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Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
We report the design and current status of a monoenergetic laser-based Compton scattering 0.5-2.5 MeV [gamma]-ray source. Previous nuclear resonance fluorescence results and future linac and laser developments for the source are presented. At MeV photon energies relevant for nuclear processes, Compton scattering light sources are attractive because of their relative compactness and improved brightness above 100 keV, compared to typical 4th generation synchrotrons. Recent progress in accelerator physics and laser technology have enabled the development of a new class of tunable Mono-Energetic Gamma-Ray (MEGa-Ray) light sources based on Compton scattering between a high-brightness, relativistic electron beam and a high intensity laser pulse produced via chirped-pulse amplification (CPA). A new precision, tunable gamma-ray source driven by a compact, high-gradient X-band linac is currently under development and construction at LLNL. High-brightness, relativistic electron bunches produced by an X-band linac designed in collaboration with SLAC will interact with a Joule-class, 10 ps, diode-pumped CPA laser pulse to generate tunable [gamma]-rays in the 0.5-2.5 MeV photon energy range via Compton scattering. Based on the success of the previous Thomson-Radiated Extreme X-rays (T-REX) Compton scattering source at LLNL, the source will be used to excite nuclear resonance fluorescence lines in various isotopes; applications include homeland security, stockpile science and surveillance, nuclear fuel assay, and waste imaging and assay. After a brief presentation of successful nuclear resonance fluorescence (NRF) experiments done with T-REX, the new source design, key parameters, and current status are presented.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
We report the design and current status of a monoenergetic laser-based Compton scattering 0.5-2.5 MeV [gamma]-ray source. Previous nuclear resonance fluorescence results and future linac and laser developments for the source are presented. At MeV photon energies relevant for nuclear processes, Compton scattering light sources are attractive because of their relative compactness and improved brightness above 100 keV, compared to typical 4th generation synchrotrons. Recent progress in accelerator physics and laser technology have enabled the development of a new class of tunable Mono-Energetic Gamma-Ray (MEGa-Ray) light sources based on Compton scattering between a high-brightness, relativistic electron beam and a high intensity laser pulse produced via chirped-pulse amplification (CPA). A new precision, tunable gamma-ray source driven by a compact, high-gradient X-band linac is currently under development and construction at LLNL. High-brightness, relativistic electron bunches produced by an X-band linac designed in collaboration with SLAC will interact with a Joule-class, 10 ps, diode-pumped CPA laser pulse to generate tunable [gamma]-rays in the 0.5-2.5 MeV photon energy range via Compton scattering. Based on the success of the previous Thomson-Radiated Extreme X-rays (T-REX) Compton scattering source at LLNL, the source will be used to excite nuclear resonance fluorescence lines in various isotopes; applications include homeland security, stockpile science and surveillance, nuclear fuel assay, and waste imaging and assay. After a brief presentation of successful nuclear resonance fluorescence (NRF) experiments done with T-REX, the new source design, key parameters, and current status are presented.
Author: Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
A Mono-Energetic Gamma-Ray (MEGa-Ray) Compton scattering light source is being developed at LLNL in collaboration with SLAC National Accelerator Laboratory. The electron beam for the Compton scattering interaction will be generated by a X-band RF gun and a X-band LINAC at the frequency of 11.424 GHz. High power RF in excess of 500 MW is needed to accelerate the electrons to energy of 250 MeV or greater for the interaction. Two high power klystron amplifiers, each capable of generating 50 MW, 1.5 msec pulses, will be the main high power RF sources for the system. These klystrons will be powered by state of the art solid-state high voltage modulators. A RF pulse compressor, similar to the SLED II pulse compressor, will compress the klystron output pulse with a power gain factor of five. For compactness consideration, we are looking at a folded waveguide setup. This will give us 500 MW at output of the compressor. The compressed pulse will then be distributed to the RF gun and to six traveling wave accelerator sections. Phase and amplitude control are located at the RF gun input and additional control points along the LINAC to allow for parameter control during operation. This high power RF system is being designed and constructed. In this paper, we will present the design, layout, and status of this RF system.
Author: Pisin Chen Publisher: World Scientific ISBN: 9789812702333 Category : Science Languages : en Pages : 548
Book Description
This proceedings volume of the 3rd International Workshop on Quantum Aspects of Beam Physics, presents the latest advances in beam dynamics. The frontiers of beam research point to increasingly high energy, greater brightness and lower emittance beams with ever-increasing particle species. These demands have triggered a rapidly growing number of beam phenomena that involve quantum effects. In addition to the more established topics, this volume covers topics on high energy-density particle and photon beams for laboratory astrophysics investigations, as well as the application of beam physics expertise to astrophysics studies. Other exciting new topics are the physics of ultra-cold or condensed beams, such as the ''''crystalline beams'''' and the BoseOCoEinstein condensate ''''atom lasers''''. This book will be a valuable source of reference to readers interested in the interdisciplinary frontiers of ''''quantum beam physics'''' that involve beam physics, particle physics, laser science, astrophysics, condensed matter physics, nuclear and atomic physics. The proceedings have been selected for coverage in: . OCo Index to Scientific & Technical Proceedings- (ISTP- / ISI Proceedings). OCo Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings). OCo CC Proceedings OCo Engineering & Physical Sciences."
Author: Pisin Chen Publisher: World Scientific ISBN: 9814481599 Category : Science Languages : en Pages : 541
Book Description
This proceedings volume of the 3rd International Workshop on Quantum Aspects of Beam Physics, presents the latest advances in beam dynamics. The frontiers of beam research point to increasingly high energy, greater brightness and lower emittance beams with ever-increasing particle species. These demands have triggered a rapidly growing number of beam phenomena that involve quantum effects.In addition to the more established topics, this volume covers topics on high energy-density particle and photon beams for laboratory astrophysics investigations, as well as the application of beam physics expertise to astrophysics studies. Other exciting new topics are the physics of ultra-cold or condensed beams, such as the “crystalline beams” and the Bose-Einstein condensate “atom lasers”.This book will be a valuable source of reference to readers interested in the interdisciplinary frontiers of “quantum beam physics” that involve beam physics, particle physics, laser science, astrophysics, condensed matter physics, nuclear and atomic physics.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings)• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)• CC Proceedings — Engineering & Physical Sciences
Author: Takehito Hayakawa Publisher: World Scientific ISBN: 9814635464 Category : Science Languages : en Pages : 379
Book Description
Nuclear nonproliferation is a critical global issue. A key technological challenge to ensuring nuclear nonproliferation and security is the detection of long-lived radioisotopes and fissionable nuclides in a non-destructive manner. This technological challenge requires new methods for detecting relevant nuclides and the development of new quantum-beam sources. For example, one new method that has been proposed and studied is nuclear resonance fluorescence with energy-tunable, monochromatic gamma-rays generated by Compton scattering of laser photons with electrons.The development of new methods requires the help of researchers from a wide range of fields, such as nuclear physics, accelerator physics, laser physics, etc. Furthermore, any new method must be compatible with the requirements of administrators and nuclear-material inspectors.
Author: Pisin Chen Publisher: World Scientific ISBN: 981277744X Category : Science Languages : en Pages : 658
Book Description
Of working group C. Introduction and summary of working group C: part I / J.S.T. Ng -- Contributed papers. Is there emmitted radiation in the Unruh effect? / B.L. Hu and A. Raval -- Fermilab A0 channeling program / R.A. Carrigan, Jr. [and others] -- Integral characteristics of bremsstrahlung and pair photoproduction in a medium / V.N. Baier and V.M. Katkov -- The Coulomb corrections to e+e- pair production in ultrarelativistic heavy-ion collisions / R.N. Lee -- Spin depolarization due to beam-beam interaction in linear colliders / K.A. Thompson -- Gravitational Čerenkov radiation and scalar stars / S. Capozziello, G. Lambiase and D.F. Torres -- D. Quantum methodologies in beam physics. Plenary papers. Supersymmetry and beam dynamics / J.D. Bjorken and P. Chen -- Landau damping in nonlinear Schrödinger equations / R. Fedele [and others] -- Summary of working group D. Quantum methodology in beam physics / A. Dragt and M. Pusterla -- Contributed papers. Controlled stochastic collective dynamics of particle beams in the stability regime / C. Petroni [and others] -- Quantum mechanical formalism of particle beam optics / S.A. Khan -- Localized coherent structures and patterns formation in collective models of beam motion / A. Fedorova and M. Zeitlin -- Quasiclassical calculations for Wigner functions via multiresolution / A. Fedorova and M. Zeitlin -- Single-particle quantum dynamics in a magnetic lattice / M. Venturini and R.D. Ruth -- Quantum-like approach to beam dynamics - application to the LHC and HIDIF projects / M. Pusterla -- Quantum mechanics of Dirac particle beam optics: single-particle theory / R. Jaganathan -- Quantum models in beam physics and signal analysis / M. Manko -- Radiative corrections in symmetrized classical electrodynamics / J.R. Van Meter [and others] -- Beyond Unruh effect: nonequilibrium quantum dynamics of moving charges / B.L. Hu and P.R. Johnson.
Author: Manoel Conde Publisher: American Institute of Physics ISBN: 9780735403789 Category : Science Languages : en Pages : 954
Book Description
This workshop covered the general field of advanced particle accelerators, exploring the science and technology of a multitude of novel acceleration schemes. Various schemes under study utilize combinations of plasmas, laser beams, dielectric materials, and RF power. The development of technologies that will enable the design of future high energy physics machines is the underlying goal of this workshop.
Author: Krzysztof Jakubczak Publisher: BoD – Books on Demand ISBN: 9533074299 Category : Science Languages : en Pages : 322
Book Description
This book addresses topics related to various laser systems intended for the applications in science and various industries. Some of them are very recent achievements in laser physics (e.g. laser pulse cleaning), while others face their renaissance in industrial applications (e.g. CO2 lasers). This book has been divided into four different sections: (1) Laser and terahertz sources, (2) Laser beam manipulation, (3) Intense pulse propagation phenomena, and (4) Metrology. The book addresses such topics like: Q-switching, mode-locking, various laser systems, terahertz source driven by lasers, micro-lasers, fiber lasers, pulse and beam shaping techniques, pulse contrast metrology, and improvement techniques. This book is a great starting point for newcomers to laser physics.
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Author: Pisin Chen
Author: Pisin Chen
Author: Takehito Hayakawa
Author: Pisin Chen
Author: Manoel Conde
Author: Krzysztof Jakubczak