Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and...
-
Upload
connor-boyd -
Category
Documents
-
view
216 -
download
3
Transcript of Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and...
![Page 1: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/1.jpg)
Precision Experiments and Photon Spectroscopy at the Super FRS
• Motivation for the LEB• Energy and range focusing• Experimental opportunities:
– Agata– Laser Spectroscopy– Ion Traps
Magdalena GόrskaPolish-German Meeting, Warsaw, November 24, 2003
![Page 2: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/2.jpg)
Motivation for the LEB(Low energy high-quality beams, complementary to ISOL)
• Neutron rich nuclei (H. Geissel)• Shells and shapes
(shell quenching) • N=Z nuclei (Z. Janas)• Symmetries (A. May)• Astrophysics (H.G., Z.J.)
T.R. Werner, J. Dobaczewski, W. Nazarewicz, Z. Phys. A358 (1997) 169
![Page 3: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/3.jpg)
Opportunitiesat the LEB
H. Geissel et al., NIM A (1989)
Energy Buncher:
BMax = 10 Tmx = ±300 mm mrady = ±200 mm mradp/pacc = ± 2.5%
Ion optical R = 600
C. Scheidenberger
Z. J.
![Page 4: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/4.jpg)
ε(Mγ=1,Eγ=1MeV) = 0.5
Collaboration: 42 countries including PL
![Page 5: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/5.jpg)
I prod = 1 ion/s
GANIL: J.M. Daugas et al., Phys. Lett. B476 (2000) 213
Shell structure isomer
Warsaw Group
s(100Sn)=1.8 pb
FRS: Zs. Podolyak et al., Phys. Lett. B491 (2000) 225
Warsaw Group
Iprod = 0.2 ion/s
K - isomerism
Single-atom spectroscopy
Identification of the Doubly Magic 100Sn
(100Sn)=1.8 pb
S t o p p i n g P o w e r o f R e l a t i v i s t i c H e a v y I o n s
B r e a k - d o w n o f t h e r e l a t i v i s t i c B e t h e t h e o r y ,F R S e x p e r i m e n t a l r e s u l t s w e r e t h e m o t i v a t i o no f t h e n e w t h e o r e t i c a l d e v e l o p m e n t b y J . L i n d h a r da n d A . H . S o e r e n s e n
![Page 6: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/6.jpg)
![Page 7: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/7.jpg)
![Page 8: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/8.jpg)
![Page 9: Precision Experiments and Photon Spectroscopy at the Super FRS Motivation for the LEB Energy and range focusing Experimental opportunities: –Agata –Laser.](https://reader035.fdocuments.in/reader035/viewer/2022062618/55140c3a550346e2488b4e34/html5/thumbnails/9.jpg)
Pa ra ffine a nd c o nc re te shie ld ing
C o nc re te
x, y, E, TO F
x, y, E, TO F
Dum p
Dum p
LA SER sp e c tro sc o p y
So lid -sta te p hysic s,m e d ic ine , e tc . Tra p
syste m
Po we r sup p lie s
Po we r sup p lie s fo r b e a m -line m a g ne ts
Ro o ts b lo we r,g a s p urific a tio n,g a s re c yc ling
G a sc e ll
35 m e te r
- swift monoenergetic exotic beams (gamma-ray spectroscopy)
- ISOL type beams (laser spectroscopy, precision experiments)
- beam stopped in thin absorbers (α, β, γ spectroscopy) - see the next talk
Probing new fields at LEB with: