Lifetime measurements of low-spin negative-parity levels in Gd 160

S. R. Lesher; C. Casarella; A. Aprahamian; L. M. Robledo; B. P. Crider; R. Ikeyama; I. R. Marsh; M. T. McEllistrem; E. E. Peters; F. M. Prados-Estévez; M. K. Smith; Z. R. Tully; J. R. Vanhoy; S Yates

doi:10.1103/PhysRevC.95.064309

Lifetime measurements of low-spin negative-parity levels in Gd 160

S. R. Lesher
, C. Casarella
, A. Aprahamian
, L. M. Robledo
, B. P. Crider
, R. Ikeyama
, I. R. Marsh
, M. T. McEllistrem
, E. E. Peters
, F. M. Prados-Estévez
, M. K. Smith
, Z. R. Tully
, J. R. Vanhoy
, S Yates

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

5 Scopus citations

Abstract

Gd160(n,n′γ) experiments were performed with accelerator-produced monoenergetic neutrons. Excitation functions at neutron energies from 1.5 to 2.8 MeV aided in the placement of γ rays in the level scheme and angular distributions at three neutron energies resulted in the determination of 28 excited-level lifetimes or limits in Gd160, including the lifetimes of several negative-parity levels attributed to octupole vibrations.

Original language	English
Article number	064309
Journal	Physical Review C
Volume	95
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.95.064309
State	Published - Jun 12 2017

Bibliographical note

Publisher Copyright:
© 2017 American Physical Society.

Funding

This material is based upon work supported by the National Science Foundation under Grants No. PHY-1606890, No. PHY-1419765, No. PHY-1205412, No. PHY-1507053, No. PHY-1068192, and No. PHY-1305801. L.M. Robledo has been supported in part by Spanish Grants No. FPA2015-65929-P/MINECO and No. FIS2015-63770-P/MINECO. The enriched isotope used in this research was supplied by the United States Department of Energy Office of Science by the Isotope Program in the Office of Nuclear Physics.

Funders	Funder number
United States Department of Energy Office of Science
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China	FPA2015-65929-P, PHY-1068192, PHY-1305801, PHY-1205412, PHY-1419765, PHY-1507053, PHY-1606890, 1430152
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China
Horia Hulubei National Institute for Physics and Nuclear Engineering
Ministerio de Economía y Competitividad	FIS2015-63770-P
Ministerio de Economía y Competitividad

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.95.064309

Cite this

Lesher, S. R., Casarella, C., Aprahamian, A., Robledo, L. M., Crider, B. P., Ikeyama, R., Marsh, I. R., McEllistrem, M. T., Peters, E. E., Prados-Estévez, F. M., Smith, M. K., Tully, Z. R., Vanhoy, J. R., & Yates, S. (2017). Lifetime measurements of low-spin negative-parity levels in Gd 160. Physical Review C, 95(6), Article 064309. https://doi.org/10.1103/PhysRevC.95.064309

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abstract = "Gd160(n,n′γ) experiments were performed with accelerator-produced monoenergetic neutrons. Excitation functions at neutron energies from 1.5 to 2.8 MeV aided in the placement of γ rays in the level scheme and angular distributions at three neutron energies resulted in the determination of 28 excited-level lifetimes or limits in Gd160, including the lifetimes of several negative-parity levels attributed to octupole vibrations.",

author = "Lesher, \{S. R.\} and C. Casarella and A. Aprahamian and Robledo, \{L. M.\} and Crider, \{B. P.\} and R. Ikeyama and Marsh, \{I. R.\} and McEllistrem, \{M. T.\} and Peters, \{E. E.\} and Prados-Est{\'e}vez, \{F. M.\} and Smith, \{M. K.\} and Tully, \{Z. R.\} and Vanhoy, \{J. R.\} and S Yates",

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doi = "10.1103/PhysRevC.95.064309",

language = "English",

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AU - Casarella, C.

AU - Aprahamian, A.

AU - Robledo, L. M.

AU - Crider, B. P.

AU - Ikeyama, R.

AU - Marsh, I. R.

AU - McEllistrem, M. T.

AU - Peters, E. E.

AU - Prados-Estévez, F. M.

AU - Smith, M. K.

AU - Tully, Z. R.

AU - Vanhoy, J. R.

AU - Yates, S

PY - 2017/6/12

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N2 - Gd160(n,n′γ) experiments were performed with accelerator-produced monoenergetic neutrons. Excitation functions at neutron energies from 1.5 to 2.8 MeV aided in the placement of γ rays in the level scheme and angular distributions at three neutron energies resulted in the determination of 28 excited-level lifetimes or limits in Gd160, including the lifetimes of several negative-parity levels attributed to octupole vibrations.

AB - Gd160(n,n′γ) experiments were performed with accelerator-produced monoenergetic neutrons. Excitation functions at neutron energies from 1.5 to 2.8 MeV aided in the placement of γ rays in the level scheme and angular distributions at three neutron energies resulted in the determination of 28 excited-level lifetimes or limits in Gd160, including the lifetimes of several negative-parity levels attributed to octupole vibrations.

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Lifetime measurements of low-spin negative-parity levels in Gd 160

Abstract

Bibliographical note

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