Backgrounds and detector performance at a 2 x 2 TeV {mu}{sup +}{mu}{sup {minus}} collider

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The rich physics potential of a high-energy high-luminosity {mu}{sup +}{mu}{sup {minus}} collider and the surprising feasibility of a design attract the attention of many people these days. A few issues define the practicality of such a project, with the enormous particle background levels in a detector due to unavoidable reasons holding first place. In contrast to hadron colliders where particle backgrounds come both from interaction point (IP) and accelerator, almost all the backgrounds in the muon collider detectors arise in the machine. The decay length for 2 TeV muons is {lambda}{sub D}{sup {minus}1} {approximately}10{sup {minus}7} m{sup {minus}1}. With 10{sup 12} ... continued below

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13 p.

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Foster, G.W. & Mokhov, N.V. March 1, 1995.

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The rich physics potential of a high-energy high-luminosity {mu}{sup +}{mu}{sup {minus}} collider and the surprising feasibility of a design attract the attention of many people these days. A few issues define the practicality of such a project, with the enormous particle background levels in a detector due to unavoidable reasons holding first place. In contrast to hadron colliders where particle backgrounds come both from interaction point (IP) and accelerator, almost all the backgrounds in the muon collider detectors arise in the machine. The decay length for 2 TeV muons is {lambda}{sub D}{sup {minus}1} {approximately}10{sup {minus}7} m{sup {minus}1}. With 10{sup 12} muons in a bunch one has 10{sup 5} decays per meter in a single pass through an interaction region, and 10{sup 8} decays per meter per 12 msec store. This paper examines two major classes of detector backgrounds presented in the muon collider: beam halo backgrounds, and the {open_quotes}direct{close_quotes} backgrounds from electrons from {mu}{yields}e{nu}{bar {nu}} decay occurring in the beam channel. The authors describe the nature of both of these backgrounds, provide results of first realistic calculations for both sources and discuss their effects on plausible detectors. Various shielding and collimation geometries have been simulated, and their efficacy and the nature of the surviving background discussed.

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13 p.

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INIS; OSTI as DE95009107

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  • 2. workshop on physics potential and development of mu+ mu- colliders, Sausalito, CA (United States), 17-19 Nov 1994

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  • Other: DE95009107
  • Report No.: FNAL/C--95/037
  • Report No.: CONF-9411210--1
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 42482
  • Archival Resource Key: ark:/67531/metadc683235

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  • March 1, 1995

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  • July 25, 2015, 2:20 a.m.

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  • April 1, 2016, 5:14 p.m.

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Foster, G.W. & Mokhov, N.V. Backgrounds and detector performance at a 2 x 2 TeV {mu}{sup +}{mu}{sup {minus}} collider, article, March 1, 1995; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc683235/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.