M. M. Assuncao | Researchain

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Featured researches published by M. M. Assuncao.

Nuclear Physics | 2007

Indirect study of 19Ne states near the F18+p threshold

N. de Séréville; A. Coc; C. Angulo; M. M. Assuncao; D. Beaumel; E. Berthoumieux; B. Bouzid; S. Cherubini; M. Couder; P. Demaret; F. de Oliveira Santos; P. Figuera; S. Fortier; M. Gaelens; F. Hammache; J. Kiener; A. Lefebvre-Schuhl; D. Labar; P. Leleux; Marc Loiselet; A. Ninane; S. Ouichaoui; Guido Ryckewaert; N. Smirnova; Vincent Tatischeff

Abstract The early E ⩽ 511 keV gamma-ray emission from novae depends critically on the F 18 ( p , α ) O 15 reaction. Unfortunately the reaction rate of the F 18 ( p , α ) O 15 reaction is still largely uncertain due to the unknown strengths of low-lying proton resonances near the F 18 + p threshold which play an important role in the nova temperature regime. We report here our last results concerning the study of the d ( F 18 , p ) F 19 ( α ) N 15 transfer reaction. We show in particular that these two low-lying resonances cannot be neglected. These results are then used to perform a careful study of the remaining uncertainties associated to the F 18 ( p , α ) O 15 and F 18 ( p , γ ) Ne 19 reaction rates.

Physical Review C | 2008

Measurement of the 24 Mg ( 3 He , p ) 26 Al cross section: Implication for Al 26 production in the early solar system

C. Fitoussi; J. Duprat; Vincent Tatischeff; J. Kiener; F. Naulin; Grant M. Raisbeck; M. M. Assuncao; C. Bourgeois; M. Chabot; A. Coc; C. Engrand; M. Gounelle; F. Hammache; A. Lefebvre; M. G. Porquet; J. A. Scarpaci; N. de Séréville; J.-P. Thibaud; Françoise Yiou

Physical Review C | 2006

E1 and E2 S factors of C-12(alpha,gamma(0))O-16 from gamma-ray angular distributions with a 4 pi-detector array

M. M. Assuncao; M. Fey; A. Lefebvre-Schuhl; J. Kiener; Vincent Tatischeff; J.W. Hammer; C. Beck; C. Boukari-Pelissie; Alain Coc; Jean J. Correia; S. Courtin; F. R. R. Fleurot; E. Galanopoulos; Cornelia Grama; F. Haas; F. Hammache; F. Hannachi; S. Harissopulos; A. Korichi; R. Kunz; D. Ledu; A. Lopez-Martens; D. Malcherek; R. Meunier; T. Paradellis; M. Rousseau; N. Rowley; G. Staudt; S. Szilner; J.P. Thibaud

Physical Review C | 2008

Measurement of the ²Mg(³He,p)²Al cross section: Implication for ²Al production in the early solar system

Caroline Fitoussi; J. Duprat; Vincent Tatischeff; J. Kiener; F. Naulin; Grant M. Raisbeck; M. M. Assuncao; Alain Coc; C. Engrand; Matthieu Gounelle; A. Lefebvre; M.-G. Porquet; J.-P. Thibaud; Françoise Yiou; C. Bourgeois; M. Chabot; F. Hammache; J.A. Scarpaci; Nicolas de Sereville

Physical Review C | 2006

E1 and E2S factors of C12(a,?0)O16 from ?-ray angular distributions with a 4 p-detector array

M. M. Assuncao; M. Fey; A. Lefebvre-Schuhl; J. Kiener; Vincent Tatischeff; J. Wolfgang Hammer; C. Beck; C. Boukari-Pelissie; Alain Coc; Jean J. Correia; S. Courtin; F. R. R. Fleurot; E. Galanopoulos; Cornelia Grama; F. Haas; F. Hammache; F. Hannachi; S. Harissopulos; A. Korichi; R. Kunz; D. Ledu; A. Lopez-Martens; D. Malcherek; R. Meunier; Th. Paradellis; M. Rousseau; N. Rowley; G. Staudt; S. Szilner; J.-P. Thibaud

Physical Review C | 2006

E1 and E2 S factors of Â¹Â²C(Î±,Î³â)Â¹â¶O from Î³-ray angular distributions with a 4 Ï-detector array

M. M. Assuncao; A. Lefebvre-Schuhl; J. Kiener; Vincent Tatischeff; C. Boukari-Pelissie; Alain Coc; Jean J. Correia; Cornelia Grama; F. Hannachi; A. Korichi; D. Ledu; A. Lopez-Martens; R. Meunier; J.-P. Thibaud; M. Fey; J. Wolfgang Hammer; R. Kunz; D. Malcherek; C. Beck; S. Courtin

Physical Review C | 2006

E1 and E2 s factors of 12C(α, γ0)16O from γ-ray angular distributions with a 4 π-detector array

M. M. Assuncao; M. Fey; A. Lefebvre-Schuhl; J. Kiener; Vincent Tatischeff; J.W. Hammer; C. Beck; C. Boukari-Pelissie; Alain Coc; Jean J. Correia; S. Courtin; F. R. R. Fleurot; E. Galanopoulos; Cornelia Grama; F. Haas; F. Hammache; F. Hannachi; S. Harissopulos; A. Korichi; R. Kunz; D. Ledu; A. Lopez-Martens; D. Malcherek; R. Meunier; Th. Paradellis; M. Rousseau; N. Rowley; G. Staudt; S. Szilner; J.-P. Thibaud

Physical Review C | 2006

E1andE2Sfactors ofC12(α,γ0)O16fromγ-ray angular distributions with a 4π-detector array

M. M. Assuncao; M. Fey; A. Lefebvre-Schuhl; J. Kiener; Vincent Tatischeff; J.W. Hammer; C. Beck; C. Boukari-Pelissie; Alain Coc; Jean J. Correia; S. Courtin; F. R. R. Fleurot; E. Galanopoulos; Cornelia Grama; F. Haas; F. Hammache; F. Hannachi; S. Harissopulos; A. Korichi; R. Kunz; D. Ledu; A. Lopez-Martens; D. Malcherek; R. Meunier; Th. Paradellis; M. Rousseau; N. Rowley; G. Staudt; S. Szilner; J.-P. Thibaud

Nuclear Physics | 2005

New determination of the C(, )O reaction rate from -ray angular distribution measurements

J. Wolfgang Hammer; M. Fey; R. Kunz; J. Kiener; Vincent Tatischeff; F. Haas; J. L. Weil; M. M. Assuncao; C. Beck; C. Boukari-Pelissie

Nuclear Physics | 2005

New determination of the 12C(alpha, gamma)16O reaction rate from gamma-ray angular distribution measurements

J. Wolfgang Hammer; M. Fey; R. Kunz; J. Kiener; Vincent Tatischeff; F. Haas; J. L. Weil; M. M. Assuncao; C. Beck; C. Boukari-Pelissie; Alain Coc; Jean J. Correia; S. Courtin; F. R. R. Fleurot; E. Galanopoulos; Cornelia Grama; F. Hammache; S. Harissopulos; A. Korichi; E. Krmpotic; D. Le Du; A. Lopez-Martens; D. Malcherek; R. Meunier; P. Papka; Th. Paradellis; M. Rousseau; N. Rowley; G. Staudt; S. Szilner

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