The European Physical Journal A

, Volume 39, Issue 2, pp 179–186 | Cite as

Ultra-sensitive in-beam \( \gamma\) -ray spectroscopy for nuclear astrophysics at LUNA

  • The LUNA Collaboration
  • A. Caciolli
  • L. Agostino
  • D. Bemmerer
  • R. Bonetti
  • C. Broggini
  • F. Confortola
  • P. Corvisiero
  • H. Costantini
  • Z. Elekes
  • A. Formicola
  • Zs. Fülöp
  • G. Gervino
  • A. Guglielmetti
  • C. Gustavino
  • Gy. Gyürky
  • G. Imbriani
  • M. Junker
  • M. Laubenstein
  • A. Lemut
  • B. Limata
  • 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
Regular Article - Experimental Physics

Abstract

Ultra-sensitive in-beam \( \gamma\) -ray spectroscopy studies for nuclear astrophysics are performed at the LUNA (Laboratory for Underground Nuclear Astrophysics) 400 kV accelerator, deep underground in Italy’s Gran Sasso laboratory. By virtue of a specially constructed passive shield, the laboratory \( \gamma\) -ray background for \(\ensuremath E_{\gamma}\) < 3 MeV at LUNA has been reduced to levels comparable to those experienced in dedicated offline underground \( \gamma\) -counting setups. The \( \gamma\) -ray background induced by an incident \( \alpha\) -beam has been studied. The data are used to evaluate the feasibility of sensitive in-beam experiments at LUNA and, by extension, at similar proposed facilities.

PACS

25.40.Lw Radiative capture 25.55.-e 3H -, 3He -, and 4He -induced reactions 29.20.Ba Electrostatic accelerators 29.30.Kv X- and \( \gamma\) -ray spectroscopy 

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • The LUNA Collaboration
  • A. Caciolli
    • 1
    • 2
  • L. Agostino
    • 3
  • D. Bemmerer
    • 4
  • R. Bonetti
    • 5
  • C. Broggini
    • 1
  • F. Confortola
    • 3
  • P. Corvisiero
    • 3
  • H. Costantini
    • 3
  • Z. Elekes
    • 6
  • A. Formicola
    • 7
  • Zs. Fülöp
    • 6
  • G. Gervino
    • 8
  • A. Guglielmetti
    • 5
  • C. Gustavino
    • 7
  • Gy. Gyürky
    • 6
  • G. Imbriani
    • 9
    • 13
  • M. Junker
    • 7
  • M. Laubenstein
    • 7
  • A. Lemut
    • 3
  • B. Limata
    • 9
    • 13
  • M. Marta
    • 4
  • C. Mazzocchi
    • 5
  • R. Menegazzo
    • 1
  • P. Prati
    • 3
  • V. Roca
    • 9
    • 13
  • C. Rolfs
    • 10
  • C. Rossi Alvarez
    • 1
  • E. Somorjai
    • 6
  • O. Straniero
    • 11
    • 13
  • F. Strieder
    • 10
  • F. Terrasi
    • 12
    • 13
  • H. P. Trautvetter
    • 10
  1. 1.INFNSezione di PadovaPadovaItaly
  2. 2.Dipartimento di FisicaUniversità di PadovaPadovaItaly
  3. 3.Dipartimento di FisicaUniversità di Genova and INFN Sezione di GenovaGenovaItaly
  4. 4.Forschungszentrum Dresden-RossendorfDresdenGermany
  5. 5.Istituto di Fisica Generale ApplicataUniversità di Milano and INFN Sezione di MilanoMilanoItaly
  6. 6.ATOMKIDebrecenHungary
  7. 7.INFNLaboratori Nazionali del Gran SassoAssergiItaly
  8. 8.Dipartimento di Fisica SperimentaleUniversità di Torino and INFN Sezione di TorinoTorinoItaly
  9. 9.Dipartimento di Scienze FisicheUniversità di Napoli “Federico II”NapoliItaly
  10. 10.Institut für Experimentalphysik IIIRuhr-Universität BochumBochumGermany
  11. 11.Osservatorio Astronomico di ColluraniaTeramoItaly
  12. 12.Seconda Università di NapoliCasertaItaly
  13. 13.INFNSezione di NapoliNapoliItaly

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