Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF)

U. Abbondanno; G. Aerts; F. Alvarez-Velarde; H. Alvarez-Pol; S. Andriamonje; J. Andrzejewski; G. Badurek; P. Baumann; F. Becvar; J. Benlliure; E. Berthoumieux; F. Calvino; D. Cano-Ott; R. Capote; P. Cennini; V. Chepel; E. Chiaveri; N. Colonna; G. Cortes; D. Cortina; A. Couture; J. Cox; S. Dababneh; M. Dahlfors; S. David; R. Dolfini; C. Domingo-Pardo; R.B. Duran; M. Embid-Segura; L. Ferrant; A. Ferrari; R. Ferreira-Marques; H. Frais-Koelbl; W. Furman; I. F. Goncalves; R. Gallino; E. Gonzalez-Romero; A. Goverdovski; F. Gramegna; E. Griesmayer; F. Gunsing; B. Haas; R. Haight; M. Heil; A. Herrera-Martinez; S. Isaev; E. Jericha; F. Kappeler; Y. Kadi; T. Rauscher; n TOF Collaboration

doi:10.1103/PhysRevLett.93.161103

Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF)

U. Abbondanno, G. Aerts, F. Alvarez-Velarde, H. Alvarez-Pol, S. Andriamonje, J. Andrzejewski, G. Badurek, P. Baumann, F. Becvar, J. Benlliure, E. Berthoumieux, F. Calvino, D. Cano-Ott, R. Capote, P. Cennini, V. Chepel, E. Chiaveri, N. Colonna, G. Cortes, D. CortinaA. Couture, J. Cox, S. Dababneh, M. Dahlfors, S. David, R. Dolfini, C. Domingo-Pardo, R.B. Duran, M. Embid-Segura, L. Ferrant, A. Ferrari, R. Ferreira-Marques, H. Frais-Koelbl, W. Furman, I. F. Goncalves, R. Gallino, E. Gonzalez-Romero, A. Goverdovski, F. Gramegna, E. Griesmayer, F. Gunsing, B. Haas, R. Haight, M. Heil, A. Herrera-Martinez, S. Isaev, E. Jericha, F. Kappeler, Y. Kadi, T. Rauscher, n TOF Collaboration

Centre for Astrophysics Research (CAR)

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

The Sm-151(n,gamma)Sm-152 cross section has been measured at the spallation neutron facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The new facility combines excellent resolution in neutron time-of-flight, low repetition rates, and an unsurpassed instantaneous luminosity, resulting in rather favorable signal/background ratios. The Sm-151 cross section is of importance for characterizing neutron capture nucleosynthesis in asymptotic giant branch stars. At a thermal energy of kT=30 keV the Maxwellian averaged cross section of this unstable isotope (t(1/2)=93 yr) was determined to be 3100+/-160 mb, significantly larger than theoretical predictions.

Original language	English
Article number	161103
Number of pages	5
Journal	Physical Review Letters
Volume	93
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.93.161103
Publication status	Published - 15 Oct 2004

Keywords

GIANT BRANCH STARS
S-PROCESS
NUCLEOSYNTHESIS
EVOLUTION

Access to Document

10.1103/PhysRevLett.93.161103

Cite this

Abbondanno, U., Aerts, G., Alvarez-Velarde, F., Alvarez-Pol, H., Andriamonje, S., Andrzejewski, J., Badurek, G., Baumann, P., Becvar, F., Benlliure, J., Berthoumieux, E., Calvino, F., Cano-Ott, D., Capote, R., Cennini, P., Chepel, V., Chiaveri, E., Colonna, N., Cortes, G., ... n TOF Collaboration (2004). Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF). Physical Review Letters, 93(16), Article 161103. https://doi.org/10.1103/PhysRevLett.93.161103

@article{04f1a346f4244426b2045be3cf6515a6,

title = "Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF)",

abstract = "The Sm-151(n,gamma)Sm-152 cross section has been measured at the spallation neutron facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The new facility combines excellent resolution in neutron time-of-flight, low repetition rates, and an unsurpassed instantaneous luminosity, resulting in rather favorable signal/background ratios. The Sm-151 cross section is of importance for characterizing neutron capture nucleosynthesis in asymptotic giant branch stars. At a thermal energy of kT=30 keV the Maxwellian averaged cross section of this unstable isotope (t(1/2)=93 yr) was determined to be 3100+/-160 mb, significantly larger than theoretical predictions.",

keywords = "GIANT BRANCH STARS, S-PROCESS, NUCLEOSYNTHESIS, EVOLUTION",

author = "U. Abbondanno and G. Aerts and F. Alvarez-Velarde and H. Alvarez-Pol and S. Andriamonje and J. Andrzejewski and G. Badurek and P. Baumann and F. Becvar and J. Benlliure and E. Berthoumieux and F. Calvino and D. Cano-Ott and R. Capote and P. Cennini and V. Chepel and E. Chiaveri and N. Colonna and G. Cortes and D. Cortina and A. Couture and J. Cox and S. Dababneh and M. Dahlfors and S. David and R. Dolfini and C. Domingo-Pardo and R.B. Duran and M. Embid-Segura and L. Ferrant and A. Ferrari and R. Ferreira-Marques and H. Frais-Koelbl and W. Furman and Goncalves, {I. F.} and R. Gallino and E. Gonzalez-Romero and A. Goverdovski and F. Gramegna and E. Griesmayer and F. Gunsing and B. Haas and R. Haight and M. Heil and A. Herrera-Martinez and S. Isaev and E. Jericha and F. Kappeler and Y. Kadi and T. Rauscher and {n TOF Collaboration}",

year = "2004",

month = oct,

day = "15",

doi = "10.1103/PhysRevLett.93.161103",

language = "English",

volume = "93",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society (APS)",

number = "16",

}

Abbondanno, U, Aerts, G, Alvarez-Velarde, F, Alvarez-Pol, H, Andriamonje, S, Andrzejewski, J, Badurek, G, Baumann, P, Becvar, F, Benlliure, J, Berthoumieux, E, Calvino, F, Cano-Ott, D, Capote, R, Cennini, P, Chepel, V, Chiaveri, E, Colonna, N, Cortes, G, Cortina, D, Couture, A, Cox, J, Dababneh, S, Dahlfors, M, David, S, Dolfini, R, Domingo-Pardo, C, Duran, RB, Embid-Segura, M, Ferrant, L, Ferrari, A, Ferreira-Marques, R, Frais-Koelbl, H, Furman, W, Goncalves, IF, Gallino, R, Gonzalez-Romero, E, Goverdovski, A, Gramegna, F, Griesmayer, E, Gunsing, F, Haas, B, Haight, R, Heil, M, Herrera-Martinez, A, Isaev, S, Jericha, E, Kappeler, F, Kadi, Y, Rauscher, T & n TOF Collaboration 2004, 'Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF)', Physical Review Letters, vol. 93, no. 16, 161103. https://doi.org/10.1103/PhysRevLett.93.161103

TY - JOUR

T1 - Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF)

AU - Abbondanno, U.

AU - Aerts, G.

AU - Alvarez-Velarde, F.

AU - Alvarez-Pol, H.

AU - Andriamonje, S.

AU - Andrzejewski, J.

AU - Badurek, G.

AU - Baumann, P.

AU - Becvar, F.

AU - Benlliure, J.

AU - Berthoumieux, E.

AU - Calvino, F.

AU - Cano-Ott, D.

AU - Capote, R.

AU - Cennini, P.

AU - Chepel, V.

AU - Chiaveri, E.

AU - Colonna, N.

AU - Cortes, G.

AU - Cortina, D.

AU - Couture, A.

AU - Cox, J.

AU - Dababneh, S.

AU - Dahlfors, M.

AU - David, S.

AU - Dolfini, R.

AU - Domingo-Pardo, C.

AU - Duran, R.B.

AU - Embid-Segura, M.

AU - Ferrant, L.

AU - Ferrari, A.

AU - Ferreira-Marques, R.

AU - Frais-Koelbl, H.

AU - Furman, W.

AU - Goncalves, I. F.

AU - Gallino, R.

AU - Gonzalez-Romero, E.

AU - Goverdovski, A.

AU - Gramegna, F.

AU - Griesmayer, E.

AU - Gunsing, F.

AU - Haas, B.

AU - Haight, R.

AU - Heil, M.

AU - Herrera-Martinez, A.

AU - Isaev, S.

AU - Jericha, E.

AU - Kappeler, F.

AU - Kadi, Y.

AU - Rauscher, T.

AU - n TOF Collaboration

PY - 2004/10/15

Y1 - 2004/10/15

N2 - The Sm-151(n,gamma)Sm-152 cross section has been measured at the spallation neutron facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The new facility combines excellent resolution in neutron time-of-flight, low repetition rates, and an unsurpassed instantaneous luminosity, resulting in rather favorable signal/background ratios. The Sm-151 cross section is of importance for characterizing neutron capture nucleosynthesis in asymptotic giant branch stars. At a thermal energy of kT=30 keV the Maxwellian averaged cross section of this unstable isotope (t(1/2)=93 yr) was determined to be 3100+/-160 mb, significantly larger than theoretical predictions.

AB - The Sm-151(n,gamma)Sm-152 cross section has been measured at the spallation neutron facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The new facility combines excellent resolution in neutron time-of-flight, low repetition rates, and an unsurpassed instantaneous luminosity, resulting in rather favorable signal/background ratios. The Sm-151 cross section is of importance for characterizing neutron capture nucleosynthesis in asymptotic giant branch stars. At a thermal energy of kT=30 keV the Maxwellian averaged cross section of this unstable isotope (t(1/2)=93 yr) was determined to be 3100+/-160 mb, significantly larger than theoretical predictions.

KW - GIANT BRANCH STARS

KW - S-PROCESS

KW - NUCLEOSYNTHESIS

KW - EVOLUTION

U2 - 10.1103/PhysRevLett.93.161103

DO - 10.1103/PhysRevLett.93.161103

M3 - Article

SN - 0031-9007

VL - 93

JO - Physical Review Letters

JF - Physical Review Letters

IS - 16

M1 - 161103

ER -

Neutron capture cross section measurement of Sm-151 at the CERN neutron time of flight facility (n_TOF)

Abstract

Keywords

Access to Document

Fingerprint

Cite this