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arxiv: hep-ex/0208012 · v1 · submitted 2002-08-09 · ✦ hep-ex · physics.ins-det

Development of a Momentum Determined Electron Beam in the 1 -45 GeV Range

V.A. Batarin , J. Butler , A.A. Derevschikov , Yu.V. Formin , V. Frolov , V.N. Grishin , V.A. Kachanov , V.Y. Khodyrev
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A.S. Konstantinov V.I. Krasvtsov Y. Kubota V.M. Leontiev V.A. Maisheev Ya.A. Matulenko A.P. Meschanin Y.M. Melnick N.G. Minaev V.V. Mochalov D.A. Morozov L.V. Nogach P.A. Semenov K.E. Shestermanov L.F. Soloviev V.L. Solovianov S. Stone M.N. Ukhanov A.V. Uzunian A.N. Vasiliev A.E. Yakutin J. Yarba
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classification ✦ hep-ex physics.ins-det
keywords beamacceleratorelectronmomentumrangeresolutionsetupable
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A beam line for electrons with energies in the range of 1 to 45 GeV, low contamination of hadrons and muons and high intensity up to 10^6 per accelerator spill at 27 GeV was setup at U70 accelerator in Protvino, Russia. A beam tagging system based on drift chambers with 160 micron resolution was able to measure relative electron beam momentum precisely. The resolution sigma_p p was 0.13% at 45 GeV where multiple scattering is negligible. This test beam setup provided the possibility to study properties of lead tungstate crystals (PbWO_4) for the BTeV experiment at Fermilab.

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