T. Rinckel

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We describe two new beamlines for radiation effects research at the Indiana University Cyclotron Facility. Protons with energies up to 205 MeV are available. One of the beamlines offers momentum selected beams at energies as low as 52 MeV. Beam characteristics such as transmission, energy, energy spread and lateral profile are described and compared to(More)
Indiana University is operating a Low Energy Neutron Source which provides cold neutrons for material research and neutron physics and MeV energy for the neutron radiation effects studies. Neutrons are being produced by a 13 MeV proton beam incident on a Beryllium target. The LENS Proton Delivery System (PDS) is routinely operating at 13 MeV and 25 mA at(More)
The National Science Foundation has recently approved funding for LENS (the low energy neutron source) at Indiana University and construction of this facility has begun. LENS represents a new paradigm for economically introducing neutron scattering into a university or industrial setting. In this design, neutrons are produced in a long-pulse (1 ms) mode(More)
The SPIN Collaboration and the DESY Polarization Team have studied the possible acceleration of a polarized proton beam to 820 GeV/c in the HERA accelerator complex at DESY. The main problems which need further study are: increasing the accumulated polarized proton intensity, providing adequate spin stability with four or more Siberian snakes in HERA. All(More)
The Low Energy Neutron Source (LENS) at Indiana University uses a novel design for a neutron source that is suitable for operation on a university or industrial scale. The source is based on (p,nx) reactions in Be and it will operate in a long-pulse mode with a cryogenic moderator optimized for long-wavelength performance. It is being constructed to fulfill(More)
The analyzing power for proton-carbon elastic scattering in the Coulomb-nuclear interference region of momentum transfer, 9.0x10(-3)<-t<4.1x10(-2) (GeV/c)(2), was measured with a 21.7 GeV/c polarized proton beam at the Alternating Gradient Synchrotron of Brookhaven National Laboratory. The ratio of hadronic spin-flip to nonflip amplitude, r(5), was obtained(More)
The Low Energy Neutron Source (LENS) is based on Be(p,xn) reactions at proton energy up to 13 MeV. Its novel design employs a cylindrical light water reflector/moderator surrounding the Be target primary neutron source and a solid CH4 cold neutron moderator downstream from the Be target that is coupled to the reflector. The design of the(More)
LENS produced its first neutrons almost 10 years ago and has now entered a steady state of operations with particular focus on the educational and instrumentation innovation aspects of its mission. Key elements in the facility’s success over the last decade have been the alignment of its mission with the objectives of a number of major neutron sources and(More)
A synchrotron has been constructed at the Indiana University Cyclotron Facility (IUCF) to inject 100 to 200 MeV protons into an electron cooled storage ring to perform nuclear physics experiments. The maximum synchrotron extraction is greater than 10 protons in a 20-ns wide pulse with a 1-Hz pulse repetition rate. These properties make it possible to(More)