High-spin states in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Rn</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>210</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>: The effect of the neutron holes on the four-proton configurations

A. R. Poletti; T. P. Sjoreen; D. B. Fossan; U. Garg; A. Neskakis; E. K. Warburton

doi:10.1103/PhysRevC.20.1768

High-spin states in ${}^{210}{Rn}$ : The effect of the neutron holes on the four-proton configurations

A. R. Poletti, T. P. Sjoreen, D. B. Fossan, U. Garg, A. Neskakis, and E. K. Warburton

Phys. Rev. C 20, 1768 – Published 1 November 1979

Abstract

High-spin states in ${}^{210}{Rn}$ were observed with the aid of the ${}^{204}{Pb}$ ( ${}^{9}{Be}$ , $3 n$ ) ${}^{210}{Rn}$ reaction. $γ - γ$ coincidence, excitation function, $γ$ -ray angular distribution, and pulsed beam lifetime measurements were used to construct a decay scheme. Mean lives of four levels were deduced and multipolarities of $γ$ -ray transitions and level spins were inferred.

NUCLEAR REACTIONS ${}^{204}{Pb}$ ( ${}^{9}{Be}$ , $3 n γ$ ) ${}^{210}{Rn}$ , $E = 40 - 55$ MeV; measured $γ - γ$ coincidences, excitation function, $γ$ -ray angular distributions, pulsed beam lifetimes, deduced level energies $T_{\frac{1}{2}}$ , inferred multipolarities of $γ$ -ray transitions, level spins.

Received 23 April 1979

DOI:https://doi.org/10.1103/PhysRevC.20.1768

Authors & Affiliations

A. R. Poletti^*

Brookhaven National Laboratory and State University of New York at Stony Brook, Stony Brook, New York 11794

T. P. Sjoreen^†, D. B. Fossan, U. Garg^‡, and A. Neskakis^§

Physics Department, State University of New York at Stony Brook, Stony Brook, New York 11794

E. K. Warburton

Physics Department, Brookhaven National Laboratory, Upton, New York 11973

^*Permanent address: Department of Physics, University of Auckland, Auckland, New Zealand.
^†Present address: Indiana University, Cyclotron Facility, Bloomington, Indiana 47401.
^‡Present address: Cyclotron Institute, Texas A & M University, College Station, Texas 77843.
^§Present address: Institut für Kernphysik, Kernforschungsenlage Jülich, D-5179 Jülich, West Germany.

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Vol. 20, Iss. 5 — November 1979

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