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LUNA 1 50 kV

LUNA 1 50 kV. *PRL 82(1999) 5205. S(0)=5.32 (1 ± 6%)MeVb.  min= 0.02 pb 2 events/month !. J. Bachall: “Historical breakthrough”. D(p,  ) 3 He. Q = 5.5 MeV. S(0)=0.216± 0.006 eVbarn. One of the main responsible of D and 3 He synthesis

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LUNA 1 50 kV

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  1. LUNA 1 50 kV

  2. *PRL 82(1999) 5205 S(0)=5.32 (1± 6%)MeVb min= 0.02 pb 2 events/month ! J. Bachall: “Historical breakthrough”

  3. D(p,)3He Q = 5.5 MeV S(0)=0.216± 0.006 eVbarn One of the main responsible of D and 3He synthesis LUNA data crucial to reduce XD error budget (~factor 3!) Also important for Proto-stars burning C.Casella et al., Nucl. Phys. A706(2002)203 SUN

  4. LUNA site LUNA underground Laboratories LUNA 1 50 kV LUNA 2 400 kV

  5. p, 12C 13N p + p d + e+ + ne - p, d + p 3He + g pp chain CNO cycle 84.7 % 13.8 % 15N 13C 3He +3He a + 2p 3He +4He 7Be+g p, + 0.02 % 13.78 % 15O 14N 7Be+e- 7Li+g +ne 7Be +p 8B+g p, 7Li +p a + a 8B 2a + e++ ne 25Mg(p,)26Al 15N(p,)16O

  6. Laboratory Underground Nuclear Astrophysics LUNA – MV letter of intent

  7. what else might be studied underground? Supernovae ~ He burning 12C(a,g), 16O(a,g) 14N(a,g) 18O(a,g) 22Ne(a,g) s process ~ n production 13C(,n), 22Ne(,n) AGB stars ~ s process 14N(p,g) 17O(p,g) 17O(p,a) Red giants ~ CNO cycle 22Ne(p,g) 23Na(p,a) 24Mg(p,g) Globular clusters ~ Ne/Mg/Na cycles Supernova nucleosynthesis 20Ne, 24Mg, 28Si, 32S, 36Ar, 40Ca(,g)

  8. The dream continues.. Thank you Claus !!

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