Measurement of γ-ray angular distributions and linear polarizations for 48V

doi:10.1016/0375-9474(76)90100-7

Nuclear Physics A

Volume 256, Issue 1, 5 January 1976, Pages 152-162

https://doi.org/10.1016/0375-9474(76)90100-7 Get rights and content

Abstract

Levels of ⁴⁸V were populated by the ⁴⁸Ti(p, nγ) and the ³⁴S(¹⁶O, pnγ) reactions. Proton energies of 5.5, 6.0, 6.4 and 7.0 MeV and a ¹⁶O energy of 34 MeV were used. Gamma rays were measured in singles. The J^π assignments for eight of these levels follows from γ-ray angular distribution and linear polarization measurements when combined with presently available lifetime and nucleon transfer data.

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Experimental nuclear structure data from various reactions and decays are compiled and evaluated for all known nuclides with mass number A=48 (S, Cl, Ar, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni). For each nuclide, detailed evaluated nuclear structure information is presented for each individual reaction and decay, and the best values combining all available data are recommended for spectroscopic properties, such as level energies, half-lives, γ-ray energies and intensities, decay radiations. No excited states have been identified in ⁴⁸S, ⁴⁸Cl, ⁴⁸Co and ⁴⁸Ni, among which the first three even have no measured ground-state half-lives and decay modes. For ⁴⁸Fe, a level scheme with a sequence of excited states was established for the first time from a recent one-neutron removal measurement by 2021Ya33. Data for excited states in ⁴⁸Ar, ⁴⁸K and ⁴⁸Mn remain limited; no decay scheme has been measured for ⁴⁸Ar and ⁴⁸K yet, while the decay scheme for ⁴⁸Ni is incomplete due to unobserved levels. ⁴⁸Ti is the most studied nuclide through various reactions and decays, followed by ⁴⁸V, ⁴⁰Ca, ⁴⁸Sc, and ⁴⁸Cr, among which no decay event to ⁴⁸Sc has been observed and the decay schemes for ⁴⁸V and ⁴⁸Cr are considered as incomplete. This work supersedes the previous full evaluations of A=48: 2006Bu08, 1993Bu04, 1985Al14, 1978Be01.
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^☆: Work supported in part by US Energy Research and Development Administration.

^††: Visiting scientist from Tulane University.

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Measurement of γ-ray angular distributions and linear polarizations for 48V☆

Abstract

Nucl. Phys.

Nucl. Phys.

Nucl. Phys.

Atomic Data and Nucl. Data Tables

Nucl. Phys.

Phys. Rev.

Phys. Rev.

Nucl. Phys.

Nuovo Cim.

Measurement of γ-ray angular distributions and linear polarizations for ⁴⁸V☆