Gamma-Ray Production in a Storage Ring Free-Electron Laser

Litvinenko, Vladimir; Burnham, B.; Emamian, M.; Hower, N.; Madey, J. M. J.; Morcombe, P.; O’Shea, P.G.; Park, S. H.; Sachtschale, R.; Straub, K. D.; Swift, G.; Wang, P.; Wu, Y.; Canon, R. S.; Howell, C. R.; Roberson, N. R.; Schreiber, Eric; Spraker, M.; Tornow, W.; Weller, H. R.; Pinayev, I.; Gavrilov, N.G.; Fedotov, M. G.; Кулипанов, Г.Н.; Kurkin, G.Ya.; Mikhailov, S.; Popik, V. M.; Skrinsky, A.N.; Винокуров, Н.А.; Norum, B.; Lumpkin, A.H.; Yang, B. X.

doi:10.1103/physrevlett.78.4569

Cited by 195 publications

(74 citation statements)

References 11 publications

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“…The availability of high intensity polarized γ sources [104] made it possible to measure semiexclusive reactions with a linearly polarized incoming γ beam and even with a polarized 3 He target. Due to the polarization of the incoming γ's and/or of the 3 He target, the energy spectrum of the outgoing nucleon taken at a particular polar lab angle θ depends on the azimuthal angle φ, leading to an asymmetry of the measured cross sections.…”

Section: The Observablesmentioning

confidence: 99%

Electron and photon scattering on three-nucleon bound states

et al. 2005

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A big spectrum of processes induced by real and virtual photons on the 3 He and 3 H nuclei is theoretically investigated through many examples based on nonrelativistic Faddeev calculations for bound and continuum states. The modern nucleon-nucleon potential AV18 together with the threenucleon force UrbanaIX is used. The single nucleon current is augmented by explicit π-and ρ-like two-body currents which fulfill the current continuity equation together with the corresponding parts of the AV18 potential. We also employ the Siegert theorem, which induces many-body contributions to the current operator. The interplay of these different dynamical ingredients in the various electromagnetic processes is studied and the theory is compared to the experimental data.Overall we find fair to good agreement but also cases of strong disagreement between theory and experiment, which calls for improved dynamics. In several cases we refer the reader to the work of other groups and compare their results with ours. In addition we list a number of predictions for observables in different processes which would challenge this dynamical scenario even more stringently and systematically.

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Section: The Observablesmentioning

confidence: 99%

Electron and photon scattering on three-nucleon bound states

et al. 2005

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“…1. The features of the ELI-NP gamma beam are well beyond the available beams at the currently running facilities around the world, such as HIγS [9], NewSUBARU LCS [10] or AIST-LCS [11].…”

Section: The Gamma Beam System At Eli-npmentioning

confidence: 99%

“…The NRF experiments envisaged to be carried out at ELI-NP are aiming at playing into the very qualities that differentiate the ELI-NP GBS from other facilities [9][10][11]. The high intensity and low energy bandwidth over a large energy range allow to run experiments on highly enriched targets or rare isotopes, such as studying the photoresponse of weakly abundant p-nuclei.…”

Section: Nuclear Resonance Fluorescencementioning

confidence: 99%

Nuclear physics with advanced brilliant gamma beams at ELI–NP

Filipescu

Gheorghe

et al. 2016

EPJ Web of Conferences

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Abstract. The Extreme Light Infrastructure -Nuclear Physics facility is dedicated to nuclear physics studies with the use of extreme electromagnetic radiation. One of the main research system to be installed and operated in the facility is an outstanding high brilliance gamma beam system. The Gamma Beam System of ELI-NP will produce intense, quasi-monochromatic gamma beams via inverse Compton scattering of short laser pulses on relativistic electron beam pulses. The gamma beams available at ELI-NP will allow for the performance of photo-nuclear reactions aiming to reveal the intimate structure of the atomic nucleus. Nuclear Resonance Fluorescence, photo-fission, photo-disintegration reactions above the particle threshold will be used to study the dipole response of nuclei, the structure of the Pygmy resonances, nuclear processes relevant for astrophysics, production and study of exotic neutron-rich nuclei.

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“…[15]) provides a new γ-ray source with a MeV energy range [16][17][18]. These γ-rays are generated by Compton scattering of relativistic electrons by laser photons.…”

Section: Introductionmentioning

confidence: 99%

“…These γ-rays are generated by Compton scattering of relativistic electrons by laser photons. The National Institute of Advanced Industrial Science and Technology [16] and Duke Free Electron Laser Laboratory at Duke University [18] have provided the Laser Compton scattering (LCS) γ-rays in the MeV energy range. Recently, a new LCS γ-ray source was installed at an electron storage ring NewSUBARU [19] in SPring-8.…”

Section: Introductionmentioning

confidence: 99%

Half-life of ¹⁸⁴Re populated by photodisintegration reaction with Laser Compton scattering γ-rays at NewSUBARU

Hayakawa

Miyamoto

Hayashi

et al. 2007

Nd2007

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Abstract. We report a half-life of the ground state of 184 Re populated by the 185 Re(γ,n) 184 Re reaction with the Laser Compton scattering γ-rays generated through relativistic engineering. The γ rays are provided at the electron storage ring NewSUBARU. The half-life of the 3 − ground state of 184 Re, 38.0±0.5 d, has been taken as a recommended value, which was measured using deuteron-induced reactions. However, this half-life may include a possible contribution from the 8 + isomer (T 1/2 = 169±8 d) of 184 Re since the presence of the isomer was not known at that time. In contrast, the (γ,n) reaction has the advantage to selectively populate the ground state because this reaction does not bring large angular momentum. The measured half-life of 35.4 ± 0.7 d is shorter than the previous half-life by about 7%. This difference is crucial for applications using the activation method.

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Gamma-Ray Production in a Storage Ring Free-Electron Laser

Cited by 195 publications

References 11 publications

Electron and photon scattering on three-nucleon bound states

Electron and photon scattering on three-nucleon bound states

Nuclear physics with advanced brilliant gamma beams at ELI–NP

Half-life of ¹⁸⁴Re populated by photodisintegration reaction with Laser Compton scattering γ-rays at NewSUBARU

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Gamma-Ray Production in a Storage Ring Free-Electron Laser

Cited by 195 publications

References 11 publications

Electron and photon scattering on three-nucleon bound states

Electron and photon scattering on three-nucleon bound states

Nuclear physics with advanced brilliant gamma beams at ELI–NP

Half-life of 184Re populated by photodisintegration reaction with Laser Compton scattering γ-rays at NewSUBARU

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Product

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Half-life of ¹⁸⁴Re populated by photodisintegration reaction with Laser Compton scattering γ-rays at NewSUBARU