Spectroscopy of 54Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes

L.A. Riley; M.L. Agiorgousis; T.R. Baugher; D. Bazin; R.L. Blanchard; M. Bowry; P.D. Cottle; F.G. DeVone; A. Gade; M.T. Glowacki; K.W. Kemper; J.S. Kustina; E. Lunderberg; D.M. McPherson; S. Noji; J. Piekarewicz; F. Recchia; B.V. Sadler; M. Scott; D. Weisshaar; R.G.T. Zegers

doi:10.1103/PhysRevC.96.064315

Spectroscopy of ⁵⁴Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes

L.A. Riley, M.L. Agiorgousis, T.R. Baugher, D. Bazin, R.L. Blanchard, M. Bowry, P.D. Cottle, F.G. DeVone, A. Gade, M.T. Glowacki, K.W. Kemper, J.S. Kustina, E. Lunderberg, D.M. McPherson, S. Noji, J. Piekarewicz, F. Recchia, B.V. Sadler, M. Scott, D. WeisshaarR.G.T. Zegers

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Abstract

Excited states of the N=32 nucleus ⁵⁴Ti have been studied, via both inverse-kinematics proton scattering and one-neutron knockout from ⁵⁵Ti by a liquid hydrogen target, using the GRETINA γ-ray tracking array. Inelastic proton-scattering cross sections and deformation lengths have been determined. A low-lying octupole state has been tentatively identified in ⁵⁴Ti for the first time. A comparison of (p,p′) results on low-energy octupole states in the neutron-rich Ca and Ti isotopes with the results of random phase approximation calculations demonstrates that the observed systematic behavior of these states is unexpected.

Original language	English
Article number	064315
Journal	Physical Review C
Volume	96
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.96.064315
Publication status	Published - 19 Dec 2017
Externally published	Yes

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2017 12 11 Riley et al Spectroscopy finalFinal published version, 1.33 MB

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Riley, L. A., Agiorgousis, M. L., Baugher, T. R., Bazin, D., Blanchard, R. L., Bowry, M., Cottle, P. D., DeVone, F. G., Gade, A., Glowacki, M. T., Kemper, K. W., Kustina, J. S., Lunderberg, E., McPherson, D. M., Noji, S., Piekarewicz, J., Recchia, F., Sadler, B. V., Scott, M., ... Zegers, R. G. T. (2017). Spectroscopy of ⁵⁴Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes. Physical Review C, 96(6), Article 064315. https://doi.org/10.1103/PhysRevC.96.064315

@article{45c3e19e8ebe46e4b64e6cc6735b4d60,

title = "Spectroscopy of 54Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes",

abstract = "Excited states of the N=32 nucleus 54Ti have been studied, via both inverse-kinematics proton scattering and one-neutron knockout from 55Ti by a liquid hydrogen target, using the GRETINA γ-ray tracking array. Inelastic proton-scattering cross sections and deformation lengths have been determined. A low-lying octupole state has been tentatively identified in 54Ti for the first time. A comparison of (p,p′) results on low-energy octupole states in the neutron-rich Ca and Ti isotopes with the results of random phase approximation calculations demonstrates that the observed systematic behavior of these states is unexpected.",

author = "L.A. Riley and M.L. Agiorgousis and T.R. Baugher and D. Bazin and R.L. Blanchard and M. Bowry and P.D. Cottle and F.G. DeVone and A. Gade and M.T. Glowacki and K.W. Kemper and J.S. Kustina and E. Lunderberg and D.M. McPherson and S. Noji and J. Piekarewicz and F. Recchia and B.V. Sadler and M. Scott and D. Weisshaar and R.G.T. Zegers",

year = "2017",

month = dec,

day = "19",

doi = "10.1103/PhysRevC.96.064315",

language = "English",

volume = "96",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "6",

}

Riley, LA, Agiorgousis, ML, Baugher, TR, Bazin, D, Blanchard, RL, Bowry, M, Cottle, PD, DeVone, FG, Gade, A, Glowacki, MT, Kemper, KW, Kustina, JS, Lunderberg, E, McPherson, DM, Noji, S, Piekarewicz, J, Recchia, F, Sadler, BV, Scott, M, Weisshaar, D & Zegers, RGT 2017, 'Spectroscopy of ⁵⁴Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes', Physical Review C, vol. 96, no. 6, 064315. https://doi.org/10.1103/PhysRevC.96.064315

TY - JOUR

T1 - Spectroscopy of 54Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes

AU - Riley, L.A.

AU - Agiorgousis, M.L.

AU - Baugher, T.R.

AU - Bazin, D.

AU - Blanchard, R.L.

AU - Bowry, M.

AU - Cottle, P.D.

AU - DeVone, F.G.

AU - Gade, A.

AU - Glowacki, M.T.

AU - Kemper, K.W.

AU - Kustina, J.S.

AU - Lunderberg, E.

AU - McPherson, D.M.

AU - Noji, S.

AU - Piekarewicz, J.

AU - Recchia, F.

AU - Sadler, B.V.

AU - Scott, M.

AU - Weisshaar, D.

AU - Zegers, R.G.T.

PY - 2017/12/19

Y1 - 2017/12/19

N2 - Excited states of the N=32 nucleus 54Ti have been studied, via both inverse-kinematics proton scattering and one-neutron knockout from 55Ti by a liquid hydrogen target, using the GRETINA γ-ray tracking array. Inelastic proton-scattering cross sections and deformation lengths have been determined. A low-lying octupole state has been tentatively identified in 54Ti for the first time. A comparison of (p,p′) results on low-energy octupole states in the neutron-rich Ca and Ti isotopes with the results of random phase approximation calculations demonstrates that the observed systematic behavior of these states is unexpected.

AB - Excited states of the N=32 nucleus 54Ti have been studied, via both inverse-kinematics proton scattering and one-neutron knockout from 55Ti by a liquid hydrogen target, using the GRETINA γ-ray tracking array. Inelastic proton-scattering cross sections and deformation lengths have been determined. A low-lying octupole state has been tentatively identified in 54Ti for the first time. A comparison of (p,p′) results on low-energy octupole states in the neutron-rich Ca and Ti isotopes with the results of random phase approximation calculations demonstrates that the observed systematic behavior of these states is unexpected.

U2 - 10.1103/PhysRevC.96.064315

DO - 10.1103/PhysRevC.96.064315

M3 - Article

SN - 2469-9985

VL - 96

JO - Physical Review C

JF - Physical Review C

IS - 6

M1 - 064315

ER -

Spectroscopy of 54Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes

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Spectroscopy of ⁵⁴Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes