Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes

J. Sinclair; M. Scheck; S.W. Finch; Krishichayan; U. Friman-Gayer; W. Tornow; G. Battaglia; T. Beck; R. Chapman; M.M.R. Chishti; Ch. Fransen; R. Gonzales; E. Hoemann; J. Isaak; R.V.F. Janssens; D.A. Jaroszynski; S. Johnson; M.D. Jones; J.M. Keatings; N. Kelly; J. Kleemann; D. Little; B. Loeher; K. Mashtakov; M. Muescher; D. O'Donnell; O. Papst; E.E. Peters; D. Savran; M. Schilling; R. Schwengner; P. Spagnoletti; M. Spieker; V. Werner; J. Wilhelmy; O. Wieland; S.W. Yates; A. Zilges

doi:10.1140/epja/s10050-020-00118-8

Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes

J. Sinclair
, M. Scheck
, S.W. Finch
, Krishichayan
, U. Friman-Gayer
, W. Tornow
, G. Battaglia
, T. Beck
, R. Chapman
, M.M.R. Chishti
, Ch. Fransen
, R. Gonzales
, E. Hoemann
, J. Isaak
, R.V.F. Janssens
, D.A. Jaroszynski
, S. Johnson
, M.D. Jones
, J.M. Keatings
, N. Kelly

J. Kleemann, D. Little, B. Loeher, K. Mashtakov, M. Muescher, D. O'Donnell, O. Papst, E.E. Peters, D. Savran, M. Schilling, R. Schwengner, P. Spagnoletti, M. Spieker, V. Werner, J. Wilhelmy, O. Wieland, S.W. Yates, A. Zilges

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Abstract

A natural silicon target was investigated in a ^natSi(γ, γ ^′) photon-scattering experiment with fully linearly-polarised, quasi-monochromatic γ rays in the entrance channel. The mean photon energies used were ⟨ E _γ⟩ = 9.33, 9.77, 10.17, 10.55, 10.93, and 11.37 MeV, and the relative energy spread (full width at half maximum) of the incident beam was ΔE _γ/ ⟨ E _γ⟩ ≈ 3.5–4 %. The observed angular distributions for the ground-state decay allow firm spin and parity assignments for several levels of the stable even-even silicon isotopes.

Original language	English
Article number	105
Number of pages	7
Journal	European Physical Journal A
Volume	56
Issue number	4
DOIs	https://doi.org/10.1140/epja/s10050-020-00118-8
Publication status	Published - 6 Apr 2020

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Sinclair, J., Scheck, M., Finch, S. W., Krishichayan, Friman-Gayer, U., Tornow, W., Battaglia, G., Beck, T., Chapman, R., Chishti, M. M. R., Fransen, C., Gonzales, R., Hoemann, E., Isaak, J., Janssens, R. V. F., Jaroszynski, D. A., Johnson, S., Jones, M. D., Keatings, J. M., ... Zilges, A. (2020). Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes. European Physical Journal A, 56(4), Article 105. https://doi.org/10.1140/epja/s10050-020-00118-8

@article{86f1a2a38fc4438da977127b84b05fb1,

title = "Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes",

abstract = "A natural silicon target was investigated in a natSi(γ, γ ′) photon-scattering experiment with fully linearly-polarised, quasi-monochromatic γ rays in the entrance channel. The mean photon energies used were ⟨ E γ⟩ = 9.33, 9.77, 10.17, 10.55, 10.93, and 11.37 MeV, and the relative energy spread (full width at half maximum) of the incident beam was ΔE γ/ ⟨ E γ⟩ ≈ 3.5–4 \%. The observed angular distributions for the ground-state decay allow firm spin and parity assignments for several levels of the stable even-even silicon isotopes. ",

author = "J. Sinclair and M. Scheck and S.W. Finch and Krishichayan and U. Friman-Gayer and W. Tornow and G. Battaglia and T. Beck and R. Chapman and M.M.R. Chishti and Ch. Fransen and R. Gonzales and E. Hoemann and J. Isaak and R.V.F. Janssens and D.A. Jaroszynski and S. Johnson and M.D. Jones and J.M. Keatings and N. Kelly and J. Kleemann and D. Little and B. Loeher and K. Mashtakov and M. Muescher and D. O'Donnell and O. Papst and E.E. Peters and D. Savran and M. Schilling and R. Schwengner and P. Spagnoletti and M. Spieker and V. Werner and J. Wilhelmy and O. Wieland and S.W. Yates and A. Zilges",

year = "2020",

month = apr,

day = "6",

doi = "10.1140/epja/s10050-020-00118-8",

language = "English",

volume = "56",

journal = "European Physical Journal A",

issn = "1434-6001",

publisher = "Springer",

number = "4",

}

Sinclair, J, Scheck, M, Finch, SW, Krishichayan, Friman-Gayer, U, Tornow, W, Battaglia, G, Beck, T, Chapman, R, Chishti, MMR, Fransen, C, Gonzales, R, Hoemann, E, Isaak, J, Janssens, RVF, Jaroszynski, DA, Johnson, S, Jones, MD, Keatings, JM, Kelly, N, Kleemann, J, Little, D, Loeher, B, Mashtakov, K, Muescher, M, O'Donnell, D, Papst, O, Peters, EE, Savran, D, Schilling, M, Schwengner, R, Spagnoletti, P, Spieker, M, Werner, V, Wilhelmy, J, Wieland, O, Yates, SW & Zilges, A 2020, 'Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes', European Physical Journal A, vol. 56, no. 4, 105. https://doi.org/10.1140/epja/s10050-020-00118-8

TY - JOUR

T1 - Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes

AU - Sinclair, J.

AU - Scheck, M.

AU - Finch, S.W.

AU - Krishichayan, null

AU - Friman-Gayer, U.

AU - Tornow, W.

AU - Battaglia, G.

AU - Beck, T.

AU - Chapman, R.

AU - Chishti, M.M.R.

AU - Fransen, Ch.

AU - Gonzales, R.

AU - Hoemann, E.

AU - Isaak, J.

AU - Janssens, R.V.F.

AU - Jaroszynski, D.A.

AU - Johnson, S.

AU - Jones, M.D.

AU - Keatings, J.M.

AU - Kelly, N.

AU - Kleemann, J.

AU - Little, D.

AU - Loeher, B.

AU - Mashtakov, K.

AU - Muescher, M.

AU - O'Donnell, D.

AU - Papst, O.

AU - Peters, E.E.

AU - Savran, D.

AU - Schilling, M.

AU - Schwengner, R.

AU - Spagnoletti, P.

AU - Spieker, M.

AU - Werner, V.

AU - Wilhelmy, J.

AU - Wieland, O.

AU - Yates, S.W.

AU - Zilges, A.

PY - 2020/4/6

Y1 - 2020/4/6

N2 - A natural silicon target was investigated in a natSi(γ, γ ′) photon-scattering experiment with fully linearly-polarised, quasi-monochromatic γ rays in the entrance channel. The mean photon energies used were ⟨ E γ⟩ = 9.33, 9.77, 10.17, 10.55, 10.93, and 11.37 MeV, and the relative energy spread (full width at half maximum) of the incident beam was ΔE γ/ ⟨ E γ⟩ ≈ 3.5–4 %. The observed angular distributions for the ground-state decay allow firm spin and parity assignments for several levels of the stable even-even silicon isotopes.

AB - A natural silicon target was investigated in a natSi(γ, γ ′) photon-scattering experiment with fully linearly-polarised, quasi-monochromatic γ rays in the entrance channel. The mean photon energies used were ⟨ E γ⟩ = 9.33, 9.77, 10.17, 10.55, 10.93, and 11.37 MeV, and the relative energy spread (full width at half maximum) of the incident beam was ΔE γ/ ⟨ E γ⟩ ≈ 3.5–4 %. The observed angular distributions for the ground-state decay allow firm spin and parity assignments for several levels of the stable even-even silicon isotopes.

U2 - 10.1140/epja/s10050-020-00118-8

DO - 10.1140/epja/s10050-020-00118-8

M3 - Article

SN - 1434-6001

VL - 56

JO - European Physical Journal A

JF - European Physical Journal A

IS - 4

M1 - 105

ER -

Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes

Abstract

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