TY  - JOUR
AU  - n_TOF Collaboration (Massimi, C. et al
AU  - Domingo-Pardo, C.
AU  - Tain, J. L.
PY  - 2012
DA  - 2012//
TI  - Resonance neutron-capture cross sections of stable magnesium isotopes and their astrophysical implications
T2  - Phys. Rev. C
JO  - Physical Review C
SP  - 044615
EP  - 15pp
VL  - 85
IS  - 4
PB  - Amer Physical Soc
AB  - We have measured the neutron capture cross sections of the stable magnesium isotopes Mg-24,Mg-25,Mg-26 in the energy range of interest to the s process using the neutron time-of-flight facility n_TOF at CERN. Capture events from a natural metal sample and from samples enriched in Mg-25 and Mg-26 were recorded using the total energy method based on (C6H6)-H-2 detectors. Neutron resonance parameters were extracted by a simultaneous resonance shape analysis of the present capture data and existing transmission data on a natural isotopic sample. Maxwellian-averaged capture cross sections for the three isotopes were calculated up to thermal energies of 100 keV and their impact on s-process analyses was investigated. At 30 keV the new values of the stellar cross section for Mg-24, Mg-25, and Mg-26 are 3.8 +/- 0.2 mb, 4.1 +/- 0.6 mb, and 0.14 +/- 0.01 mb, respectively.
SN  - 0556-2813
UR  - https://doi.org/10.1103/PhysRevC.85.044615
DO  - 10.1103/PhysRevC.85.044615
LA  - English
N1  - WOS:000303069400003
ID  - n_TOFCollaborationMassimi_etal2012
ER  -