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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Nuclear Physics Applications at the
Institute ofNuclear and Particle Physics
A. LagoyannisInstitute of Nuclear and Particle Physics
NCSR “Demokritos”, Greece
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Applications @ I.N.P.P.
Research: EBS / NRA cross section
measurements PIGE cross section
measurements R & D on techniques
Services:
Ion Beam Techniques
XRF Laboratory
Neutron & Charged Particle
Irradiations
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
EBS - NRA Cross Section Measurements
Motor driven goniometerGreat angular accuracy (0.01 deg.)Up to 4 targetsWater cooling available
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
PIGE Cross Section Measurements
32S(p,p’γ) 32S Εγ = 2230 keV
10B(p,αγ) 7Be Εγ = 429 keV
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Ion Beam Analysis Tools
Motor driven goniometerSuitable for channeling studies4 – axis target movement Place for PIGE detector
Surface barrier detector at backward angles
Beam Chopper
Rutherford Backscattering SpectroscopyElastic Backscattering SpectroscopyNuclear Reaction AnalysisProton Induced Gamma – ray EmissionChanneling Studies
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Ion Beam Analysis Examples
Geological Lead interaction with gypsum
Material Science NiO Thin film formation
Cultural HeritageCorrosion studies
Co/Nb/Co trilayers
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
External Beam
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Micro Beam Setup
Chamber’s features: Load – lock chamber 3 – axis motorized sample holder Rotatable target holder Heating / Cooling Long range microscope for precision CCD camera for sample Monitoring
Detectors: PIXE low energy Si(Li) detector at 45o
PIGE HPGe detector at 45o
STIM detector at 0o
RBS SSB detector at 170o
NRA SSB detector at 150o
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Upgrading of the microbeam in order to deliver ~ 50 um external beamoptics calculations already performed
external probe exists (needs modification)large samples motorized holder exists
External Micro Beam Setup
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
XRF Laboratory
Milli - XRF Spectrometer
Micro - XRF Spectrometer
E5 Integrated XRF Spectrometer
Applications: Cultural Heritage (artefacts, …) Environment (air filters, …) Material Science (thin films, …) Technological (solar cells, …)
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Mirror Coins Armor
XRF Examples
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
In Situ XRF Measurements
Portable XRF Spectrometer
Applications: Cultural Heritage Archeological Sites Museums (in Greece
& abroad)
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Neutron Irradiation Setup
ReactionNeutron Energy(MeV)
Flux (n/sec/cm2)
7Li(p,n)7Be 0.12 – 0.65 ≈ 105
d(d,n)3He 3.9 – 11.5 ≈ 106
t(d,n)4He 16.4 – 25.7 ≈ 105
Gas cell
Irradiation of electronic devices(Memory modules, ESA related devices,
…)