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High precision measurement of the radiative capture cross section of 238U at the n_TOF CERN facility
(2017)
Mingrone, Federica ; Altstadt, Sebastian ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Barbagallo, Massimo ; Bečvář, František ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Boccone, Vittorio ; Bosnar, Damir ; Brugger, Markus ; Calviño Tavares, Francisco ; Calviani, Marco ; 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 ; Durán, Ignacio ; Eleftheriadis, Christos ; Ferrari, Alfredo ; Fraval, Kevin ; Furman, Valter ; Göbel, Kathrin ; Gómez Hornillos, María Belén ; Ganesan, Srinivasan ; García Ríos, Aczel Regino ; Giubrone, Giuseppe ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Goverdovski, Andrey ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Heftrich, Tanja ; Hernández Prieto, Álvaro ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Karadimos, Dimitri ; Katabuchi, Tatsuya ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kivel, Nikolay ; Koehler, Paul ; Kokkoris, Michael ; Kroll, Jiří ; Krtička, Milan ; Lampoudis, Christos ; Langer, Christoph ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Leong, Lou Sai ; Lerendegui-Marco, Jorge ; Losito, Roberto ; Mallick, Amod Kishore ; Manousos, Athanasios ; Marganiec, Justyna ; Martı́nez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mirea, Mihail ; Mondelaers, Willy ; Paradela Dobarro, Carlos ; 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 ; Rubbia, Carlo ; Ryan, James ; Sabaté-Gilarte, Marta ; Sarmento, Raul ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; 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 ; Vermeulen, Mark J. ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Ware, Timothy ; Weigand, Mario ; Weiß, Christina ; Wright, Tobias ; Žugec, Petar
The importance of improving the accuracy on the capture cross-section of 238U has been addressed by the Nuclear Energy Agency, since its uncertainty significantly affects the uncertainties of key design parameters for both fast and thermal nuclear reactors. Within the 7th framework programme ANDES of the European Commission three different measurements have been carried out with the aim of providing the 238U(n,γ) cross-section with an accuracy which varies from 1 to 5%, depending on the energy range. Hereby the final results of the measurement performed at the n_TOF CERN facility in a wide energy range from 1 eV to 700 keV will be presented.
Balibrea Correa, Javier ; Mendoza Cembranos, Emilio ; Cano-Ott, Daniel ; Krtička, Milan ; Altstadt, Sebastian ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Barbagallo, Massimo ; Bečvář, František ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Boccone, Vittorio ; Bosnar, Damir ; Brugger, Markus ; Calviño Tavares, Francisco ; Calviani, Marco ; 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 ; Durán, Ignacio ; Eleftheriadis, Christos ; Ferrari, Alfredo ; Fraval, Kevin ; Furman, Valter ; Göbel, Kathrin ; Guerrero Sánchez, Carlos ; Gómez Hornillos, María Belén ; Ganesan, Srinivasan ; García Ríos, Aczel Regino ; Giubrone, Giuseppe ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Goverdovski, Andrey ; Griesmayer, Erich ; Gunsing, Frank ; Heftrich, Tanja ; Heinitz, Stephan ; Hernández Prieto, Álvaro ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Karadimos, Dimitri ; Katabuchi, Tatsuya ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kivel, Nikolay ; Koehler, Paul ; Kokkoris, Michael ; Kroll, Jiří ; Lampoudis, Christos ; Langer, Christoph ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Leong, Lou Sai ; Lerendegui-Marco, Jorge ; Licata, Mauro ; Losito, Roberto ; Mallick, Amod Kishore ; Manousos, Athanasios ; Marganiec, Justyna ; Martı́nez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Mondelaers, Willy ; Paradela Dobarro, Carlos ; 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 ; Rubbia, Carlo ; Ryan, James A. ; Sabaté-Gilarte, Marta ; Sarmento, Raul ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; 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 ; Vermeulen, Mark J. ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Ware, Timothy ; Weigand, Mario ; Weiss, Christian ; Wright, Tobias ; Žugec, Petar
The accuracy on neutron capture cross section of fissile isotopes must be improved for the design of future nuclear systems such as Gen-IV reactors and Accelerator Driven Systems. The High Priority Request List of the Nuclear Energy Agency, which lists the most important nuclear data requirements, includes also the neutron capture cross sections of fissile isotopes such as 233,235U and 239,241Pu. A specific experimental setup has been used at the CERN n_TOF facility for the measurement of the neutron capture cross section of 235U by a set of micromegas fission detectors placed inside a segmented BaF2 Total Absorption Calorimeter.
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.
Göbel, Kathrin ; Adrich, Przemysław ; Altstadt, Sebastian ; Altstadt, Sebastian ; Alvarez-Pol, Héctor ; Aksouh, Farouk ; Aumann, Thomas ; Babilon, Mari ; Behr, Karl-Heinz ; Berg, Thomas ; Böhmer, Michael ; Boretzky, Konstanze ; Brünle, Adolf ; Beyer, R. ; Casarejos Ruiz, Enrique ; Chartier, Marielle ; Cortina Gil, Dolores ; Chatillon, Audrey ; Datta Pramanik, Ushasi ; Deveaux, L. ; Elvers, Michael ; Elze, Thomas W. ; Emling, Hans ; Erhard, Martin Andreas ; Ershova, Olga ; Fernández Domínguez, Beatriz ; Geissel, Hans ; Górska, Magdalena ; Heftrich, Tanja ; Heil, Michael ; Hellstroem, M. ; Ickert, Günter ; Johansson, Håkan T. ; Junghans, Arnd Rudolf ; Käppeler, Franz ; Kiselev, Oleg A. ; Klimkiewicz, Adam ; Kratz, Jens-Volker ; Kratz, Jens-Volker ; Kulessa, Reinhard ; Kurz, Nikolaus ; Labiche, Marc ; Langer, Christoph ; Le Bleis, Tudi ; Lemmon, Roy Crawford ; Lindenberg, Kai ; Litvinov, Yuri A. ; Maierbeck, Peter ; Movsesyan, Alina ; Müller, S. ; Nilsson, Thomas ; Nociforo, Chiara ; Paar, Nils ; Palit, Rudrayoti ; Paschalis, Stefanos ; Plag, Ralf ; Prokopowicz, Wawrzyniec ; Reifarth, René ; Rossi, Dominic M. ; Schnorrenberger, Linda ; Simon, Haik ; Sonnabend, Kerstin ; Sümmerer, Klaus ; Surówka, Grzegorz ; Vretenar, Dario ; Wagner, Andreas ; Walter, S. ; Waluś, Władysław ; Wamers, Felix ; Weick, Helmut ; Weigand, Mario ; Winckler, Nicolas ; Winkler, Martin ; Zilges, Andreas
The Coulomb Dissociation (CD) cross sections of the stable isotopes 92,94,100Mo and of the unstable isotope 93Mo were measured at the LAND/R3B setup at GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt, Germany. Experimental data on these isotopes may help to explain the problem of the underproduction of 92,94Mo and 96,98Ru in the models of p-process nucleosynthesis. The CD cross sections obtained for the stable Mo isotopes are in good agreement with experiments performed with real photons, thus validating the method of Coulomb Dissociation. The result for the reaction 93Mo(γ,n) is especially important since the corresponding cross section has not been measured before. A preliminary integral Coulomb Dissociation cross section of the 94Mo(γ,n) reaction is presented. Further analysis will complete the experimental database for the (γ,n) production chain of the p-isotopes of molybdenum.
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