For the study of astrophysically relevant capture reactions in the underground laboratory LUNA a new setup of high sensitivity has been implemented. The setup includes a windowless gas target, a 4pi BGO summing crystal, and beam calorimeters. The setup has been recently used to measure the d(p,gamma)He-3 cross-section for the first time within its solar Gamow peak, i.e. down to 2.5 keV c.m. energy. The features of the optimized setup are described. (C) 2002 Elsevier Science B.V. All rights reserved.
A new setup for the underground study of capture reactions
GERVINO, Gianpiero;
2002-01-01
Abstract
For the study of astrophysically relevant capture reactions in the underground laboratory LUNA a new setup of high sensitivity has been implemented. The setup includes a windowless gas target, a 4pi BGO summing crystal, and beam calorimeters. The setup has been recently used to measure the d(p,gamma)He-3 cross-section for the first time within its solar Gamow peak, i.e. down to 2.5 keV c.m. energy. The features of the optimized setup are described. (C) 2002 Elsevier Science B.V. All rights reserved.
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