منابع مشابه
A Parasitic Electron Be 2 W and Tagged Photon Beam
A parasitic electron beam facility has been developed at the Mark III linear accelerator, Stanford University. The beam has been used both for physics experiments and for counter and spark chamber tests, even though the beam intensity is very low. A tagged photon beam was installed as part of the facility. A description of the two beams and a short discussion of the applications of these beams ...
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Attenuation by coherent pair production in highly oriented compression annealed pyrolytic graphite has been used to polarize a 16 GeV bremsstrahlung beam. Graphite pieces of total volume 0.95 X 0.95 X 5.1 cm3 were assembled in watercooled precision holders. Eighteen of these units were mounted in two independent coaxial assemblies. Each assembly provided precision angular orientation with respe...
متن کاملHigh Energy Photon Colliders. *
Using the laser backscattering method at future linear colliders one can obtain γγ and γe colliding beams (photon colliders) with energy and luminosity comparable to that in ee collisions. This option has been included in the pre-conceptual designs of linear colliders and in work on a Technical Design Report which is in progress. The physics motivation for photon colliders is quite clear. The p...
متن کاملPhysics at High Energy Photon Photon Colliders
I review the physics prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking. This work was supported by the Director, Office of Energy Research, Office of High Energy and Nuclear Physics, D...
متن کاملA comparison of methods for monitoring photon beam energy constancy
In extension of a previous study, we compared several photon beam energy metrics to determine which was the most sensitive to energy change; in addition to those, we accounted for both the sensitivity of each metric and the uncertainty in determining that metric for both traditional flattening filter (FF) beams (4, 6, 8, and 10 MV) and for flattening filter-free (FFF) beams (6 and 10 MV) on a V...
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research
سال: 1983
ISSN: 0167-5087
DOI: 10.1016/0167-5087(83)90252-1