Zobrazeno 1 - 10
of 59
pro vyhledávání: '"C.T. Roche"'
Autor:
E. Heighway, T. Stratton, R. Shafer, C.T. Roche, T. Dombeck, F.O. Bellinger, M. Rosing, R. Bos, B. Blind, S. McGehee, G. A. Sawyer, P. Meades, F. Brumwell, D. Gilpatrick, D. Flicker, Andrew J. Jason, A.H. Novick, C.T. Mottershead, T.J. Yule, Peter Clout, R.B. Walton, J. E. Simmons, R. Hardekopf, C.L. Fink, R. Christian, R.J. McKee, M. Zander, Mary A. Fuka, C. Hummer
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 312:397-414
An expanding telescope constructed by Los Alamos National Laboratory was installed at Argonne National Laboratory to produce a low divergence, 50 MeV H − beam. The telescope with a twenty times magnification consisted of a singlet eyepiece and trip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0641dc5aa9b8549ff2de4db1feabce4e
https://doi.org/10.1016/0168-9002(92)90188-a
https://doi.org/10.1016/0168-9002(92)90188-a
Publikováno v:
IEEE Transactions on Magnetics. 27:1532-1535
An experimental program is being conducted to assess the applicability of high-T/sub c/ superconductors for use in high-power RF and microwave devices. The program involves the measurement of the RF surface resistance of high-T/sub c/ samples at freq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0ea785ec9d528211940f426b9587694
https://doi.org/10.1109/20.133475
https://doi.org/10.1109/20.133475
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 295:1-4
A niobium resonant cavity optimized for phase velocity β 0 = 0.15 was constructed based on a coaxial quarter-wave geometry adapted for high-brightness ion beams. This cavity, which resonates at 400 MHz in the fundamental mode, operated at an average
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2000e6861cec9ed0d7da339d21e2af4
https://doi.org/10.1016/0168-9002(90)90414-2
https://doi.org/10.1016/0168-9002(90)90414-2
Publikováno v:
Journal of Superconductivity. 3:243-250
We report measurements of the r.f. surface resistance of a wide variety of high-Tc superconductors in bulk form and as films on silver substrates. Several apparatuses have been constructed and used for measurements at frequencies from 0.15 to 40 GHz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b23a900baf50415f3b74f4002cfff62
https://doi.org/10.1007/bf00625264
https://doi.org/10.1007/bf00625264
Publikováno v:
Review of Scientific Instruments. 61:2207-2210
A coaxial niobium quarter‐wave resonant cavity has been fabricated and used for measurement of the surface resistance of disk‐shaped samples of high‐Tc superconductors at 820 MHz and 4.2 K, and at surface rf magnetic fields ranging to 300 G. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::201a4dc4c1bb32cb863983ede58e49fe
https://doi.org/10.1063/1.1141390
https://doi.org/10.1063/1.1141390
Publikováno v:
Proceedings of the 1989 IEEE Particle Accelerator Conference, . 'Accelerator Science and Technology.
Video imaging systems consisting of scintillators, charge-coupled device (CCD) cameras, and in-beam CCD detectors are being used to characterize beams at the Argonne National Laboratory (ANL) 50 MeV H/sup -/ beamline. The characterization technique c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b2106eaa432a2a08e5d8c1fecfcdab5
https://doi.org/10.1109/pac.1989.72854
https://doi.org/10.1109/pac.1989.72854
Autor:
F.O. Bellinger, M. Rosing, C.T. Roche, T.J. Yule, F. R. Brumwell, A.H. Novick, C. Hummer, C.L. Fink
Publikováno v:
Proceedings of the 1989 IEEE Particle Accelerator Conference, . 'Accelerator Science and Technology.
The Neutral Particle Beam Test Stand (NPBTS) provides a versatile facility for scientific and engineering studies on large-diameter, low-divergence neutral and charged particle beams. It consists of a linac that accelerates H/sup -/ atoms to 50 MeV a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00ceb7f5ed013a615f908723c49d5093
https://doi.org/10.1109/pac.1989.73151
https://doi.org/10.1109/pac.1989.73151
Publikováno v:
Proceedings of International Conference on Particle Accelerators.
Superconducting linacs may be a viable option for high-current applications such as fusion materials irradiation testing, spallation neutron source, transmutation of radioactive waste, tritium production, and energy production. These linacs must run
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2237c5e2b024b8425f7c2ecd8312b8f
https://doi.org/10.1109/pac.1993.309108
https://doi.org/10.1109/pac.1993.309108
Publikováno v:
Conference Record of the 1991 IEEE Particle Accelerator Conference.
It is noted that recent experimental and analytical results in the areas of resonator geometry and beam physics are very encouraging for superconducting high-current ion accelerators. Niobium resonators fabricated for high-brightness ion acceleration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11583420e842ca7147421f367a6729ae
https://doi.org/10.1109/pac.1991.164993
https://doi.org/10.1109/pac.1991.164993
Autor:
H. Piel, Courtlandt L. Bohn, S. Orbach, E. R. Gray, A.M. Portis, G. Müller, Paul N. Arendt, Matthias Hein, Jean Delayen, D. W. Cooke, Nigel Klein, C.T. Roche
Publikováno v:
Applied Physics Letters. 58:307-309
The increase in the microwave surface resistance Rs of high Tc superconductors at elevated microwave power levels is reported for both oriented and unoriented Tl‐based films as a function of rf magnetic field at 820 MHz and 18 GHz. The application
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09a25be88c2a2445f05413c1ca80ee8f
https://doi.org/10.1063/1.104670
https://doi.org/10.1063/1.104670