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Positron Injector Accelerator and RF System for the ILC [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 2007.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
3 pages : digital, PDF file
Additional Creators:
Stanford Linear Accelerator Center, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Due to the extremely high energy deposition from positrons, electrons, photons and neutrons behind the positron target, and because a solenoid is required to focus the large emittance positron beam, the 1.3 GHz preaccelerator has to use normal conducting structures up to energy of 400 MeV. There are many challenges in the design of the normal-conducting portion of the ILC positron injector system such as obtaining high positron yield with required emittance, achieving adequate cooling with the high RF and particle loss heating, and sustaining high accelerator gradients during millisecond-long pulses in a strong magnetic field. Considering issues of feasibility, reliability and cost savings for the ILC, the proposed design for the positron injector contains both standing-wave (SW) and traveling-wave (TW) L-band accelerator structures. A short version of the new type of the SW section is under fabrication and testing. An updated status report is given. This paper also covers acceleration vs. deceleration for pre-accelerator sections, SW vs. TW structures, as well as longitudinal matching from target to linac and linac to damping ring.
Report Numbers:
E 1.99:slac-pub-12412
slac-pub-12412
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
03/28/2007.
"slac-pub-12412"
Contributed to APAC 2007: Asian Particle Accelerator Conference, Indore, India, 29 Jan - 2 Feb 2007.
Miller, R.; Sheppard, J.C.; Wang, J.W.; Li, Z.; Adolphsen, C.; Jongewaard, E.; Bharadwaj, V.; Bowden, G.
Funding Information:
AC02-76SF00515
View MARC record | catkey: 14683765