INTERACTION OF A 24 GEV PROTON BEAM IWHT A MUON COLLIDER MERCURY JET TARGET EXPERIMENTAL RESULTS AND THERMODYNAMIC ASSESSMENT.

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A muon collider or a neutrino factory based on a muon storage ring require intense beams of muons that can be generated by a 1-4 MW proton beam incident on a moving target inside a 20-T solenoid magnet, with a mercury jet as a preferred example. This paper addresses the thermodynamic interaction of the intense proton beam with the proposed mercury jet target, and the consequences of the generated pressure waves on the target integrity. Specifically, a 24 GeV proton beam with approximately 16 TP (1 TP = 10{sup 12} protons) per pulse and a pulse length of 2 ns ... continued below

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8 pages

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SIMOS,N.; KIRK,H.; FINFROCK,C.; GREENE,G.; LUDEWIG,H.; MCDONALD,K. et al. November 11, 2001.

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Description

A muon collider or a neutrino factory based on a muon storage ring require intense beams of muons that can be generated by a 1-4 MW proton beam incident on a moving target inside a 20-T solenoid magnet, with a mercury jet as a preferred example. This paper addresses the thermodynamic interaction of the intense proton beam with the proposed mercury jet target, and the consequences of the generated pressure waves on the target integrity. Specifically, a 24 GeV proton beam with approximately 16 TP (1 TP = 10{sup 12} protons) per pulse and a pulse length of 2 ns will interact with a 1 cm diameter mercury jet within the 20-Tesla magnetic field. In one option, a train of six such proton pulses is to be delivered on target within 2 {micro}s, in which case the state of the mercury jet following the interaction with each pulse is critical. Using the equation of state for mercury from the SESAME library, in combination with the energy deposition rates calculated the by the hadron interaction code MARS, the induced 3-D pressure field in the target is estimated. The consequent pressure wave propagation and attenuation in the mercury jet is calculated using a transient analysis based on finite element modeling, and the state of the mercury jet at the time of arrival of the subsequent pulse is assessed. Issues associated with the use of a liquid metal jet as a target candidate are addressed. Lastly, some experimental results from the BNL E951 experiment are presented and discussed.

Physical Description

8 pages

Notes

INIS; OSTI as DE00791765

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  • ANS WINTER MEETING, NUCLEAR APPLICATION IN THE NEW MILLENIUM 2001, RENO, NV (US), 11/11/2001--11/15/2001

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  • Report No.: BNL--68963
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 791765
  • Archival Resource Key: ark:/67531/metadc741744

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  • November 11, 2001

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  • Oct. 19, 2015, 7:39 p.m.

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  • Nov. 9, 2015, 9:50 p.m.

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SIMOS,N.; KIRK,H.; FINFROCK,C.; GREENE,G.; LUDEWIG,H.; MCDONALD,K. et al. INTERACTION OF A 24 GEV PROTON BEAM IWHT A MUON COLLIDER MERCURY JET TARGET EXPERIMENTAL RESULTS AND THERMODYNAMIC ASSESSMENT., article, November 11, 2001; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc741744/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.