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Mingrone, Federica ; Massimi, Cristian ; Vannini, Gianni ; Altstadt, Sebastian ; Andrzejewski, Józef ; Audouin, Ludmila ; Barbagallo, Massimo ; Bécares, Vicente ; Bečvář, František ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brugger, Markus ; Calviani, Marco ; Calviño Tavares, Francisco ; Cano-Ott, Daniel ; Carrapiço, Carlos ; Cerutti, Francesco ; Chiaveri, Enrico ; Chin, Mary ; Colonna, Nicola ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Diakaki, Maria ; Domingo-Pardo, César ; Durán, Ignacio ; Dressler, Rugard ; Eleftheriadis, Christos ; Ferrari, Alfredo ; Fraval, Kevin ; Ganesan, Srinivasan ; García Ríos, Aczel Regino ; Giubrone, Giuseppe ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Hernández Prieto, Álvaro ; Jenkins, David ; Jericha, Erwin ; Kadi, Yacine ; Käppeler, Franz ; Karadimos, Dimitri ; Kivel, Nikolay ; Koehler, Paul Edward ; Krtička, Milan ; Kroll, Jiří ; Lampoudis, Christos ; Langer, Christoph ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Leong, Lou Sai ; Losito, Roberto ; Mallick, Amod Kishore ; Manousos, Athanasios ; Marganiec, Justyna ; Martínez, Trinitario ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mirea, Mihail ; Mondalaers, 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, Marisol S. ; Rubbia, Carlo ; Sabaté Gilarte, Marta ; Sarmento, Raul ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Sebastian ; Schumann, Dorothea ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarrío Vilas, Diego ; Tassan-Got, Laurent ; Tsinganis, Andrea ; Valenta, Stanislav ; 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 radiative capture cross section of 238U is very important for the developing of new reactor technologies and the safety of existing ones. Here the preliminary results of the 238U(n,γ) cross section measurement performed at n_TOF with C6D6 scintillation detectors are presented, paying particular attention to data reduction and background subtraction.
Barbagallo, Massimo ; Colonna, Nicola ; Aberle, Oliver ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Bacak, Michael ; Balibrea Correa, Javier ; Barros, Susana C.C. ; Bečvář, František ; Beinrucker, Clemens ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; 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 ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Cosentino, Luigi ; Damone, Lucia Anna ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Pedro G. ; Finocchiaro, Paolo ; Furman, Valter ; Göbel, Kathrin ; García Ríos, Aczel Regino ; Gawlik, Aleksandra ; 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 ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Katabuchi, Tatsuya ; Kavrigin, Pavel ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kimura, Atsushi ; Kivel, Nikolay ; Kokkoris, Michael ; Krtička, Milan ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Lerendegui-Marco, Jorge ; Lo Meo, Sergio ; Lonsdale, Sarah Jane ; Losito, Roberto ; Macina, Daniela ; Marganiec, Justyna ; Martı́nez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Matteucci, Francesca ; Maugeri, Emilio Andrea ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Montesano, Simone ; Musumarra, Agatino ; Nolte, Ralf ; Oprea, Andreea ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Rajeev, K. ; Rauscher, Thomas ; Reifarth, René ; Riego Pérez, Albert ; Rout, Prakash Chandra ; Rubbia, Carlo ; Ryan, James ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Stamatopoulos, Athanasios ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; 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
The Cosmological Lithium Problem refers to the large discrepancy between the abundance of primordial 7Li predicted by the standard theory of Big Bang Nucleosynthesis and the value inferred from the so-called “Spite plateau” in halo stars. A possible explanation for this longstanding puzzle in Nuclear Astrophysics is related to the incorrect estimation of the destruction rate of 7Be, which is responsible for the production of 95% of primordial Lithium. While charged-particle induced reactions have mostly been ruled out, data on the 7Be(n,α) and 7Be(n,p) reactions are scarce or completely missing, so that a large uncertainty still affects the abundance of 7Li predicted by the standard theory of Big Bang Nucleosynthesis. Both reactions have been measured at the n_TOF facility at CERN, providing for the first time data in a wide neutron energy range.
Accurate measurement of the standard 235U(n,f) cross section from thermal to 170 keV neutron energy
(2020)
Amaducci, Simone ; Aberle, Oliver ; Andrzejewski, Józef ; Audouin, Laurent ; Bacak, Michael ; Balibrea Correa, Javier ; Barbagallo, Massimo ; Bečvář, František ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brown, Adam ; Caamaño, Manuel ; Calviño Tavares, Francisco ; Calviani, Marco ; Cano-Ott, Daniel ; Cardella, Roberto ; Casanovas Hoste, Adrià ; Cerutti, Francesco ; Chen, Yonghao ; Chiaveri, Enrico ; Colonna, Nicola ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Cosentino, Luigi ; Damone, Lucia Anna ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Pedro G. ; Finocchiaro, Paolo ; Furman, Valter ; Göbel, Kathrin ; García Ríos, Aczel Regino ; Gawlik, Aleksandra ; Gilardoni, Simone ; Glodariu, Tudor ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Harada, Hideo ; Heinitz, Stephan ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Kalamara, Antigoni ; Kavrigin, Pavel ; Kimura, Atsushi ; Kivel, Nikolay ; Knapová, Ingrid ; Kokkoris, Michael ; Krtička, Milan ; Kurtulgil, Cem Deniz ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Lerendegui-Marco, Jorge ; Lo Meo, Sergio ; Lonsdale, Sarah Jane ; Macina, Daniela ; Manna, Alice ; Marganiec, Justyna ; Martı́nez, Trinitario ; Masi, Alessandro ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Maugeri, Emilio Andrea ; Mazzone, Annamaria ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Musumarra, Agatino ; Negret, Alexandru ; Nolte, Ralf ; Oprea, Andreea ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Radeck, Désirée ; Rauscher, Thomas ; Reifarth, René ; Rubbia, Carlo ; Ryan, James A. ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Sosnin, Nikolay V. ; Stamatopoulos, Athanasios ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; Tassan-Got, Laurent ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Warren, Stephen J. ; Weiß, Christina ; Woods, Philip John ; Wright, Tobias ; Žugec, Petar
An accurate measurement of the 235U(n,f) cross section from thermal to 170 keV of neutron energy has recently been performed at n_TOF facility at CERN using 6Li(n,t)4He and 10B(n,α)7Li as references. This measurement has been carried out in order to investigate a possible overestimation of the 235U fission cross section evaluation provided by most recent libraries between 10 and 30 keV. A custom experimental apparatus based on in-beam silicon detectors has been used, and a Monte Carlo simulation in GEANT4 has been employed to characterize the setup and calculate detectors efficiency. The results evidenced the presence of an overestimation in the interval between 9 and 18 keV and the new data may be used to decrease the uncertainty of 235U(n,f) cross section in the keV region.
Leong, Lou Sai ; Tassan-Got, Laurent ; Tarrío Vilas, Diego ; Audouin, Laurent ; Paradela Dobarro, Carlos ; Durán, Ignacio ; Le Naour, Claire ; Altstadt, Sebastian ; Andrzejewsky, Jozef ; Barbagallo, Massimo ; Bécares, Vicente ; 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 ; 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 ; Jenkins, David ; Jericha, Erwin ; Kadi, E. ; Käppeler, Franz ; Karadimos, Dimitri ; Kivel, Nikolay ; Koehler, Paul ; Kokkoris, Michael ; Korschinek, Gunther ; Kroll, Jiří ; Krtička, Milan ; Langer, Christoph ; Lederer, Claudia ; Leeb, Helmut ; Losito, Roberto ; Manousos, Athanasios ; Marganiec, Justyna ; Massimi, Cristian ; Martı́nez, Trinitario ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Meaze, AKM Moinul Haque ; Mengon, A. ; Mendoza Cembranos, Emilio ; Milazzo, Paolo Maria ; Mingrone, T. ; Mirea, Mihail ; Mondelaers, Willy ; Pavlik, Andreas ; Perkowski, Jarosław ; Pignatari, Marco ; Plompen, Arjan J. M. ; Praena, Javier ; Quesada Molina, José Manuel ; Rauscher, Thomas ; Reifhart, R. ; Riego Pérez, Albert ; Roman, Faustin Laurenţiu ; Rubbia, Carlo ; Sarmento, Raul ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Taı́n Enríquez, Jose Luis ; Tagliente, Giuseppe ; Tsinganis, Andrea ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Versaci, Roberto ; Vermeulen, Mark J. ; Vlachoudis, Vasilis ; Vlastou, V. ; Wallner, Anton ; Ware, Timothy ; Weigand, Mario ; Weiß, Christina ; Wright, Tobias ; Žugec, Petar
Above 1 MeV of incident neutron energy the fission fragment angular distribution (FFAD) has generally a strong anisotropic behavior due to the combination of the incident orbital momentum and the intrinsic spin of the fissioning nucleus. This effect has to be taken into account for the efficiency estimation of devices used for fission cross section measurements. In addition it bears information on the spin deposition mechanism and on the structure of transitional states. We designed and constructed a detection device, based on Parallel Plate Avalanche Counters (PPAC), for measuring the fission fragment angular distributions of several isotopes, in particular 232Th. The measurement has been performed at n_TOF at CERN taking advantage of the very broad energy spectrum of the neutron beam. Fission events were recognized by back to back detection in coincidence in two position-sensitive detectors surrounding the targets. The detection efficiency, depending mostly on the stopping of fission fragments in backings and electrodes, has been computed with a Geant4 simulation and validated by the comparison to the measured case of 235U below 3 keV where the emission is isotropic. In the case of 232Th, the result is in good agreement with previous data below 10 MeV, with a good reproduction of the structures associated to vibrational states and the opening of second chance fission. In the 14 MeV region our data are much more accurate than previous ones which are broadly scattered.
Chen, Yong Hao ; Tassan-Got, Laurent ; Audouin, Laurent ; Le Naour, Claire ; Durán, Ignacio ; Casarejos Ruiz, Enrique ; Aberle, Oliver ; Andrzejewski, Józef ; Bécares, Vicente ; Bacak, Michael ; Balibrea Correa, Javier ; Barbagallo, Massimo ; Barros, Susana C.C. ; Bečvář, František ; Beinrucker, Clemens ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brugger, Markus ; Caamaño, Manuel ; Calviño Tavares, Francisco ; Calviani, Marco ; Cano-Ott, Daniel ; Cardella, Roberto ; Casanovas Hoste, Adrià ; Castelluccio, Donato Maurizio ; Cerutti, Francesco ; Chiaveri, Enrico ; Colonna, Nicola ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Cosentino, Luigi ; Damone, Lucia Anna ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Pedro G. ; Finocchiaro, Paolo ; Furman, Valter ; Göbel, Kathrin ; Gómez Hornillos, María Belén ; García Ríos, Aczel Regino ; Gawlik, Aleksandra ; 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 ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Katabuchi, Tatsuya ; Kavrigin, Pavel ; Ketlerov, Vladimir ; Khryachkov, Vitaly ; Kimura, Atsushi ; Kivel, Nikolay ; Kokkoris, Michael ; Krtička, Milan ; Leal Cidoncha, Esther ; Lederer, Claudia ; Leeb, Helmut ; Lerendegui-Marco, Jorge ; Lo Meo, Sergio ; Lonsdale, Sarah Jane ; Losito, Roberto ; Macina, Daniela ; Marganiec, Justyna ; Martı́nez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Matteucci, Francesca ; Maugeri, Emilio Andrea ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Montesano, Simone ; Musumarra, Agatino ; Nolte, Ralf ; Oprea, Andreea ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Rajeev, K. ; Rauscher, Thomas ; Reifarth, René ; Riego Pérez, Albert ; Robles Manzano, Maria Soledad ; Rout, Prakash Chandra ; Rubbia, Carlo ; Ryan, James A. ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Stamatopoulos, Athanasios ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; 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
The experimental area 2 (EAR-2) at CERNs neutron time-of-flight facility (n_TOF), which is operational since 2014, is designed and built as a short-distance complement to the experimental area 1 (EAR-1). The Parallel Plate Avalanche Counter (PPAC) monitor experiment was performed to characterize the beam pro↓le and the shape of the neutron 'ux at EAR-2. The prompt γ-flash which is used for calibrating the time-of-flight at EAR-1 is not seen by PPAC at EAR-2, shedding light on the physical origin of this γ-flash.
Marganiec, Justyna ; Wamers, Felix ; Aksouh, Farouk ; Aksyutina, Yuliya ; Álvarez-Pol, Héctor ; Aumann, Thomas ; Beceiro-Novo, Saul ; Bertulani, Carlos A. ; Boretzky, Konstanze ; Garcia Borge, Maria José ; Chartier, Marielle ; Chatillon, Audrey ; Chulkov, Leonid V. ; Cortina Gil, Dolores ; Emling, Hans ; Ershova, Olga ; Fraile Prieto, Luis Mario ; Fynbo, Hans Otto Uldall ; Galaviz Redondo, Daniel ; Geissel, Hans ; Heil, Michael ; Hoffmann, Dieter H. H. ; Hoffmann, Jan ; Johansson, Håkan T. ; Jonson, Björn ; Karagiannis, Christos ; Kiselev, Oleg A. ; Kratz, Jens-Volker ; Kulessa, Reinhard ; Kurz, Nikolaus ; Langer, Christoph ; Lantz, Mattias ; Le Bleis, Tudi ; Lemmon, Roy Crawford ; Litvinov, Yuri A. ; Mahata, Kripamay ; Müntz, Christian ; Nilsson, Thomas ; Nociforo, Chiara ; Nyman, Göran Hugo ; Ott, Wolfgang ; Panin, Valerii ; Paschalis, Stefanos ; Perea Martinez, Angel ; Plag, Ralf ; Reifarth, René ; Richter, Achim ; Rodriguez-Tajes, Carme ; Rossi, Dominic M. ; Riisager, Karsten ; Savran, Deniz ; Schrieder, Gerhard ; Simon, Haik ; Stroth, Joachim ; Sümmerer, Klaus ; Tengblad, Olof ; Typel, Stefan ; Weick, Helmut ; Wiescher, Michael ; Wimmer, Christine
New experimental data for dissociation of relativistic 17Ne projectiles incident on targets of lead, carbon, and polyethylene targets at GSI are presented. Special attention is paid to the excitation and decay of narrow resonant states in 17Ne. Distributions of internal energy in the three-body system have been determined together with angular and partial-energy correlations between the decay products in different energy regions. The analysis was done using existing experimental data on 17Ne and its mirror nucleus 17N. The isobaric multiplet mass equation is used for assignment of observed resonances and their spins and parities. A combination of data from the heavy and light targets yielded cross sections and transition probabilities for the Coulomb excitations of the narrow resonant states. The resulting transition probabilities provide information relevant for a better understanding of the 17Ne structure.
Destruction of the cosmic γ-ray emitter 26Al in massive stars: study of the key 26Al(n,p) reaction
(2021)
Lederer-Woods, Claudia ; Woods, Philip John ; Davinson, Thomas ; Kahl, David ; Lonsdale, Sarah Jane ; Aberle, Oliver ; Amaducci, Simone ; Andrzejewski, Józef ; Audouin, Laurent ; Bacak, Michael ; Balibrea Correa, Javier ; Barbagallo, Massimo ; Bečvář, František ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brown, Adam ; Caamaño, Manuel ; Calviño Tavares, Francisco ; Calviani, Marco ; Cano-Ott, Daniel ; Cardella, Roberto ; Casanovas Hoste, Adrià ; Cerutti, Francesco ; Chen, Yonghao ; Chiaveri, Enrico ; Colonna, Nicola ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Cosentino, Luigi ; Cristallo, Sergio ; Damone, Lucia Anna ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Paulo ; Ferrer, Francisco Javier ; Finocchiaro, Paolo ; Furman, Valter ; Göbel, Kathrin ; García Ríos, Aczel Regino ; Gawlik, Aleksandra ; Gilardoni, Simone ; Glodariu, Tudor ; Gonçalves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Harada, Hideo ; Heinitz, Stephan ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Kadi, Yacine ; Kalamara, Antigoni ; Kavrigin, Pavel ; Kimura, Atsushi ; Kivel, Nikolay ; Kokkoris, Michael ; Krtička, Milan ; Kurtulgil, Cem Deniz ; Leal Cidoncha, Esther ; Leeb, Helmut ; Lerendegui-Marco, Jorge ; Lo Meo, Sergio ; Macina, Daniela ; Manna, Alice ; Marganiec, Justyna ; Martínez, Trinitario ; Masi, Alessandro ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Maugeri, Emilio Andrea ; Mazzone, Annamaria ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Musumarra, Agatino ; Negret, Alexandru ; Nolte, Ralf ; Oprea, Andreea ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Porras Sánchez, José Ignacio ; Praena, Javier ; Quesada Molina, José Manuel ; Radeck, Désirée ; Rauscher, Thomas ; Reifarth, René ; Rubbia, Carlo ; Ryan, James A. ; Sabaté-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schumann, Dorothea ; Sedyshev, Pavel V. ; Smith, Alastair G. ; Sosnin, Nikolay V. ; Stamatopoulos, Athanasios ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; Tassan-Got, Laurent ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Wallner, Anton ; Warren, Stuart ; Weß, Christina ; Wright, Tobias ; Žugec, Petar
The 26Al(n,p)26Mg reaction is the key reaction impacting on the abundances of the cosmic γ-ray emitter 26Al produced in massive stars and impacts on the potential pollution of the early solar system with 26Al by asymptotic giant branch stars. We performed a measurement of the 26Al(n,p)26Mg cross section at the high-flux beam line EAR-2 at the n_TOF facility (CERN). We report resonance strengths for eleven resonances, nine being measured for the first time, while there is only one previous measurement for the other two. Our resonance strengths are significantly lower than the only previous values available. Our cross-section data range to 150 keV neutron energy, which is sufficient for a reliable determination of astrophysical reactivities up to 0.5 GK stellar temperature.
Wamers, Felix ; Marganiec, Justyna ; Aksouh, Farouk ; Aksyutina, Yuliya ; Álvarez-Pol, Héctor ; Aumann, Thomas ; Beceiro-Novo, Saul ; Bertulani, Carlos A. ; Boretzky, Konstanze ; Garcia Borge, Maria José ; Chartier, Marielle ; Chatillon, Audrey ; Chulkov, Leonid V. ; Cortina Gil, Dolores ; Egorova, Irina A. ; Emling, Hans ; Ershova, Olga ; Forssén, Christian ; Fraile Prieto, Luis Mario ; Fynbo, Hans Otto Uldall ; Galaviz Redondo, Daniel ; Geissel, Hans ; Grigorenko, Leonid V. ; Heil, Michael ; Hoffmann, Dieter H. H. ; Hoffmann, Jan ; Johansson, Håkan T. ; Jonson, Björn ; Karagiannis, Christos ; Karakoç, Mesut ; Kiselev, Oleg A. ; Kratz, Jens-Volker ; Kulessa, Reinhard ; Kurz, Nikolaus ; Langer, Christoph ; Lantz, Mattias ; Larsson, Kristian ; Le Bleis, Tudi ; Lemmon, Roy Crawford ; Litvinov, Yuri A. ; Mahata, Kripamay ; Müntz, Christian ; Nilsson, Thomas ; Nociforo, Chiara ; Nyman, Göran Hugo ; Ott, Wolfgang ; Panin, Valerii ; Parfenova, Yulia L. ; Paschalis, Stefanos ; Perea Martinez, Angel ; Plag, Ralf ; Reifarth, René ; Richter, Achim ; Rodriguez-Tajes, Carme ; Rossi, Dominic M. ; Riisager, Karsten ; Savran, Deniz ; Schrieder, Gerhard ; Shulgina, Natalia B. ; Simon, Haik ; Stroth, Joachim ; Sümmerer, Klaus ; Taylor, Jonathan Thomas ; Tengblad, Olof ; Tengborn, Elisabeth ; Weick, Helmut ; Wimmer, Christine ; Zhukov, Mikhail V.
We have studied one-proton-removal reactions of about 500MeV/u 17Ne beams on a carbon target at the R3B/LAND setup at GSI by detecting beam-like 15O-p and determining their relative-energy distribution. We exclusively selected the removal of a 17Ne halo proton, and the Glauber-model analysis of the 16F momentum distribution resulted in an s2 contribution in the 17Ne ground state of about 40%.
Žugec, Petar ; Barbagallo, Massimo ; Colonna, Nicola ; Bosnar, Damir ; Altstadt, Sebastian ; Andrzejewski, Józef ; Audouin, Laurent ; Bécares, Vicente ; Bečvář, František ; Belloni, Fabio ; Berthoumieux, Eric ; Billowes, Jonathan ; Boccone, Vittorio ; Brugger, Markus ; Calviani, Marco ; Calviño Tavares, Francisco ; Cano-Ott, Daniel ; Carrapiço, Carlos ; Cerutti, Francesco ; Chiaveri, Enrico ; Chin, Michael ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Diakaki, Maria ; Domingo-Pardo, César ; Dressler, Rugard ; Durán, Ignacio ; 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 ; Heinitz, Stephan ; Jenkins, David ; Jericha, Erwin ; Kadi, Yacine ; Käppeler, Franz ; Karadimos, Dimitri ; Kivel, Nikolay ; Koehler, Paul ; Kokkoris, Michael ; Krtička, Milan ; Kroll, Jiří ; Langer, Christoph ; Lederer, Claudia ; Leeb, Helmut ; Leong, Lou Sai ; Lo Meo, Sergio ; Losito, Roberto ; Manousos, Athanasios ; Marganiec, Justyna ; Martínez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Meaze, AKM Moinul Haque ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Mondalaers, Willy ; Paradela Dobarro, Carlos ; Pavlik, Andreas ; Perkowski, Jarosław ; Pignatari, Marco ; Plompen, Arjan J. M. ; Praena, Javier ; Quesada Molina, José Manuel ; Rauscher, Thomas ; Reifarth, René ; Riegov, A. ; Roman, Faustin Laurenţiu ; Rubbia, Carlo ; Sarmento, Raul ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Schumann, Dorothea ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarrío Vilas, Diego ; Tassan-Got, Laurent ; 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
The neutron capture cross section of 58Ni was measured at the neutron time of flight facility n_TOF at CERN, from 27 meV to 400 keV neutron energy. Special care has been taken to identify all the possible sources of background, with the so-called neutron background obtained for the first time using high-precision GEANT4 simulations. The energy range up to 122 keV was treated as the resolved resonance region, where 51 resonances were identified and analyzed by a multilevel R-matrix code SAMMY. Above 122 keV the code SESH was used in analyzing the unresolved resonance region of the capture yield. Maxwellian averaged cross sections were calculated in the temperature range of kT = 5 – 100 keV, and their astrophysical implications were investigated.
Cosentino, Luigi ; Musumarra, Agatino ; Barbagallo, Massimo ; Pappalardo, Alessandro ; Colonna, Nicola ; Damone, Lucia Anna ; Piscopo, Massimo ; Finocchiaro, Paolo ; Maugeri, Emilio Andrea ; Heinitz, Stephan ; Schumann, Dorothea ; Dressler, Rugard ; Kivel, Nikolay ; Aberle, Oliver ; Andrzejewski, Józef ; Audouin, Laurent ; Ayranov, Marin ; Bacak, Michael ; Barros, Susana C.C. ; Balibrea Correa, Javier ; Bécares, Vicente ; Bečvář, František ; Beinrucker, Clemens ; Berthoumieux, Eric ; Billowes, Jonathan ; Bosnar, Damir ; Brugger, Markus ; Caamaño, Manuel ; Calviani, Marco ; Calviño Tavares, Francisco ; Cano-Ott, Daniel ; Cardella, Roberto ; Casanovas Hoste, Adrià ; Castelluccio, Donato Maurizio ; Cerutti, Francesco ; Chen, Yonghao ; Chiaveri, Enrico ; Cortés Rossell, Guillem Pere ; Cortés-Giraldo, Miguel Antonio ; Diakaki, Maria ; Domingo-Pardo, César ; Dupont, Emmeric ; Durán, Ignacio ; Fernández Domínguez, Beatriz ; Ferrari, Alfredo ; Ferreira, Pedro G. ; Furman, Valter ; Ganesan, Srinivasan ; García Ríos, Aczel Regino ; Gawlik, Aleksandra ; Gheorghe, Ioana ; Glodariu, Tudor ; Göbel, Kathrin ; Gonc̗alves, Isabel Maria Ferro ; González Romero, Enrique Miguel ; Griesmayer, Erich ; Guerrero Sánchez, Carlos ; Gunsing, Frank ; Harada, Hideo ; Heftrich, Tanja ; Heyse, Jan ; Jenkins, David ; Jericha, Erwin ; Käppeler, Franz ; Katabuchi, Tatsuya ; Kavrigin, Pavel ; Kimura, Atsushi ; Kokkoris, Michael ; Krtička, Milan ; Leal Cidoncha, Esther ; Lerendegui, Jorge ; Lederer, Claudia ; Leeb, Helmut ; Lo Meo, Sergio ; Lonsdale, Sarah Jane ; Losito, Roberto ; Macina, Daniela ; Marganiec, Justyna ; Martínez, Trinitario ; Massimi, Cristian ; Mastinu, Pierfrancesco ; Mastromarco, Mario ; Matteucci, Francesca ; Mazzone, Annamaria ; Mendoza Cembranos, Emilio ; Mengoni, Alberto ; Milazzo, Paolo Maria ; Mingrone, Federica ; Mirea, Mihail ; Montesano, Simone ; Nolte, Ralf ; Oprea, Andreea ; Patronis, Nikolas ; Pavlik, Andreas ; Perkowski, Jarosław ; Praena, Javier ; Quesada Molina, José Manuel ; Kumar, Rajeev ; Rauscher, Thomas ; Reifarth, René ; Riego Pérez, Albert ; Rout, Prakash Chandra ; Rubbia, Carlo ; Ryan, James A. ; Sabate-Gilarte, Marta ; Saxena, Alok ; Schillebeeckx, Peter ; Schmidt, Stefan ; Sedyshev, Pavel V. ; Smith, Alastair Gavin ; Stamatopoulos, Athanasios ; Tagliente, Giuseppe ; Taı́n Enríquez, José Luis ; Tarifeño-Saldivia, Ariel ; Tassan-Got, Laurent ; Tsinganis, Andrea ; Valenta, Stanislav ; Vannini, Gianni ; Variale, Vincenzo ; Vaz, Pedro ; Ventura, Alberto ; Vlachoudis, Vasilis ; Vlastou, Rosa ; Vollaire, Joachim ; Wallner, Anton ; Warren, Stephen J. ; Weigand, Mario ; Weiß, Christina ; Wolf, Clemens ; Woods, Philip John ; Wright, Tobias ; Žugec, Petar