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- W2940675035 abstract "The ${E}_{ensuremath{alpha}}^{text{lab}}=0.83$ MeV resonance in the $^{22}mathrm{Ne}(ensuremath{alpha},ensuremath{gamma})^{26}mathrm{Mg}$ reaction strongly impacts the reaction rates in the stellar temperature region crucial for the astrophysical s process. We report on a new measurement of the energy and strength of this resonance using techniques different from previous investigations. We use a blister-resistant $^{22}mathrm{Ne}$-implanted target and employ $ensuremath{gamma}ensuremath{gamma}$-coincidence detection techniques. We find values for the resonance energy and strength of ${E}_{ensuremath{alpha}}^{text{lab}}=835.2ifmmodepmelsetextpmfi{}3.0$ keV and $ensuremath{omega}ensuremath{gamma}=(4.6ifmmodepmelsetextpmfi{}1.2)ifmmodetimeselsetexttimesfi{}{10}^{ensuremath{-}5}$ eV, respectively. Our mean values are higher compared to previous values, although the results overlap within uncertainties. The uncertainty in the resonance energy has been significantly reduced. The spin-parity assignment, based on the present and previous work, is ${J}^{ensuremath{pi}}=$ (${0}^{+}$, ${1}^{ensuremath{-}}$, ${2}^{+}$, ${3}^{ensuremath{-}}$)." @default.
- W2940675035 created "2019-05-03" @default.
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- W2940675035 date "2019-04-24" @default.
- W2940675035 modified "2023-10-17" @default.
- W2940675035 title "New measurement of the <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msubsup><mml:mi>E</mml:mi><mml:mrow><mml:mi>α</mml:mi></mml:mrow><mml:mi>lab</mml:mi></mml:msubsup><mml:mo>=</mml:mo><mml:mn>0.83</mml:mn></mml:mrow></mml:math> MeV resonance in <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:mmultiscripts><mml:mi>Ne</mml:mi><mml:mprescripts /><mml:none /><mml:mn>22</mml:mn></mml:mmultiscripts><mml:mo>(</mml:mo><mml:mi>α</mml:mi><mml:mo>,</mml:…" @default.
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- W2940675035 doi "https://doi.org/10.1103/physrevc.99.045804" @default.
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