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Recoil-separated gamma-ray spectroscopy of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Ti</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>47</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">V</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>47</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Cr</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>47</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">V</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>48</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>, and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Cr</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>48</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>

J. A. CameronDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1M. A. BentleyDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1A. M. BruceDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1R.A. CunninghamDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1W. GelletlyDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1H.G. PriceDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1J. SimpsonDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1D. D. WarnerDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1A.N. JamesDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1

1994lv

ABI

Annotatsiya

High-spin states in the nuclei $^{47}\mathrm{Ti}$, $^{47}\mathrm{V}$, $^{47}\mathrm{Cr}$, $^{48}\mathrm{V}$, and $^{48}\mathrm{Cr}$ have been observed using the reaction $^{40}\mathrm{Ca}$${+}^{10}$B at E${(}^{40}$Ca)=150 MeV. The prompt \ensuremath{\gamma} rays were detected in an array of nineteen escape-suppressed Ge detectors in coincidence with the recoiling nuclei which were identified in A and Z with a recoil separator. Rotational structures were observed in all these nuclei, apart from $^{47}\mathrm{Ti}$, up to spins near the maximum for the (${\mathit{f}}_{7/2}$${)}^{\mathit{z}+\mathit{n}}$ configuration. A rapid increase in the Coulomb displacement energy for mirror states in $^{47}\mathrm{V}$ and $^{47}\mathrm{Cr}$ occurs at ${\mathit{J}}^{\mathrm{\ensuremath{\pi}}}$=25/${2}^{\mathrm{\ensuremath{-}}}$. A backbend occurs in $^{48}\mathrm{Cr}$ at ${\mathit{J}}^{\mathrm{\ensuremath{\pi}}}$=${10}^{+}$.

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Identifikatorlar

DOI: 10.1103/physrevc.49.1347

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