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

J. Sinclair; M. Scheck; S. W. Finch; null 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. Löher; K. R. Mashtakov; M. Müscher; 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. KellyJ. Kleemann, D. Little, B. Löher, K. R. Mashtakov, M. Müscher, 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

^*Corresponding author for this work

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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

Keywords

photon-scattering
silicon
spin

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10.1140/epja/s10050-020-00118-8Licence: CC BY 4.0

Sinclair-etal-EPJA-2020-Firm-spin-and-parity-assignmentsFinal published version, 409 KBLicence: CC BY 4.0

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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

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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 ⟨ Eγ⟩ = 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 ΔEγ/ ⟨ Eγ⟩ ≈ 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.",

keywords = "photon-scattering, silicon, spin",

author = "J. Sinclair and M. Scheck and Finch, {S. W.} and Krishichayan and U. Friman-Gayer and W. Tornow and G. Battaglia and T. Beck and R. Chapman and Chishti, {M. M. R.} and Ch. Fransen and R. Gonzales and E. Hoemann and J. Isaak and Janssens, {R. V. F.} and Jaroszynski, {D. A.} and S. Johnson and Jones, {M. D.} and Keatings, {J. M.} and N. Kelly and J. Kleemann and D. Little and B. L{\"o}her and Mashtakov, {K. R.} and M. M{\"u}scher and D. O{\textquoteright}Donnell and O. Papst and Peters, {E. E.} 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 Yates, {S. W.} and A. Zilges",

year = "2020",

month = apr,

day = "6",

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

language = "English",

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journal = "European Physical Journal A",

issn = "1434-6001",

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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, Löher, B, Mashtakov, KR, Müscher, 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 - Löher, B.

AU - Mashtakov, K. R.

AU - Müscher, 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 ⟨ Eγ⟩ = 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 ΔEγ/ ⟨ Eγ⟩ ≈ 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 ⟨ Eγ⟩ = 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 ΔEγ/ ⟨ Eγ⟩ ≈ 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.

KW - photon-scattering

KW - silicon

KW - spin

UR - http://www.scopus.com/inward/record.url?scp=85083189745&partnerID=8YFLogxK

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

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

M3 - Article

AN - SCOPUS:85083189745

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

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