Study of key resonances in the $^{30}$P(p,γ)$^{31}$S reaction in classical novae
- Meyer, A.
- De Séréville, N.
- Hammache, F.
- Adsley, P.
- Assié, M.
- Beaumel, D.
- Delafosse, C.
- Flavigny, F.
- Georgiadou, A.
- Gottardo, A.
- Grassi, L.
- Guillot, J.
- Barkach, T.Id
- MacCormick, M.
- Matea, I.
- Olivier, L.
- Perrot, L.
- Portail, C.
- Stefan, I.
- Parikh, A.
- Coc, A.
- Kiener, J.
- Tatischeff, V.
- Laird, A.M.
- Fox, S.P.
- Hubbard, N.
- Riley, J.
- De Oliveira, F.
- Bastin, B.
- Béroff, K.
- Sanchez Benitez, A.M.
- Alellara, A.
- Assunção, M.
- Guimaraes, V.
- Oulebsir, N.
- D'Agata, G.
DOIAbstract
International audienceAmong reactions with strong impact on classical novae model predictions, 30P(p,γ)31S is one of the few remained that are worthy to be measured accurately, because of their rate uncertainty, as like as 18F(p,α)15O and 25Al(pγ)26Si. To reduce the nuclear uncertainties associated to this reaction, we performed an experiment at ALTO facility of Orsay using the 31P(3He,t)31S reaction to populate 31S excited states of astrophysical interest and detect in coincidence the protons coming from the decay of the populated states in order to extract the proton branching ratios. After a presentation of the astrophysical context of this work, the current situation of the 30P(p,γ)31S reaction rate will be discussed. Then the experimen...
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