Compton Scattering Effect and Physics of Compton Photon Beams. Compton Photon Sources around the World, Present and Future

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3 Compton Scattering Effect and Physics of Compton Photon Beams Compton Photon Sources around the World, Present and Future Compton X-ray Sources: Facilities, Projects and Experiments Compton Gamma-ray Sources: Facilities and Projects New Technologies Fundamental and Applied Research Using Compton Photon Sources Limitations and Prospects R&D Topics Summary: World Wide Effort on Compton Photon Sources

4 Compton Scattering Effect and Physics of Compton Photon Beams

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15 Compton Photon Sources around the World, Present and Future Compton X-ray Sources: Facilities, Projects and Experiments

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20 Compton Photon Sources around the World, Present and Future Compton Gamma-ray Sources: Facilities and Projects

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23 % +. %! &,Χ %) 62 Χ : Χ Χ

24 , %. & 5 & %) 780 nm Mirrors Minimal round-trip loss: ~ 0.107% Finesse ~ 3,000 Effective: R ~ 99.95% =93? ) Α0 0030=

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27 High Intensity Gamma-ray Source (HIGS) - World's Most Powerful Compton Gamma-ray Source Max total intensity: > 2x10 10 gamma/second (around 10 MeV) Photon energy range: MeV - HIGS Collaboration 9 International Collaborating Institutions 22 US Collaborating Institutions Industrial Partners , 65. : Ε! Π 7Ε ( : : Α 49Β ?! 30 33, ( :

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32 Highest Average Intensity Compton Sources (2012) X-ray: )? )! ( :., 5.,? ; 6Π7Ε30 30 (? Α30 +: Compton Photon Sources around the World, Present and Future New Technologies

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34 & 2 ) 5 (? ))<) %&? %&? 6%Ε 7032: Laser: 532 nm, 1W (avg), 10 Hz, 3 cm Rayleigh range E-beam: MeV, 10 Hz, ~100 pc/pulse, eng sprd <5%, norm-emittance, 5pi mm-mrad,., MeV, >30 9 g/pulse? Σ30Β 3? %&? 7 5 (? &!, / 30? =:

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36 Fundamental and Applied Research Using Compton Photon Sources

37 + 1 &, Research Using Compton X-ray Sources Small-scale synchrotron x-ray sources: all research typically conducted using x-ray beams from storage ring light sources, in particular in imaging, including phase-contrast imaging, micro-tomographic imaging, imaging using a single-pulse Limitations and and Prospects of Compton X-ray Sources Average flux & brightness cannot compete with 3rd-gen storage ring light sources Peak flux & brightness cannot compete with x-ray FEL (also incoherent) Comparable cost to a complex, state-of-the-art undulator beamline at a major light source Increase x-ray accessibility: Making x-ray capabilities available where x-ray science takes place 3 Ν& /% )? Ο > /? /? 7030

38 + 1 / &., Physics Research: Nuclear and HEP Nuclear Structure Few-Nucleon Physics Astrophysics Gerasimov-Drell-Hearn (GDH) Sum Rule Compton Scattering from Nucleons Photon-Pion Physics Hadron structure and quark interactions Hadronic parity violation Physics beyond the Standard Model Complementary Sources CEBAF (Jlab) ELSA Bonn MAMI Mainz ( 5 Ε (;γ. > & Φ & 9? ; 7Χ,!/

39 + 1 / &., Some Areas of Applications of Compton Gamma-ray Beams Accelerator Physics Polarized positron generation E-beam diagnostics (beam size, energy, and polarization) National Security Special nuclear materials detection (non-destructive assay) Energy Industry Nuclear waste management and treatment Medical Applications Isotope production Cancer diagnostics Industrial Applications Industrial product inspection Materials Research Novel scintillators and detectors Applications in fundamental research, space program, industry, and medicine

40 &Γ;! R&D Topics for Compact Light Sources (2010 BES Workshop) Develop IR laser systems: kw avg power, fs pulses, khz reprates Develop laser storage cavities: 10-mJ, ps and fs pulses focused to micron beam sizes Develop high-brightness, high reprate electron sources Develop CW 4K superconducting RF linacs Other R&D Topics Specific to Compton Sources Laser cavities tailored for specific Compton sources in terms of power, reprate, beam size, polarization, and collision geometry (two-mirror resonators, multi-mirror ring resonators, and non-gaussian mode cavities) Storage ring Compton sources: Optimizing final focusing design and mitigate its impact on beam dynamics General impact on beam dynamics at very high intensities Gamma-ray sources: Energy recovery consideration 3 Ν& /% )? Ο > /? /? 7030

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