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![Page 1: A fair number of results from GSI Structure and Reactions of Exotic Nuclei Pisa, 24-26 February 2005.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514bd4a550346b0478b45cc/html5/thumbnails/1.jpg)
A fair number of results from GSI
Structure and Reactions of Exotic Nuclei
Pisa, 24-26 February 2005
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A FAIR number of results from GSI
Structure and Reactions of Exotic Nuclei
Pisa, 24-26 February 2005
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1936
9Be + n 6He + 4He
n10.25 m
2H--
3He--
1H---
3H12.3 y
4He--
5Heunbound
6He808 ms
7Heunbound
8He119 ms
9Heunbound
7Li-d
8Li840 ms
9Li179 ms
10Liunbound
11Li8.5 ms
6Li--
Pisa, Feb. 24, 2005
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F. Ajzenberg-Selove, NPA490 (1988) 1
BGT= 4.75
Pisa, Feb. 24, 2005
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Tanihata et al., PLB 160 (1985) 380
6He
Pisa, Feb. 24, 2005
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6He
Neutron HaloNeutron Halo
Borromean
Pisa, Feb. 24, 2005
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0
0 500 1000Ed (keV)
Inte
nsi
ty (
dec
ay -1
MeV
-1)
10-4
10-5
10-6
6He
6Li
+d
Beta-Delayed Deuterons
M.J.G. Borge et al., Nucl. Phys. A560 (1993) 664
M.V. Zhukov et al., PRC47 (1993) 2937
D. Baye et al., Prog. Th. Phys. 91 (1994) 271
F.C. Baker, Phys. Lett. B 322 (1994) 17
Anthony et al., PRC 64 (2002) 034301
Qd = 3.007 – S2n Mev
Pisa, Feb. 24, 2005
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6HeSpin Alignment
6HeSpin Alignment
)cos 1.5 1 )W( 2nn (
5He
n2
p(5He)= p + pn2 = -pn1
n
L.V. Chulkov et al., PRL 79 (1997) 201
GSI
Pisa, Feb. 24, 2005
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Two-neutron exchange in the6He+4He reaction
DUBNA
G.M. Ter-Akopian et al., Phys. Lett. B 426 (1998) 251
Yu. Ts. Oganessian et al., PRL 82 (1999) 4996
Pisa, Feb. 24, 2005
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6He beam
36 MeV/u 240 MeV/u
JINR, Dubna GSI, Darmstadt
1H(6He,pp)5H One-proton knockout
A.A. Korsheninnikov et al., PRL87(01)092501
M. Meister et al., NPA 723(03)13
Pisa, Feb. 24, 2005
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6He + 238U
R. Raabe, J.L. Sida et al. Nature 431 (2004) 823
Pisa, Feb. 24, 2005
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CERN: -beam baseline scenario
PS
Decay
RingISOL target & Ion source
SPL
Cyclotrons, linac or FFAG
Decay ring
Brho = 1500 Tm
B = 5 T
Lss = 2500 m
SPS
ECR
Rapid cycling synchrotron
MeV 86.1 Average
MeV 937.1 Average
189
1810
63
62
cms
cms
E
eFeNe
E
eLiHe
Nuclear Physics
6He →6Li + e- +
_
Pisa, Feb. 24, 2005C. Volpe, Proc. INPC2004
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Experimental Studies at the Driplines
Pisa, Feb. 24, 2005
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N=16
A. Ozawa et al.,, PRL 84 (2000) 5493N=6, 16 T. Otsuka et al., PRL 87(01)082502
Pisa, Feb. 24, 2005
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Light dripline nuclei
N=6
N=16
7Hunbound
Pisa, Feb. 24, 2005
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s1/2
d5/2
d3/2
fp
20
d5/
2n p
16
24O (29Ne)
empty
D. Cortina-Gil, et al. PRL 93 (2004) 062501
GSI
19O 20O 21O 22O 23O 24O
N =16
GANIL
N =14
Stanoiu et al., PRC 69 (04) 034312
Pisa, Feb. 24, 2005
)0(1 222/1
OsS=0.97(19)
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6He806 ms
8He119 ms
7He806 ms
9He806 ms
9Li179 ms
10Li806 ms
11Li8.5 ms
11Be13.8 s
12Be23.6 ms
14Be4.35 ms
13Be806 ms
Vnn
VCnVCn
Unbound
Bound
N=8
Pisa, Feb. 24, 2005
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H. Simon et al.,
PRL 83 (1999) 496
(1s1/2)2 = 45(10) %
GSI, 287 MeV/u 11Li
Pisa, Feb. 24, 2005
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(12Be,11Be+)
812
4 Be812
4 Be
Spectroscopic factorsNavin et al. PRL 85(00)266
Deformation12Be (p,p’)12Be*(2+) = 2.00(23) fmIwasaki et al., PLB 481 (00) 7
Breakdown of the
N=8 shell closure
Low-lying 1- stateB(E1) = 0.051(13) e2fm2
Iwasaki et al., EPJ A13 (02) 55
2.68 MeVMSU
(1s2+0d2)
RIKEN
Pisa, Feb. 24, 2005
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Shimoura et al., PLB 560 (2003) 31
Isomeric 0+ state at 2.24 MeV12mBe 12Be*(2+) 12Be
812
4 Be812
4 Be
0+ 2+ 0+
RIKEN
Pisa, Feb. 24, 2005
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22 (G/2)E)E'(E
EA
dd
2
2
2 saE
0 Relative velocity
Chen et al., PLB 505(2001)21
Simon et al.
Er=0.68(10) MeV
9Li(d,p)10LiEr = 0.77(24) MeV
Santi et al., PRC 67(03) 024606
REX ISOLDE
Pisa, Feb. 24, 2005
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9He
28 MeV/u 11Be
(11Be,8He+n)
Pisa, Feb. 24, 2005
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The N=7 IsotonesThe N=7 Isotones
Pisa, Feb. 24, 2005
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6He806 ms
8He119 ms
7He806 ms
9He806 ms
9Li179 ms
10Li806 ms
11Li8.5 ms
11Be13.8 s
12Be23.6 ms
14Be4.35 ms
13Be806 ms
?
C. Forssén et al., NPA 706 (02) 48
Borromean Five-body Pisa, Feb. 24, 2005
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)(cos44.0)cos(37.01)( 2nfnfnfW
13Be
s-wave resonance ?
Pisa, Feb. 24, 2005
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A. Bonaccorso, ENAM 2004 and IFUP-TH 29/2004
Pisa, Feb. 24, 2005
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10Be1.6.106 a
9Li178 ms
8He119 ms
7Hunbound
Zhukov et al., PRC 50 (94) R1
COSMA Valence neutrons in the
p3/2 shell
Korsheninnikov et al. PRL 90(03) 082501
Pisa, Feb. 24, 2005
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The 6He (2+) +2n component in 8He
)P(Rnσσ cutT1n
129(15)σ
316σexp
1n
calc1n
mb
mb
Markenroth et al., NPA679 (01) 462
45% 6He(2+) +2n(p3/2,p1/2)
Korshenninikov et al., PRL 90(03) 082501
8He+4HeWolski et al., NPA 701 (02) 29c
Markenroth et al., NPA 679 (01) 462
Pisa, Feb. 24, 2005
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Pisa, Feb. 24, 2005
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C
Pb
Rtotalp
excp
1
1
113.0)( PbRth
R=0.085
R=0.13
D. Cortina-Gil et al., NPA 720(2003) 3
GSI936 MeV/u 8B
Pisa, Feb. 24, 2005
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8B
C and Pb targets.Combined data give
13.3(2.2) %for the
7Be*(1/2-)p(3/2-)component in the
8B ground statewavefunction
D. Cortina et al., PLB 529(2002) 36 (C)
and NPA 720(2003) 3 (C, Pb)
Pisa, Feb. 24, 2005
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6He(240 MeV/u) + Pb
1 – 3 MeV
Pisa, Feb. 24, 2005
Danilin et al., NPA 632(98) 383
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Pisa, Feb. 24, 2005
Danilin et al., NPA 632(98) 383 ............
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11Li: + 30 %
Pisa, Feb. 24, 2005
Ewald et al., PRL 93 (04)113002
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Pisa, Feb. 24, 2005
S 245
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S245 beams and identified reaction products
Pisa, Feb. 24, 2005
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Pisa, Feb. 24, 2005
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Pisa, Feb. 24, 2005
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...independent of the value which, after a possible confirmation, may be attributed to the theory of relativity and gravitation give the prize, which for 1921......
...for his contributions to the theoretical physics and especially for his discovery of the law for the photoelectric effect.
Pisa, Feb. 24, 2005
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From “Remembering miss Meitner” by Robert Marc Friedman played during
INPC2004, Göteborg, June 27- July 2 2004.
Inger Hayman as Lise Meitner
...How could one woman stop them? The future was theirs. By then science was no longer what it had once been. Money, fame, prizes, and intrigues – that was not what I devoted my life to. I gladly gave up much for that which I love most. Physics is my great love. My only love. It is the work itself… to work together, to be part of a community. What matters most is the beauty of the results; the respect we share. I would do it all over again and again and again. I am lucky. I participated in a great adventure…. to research… to discover… And I became – a snow angel!
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