Stopping Muon Beams

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-FG02-07ER84824
Agency Tracking Number: 82809
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2007
Solicitation Year: 2007
Solicitation Topic Code: 31
Solicitation Number: DE-PS02-06ER06-30
Small Business Information
Muons, Inc
552 N. Batavia Ave., Batavia, IL, 60510
DUNS: 117921259
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Rolland Johnson
 (757) 930-1463
Business Contact
 Rolland Johnson
Title: Dr
Phone: (757) 870-6943
Research Institution
Physics experiments often use low-energy beams of unstable particles that stop in a target, in order to provide high sensitivity to rare processes while reducing backgrounds. However, the stopping rate in the target is limited by the kinematics of the production process and by multiple scattering and energy straggling in the material used to slow the particles. In practice, this means that the event rates and sensitivity are limited. Enlarging the target is not an option because this would compromise performance and/or increase the cost of the detector. This project will demonstrate that beam cooling can be used to improve the stopping of muon beams. A six-dimensional beam cooling technique will be developed, and simulation tools will be used to develop designs that can stop many muons in a small volume. As an example, a stopping muon beam design, using a helical cooling channel (HCC), will be developed for a particular experiment to search for the direct conversion of muons to electrons. Commercial Applications and other Benefits as described by the awardee: The use of the HCC for stopping muon beams would provide a new level of sensitivity for experimental physics, allowing the development of muon colliders and neutrino factories. Many applications of intense stopping muon beams, such as spin-resonance investigations and muon-catalyzed fusion, also would benefit.

* information listed above is at the time of submission.

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