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The European Physical Journal A

, Volume 44, Issue 3, pp 513–519 | Cite as

An actively vetoed Clover \( \gamma\) -detector for nuclear astrophysics at LUNA

  • The LUNA Collaboration
  • T. Szücs
  • D. BemmererEmail author
  • C. Broggini
  • A. Caciolli
  • F. Confortola
  • P. Corvisiero
  • Z. Elekes
  • A. Formicola
  • Zs. Fülöp
  • G. Gervino
  • A. Guglielmetti
  • C. Gustavino
  • Gy. Gyürky
  • G. Imbriani
  • M. Junker
  • A. Lemut
  • M. Marta
  • C. Mazzocchi
  • R. Menegazzo
  • P. Prati
  • V. Roca
  • C. Rolfs
  • C. Rossi Alvarez
  • E. Somorjai
  • O. Straniero
  • F. Strieder
  • F. Terrasi
  • H. P. Trautvetter
Special Article - Tools for Experiment and Theory

Abstract

An escape-suppressed, composite high-purity germanium detector of the Clover type has been installed at the Laboratory for Underground Nuclear Astrophysics (LUNA) facility, deep underground in the Gran Sasso Laboratory, Italy. The laboratory \( \gamma\) -ray background of the Clover detector has been studied underground at LUNA and, for comparison, also in an overground laboratory. Spectra have been recorded both for the single segments and for the virtual detector formed by online addition of all four segments. The effect of the escape suppression shield has been studied as well. Despite their generally higher intrinsic background, escape-suppressed detectors are found to be well suited for underground nuclear-astrophysics studies. As an example for the advantage of using a composite detector deep underground, the weak ground-state branching of the E p = 223 keV resonance in the 24Mg(p,\( \gamma\))25Al reaction is determined with improved precision.

Keywords

HPGe Detector Nuclear Astrophysics Lead Shield Deep Underground 25Al Reaction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • The LUNA Collaboration
  • T. Szücs
    • 1
    • 2
  • D. Bemmerer
    • 3
    Email author
  • C. Broggini
    • 4
  • A. Caciolli
    • 4
    • 5
  • F. Confortola
    • 6
  • P. Corvisiero
    • 6
  • Z. Elekes
    • 1
  • A. Formicola
    • 7
  • Zs. Fülöp
    • 1
  • G. Gervino
    • 8
  • A. Guglielmetti
    • 9
  • C. Gustavino
    • 7
  • Gy. Gyürky
    • 1
  • G. Imbriani
    • 10
    • 11
  • M. Junker
    • 7
  • A. Lemut
    • 6
  • M. Marta
    • 3
  • C. Mazzocchi
    • 9
  • R. Menegazzo
    • 4
  • P. Prati
    • 6
  • V. Roca
    • 10
    • 11
  • C. Rolfs
    • 12
  • C. Rossi Alvarez
    • 4
  • E. Somorjai
    • 1
  • O. Straniero
    • 11
    • 13
  • F. Strieder
    • 12
  • F. Terrasi
    • 11
    • 14
  • H. P. Trautvetter
    • 12
  1. 1.Institute of Nuclear Research (ATOMKI)DebrecenHungary
  2. 2.University of DebrecenDebrecenHungary
  3. 3.Forschungszentrum Dresden-Rossendorf (FZD)DresdenGermany
  4. 4.INFN Sezione di PadovaPadovaItaly
  5. 5.Dipartimento di FisicaUniversità di PadovaPadovaItaly
  6. 6.Dipartimento di FisicaUniversità di Genova and INFN Sezione di GenovaGenovaItaly
  7. 7.INFNLaboratori Nazionali del Gran SassoAssergiItaly
  8. 8.Dipartimento di Fisica SperimentaleUniversità di Torino and INFN Sezione di TorinoTorinoItaly
  9. 9.Università degli Studi di Milano and INFN Sezione di MilanoMilanoItaly
  10. 10.Dipartimento di Scienze FisicheUniversità di Napoli “Federico II”NapoliItaly
  11. 11.INFN Sezione di NapoliNapoliItaly
  12. 12.Institut für Experimentalphysik IIIRuhr-Universität BochumBochumGermany
  13. 13.Osservatorio Astronomico di ColluraniaTeramoItaly
  14. 14.Seconda Università di NapoliCasertaItaly

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