A modular optics design for the NuMI beamline

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The Nu MI beamline discussed here is a modular optics design, characterized by 4 sections: MI {yields} beamline matching; periodic FODO cells; a special insertion to traverse the carrier pipe, and a versatile final focus section to produce the desired spot-size on the target. The use of 21 quadrupoles ensures that beam size is constrained within acceptable bounds throughout the line--{beta} < 60 m in the MI matching section & FODO cells, {beta} < 125 m in the doublets of the carrier pipe insertion, and {beta} < 100 m in the final focus. Lattice functions of the NuMI design are ... continued below

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738 Kilobytes pages

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Johnstone, John A. July 23, 2002.

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Description

The Nu MI beamline discussed here is a modular optics design, characterized by 4 sections: MI {yields} beamline matching; periodic FODO cells; a special insertion to traverse the carrier pipe, and a versatile final focus section to produce the desired spot-size on the target. The use of 21 quadrupoles ensures that beam size is constrained within acceptable bounds throughout the line--{beta} < 60 m in the MI matching section & FODO cells, {beta} < 125 m in the doublets of the carrier pipe insertion, and {beta} < 100 m in the final focus. Lattice functions of the NuMI design are not unusually sensitive to errors arising either from MI optical mismatches or gradient errors, and are completely correctable through the 2 matching sections. Aperture studies indicate that the line is able to transport the worst quality beam that the Main Injector might provide. Dipole correctors at 19 of the 21 focusing centers are available to provide high-quality orbit control & further ensure that the NuMI line meets the stringent requirements for environmental protection.

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738 Kilobytes pages

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  • Other Information: PBD: 23 Jul 2002

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  • Report No.: FERMILAB-TM-2174
  • Grant Number: AC02-76CH03000
  • DOI: 10.2172/797448 | External Link
  • Office of Scientific & Technical Information Report Number: 797448
  • Archival Resource Key: ark:/67531/metadc742273

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 23, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • April 1, 2016, 4:18 p.m.

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Johnstone, John A. A modular optics design for the NuMI beamline, report, July 23, 2002; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc742273/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.