Pressurized RF Cavities for Muon Ionization Cooling

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$100,000.00
Award Year:
2002
Program:
STTR
Phase:
Phase I
Contract:
DE-FG02-02ER86145
Award Id:
56945
Agency Tracking Number:
70255B02-I
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
552 N. Batavia Avenue, Batavia, IL, 60510
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Rolland Johnson
(757) 930-1463
roljohn@aol.com
Business Contact:
Linda Even
(630) 879-0721
lle452b@aol.com
Research Institution:
Illinois Institute of Technology
Peters Jerry
3300 South Federal Street
Chicago, IL, 60616

Nonprofit college or university
Abstract
70255 Ionization cooling, a method for shrinking the size of a particle beam, is an essential technique for future particle accelerators that use muons. In particular, future muon colliders and neutrino factories will require high voltage radio frequency (RF) cavities for ionization cooling. Unlike any previous particle accelerator, muon beams in an ionization cooling channel must be accelerated through an energy absorbing material. This project will develop very high voltage RF cavities by filling them with cold, pressurized helium or hydrogen gas, which also acts as the energy absorber, to suppress high-voltage breakdown. Phase I will build an RF test cell suitable for testing the breakdown characteristics of gases that would be used in ionization cooling applications. The test cell will allow the exploration of Paschen¿s Law, relating breakdown voltages to gas density, over a range of temperatures, pressures, external magnetic fields, and ionizing particle radiation. Commercial Applications and Other Benefits as described by the awardee: The estimated cost of the ionization-cooling component of each muon collider or neutrino factory is roughly $350 million. This technology would allow the voltage of the RF cavities used in these applications to be significantly increased, which would lead to a correspondingly shorter cooling channel and smaller cost.

* information listed above is at the time of submission.

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