Lifetime measurements of lowest states in the πg7/2⊗νh11/2 rotational band in  112I

M.M. Giles; D.M. Cullen; B.S. Nara Singh; D. Hodge; M.J. Taylor; M.J. Mallaburn; N.V. Sosnin; L. Barber; J.F.  Smith; L. Capponi; M. Smolen; C. Scholey; P. Rahkila; T. Grahn; H. Badran; A. Girka; P.T. Greenlees; R. Julin; J. Konki; O. Nefodov; P. Ruotsalainen; M. Sandzelius; J. Saren; J. Sorri; S. Stolze; J. Uusitalo; J. Pakarinen; P. Papadakis; J. Partanen; T. Braunroth; G.G. O'Neill

doi:10.1103/PhysRevC.98.044315

Lifetime measurements of lowest states in the πg_7/2⊗νh_11/2 rotational band in ¹¹²I

M.M. Giles, D.M. Cullen, B.S. Nara Singh, D. Hodge, M.J. Taylor, M.J. Mallaburn, N.V. Sosnin, L. Barber, J.F. Smith, L. Capponi, M. Smolen, C. Scholey, P. Rahkila, T. Grahn, H. Badran, A. Girka, P.T. Greenlees, R. Julin, J. Konki, O. NefodovP. Ruotsalainen, M. Sandzelius, J. Saren, J. Sorri, S. Stolze, J. Uusitalo, J. Pakarinen, P. Papadakis, J. Partanen, T. Braunroth, G.G. O'Neill

School of Computing, Engineering and Physical Sciences

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

137 Downloads (Pure)

Abstract

A differential-plunger device was used to measure the lifetimes of the lowest states in the πg_7/2⊗νh_11/2 rotational band in doubly odd ¹¹²I with the ⁵⁸Ni(⁵⁸Ni,3pn) reaction. A differential decay curve method was performed using the fully shifted and degraded γ-ray intensity measurements as a function of target-to-degrader distance. The lifetimes of the lowest three states in the πg_7/2⊗νh_11/2 band in ¹¹²I were measured to be 124(30), 130(25), and ≤ 6.5(5)ps, respectively. As the lifetimes of successive excited states in a rotational band are expected to decrease with increasing excitation energy, these measurements suggest that the order of the transitions in the established band in ¹¹²I may need revising and that the state tentatively assigned to be (7⁻) may not belong to the rotational band.

Original language	English
Article number	044315
Pages (from-to)	1-8
Number of pages	8
Journal	Physical Review C
Volume	98
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.98.044315
Publication status	Published - 17 Oct 2018

Keywords

collective levels
collective models
lifetimes and widths

Access to Document

10.1103/PhysRevC.98.044315

2018 09 28 Giles et al 112IAccepted author manuscript, 689 KBLicence: CC BY-NC-ND

Cite this

Giles, M. M., Cullen, D. M., Singh, B. S. N., Hodge, D., Taylor, M. J., Mallaburn, M. J., Sosnin, N. V., Barber, L., Smith, J. F., Capponi, L., Smolen, M., Scholey, C., Rahkila, P., Grahn, T., Badran, H., Girka, A., Greenlees, P. T., Julin, R., Konki, J., ... O'Neill, G. G. (2018). Lifetime measurements of lowest states in the πg_7/2⊗νh_11/2 rotational band in ¹¹²I. Physical Review C, 98(4), 1-8. Article 044315. https://doi.org/10.1103/PhysRevC.98.044315

@article{f15e2112ad4444aabe6cd82a26a9d6b0,

title = "Lifetime measurements of lowest states in the πg7/2⊗νh11/2 rotational band in 112I",

abstract = "A differential-plunger device was used to measure the lifetimes of the lowest states in the πg7/2⊗νh11/2 rotational band in doubly odd 112I with the 58Ni(58Ni,3pn) reaction. A differential decay curve method was performed using the fully shifted and degraded γ-ray intensity measurements as a function of target-to-degrader distance. The lifetimes of the lowest three states in the πg7/2⊗νh11/2 band in 112I were measured to be 124(30), 130(25), and ≤ 6.5(5)ps, respectively. As the lifetimes of successive excited states in a rotational band are expected to decrease with increasing excitation energy, these measurements suggest that the order of the transitions in the established band in 112I may need revising and that the state tentatively assigned to be (7−) may not belong to the rotational band.",

keywords = "collective levels, collective models, lifetimes and widths",

author = "M.M. Giles and D.M. Cullen and Singh, {B.S. Nara} and D. Hodge and M.J. Taylor and M.J. Mallaburn and N.V. Sosnin and L. Barber and J.F. Smith and L. Capponi and M. Smolen and C. Scholey and P. Rahkila and T. Grahn and H. Badran and A. Girka and P.T. Greenlees and R. Julin and J. Konki and O. Nefodov and P. Ruotsalainen and M. Sandzelius and J. Saren and J. Sorri and S. Stolze and J. Uusitalo and J. Pakarinen and P. Papadakis and J. Partanen and T. Braunroth and G.G. O'Neill",

year = "2018",

month = oct,

day = "17",

doi = "10.1103/PhysRevC.98.044315",

language = "English",

volume = "98",

pages = "1--8",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "4",

}

Giles, MM, Cullen, DM, Singh, BSN, Hodge, D, Taylor, MJ, Mallaburn, MJ, Sosnin, NV, Barber, L, Smith, JF, Capponi, L, Smolen, M, Scholey, C, Rahkila, P, Grahn, T, Badran, H, Girka, A, Greenlees, PT, Julin, R, Konki, J, Nefodov, O, Ruotsalainen, P, Sandzelius, M, Saren, J, Sorri, J, Stolze, S, Uusitalo, J, Pakarinen, J, Papadakis, P, Partanen, J, Braunroth, T & O'Neill, GG 2018, 'Lifetime measurements of lowest states in the πg_7/2⊗νh_11/2 rotational band in ¹¹²I', Physical Review C, vol. 98, no. 4, 044315, pp. 1-8. https://doi.org/10.1103/PhysRevC.98.044315

TY - JOUR

T1 - Lifetime measurements of lowest states in the πg7/2⊗νh11/2 rotational band in 112I

AU - Giles, M.M.

AU - Cullen, D.M.

AU - Singh, B.S. Nara

AU - Hodge, D.

AU - Taylor, M.J.

AU - Mallaburn, M.J.

AU - Sosnin, N.V.

AU - Barber, L.

AU - Smith, J.F.

AU - Capponi, L.

AU - Smolen, M.

AU - Scholey, C.

AU - Rahkila, P.

AU - Grahn, T.

AU - Badran, H.

AU - Girka, A.

AU - Greenlees, P.T.

AU - Julin, R.

AU - Konki, J.

AU - Nefodov, O.

AU - Ruotsalainen, P.

AU - Sandzelius, M.

AU - Saren, J.

AU - Sorri, J.

AU - Stolze, S.

AU - Uusitalo, J.

AU - Pakarinen, J.

AU - Papadakis, P.

AU - Partanen, J.

AU - Braunroth, T.

AU - O'Neill, G.G.

PY - 2018/10/17

Y1 - 2018/10/17

N2 - A differential-plunger device was used to measure the lifetimes of the lowest states in the πg7/2⊗νh11/2 rotational band in doubly odd 112I with the 58Ni(58Ni,3pn) reaction. A differential decay curve method was performed using the fully shifted and degraded γ-ray intensity measurements as a function of target-to-degrader distance. The lifetimes of the lowest three states in the πg7/2⊗νh11/2 band in 112I were measured to be 124(30), 130(25), and ≤ 6.5(5)ps, respectively. As the lifetimes of successive excited states in a rotational band are expected to decrease with increasing excitation energy, these measurements suggest that the order of the transitions in the established band in 112I may need revising and that the state tentatively assigned to be (7−) may not belong to the rotational band.

AB - A differential-plunger device was used to measure the lifetimes of the lowest states in the πg7/2⊗νh11/2 rotational band in doubly odd 112I with the 58Ni(58Ni,3pn) reaction. A differential decay curve method was performed using the fully shifted and degraded γ-ray intensity measurements as a function of target-to-degrader distance. The lifetimes of the lowest three states in the πg7/2⊗νh11/2 band in 112I were measured to be 124(30), 130(25), and ≤ 6.5(5)ps, respectively. As the lifetimes of successive excited states in a rotational band are expected to decrease with increasing excitation energy, these measurements suggest that the order of the transitions in the established band in 112I may need revising and that the state tentatively assigned to be (7−) may not belong to the rotational band.

KW - collective levels

KW - collective models

KW - lifetimes and widths

U2 - 10.1103/PhysRevC.98.044315

DO - 10.1103/PhysRevC.98.044315

M3 - Article

SN - 2469-9985

VL - 98

SP - 1

EP - 8

JO - Physical Review C

JF - Physical Review C

IS - 4

M1 - 044315

ER -

Lifetime measurements of lowest states in the πg7/2⊗νh11/2 rotational band in 112I

Abstract

Keywords

Access to Document

Fingerprint

Cite this

Lifetime measurements of lowest states in the πg_7/2⊗νh_11/2 rotational band in ¹¹²I