Universität zu Köln

Netterdon, L., Derya, V., Endres, J., Fransen, C., Hennig, A., Mayer, J., Mueller-Gatermann, C., Sauerwein, A., Scholz, P., Spieker, M. and Zilges, A. (2014). The gamma-ray spectrometer HORUS and its applications for nuclear astrophysics. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 754. S. 94 - 101. AMSTERDAM: ELSEVIER. ISSN 1872-9576

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Abstract

A dedicated setup for the in-beam measurement of absolute cross-sections of astrophysically relevant charged-particle induced reactions is presented. These, usually very low, cross-sections at energies of astrophysical interest are important to improve the modeling of the nucleosynthesis processes of heavy nuclei. Particular emphasisis put on the production of the p nuclei during the astrophysical gamma process. The recently developed setup utilizes the high-efficiency gamma-ray spectrometer HORUS, which is located at the 10 MV FN tandem ion accelerator of the Institute for Nuclear Physics in Cologne. The design of this setup will be presented and results of the recently measured Y-89(p,gamma)Zr-90 reaction will be discussed. The excellent agreement with existing data shows that the HORUS spectrometer is a powerful tool to determine total and partial cross-sections using the in-beam method with high-purity germanium detectors. (C) 2014 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Netterdon, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Derya, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Endres, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hennig, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mayer, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller-Gatermann, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sauerwein, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Scholz, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Spieker, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zilges, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-433577
DOI:	10.1016/j.nima.2014.04.025
Journal or Publication Title:	Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip.
Volume:	754
Page Range:	S. 94 - 101
Date:	2014
Publisher:	ELSEVIER
Place of Publication:	AMSTERDAM
ISSN:	1872-9576
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language NUCLEOSYNTHESIS; ENERGY Multiple languages Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/43357