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First observation of luminosity-driven extraction using channeling with a bent crystal

R. A. Carrigan, Jr., D. Chen, G. Jackson, N. Mokhov, and C. T. Murphy

S. I. Baker

S. A. Bogacz, D. Cline, S. Ramachandran, J. Rhoades, and J. Rosenzweig

A. Aseev and V. Biryukov

A. Taratin

J. A. Ellison

A. Khanzadeev, Y. Prokofieva, V. Samsonov, and G. Solodov

B. Newberger

E. Tsyganov

H.-J. Shih

W. Gabella

B. Cox, V. Golovatyuk, and A. McManus

  • Fermi National Accelerator Laboratory, Batavia, Illinois 60510

  • Argonne National Laboratory, Argonne, Illinois 60439

  • University of California at Los Angeles, Los Angeles, California 90024

  • Institute for High Energy Physics, Serpukhov, Russia

  • Joint Institute for Nuclear Research, Dubna, Russia

  • The University of New Mexico, Albuquerque, New Mexico 87131

  • Petersburg Nuclear Physics Institute, Gatchina, Russia

  • The University of Texas, Austin, Texas 78712

  • The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75235

  • Superconducting Super Collider, Dallas, Texas 75237

  • Vanderbilt University, Nashville, Tennessee 37235

  • The University of Virginia, Charlottesville, Virginia 22901

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Phys. Rev. ST Accel. Beams 1, 022801 – Published 26 June, 1998

DOI: https://doi.org/10.1103/PhysRevSTAB.1.022801

Abstract

Luminosity-driven channeling extraction has been observed for the first time using a 900 GeV circulating proton beam at the superconducting Fermilab Tevatron. The extraction efficiency was found to be about 30%. A 150 kHz beam was obtained during luminosity-driven extraction with a tolerable background rate at the collider experiments. A 900 kHz beam was obtained when the background limits were doubled. This is the highest energy at which channeling has been observed.

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References (14)

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Phys. Rev. ST Accel. Beams 1, 022801– Published 26 June, 1998
  • Received 2 September 1997
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