Title: ?????????????? ???????????? ???? 9?e, 8? ? 9?
1?????????????? ???????????? ???? 9?e, 8? ? 9?
?. ?. ??????? (????)
http//becquerel.jinr.ru/
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39C 0.13 s
10C 19 s
11C 20 m
12C 99
11B 80.2
8B 0.8 s
10B 19.8
9Be 100
7Be 53 d
6Li 7.5
7Li 92.5
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5370 events 1.2 A GeV 9Be?2He
1.7 MeV
144 white stars
27 stars with target proton recoil (g-particle)
39 stars with heavy fragment of target nucleus
(b-particle)
60, 8Be(92 KeV, 6.8 eV)
2, 8Be(2.9 MeV, 1. 5 MeV)
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83He Clustering in Light Nuclei
9C
8B
7Be
6Be
9MeV
1.6
6.9
25.3
21.2
5.6
108B 1.2A GeV Nuclotron 2004
NintZgt21102
N3/N4/N5/N6 1 / 18 / 76 / 5
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138B Total PT (7Bep)
EMD whitestars
nh?0
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159C ( 8C) new branches of clustering
7Be
8B
10C, 11C, and 12N new exposures
Done in 2007
16SPS 158 A GeV/c Pb
2
3
1
4
5
6
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18Light relativistic nuclei 8,10B and 7,9Be
demonstrate their cluster features in very
peripheral dissociations. The relativistic
energy scale does not impede investigations of
nuclear interactions down to a typical energy
scale of nuclear astrophysics, but on the
contrary gives advantages. The major one of them
is the possibility of observing and investigating
multi-particle systems. The light nuclei
provide a basis for studies of increasingly
complicated systems He-H-n produced via very
peripheral dissociation of Au nuclei at 10.6A GeV
and Pb nuclei at 160A GeV. Quite probably these
fragmentation cases were initiated by coherent
multiphoton exchanges
SUMMARY