Control of longitudinal collective behavior in the Muon Collider rings

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The longitudinal bunch collective effects in a Muon Collider ring are theoretically examined. The situation involves an intense bunch, a short bunch, a small momentum compaction, a rather large impedance compared with the stability threshold criterion, and luminosity life time limited by muon decay to a thousand turns. Qualitative descriptions of stability are given and a scaling law for the instability threshold is derived. Numerical simulation results for the impedance-related instabilities are given for two cases of current interest - a 250 GeV x 250 GeV demonstration machine and a 2 TeV x 2 TeV high energy machine. The results ... continued below

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6 p.

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Cheng, Wen-Hao; Sessler, A.M. & Turner, W.C. May 1, 1997.

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The longitudinal bunch collective effects in a Muon Collider ring are theoretically examined. The situation involves an intense bunch, a short bunch, a small momentum compaction, a rather large impedance compared with the stability threshold criterion, and luminosity life time limited by muon decay to a thousand turns. Qualitative descriptions of stability are given and a scaling law for the instability threshold is derived. Numerical simulation results for the impedance-related instabilities are given for two cases of current interest - a 250 GeV x 250 GeV demonstration machine and a 2 TeV x 2 TeV high energy machine. The results of these simulations are in good agreement with the predictions of the scaling law and show that the longitudinal collective effects are controllable with a proper choice of parameters (viz. rf voltage, rf frequency, linear and non-linear longitudinal chromaticity).

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6 p.

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INIS; OSTI as DE97054542

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  • 17. IEEE particle accelerator conference, Vancouver (Canada), 12-16 May 1997

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  • Other: DE97054542
  • Report No.: LBNL--40251
  • Report No.: CONF-970503--;CBP-Note--222
  • Grant Number: AC03-76SF00098;FG03-95ER40936
  • Office of Scientific & Technical Information Report Number: 552771
  • Archival Resource Key: ark:/67531/metadc696071

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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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  • May 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 4, 2016, 9:11 p.m.

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Cheng, Wen-Hao; Sessler, A.M. & Turner, W.C. Control of longitudinal collective behavior in the Muon Collider rings, article, May 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc696071/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.