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High efficiency muon beam

Description: Aspects of muon beams pertinent to the establishment of an effective nucleon structure facility are discussed and a preliminary design for such a beam at NAL is advanced. The optical properties, duty factor and proton beam source are already able to be sharply specified, but the pion and muon transports need more work to be optimal. It is already clear, however, that efficiency gains of at least 20 can be made and probably- factors of 50 or even 100 are not impossible. Beam/halo ratios can probably be raised to 14: 1 with proper spoilers. Most important of all, the effective beam time can be raised an order of magnitude over present prospects by establishing a separate source of protons for a muon beam by means of a split or pulsed switch in the present neutrino beam time. (auth)
Date: September 1, 1973
Creator: Kirk, T.
Partner: UNT Libraries Government Documents Department

Report on Los Alamos Pion Facility (LAMPF)

Description: The status of LAMPF is reviewed, and the experimental areas are briefly discussed. The experimental areas include the Energetic Pion Channel and Spectrometer (EPICS), Low- Energy Pion Channel (LEP), Stopped Muon Channel, Pion and Particle Physics Channel (P/sup 3/), Nucleon Physics Laboratory (NPL), High- Resolution Proton Spectrometer (HRS), Nuclear Chemistry, and the Neutrino Facility. (WHK)
Date: September 1, 1973
Creator: Crowe, K.M.
Partner: UNT Libraries Government Documents Department

Targets for high-resolution studies with heavy-ion reactions

Description: Target problems in heavy ion reaction studies are discussed, including non-uniformity in thickness effects and the inability to fully compensate for reaction-site effects, both problems becoming more serious the heavier the ion. For the non-uniformity effects, the flatness of the target is very critical. Other problems not yet solved are beam-spot heating and the buildup of carbon. (PMA)
Date: January 1, 1975
Creator: Erskine, J.R.
Partner: UNT Libraries Government Documents Department

On-line computer facility and operating system COSACS at the ANL fast neutron generator

Description: An on-line/off-line computer system has been dnstalled at the ANL fast neutron generator (FNG) for on-line data acquisition and storage, and for off- line data reduction and evaluation. An operating system called COSACS has been written specifically for the installation. The present report describes all available hardware and software, but emphasizes those aspects of both that were tailored for this application. The various physicaldata channels, both input and output, are discussed with regard to transfer rates, bit formats, and interrupt control. The general relationship and areas of compatibility of COSACS with standard compilers and assemblers are discussed. A complete tabulation is given of operations available under COSACS, together with their input/output formats. (auth)
Date: August 1, 1973
Creator: Poenitz, W.P. & Whalen, J.F.
Partner: UNT Libraries Government Documents Department

Experimental investigation of a superconducting niobium X-band deflecting cavity and suggestions for the design of the deflectors for a superconducting rf beam separator at NAL

Description: Design considerations for a deflecting cavity intended for a superconducting rf beam separator at NAL are reviewed. The design parameters given are based on an investigation of a 7-cell niobium test deflector operating at 8.665 GHz. Peak magnetic field of 740 G, corresponding to a peak electric field of 25 MV/m, and an equivalent deflecting field of 6.9 MV/m were obtained. (auth)
Date: September 12, 1973
Creator: Aggus, J.; Bauer, W.; Giordano, S.; Hahn, H. & Halama, H.J.
Partner: UNT Libraries Government Documents Department