Absolute cross section of 7Be(p, γ)8B

被引：74

作者：

Strieder, F

Gialanella, L

Gyürky, G

Schümann, F

Bonetti, R

Broggini, C

Campajola, L

Corvisiero, P

Costantini, H

D'Onofrio, A

Formicola, A

Fülöp, Z

Gervino, G

Greife, U

Guglielmetti, A

Gustavino, C

Imbriani, G

Junker, M

Moroni, PGP

Ordine, A

Prati, P

Roca, V

Rogalla, D

Rolfs, C ^{[1
]}

Romano, M

Somorjai, E

Straniero, O

Terrasi, F

Trautvetter, HP

Zavatarelli, S

机构：

[1] Ruhr Univ Bochum, Inst Phys Ionenstrahlen, Bochum, Germany

[2] Atomki, Debrecen, Hungary

[3] Univ Milan, Dipartimento Fis, Milan, Italy

[4] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[5] Ist Nazl Fis Nucl, Padua, Italy

[6] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy

[7] Ist Nazl Fis Nucl, I-80125 Naples, Italy

[8] Univ Genoa, Dipartimento Fis, Genoa, Italy

[9] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[10] Univ Naples 2, Dipartimento Sci Ambientali, Caserta, Italy

[11] Univ Turin, Dipartimento Fis Sperimentale, Turin, Italy

[12] Ist Nazl Fis Nucl, I-10125 Turin, Italy

[13] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Assergi, Italy

[14] Osserv Astron Capodimonte, I-80131 Naples, Italy

[15] Osservatorio Astron Collurania, Teramo, Italy

来源：

NUCLEAR PHYSICS A | 2001年 / 696卷 / 1-2期

基金：

匈牙利科学研究基金会;

关键词：

Be-7(p; gamma); E(c.m.)=0.32-2.61 MeV; measured delayed E gamma; sigma(E); deduced astrophysical S-factor; comparison with previous results;

D O I：

10.1016/S0375-9474(01)01121-6

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The absolute cross section a (E) for the radiative capture reaction Be-7(p, gamma)B-8 at the center-of-mass energies E = 0.32 to 2.61 MeV has been measured using a Be-7 target deposited on a Cu backing and observing the beta -delayed alpha -particles from B-8. The backing causes a loss of less than 1% of the B-8 residual nuclides. The resulting astrophysical S(E) factor at zero energy, S(0) = 18.4 +/- 1.6 eV b, is consistent only with a restricted data set from previous work. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：219 / 230

页数：12

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