Feasibility of low-energy radiative-capture experiments at the LUNA underground accelerator facility

被引：66

作者：

Bemmerer, D

Confortola, F

Lemut, A

Bonetti, R

Broggini, C

Corvisiero, P

Costantini, H

Cruz, J

Formicola, A

Fülöp, Z

Gervino, G

Guglielmetti, A

Gustavino, C

Gyürky, G

Imbriani, G

Jesus, AP

Junker, M

Limata, B

Menegazzo, R

Prati, P

Roca, V

Rogalla, D

Rolfs, C

Romano, M

Alvarez, CR

Schümann, F

Somorjai, E

Straniero, O

Strieder, F

Terrasi, F

Trautvetter, HP

Vomiero, A

机构：

[1] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

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

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

[4] Univ Milan, Ist Fis, Milan, Italy

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

[6] Univ Lisbon, Ctr Fis Nucl, P-1699 Lisbon, Portugal

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

[8] ATOMKI, Debrecen, Hungary

[9] Univ Turin, Dipartimento Fis Sperimentale, I-10124 Turin, Italy

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

[11] Univ Naples Federico II, Dipartimento Sci Fisiche, Naples, Italy

[12] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy

[13] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, PD, Italy

[14] Univ Naples 2, Caserta, Italy

[15] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy

[16] Ruhr Univ Bochum, Inst Expt Phys 3, D-4630 Bochum, Germany

[17] Osservatorio Astron Collurania, Teramo, Italy

[18] Tech Univ Berlin, Inst Atomare Phys & Fachdidakt, D-1000 Berlin, Germany

来源：

EUROPEAN PHYSICAL JOURNAL A | 2005年 / 24卷 / 02期

关键词：

D O I：

10.1140/epja/i2004-10135-4

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 LUNA (Laboratory Underground for Nuclear Astrophysics) facility has been designed to study nuclear reactions of astrophysical interest. It is located deep underground in the Gran Sasso National Laboratory; Italy. Two electrostatic accelerators; with 50 and 400 kV maximum voltage, in combination with solid and gas target setups allowed to measure the total cross-sections of the radiative-capture reactions H-2(p, gamma)He-3 and N-14(p, gamma)O-15 within their relevant Gamow peaks. We report on the gamma background in the Gran Sasso laboratory measured by germanium and bismuth germanate detectors, with and without an incident proton beam. A method to localize the sources of beam-induced background using the Doppler shift of emitted gamma rays is presented. The feasibility of radiative-capture studies at energies of astrophysical interest is discussed for several experimental scenarios.

引用

页码：313 / 319

页数：7

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