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Pregled bibliografske jedinice broj: 1056778

Measurement of the 154Gd(n,γ) cross section and its astrophysical implications

(n_TOF Collaboration) Mazzone, A.; ...; Bosnar, Damir; ...; Žugec, Petar
Measurement of the 154Gd(n,γ) cross section and its astrophysical implications // Physics letters. B, 804 (2020), 135405; 1-6 doi:10.1016/j.physletb.2020.135405 (međunarodna recenzija, članak, znanstveni)

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Naslov
Measurement of the 154Gd(n,γ) cross section and its astrophysical implications

Autori
Mazzone, A. ; ... ; Bosnar, Damir ; ... ; Žugec, Petar

Kolaboracija
N_TOF Collaboration

Izvornik
Physics letters. B (0370-2693) 804 (2020), 135405; 1-6

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
s process ; 154Gd ; Neutron time of flight ; n_TOF

Sažetak
The neutron capture cross section of 154Gd was measured from 1 eV to 300 keV in the experimental area located 185 m from the CERN n_TOF neutron spallation source, using a metallic sample of gadolinium, enriched to 67% in 154Gd. The capture measurement, performed with four C6D6 scintillation detectors, has been complemented by a transmission measurement performed at the GELINA time-of-flight facility (JRC-Geel), thus minimising the uncertainty related to sample composition. An accurate Maxwellian averaged capture cross section (MACS) was deduced over the temperature range of interest for s process nucleosynthesis modelling. We report a value of 880(50) mb for the MACS at kT = 30 keV, significantly lower compared to values available in literature. The new adopted 154Gd(n, γ) cross section reduces the discrepancy between observed and calculated solar s-only isotopic abundances predicted by s-process nucleosynthesis models.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Petar Žugec (autor)

Avatar Url Damir Bosnar (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com doi.org

Citiraj ovu publikaciju:

(n_TOF Collaboration) Mazzone, A.; ...; Bosnar, Damir; ...; Žugec, Petar
Measurement of the 154Gd(n,γ) cross section and its astrophysical implications // Physics letters. B, 804 (2020), 135405; 1-6 doi:10.1016/j.physletb.2020.135405 (međunarodna recenzija, članak, znanstveni)
(n_TOF Collaboration) (n_TOF Collaboration) Mazzone, A., ..., Bosnar, D., ... & Žugec, P. (2020) Measurement of the 154Gd(n,γ) cross section and its astrophysical implications. Physics letters. B, 804 (135405), 1-6 doi:10.1016/j.physletb.2020.135405.
@article{article, author = {Mazzone, A. and Bosnar, Damir and \v{Z}ugec, Petar}, year = {2020}, pages = {1-6}, DOI = {10.1016/j.physletb.2020.135405}, keywords = {s process, 154Gd, Neutron time of flight, n\_TOF}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2020.135405}, volume = {804}, number = {135405}, issn = {0370-2693}, title = {Measurement of the 154Gd(n,γ) cross section and its astrophysical implications}, keyword = {s process, 154Gd, Neutron time of flight, n\_TOF} }
@article{article, author = {Mazzone, A. and Bosnar, Damir and \v{Z}ugec, Petar}, year = {2020}, pages = {1-6}, DOI = {10.1016/j.physletb.2020.135405}, keywords = {s process, 154Gd, Neutron time of flight, n\_TOF}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2020.135405}, volume = {804}, number = {135405}, issn = {0370-2693}, title = {Measurement of the 154Gd(n,γ) cross section and its astrophysical implications}, keyword = {s process, 154Gd, Neutron time of flight, n\_TOF} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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