| Article | |
| Title | First Results of the $^{140}$Ce(n,$\gamma$)$^{141}$Ce Cross-Section Measurement at n_TOF |
| Author(s) |
Amaducci, Simone (INFN, LNS ; Catania U.) ; Colonna, Nicola (INFN, Bari) ; Cosentino, Luigi (INFN, LNS) ; Cristallo, Sergio (INFN, Perugia ; Collurania Teramo Observ.) ; Finocchiaro, Paolo (INFN, LNS) ; Krtička, Milan (Charles U.) ; Massimi, Cristian (INFN, Bologna ; U. Bologna, DIFA) ; Mastromarco, Mario (CERN) ; Mazzone, Annamaria (INFN, Bari ; CNR-IC, Bari) ; Mengoni, Alberto (ENEA, Bologna) ; Valenta, Stanislav (Charles U.) ; Aberle, Oliver (CERN) ; Alcayne, Victor (Madrid, CIEMAT) ; Andrzejewski, Józef (NCBJ, Lodz) ; Audouin, Laurent (Orsay, IPN) ; Babiano-Suarez, Victor (Valencia U., IFIC) ; Bacak, Michael (IRFU, Saclay ; CERN ; Vienna, Tech. U.) ; Barbagallo, Massimo (INFN, Bari ; CERN) ; Bennett, Samuel (Manchester U.) ; Berthoumieux, Eric (IRFU, Saclay) ; Billowes, Jon (Manchester U.) ; Bosnar, Damir (Zagreb U.) ; Brown, Adam (York U., England) ; Busso, Maurizio (INFN, Perugia ; Perugia U.) ; Caamaño, Manuel (Santiago de Compostela U.) ; Caballero-Ontanaya, Luis (Valencia U., IFIC) ; Calviño, Francisco (Barcelona, Polytechnic U.) ; Calviani, Marco (CERN) ; Cano-Ott, Daniel (Madrid, CIEMAT) ; Casanovas, Adria (Barcelona, Polytechnic U.) ; Cerutti, Francesco (CERN) ; Chiaveri, Enrico (CERN ; Manchester U.) ; Cortés, Guillem (Barcelona, Polytechnic U.) ; Cortés-Giraldo, Miguel (Seville U.) ; Damone, Lucia-Anna (INFN, Bari ; Bari U.) ; Davies, Paul-John (Manchester U.) ; Diakaki, Maria (CERN ; Natl. Tech. U., Athens) ; Dietz, Mirco (Edinburgh U.) ; Domingo-Pardo, Cesar (Valencia U., IFIC) ; Dressler, Rugard (PSI, Villigen) ; Ducasse, Quentin (Braunschweig, Phys. Tech. Bund.) ; Dupont, Emmeric (IRFU, Saclay) ; Durán, Ignacio (Santiago de Compostela U.) ; Eleme, Zinovia (Ioannina U.) ; Fernández-Domínguez, Beatriz (Santiago de Compostela U.) ; Ferrari, Alfredo (CERN) ; Furman, Valter (Dubna, JINR) ; Göbel, Kathrin (Goethe U., Frankfurt, Inst. Inform.) ; Garg, Ruchi (Edinburgh U.) ; Gawlik, Aleksandra (NCBJ, Lodz) ; Gilardoni, Simone (CERN) ; Gonçalves, Isabel (Lisbon, CFTP) ; González-Romero, Enrique (Madrid, CIEMAT) ; Guerrero, Carlos (Seville U.) ; Gunsing, Frank (IRFU, Saclay) ; Harada, Hideo (JAEA, Ibaraki) ; Heinitz, Stephan (PSI, Villigen) ; Heyse, Jan (Geel, JRC) ; Jenkins, David (York U., England) ; Junghans, Arnd (HZDR, Dresden) ; Käppeler, Franz (KIT, Karlsruhe) ; Kadi, Yacine (CERN) ; Kimura, Atsushi (JAEA, Ibaraki) ; Knapova, Ingrid (ENEA, Bologna) ; Kokkoris, Michael (Natl. Tech. U., Athens) ; Kopatch, Yuri (Dubna, JINR) ; Kurtulgil, Deniz (Goethe U., Frankfurt, Inst. Inform.) ; Ladarescu, Ion (Valencia U., IFIC) ; Lederer-Woods, Claudia (Edinburgh U.) ; Leeb, Helmut (Vienna, Tech. U.) ; Lerendegui-Marco, Jorge (Seville U.) ; Lonsdale, Sarah-Jane (Edinburgh U.) ; Macina, Daniela (CERN) ; Manna, Alice (INFN, Bologna ; U. Bologna, DIFA) ; Martínez, Trinitario (Madrid, CIEMAT) ; Masi, Alessandro (CERN) ; Mastinu, Pierfrancesco (INFN, Legnaro ; Padua U.) ; Maugeri, Emilio-Andrea (PSI, Villigen) ; Mendoza, Emilio (Madrid, CIEMAT) ; Michalopoulou, Veatriki (CERN ; Natl. Tech. U., Athens) ; Milazzo, Paolo (INFN, Trieste) ; Mingrone, Federica (CERN) ; Moreno-Soto, Javier (IRFU, Saclay) ; Musumarra, Agatino (INFN, LNS ; Catania U.) ; Negret, Alexandru (Bucharest, IFIN-HH) ; Ogállar, Francisco (Granada U., Theor. Phys. Astrophys.) ; Oprea, Andreea (Bucharest, IFIN-HH) ; Patronis, Nikolas (Ioannina U.) ; Pavlik, Andreas (Vienna U.) ; Perkowski, Jarosław (NCBJ, Lodz) ; Piersanti, Luciano (INFN, Perugia ; Collurania Teramo Observ.) ; Petrone, Cristina (Bucharest, IFIN-HH) ; Pirovano, Elisa (Braunschweig, Phys. Tech. Bund.) ; Porras, Ignacio (Granada U., Theor. Phys. Astrophys.) ; Praena, Javier (Granada U., Theor. Phys. Astrophys.) ; Quesada, José-Manuel (Seville U.) ; Ramos-Doval, Diego (Orsay, IPN) ; Rauscher, Thomas (Basel U. ; Hertfordshire U.) ; Reifarth, René (Goethe U., Frankfurt, Inst. Inform.) ; Rochman, Dimitri (PSI, Villigen) ; Rubbia, Carlo (CERN) ; Sabaté-Gilarte, Marta (CERN ; Seville U.) ; Saxena, Alok (Bhabha Atomic Res. Ctr.) ; Schillebeeckx, Peter (Geel, JRC) ; Schumann, Dorothea (PSI, Villigen) ; Sekhar, Adhitya (Manchester U.) ; Smith, Gavin (Manchester U.) ; Sosnin, Nikolay (Manchester U.) ; Sprung, Peter (PSI, Villigen) ; Stamatopoulos, Athanasios (Natl. Tech. U., Athens) ; Tagliente, Giuseppe (INFN, Bari) ; Tain, José (Valencia U., IFIC) ; Tarifeño-Saldivia, Ariel (Barcelona, Polytechnic U.) ; Tassan-Got, Laurent (Orsay, IPN ; CERN ; Natl. Tech. U., Athens) ; Thomas, Benedikt (Goethe U., Frankfurt, Inst. Inform.) ; Torres-Sánchez, Pablo (Granada U., Theor. Phys. Astrophys.) ; Tsinganis, Andrea (CERN) ; Ulrich, Jiri (PSI, Villigen) ; Urlass, Sebastian (CERN ; HZDR, Dresden) ; Vannini, Gianni (INFN, Bologna ; U. Bologna, DIFA) ; Variale, Vincenzo (INFN, Bari) ; Vaz, Pedro (Lisbon, CFTP) ; Ventura, Alberto (INFN, Bologna) ; Vescovi, Diego (INFN, Perugia ; Collurania Teramo Observ. ; GSSI, Aquila) ; Vlachoudis, Vasilis (CERN) ; Vlastou, Rosa (Natl. Tech. U., Athens) ; Wallner, Anton (Australian Natl. U., Canberra) ; Woods, PhilipJohn (Edinburgh U.) ; Wright, Tobias (Manchester U.) ; Žugec, Petar (Zagreb U.) |
| Publication | 2021 |
| Number of pages | 11 |
| In: | Universe 7 (2021) 200 |
| DOI | 10.3390/universe7060200 |
| Subject category | Nuclear Physics - Experiment |
| Accelerator/Facility, Experiment | CERN PS ; nTOF |
| Abstract | An accurate measurement of the $^{140}$Ce(n,$\gamma$) energy-dependent cross-section was performed at the n_TOF facility at CERN. This cross-section is of great importance because it represents a bottleneck for the s-process nucleosynthesis and determines to a large extent the cerium abundance in stars. The measurement was motivated by the significant difference between the cerium abundance measured in globular clusters and the value predicted by theoretical stellar models. This discrepancy can be ascribed to an overestimation of the $^{140}$Ce capture cross-section due to a lack of accurate nuclear data. For this measurement, we used a sample of cerium oxide enriched in $^{140}$Ce to 99.4%. The experimental apparatus consisted of four deuterated benzene liquid scintillator detectors, which allowed us to overcome the difficulties present in the previous measurements, thanks to their very low neutron sensitivity. The accurate analysis of the p-wave resonances and the calculation of their average parameters are fundamental to improve the evaluation of the $^{140}$Ce Maxwellian-averaged cross-section. |
| Copyright/License | publication: © 2021-2024 The authors (License: CC-BY-3.0) |
Corresponding record in: Inspire
Записът е създаден на 2021-07-22, последна промяна на 2021-07-22