<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Fe</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>49</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>: A New <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi>T</mi></mrow><mrow><mi>Z</mi></mrow></msub></mrow><mo>=</mo><mo>−</mo><mfrac><mrow><mn>3</mn></mrow><mrow><mn>2</mn></mrow></mfrac></math></span> Delayed-Proton Emitter

Joseph Cerny; C. U. Cardinal; H. C. Evans; K. P. Jackson; N. A. Jelley

doi:10.1103/PhysRevLett.24.1128

${}^{49}{Fe}$ : A New $T_{Z} = - \frac{3}{2}$ Delayed-Proton Emitter

Joseph Cerny, C. U. Cardinal, H. C. Evans, K. P. Jackson, and N. A. Jelley

Phys. Rev. Lett. 24, 1128 – Published 18 May 1970

Abstract

Iron-49 with a half-life of 75±10 msec was produced by the reaction ${}^{40}{Ca} ({}^{12}C, 3 n) {}^{49}{Fe}$ using 65-MeV carbon ions; beta-delayed protons with an energy of 1.96±0.05 MeV probably originating from the lowest $T = \frac{3}{2}$ state in ${}^{49}{Mn}$ were observed.

Received 7 April 1970

DOI:https://doi.org/10.1103/PhysRevLett.24.1128

Authors & Affiliations

Joseph Cerny^*, C. U. Cardinal^†, H. C. Evans^‡, K. P. Jackson, and N. A. Jelley

Nuclear Physics Laboratory, University of Oxford, Oxford, England

^*1969-1970 John Simon Guggenheim Fellow. Permanent address: Department of Chemistry, University of California, Berkeley, Calif..
^†National Research Council of Canada Overseas Postdoctoral Fellow.
^‡Permanent address: Department of Physics, Queens University, Kingston, Ontario, Canada.