measurements of ebs and pige cross-sections for protons on low-z nuclei
DESCRIPTION
Measurements of EBS and PIGE cross-sections for protons on low-Z nuclei. The past. The present. The future. DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS Research Co-ordination Meeting, Vienna, 21-23 November 2005. Massimo Chiari Istituto Nazionale Fisica Nucleare - PowerPoint PPT PresentationTRANSCRIPT
Measurements Measurements of EBS and PIGE of EBS and PIGE cross-sections cross-sections for protons on for protons on low-Z nucleilow-Z nuclei
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Massimo ChiariIstituto Nazionale Fisica Nucleare
Florence, Italy
The pastThe past
The presentThe present
The futureThe future
The past…The past…
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
0.00
0.05
0.10
0.15
0.20
0.25
d/d
(ba
rn/s
r)
0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.78 3.03170°
160°
150°
140°
130°
120°
110°
100°
E (MeV)
scattering angle
2.75 3.000.00
0.05
0.10
0.15
0.20
0.25
d/d
(ba
rn/s
r)
0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.78 3.03170°
160°
150°
140°
130°
120°
110°
100°
E (MeV)
scattering angle
2.75 3.00
10B(p,p)10B 11B(p,p)11B
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
d/d
(ba
rn/s
r)
3.002.752.502.252.001.751.501.251.000.750.50170°
160°
150°
140°
130°
120°
110°
100°
E (MeV)
scattering angle
12C(p,p)12C
0.0
0.2
0.4
0.6
0.8
1.0
d/d
(ba
rn/s
r)
0.78 1.03 1.26 1.51 1.76 2.00 2.25 2.49 2.74 2.98
170°160°
150°140°
130°120°
110°100°
E (MeV)
scattering angle
0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2. 75 3.00
27Al(p,p)27Al
The past…The past…
View of the first scattering chamber
Inside view of the chamber
The old KN3000 accelerator in Florence
Detector mount
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
The present…The present…
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
External microbea
m
High-energy AMS spectrometer
Multi-sample
AMS injector
Tandetron Accelerator3 MV terminal voltage
External beam for
archaeometry
Multipurpose IBA
vacuum chamber
External beam for
aerosol analysis
Electrostati
c chopper
Multi-angle scattering chamber
operational
planned for 2006
under installation
Dual source IBA injector
The new LABEC laboratory of INFN in Florence
The present…The present…
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
The present…The present…
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
The future…The future…MULTI-DETECTORMULTI-DETECTOR
SCATTERING CHAMBERSCATTERING CHAMBER
Electronics & data acquisition up to 24 channels
10 x 10 mm2, 300 m silicon PIN junction detectors
Cryogenic mount
Covered angular range:177.5° to 97.5°
82.5° to 2.5°in steps down to 2.5°
Remotely controlled target holder
The future…The future…
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Cryostat
Forward detectorbank
Backward detectorbank
Beam inputcollimator
Beam exitcollimator
The future…The future…
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Remote-controlledtarget holder
Detector collimatorsassembly
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Measurements conducted at the 5 MV Tandetron accelerator of CMAM in Madrid Measurements conducted at the 5 MV Tandetron accelerator of CMAM in Madrid
19F(p,p)19F, = 150°
0
0.01
0.02
0.03
0.04
0.05
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0E (MeV)
d /
d
(b
arn
/sr)
This work
Bogdanovich et al. [1993]
Ouichaoui et al. [1986]
Thompson et al. [1967]
23Na(p,p)23Na, = 150°
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0E (MeV)
d /
d
(b
arn
/sr)
7Li(p,p)7Li, = 150°
0
0.02
0.04
0.06
0.08
0.1
0.12
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0E (MeV)
d /
d
(b
arn
/sr)
This work
Gleyvod et al., 145° [1965]
Fasoli et al., 145° [1964]
Serie1
12C(p,p)12C, = 150°
0
0.1
0.2
0.3
0.4
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0E (MeV)
d /
d
(b
arn
/sr)
This workAmirikas et al. [1993]Barnard et al. [1966]Nikolic et al. [1963]Reich et al. [1956]Jackson et al. [1953]Serie5
THESE DATA ARE STILL
UNDER ANALYSIS
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Measurements conducted at the 5 MV Tandetron accelerator of CMAM in Madrid Measurements conducted at the 5 MV Tandetron accelerator of CMAM in Madrid
p + 19F, = 135°
0
5
10
15
20
3.0 3.5 4.0 4.5 5.0 5.5E (MeV)
d /
d
(m
b/s
r)
This workBoni et al. [1988]Ranken et al. [1958]
19F(p,p')19F, E = 110 keV
p + 19F, = 135°
0
5
10
15
20
25
30
3.0 3.5 4.0 4.5 5.0 5.5E (MeV)
d /
d
(m
b/s
r)
This workBoni et al. [1988]Ranken et al. [1958]
19F(p,p')19F, E = 197 keV
p + 7Li, = 135°
0
2
4
6
8
10
12
14
16
3.0 3.5 4.0 4.5 5.0 5.5E (MeV)
d /
d
(m
b/s
r)
This workSerie2Boni et al. [1988]Serie5
7Li(p,p')7Li, E = 478 keV
7Li(p,n)8Be, E = 429 keV
p + 23Na, = 135°
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5E (MeV)
d /
d
(m
b/s
r)
23Na(p,p')23Na, E = 440 keV
THESE DATA ARE STILL
UNDER ANALYSIS
Planned activitiesPlanned activities
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Year 2• Measurement of the N(p,p)N
cross-section up to 6 MeV,from 170° to 100°
• Measurement of PIGE cross-section from 3 to 6 MeV on Mg, Al, Si, P, S
Year 3• Measurement of the C(p,p)C
cross-section from 3 to 6 MeV, from 170° to 100°
• Measurement of the F(p,p)F cross-section up to 6 MeV,from 170° to 100°
Year 1• Installation and performance
tests of the new multi-detector scattering chamber
Available targets Available targets
DEVELOPMENT OF A REFERENCE DATABASE FOR ION BEAM ANALYSIS
Research Co-ordination Meeting, Vienna, 21-23 November 2005
Li 20 g∙cm-2 Au / 50 g∙cm-2 LiF / 30 g∙cm-2 C
B 20 g∙cm-2 B
C 4-10-50 g∙cm-2 C
13C 10-50 g∙cm-2 13C
N 20 g∙cm-2 GaN
F 20 g∙cm-2 Au / 50 g∙cm-2 LiF / 30 g∙cm-2 C
Na 70 g∙cm-2 NaBr / 15 g∙cm-2 C
24Mg 50 g∙cm-2 24MgO / 150 g∙cm-2 Au
Al 20-50 g∙cm-2 Al
Si 50 g∙cm-2 Si