CERN Accelerating science

CERN Document Server 59 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.60 секунд. 
1.
Measurements of the Secondary Electron Emission from Rare Gases at 4.2K / Bozhko, Y. (CERN) ; Barnard, J. (CERN) ; Hilleret, N. (CERN)
Dependence of the secondary electron yield (SEY) from the primary beam incident energy and the coverage has been measured for neon, argon, krypton and xenon condensed on a target at 4.2K. [...]
arXiv:1302.2334 ; CERN- LHC-VAC 97-XX.
- 2013. - 10 p.
Preprint - Full text
2.
Measurements of the Secondary Electron Emission of Some Insulators / Bozhko, Y. (CERN) ; Barnard, J. (CERN) ; Hilleret, N. (CERN)
Charging up the surface of an insulator after beam impact can lead either to reverse sign of field between the surface and collector of electrons for case of thick sample or appearance of very high internal field for thin films. [...]
arXiv:1302.2333 ; CERN LHC-VAC-97-XX.
- 2013. - 8 p.
Preprint - Full text
3.
Preliminary design for a recirculating induction accelerator for heavy ion fusion / Yu, S S (LLNL, Livermore) ; Barnard, J J (LLNL, Livermore) ; Caporaso, G J (LLNL, Livermore) ; Friedman, A (LLNL, Livermore) ; Hewett, D W (LLNL, Livermore) ; Kirbie, H (LLNL, Livermore) ; Newton, M A (LLNL, Livermore) ; Neil, V K (LLNL, Livermore) ; Paul, A C (LLNL, Livermore) ; Reginato, L L (LLNL, Livermore) et al.
1992 - Published in : Part. Accel.: 37-38 (1992) , pp. 489-492 Fulltext: PDF;
In : International Symposium on Heavy Ion Inertial Fusion, Monterey, CA, USA, 3 - 6 Dec 1990, pp.489-492
4.
Vaccum requirements for heavy ion recirculating induction accelerators / Barnard, J J (LLNL, Livermore) ; Yu, S S (LLNL, Livermore) ; Faltens, A (LBL, Berkeley)
1992 - Published in : Part. Accel.: 37-38 (1992) , pp. 419-428 Fulltext: PDF;
In : International Symposium on Heavy Ion Inertial Fusion, Monterey, CA, USA, 3 - 6 Dec 1990, pp.419-428
5.
Model experiment to search for emittance gain of recirculating heavy ion beam / Lauer, E J (LLNL, Livermore) ; Barnard, J J (LLNL, Livermore) ; Hewett, D W (LLNL, Livermore) ; Kulke, B (LLNL, Livermore) ; Yu, S S (LLNL, Livermore)
1992 - Published in : Part. Accel.: 37-38 (1992) , pp. 301-305 Fulltext: PDF;
In : International Symposium on Heavy Ion Inertial Fusion, Monterey, CA, USA, 3 - 6 Dec 1990, pp.301-305
6.
Envelope model of a heavy-ion recirculator / Sharp, W M (LLNL, Livermore) ; Barnard, j J (LLNL, Livermore) ; Yo, S S (LLNL, Livermore)
1992 - Published in : Part. Accel.: 37-38 (1992) , pp. 205-213 Fulltext: PDF;
In : International Symposium on Heavy Ion Inertial Fusion, Monterey, CA, USA, 3 - 6 Dec 1990, pp.205-213
7.
Development of Practical NDE Methods for Composite Aircraft Structures / Barnard, Daniel J ; Hsu, David K
2006 - Published in : AIP Conf. Proc.: 820 (2006) , pp. 1019-1026 External link: Published version from AIP
In : Quantitative Nondestructive Evaluation, Brunswick, ME, USA, 31 Jul - 5 Aug 2005, pp.1019-1026
8.
Inspecting Composites with Airborne Ultrasound : Through Thick and Thin / Hsu, David K ; Barnard, Daniel J
2006 - Published in : AIP Conf. Proc.: 820 (2006) , pp. 991-998 External link: Published version from AIP
In : Quantitative Nondestructive Evaluation, Brunswick, ME, USA, 31 Jul - 5 Aug 2005, pp.991-998
9.
Beam Energy Scaling of Ion-Induced Electron Yield from K+ Ions Impact on Stainless Steel Surfaces / Kireeff-Covo, Michel ; Baca, David ; Barnard, John J ; Bieniosek, Frank ; Celata, C M ; Cohen, Ronald ; Friedman, Alex ; Grote, D P ; Kwan, Joe W ; Lund, Steven M et al.
The cost of accelerators for heavy-ion inertial fusion energy (HIF) can be reduced by using the smallest possible clearance between the beam and the wall from the beamline. This increases beam loss to the walls, generating ion-induced electrons that could be trapped by beam space charge potential into an "electron cloud," which can cause degradation or loss of the ion beam [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.2287
10.
Experiments Studying Desorbed Gas and Electron Clouds in Ion Accelerators / Molvik, Arthur ; Baca, David ; Barnard, John J ; Bieniosek, Frank ; Celata, C M ; Cohen, Ronald ; Covo, Michel K ; Friedman, Alex ; Lund, Steven M ; Seidl, Peter et al.
Electron clouds and gas pressure rise limit the performance of many major accelerator rings. We are studying these issues experimentally with ~1 MeV heavy-ion beams, coordinated with significant efforts in self-consistent simulation and theory.* The experiments use multiple diagnostics, within and between quadrupole magnets, to measure the sources and accumulation of electrons and gas. [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.194

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