maria Soledad ; Rout, Prakash Chandra ; Rubbia, Carlo ; Ryan, James ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Sosnin, Nikolay V. ; Stamatopoulos, Athanasios ; Suryanarayana, Saraswatula Venkata ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; Tarrío Vilas, Diego ; Tassan-Got, Laurent ; Tsinganis, Andrea ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Warren, Stephen J. ; Weigand, Mario ; Weiß, Christina ; Wolf, Clemens ; Woods, Philip John ; Wright, Tobias ; Žugec, Petar
Neutron-induced reaction cross sections are important for a wide variety of research fields ranging from the study of nuclear level densities, nucleosynthesis to applications of nuclear technology like design, and criticality and safety assessment of existing and future nuclear reactors, radiation dosimetry, medical applications, nuclear waste transmutation, accelerator-driven systems and fuel cycle investigations. Simulations and calculations of nuclear technology applications largely rely on evaluated nuclear data libraries. The evaluations in these libraries are based both on experimental data and theoretical models. CERN’s neutron time-of-flight facility n_TOF has produced a considerable amount of experimental data since it has become fully operational with the start of its scientific measurement programme in 2001. While for a long period a single measurement station (EAR1) located at 185 m from the neutron production target was available, the construction of a second beam line at 20 m (EAR2) in 2014 has substantially increased the measurement capabilities of the facility. An outline of the experimental nuclear data activities at n_TOF will be presented.
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