Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions

F. Lu; Jenny Lee; M. B. Tsang; D. Bazin; D. Coupland; V. Henzl; D. Henzlova; M. Kilburn; W. G. Lynch; A. M. Rogers; A. Sanetullaev; Z. Y. Sun; M. Youngs; R. J. Charity; L. G. Sobotka; M. Famiano; S. Hudan; M. Horoi; Y. L. Ye

doi:10.1103/PhysRevC.88.017604

Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions

F. Lu, Jenny Lee, M. B. Tsang, D. Bazin, D. Coupland, V. Henzl, D. Henzlova, M. Kilburn, W. G. Lynch, A. M. Rogers, A. Sanetullaev, Z. Y. Sun, M. Youngs, R. J. Charity, L. G. Sobotka, M. Famiano, S. Hudan, M. Horoi, Y. L. Ye

Department of Chemistry

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Abstract

To improve the effective interactions in the pf shell, it is important to measure the single-particle and single-hole states near the N = 28 shell gap. In this paper, the neutron spectroscopic factors of hole states from the unstable neutron-rich 45Ar (Z = 18,N = 27) nucleus have been studied using the 1H(46Ar,d) 45Ar transfer reaction in inverse kinematics. Comparison of our results with the particle states of 45Ar produced in 2H(44Ar, p) 45Ar reaction shows that the two reactions populate states with different angular momenta. Using the angular distributions, we are able to confirm the spin assignments of four low-lying states of 45Ar. These are the ground state (f_7/2), the first-excited state (p_3/2), and the s_1/2 and d_3/2 states. While large basis shell-model predictions describe spectroscopic properties of the ground and p_3/2 states very well, they fail to describe the s_1/2 and d_3/2 hole states.

Original language	English
Article number	017604
Journal	Physical Review C - Nuclear Physics
Volume	88
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.88.017604
State	Published - Jul 29 2013

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Lu, F., Lee, J., Tsang, M. B., Bazin, D., Coupland, D., Henzl, V., Henzlova, D., Kilburn, M., Lynch, W. G., Rogers, A. M., Sanetullaev, A., Sun, Z. Y., Youngs, M., Charity, R. J., Sobotka, L. G., Famiano, M., Hudan, S., Horoi, M., & Ye, Y. L. (2013). Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions. Physical Review C - Nuclear Physics, 88(1), Article 017604. https://doi.org/10.1103/PhysRevC.88.017604

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title = "Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions",

abstract = "To improve the effective interactions in the pf shell, it is important to measure the single-particle and single-hole states near the N = 28 shell gap. In this paper, the neutron spectroscopic factors of hole states from the unstable neutron-rich 45Ar (Z = 18,N = 27) nucleus have been studied using the 1H(46Ar,d) 45Ar transfer reaction in inverse kinematics. Comparison of our results with the particle states of 45Ar produced in 2H(44Ar, p) 45Ar reaction shows that the two reactions populate states with different angular momenta. Using the angular distributions, we are able to confirm the spin assignments of four low-lying states of 45Ar. These are the ground state (f7/2), the first-excited state (p3/2), and the s1/2 and d3/2 states. While large basis shell-model predictions describe spectroscopic properties of the ground and p3/2 states very well, they fail to describe the s1/2 and d3/2 hole states.",

author = "F. Lu and Jenny Lee and Tsang, {M. B.} and D. Bazin and D. Coupland and V. Henzl and D. Henzlova and M. Kilburn and Lynch, {W. G.} and Rogers, {A. M.} and A. Sanetullaev and Sun, {Z. Y.} and M. Youngs and Charity, {R. J.} and Sobotka, {L. G.} and M. Famiano and S. Hudan and M. Horoi and Ye, {Y. L.}",

year = "2013",

month = jul,

day = "29",

doi = "10.1103/PhysRevC.88.017604",

language = "English",

volume = "88",

journal = "Physical Review C - Nuclear Physics",

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Lu, F, Lee, J, Tsang, MB, Bazin, D, Coupland, D, Henzl, V, Henzlova, D, Kilburn, M, Lynch, WG, Rogers, AM, Sanetullaev, A, Sun, ZY, Youngs, M, Charity, RJ, Sobotka, LG, Famiano, M, Hudan, S, Horoi, M & Ye, YL 2013, 'Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions', Physical Review C - Nuclear Physics, vol. 88, no. 1, 017604. https://doi.org/10.1103/PhysRevC.88.017604

TY - JOUR

T1 - Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions

AU - Lu, F.

AU - Lee, Jenny

AU - Tsang, M. B.

AU - Bazin, D.

AU - Coupland, D.

AU - Henzl, V.

AU - Henzlova, D.

AU - Kilburn, M.

AU - Lynch, W. G.

AU - Rogers, A. M.

AU - Sanetullaev, A.

AU - Sun, Z. Y.

AU - Youngs, M.

AU - Charity, R. J.

AU - Sobotka, L. G.

AU - Famiano, M.

AU - Hudan, S.

AU - Horoi, M.

AU - Ye, Y. L.

PY - 2013/7/29

Y1 - 2013/7/29

N2 - To improve the effective interactions in the pf shell, it is important to measure the single-particle and single-hole states near the N = 28 shell gap. In this paper, the neutron spectroscopic factors of hole states from the unstable neutron-rich 45Ar (Z = 18,N = 27) nucleus have been studied using the 1H(46Ar,d) 45Ar transfer reaction in inverse kinematics. Comparison of our results with the particle states of 45Ar produced in 2H(44Ar, p) 45Ar reaction shows that the two reactions populate states with different angular momenta. Using the angular distributions, we are able to confirm the spin assignments of four low-lying states of 45Ar. These are the ground state (f7/2), the first-excited state (p3/2), and the s1/2 and d3/2 states. While large basis shell-model predictions describe spectroscopic properties of the ground and p3/2 states very well, they fail to describe the s1/2 and d3/2 hole states.

AB - To improve the effective interactions in the pf shell, it is important to measure the single-particle and single-hole states near the N = 28 shell gap. In this paper, the neutron spectroscopic factors of hole states from the unstable neutron-rich 45Ar (Z = 18,N = 27) nucleus have been studied using the 1H(46Ar,d) 45Ar transfer reaction in inverse kinematics. Comparison of our results with the particle states of 45Ar produced in 2H(44Ar, p) 45Ar reaction shows that the two reactions populate states with different angular momenta. Using the angular distributions, we are able to confirm the spin assignments of four low-lying states of 45Ar. These are the ground state (f7/2), the first-excited state (p3/2), and the s1/2 and d3/2 states. While large basis shell-model predictions describe spectroscopic properties of the ground and p3/2 states very well, they fail to describe the s1/2 and d3/2 hole states.

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U2 - 10.1103/PhysRevC.88.017604

DO - 10.1103/PhysRevC.88.017604

M3 - Article

AN - SCOPUS:84881186640

SN - 0556-2813

VL - 88

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 1

M1 - 017604

ER -

Neutron-hole states in 45Ar from 1H(46Ar, d) 45Ar reactions

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