A ROTATING METAL BAND TARGET FOR PION PRODUCTION AT MUON COLLIDERS.

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Description

A conceptual design is presented for a high power pion production target for muon colliders that is based on a rotating metal band. Three candidate materials are considered for the target band: inconel alloy 718, titanium alloy 6Al-4V grade 5 and nickel. A pulsed proton beam tangentially intercepts a chord of the target band that is inside a 20 Tesla tapered solenoidal magnetic pion capture channel similar to designs previously considered for muon colliders and neutrino factories. The target band has a radius of 2.5 meters and is continuously rotated at approximately 1 m/s to carry heat away from the ... continued below

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28 pages

Creation Information

KING,B.J.; SIMOS,N.; WEGGEL,R.V. & MOKHOV,N.V. January 18, 2002.

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Description

A conceptual design is presented for a high power pion production target for muon colliders that is based on a rotating metal band. Three candidate materials are considered for the target band: inconel alloy 718, titanium alloy 6Al-4V grade 5 and nickel. A pulsed proton beam tangentially intercepts a chord of the target band that is inside a 20 Tesla tapered solenoidal magnetic pion capture channel similar to designs previously considered for muon colliders and neutrino factories. The target band has a radius of 2.5 meters and is continuously rotated at approximately 1 m/s to carry heat away from the production region and through a water cooling tank. The mechanical layout and cooling setup of the target are described, including the procedure for the routine replacement of the target band. A rectangular band cross section is assumed, optionally with I-beam struts to enhance stiffness and minimize mechanical vibrations. Results are presented from realistic MARS Monte Carlo computer simulations of the pion yield and energy deposition in the target and from ANSYS finite element calculations for the corresponding shock heating stresses. The target scenario is found to perform satisfactorily and with conservative safety margins for multi-MW pulsed proton beams.

Physical Description

28 pages

Notes

OSTI as DE00791768

Source

  • MUON COLLIDERS AT THE HIGH ENERGY FRONTIER, SIX MONTH FEASIBILITY STUDY, SNOWMASS, CO (US), 10/01/2000--04/01/2001

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  • Report No.: BNL--68959
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 791768
  • Archival Resource Key: ark:/67531/metadc743128

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  • January 18, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • Nov. 9, 2015, 2:25 p.m.

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KING,B.J.; SIMOS,N.; WEGGEL,R.V. & MOKHOV,N.V. A ROTATING METAL BAND TARGET FOR PION PRODUCTION AT MUON COLLIDERS., article, January 18, 2002; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc743128/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.