7Be(p,gamma)8B astrophysical S factor from precision cross section measurements.

Junghans, A R; Mohrmann, E C; Snover, K A; Steiger, T D; Adelberger, E G; Casandjian, J M; Swanson, H E; Buchmann, L; Park, S H; Zyuzin, A

Junghans, A R; Mohrmann, E C; Snover, K A; Steiger, T D; Adelberger, E G; Casandjian, J M; Swanson, H E; Buchmann, L; Park, S H; Zyuzin, A.

Afiliação

Junghans AR; Center for Experimental Nuclear Physics and Astrophysics, University of Washington, Seattle, Washington 98195, USA.

Phys Rev Lett ; 88(4): 041101, 2002 Jan 28.

Article em En | MEDLINE | ID: mdl-11801101

ABSTRACT

ABSTRACT

We measured the 7Be(p,gamma)8B cross section from E(c.m.) = 186 to 1200 keV, with a statistical-plus-systematic precision per point of better than +/-5%. All important systematic errors were measured including 8B backscattering losses. We obtain S17(0) = 22.3+/-0.7(expt)+/-0.5(theor) eV b from our data at E(c.m.)< or =300 keV and the theory of Descouvemont and Baye.

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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2002 Tipo de documento: Article País de afiliação: Estados Unidos

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