Standard

Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections. / Litvinova, E.; Loens, H. P.; Langanke, K.; Martínez-Pinedo, G.; Rauscher, T.; Ring, P.; Thielemann, F. K.; Tselyaev, V.

в: Nuclear Physics A, Том 823, № 1-4, 15.05.2009, стр. 26-37.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

Litvinova, E, Loens, HP, Langanke, K, Martínez-Pinedo, G, Rauscher, T, Ring, P, Thielemann, FK & Tselyaev, V 2009, 'Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections', Nuclear Physics A, Том. 823, № 1-4, стр. 26-37. https://doi.org/10.1016/j.nuclphysa.2009.03.009

APA

Litvinova, E., Loens, H. P., Langanke, K., Martínez-Pinedo, G., Rauscher, T., Ring, P., Thielemann, F. K., & Tselyaev, V. (2009). Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections. Nuclear Physics A, 823(1-4), 26-37. https://doi.org/10.1016/j.nuclphysa.2009.03.009

Vancouver

Litvinova E, Loens HP, Langanke K, Martínez-Pinedo G, Rauscher T, Ring P и пр. Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections. Nuclear Physics A. 2009 Май 15;823(1-4):26-37. https://doi.org/10.1016/j.nuclphysa.2009.03.009

Author

Litvinova, E. ; Loens, H. P. ; Langanke, K. ; Martínez-Pinedo, G. ; Rauscher, T. ; Ring, P. ; Thielemann, F. K. ; Tselyaev, V. / Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections. в: Nuclear Physics A. 2009 ; Том 823, № 1-4. стр. 26-37.

BibTeX

@article{c4a45321083e4a148307b1192d5d6a00,
title = "Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections",
abstract = "We have computed dipole strength distributions for nickel and tin isotopes within the Relativistic Quasiparticle Time Blocking Approximation (RQTBA). These calculations provide a good description of data, including the neutron-rich tin isotopes 130,132Sn. The resulting dipole strengths have been implemented in Hauser-Feshbach calculations of astrophysical neutron capture rates relevant for r-process nucleosynthesis studies. The RQTBA calculations show the presence of enhanced dipole strength at energies around the neutron threshold for neutron rich nuclei. The computed neutron capture rates are sensitive to the fine structure of the low lying dipole strength, which emphasizes the importance of a reliable knowledge of this excitation mode.",
keywords = "Astrophysical reaction rates, Hauser-Feshbach theory, Neutron capture, r-process, Relativistic many-body theory",
author = "E. Litvinova and Loens, {H. P.} and K. Langanke and G. Mart{\'i}nez-Pinedo and T. Rauscher and P. Ring and Thielemann, {F. K.} and V. Tselyaev",
note = "Funding Information: This work is partly supported by the Deutsche Forschungsgemeinschaft through contract SFB 634 “Nuclear structure, nuclear astrophysics and fundamental experiments at small momentum transfers at the S-DALINAC”. T. Rauscher and F.-K. Thielemann are supported by the Swiss National Foundation (grant 200020-122287). P. Ring is partly supported by the DFG cluster of excellence “Origin and Structure of the Universe” (http://www.universe-cluster.de). E. Litvinova and V. Tselyaev gratefully acknowledge support from the Russian Federal Education Agency Program, project 2.1.1/4779. Copyright: Copyright 2009 Elsevier B.V., All rights reserved.",
year = "2009",
month = may,
day = "15",
doi = "10.1016/j.nuclphysa.2009.03.009",
language = "English",
volume = "823",
pages = "26--37",
journal = "Nuclear Physics A",
issn = "0375-9474",
publisher = "Elsevier",
number = "1-4",

}

RIS

TY - JOUR

T1 - Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections

AU - Litvinova, E.

AU - Loens, H. P.

AU - Langanke, K.

AU - Martínez-Pinedo, G.

AU - Rauscher, T.

AU - Ring, P.

AU - Thielemann, F. K.

AU - Tselyaev, V.

N1 - Funding Information: This work is partly supported by the Deutsche Forschungsgemeinschaft through contract SFB 634 “Nuclear structure, nuclear astrophysics and fundamental experiments at small momentum transfers at the S-DALINAC”. T. Rauscher and F.-K. Thielemann are supported by the Swiss National Foundation (grant 200020-122287). P. Ring is partly supported by the DFG cluster of excellence “Origin and Structure of the Universe” (http://www.universe-cluster.de). E. Litvinova and V. Tselyaev gratefully acknowledge support from the Russian Federal Education Agency Program, project 2.1.1/4779. Copyright: Copyright 2009 Elsevier B.V., All rights reserved.

PY - 2009/5/15

Y1 - 2009/5/15

N2 - We have computed dipole strength distributions for nickel and tin isotopes within the Relativistic Quasiparticle Time Blocking Approximation (RQTBA). These calculations provide a good description of data, including the neutron-rich tin isotopes 130,132Sn. The resulting dipole strengths have been implemented in Hauser-Feshbach calculations of astrophysical neutron capture rates relevant for r-process nucleosynthesis studies. The RQTBA calculations show the presence of enhanced dipole strength at energies around the neutron threshold for neutron rich nuclei. The computed neutron capture rates are sensitive to the fine structure of the low lying dipole strength, which emphasizes the importance of a reliable knowledge of this excitation mode.

AB - We have computed dipole strength distributions for nickel and tin isotopes within the Relativistic Quasiparticle Time Blocking Approximation (RQTBA). These calculations provide a good description of data, including the neutron-rich tin isotopes 130,132Sn. The resulting dipole strengths have been implemented in Hauser-Feshbach calculations of astrophysical neutron capture rates relevant for r-process nucleosynthesis studies. The RQTBA calculations show the presence of enhanced dipole strength at energies around the neutron threshold for neutron rich nuclei. The computed neutron capture rates are sensitive to the fine structure of the low lying dipole strength, which emphasizes the importance of a reliable knowledge of this excitation mode.

KW - Astrophysical reaction rates

KW - Hauser-Feshbach theory

KW - Neutron capture

KW - r-process

KW - Relativistic many-body theory

UR - http://www.scopus.com/inward/record.url?scp=64449085150&partnerID=8YFLogxK

U2 - 10.1016/j.nuclphysa.2009.03.009

DO - 10.1016/j.nuclphysa.2009.03.009

M3 - Article

VL - 823

SP - 26

EP - 37

JO - Nuclear Physics A

JF - Nuclear Physics A

SN - 0375-9474

IS - 1-4

ER -

ID: 74234218