LC HCAL Absorber And Active Media Comparisons Using a Particle-Flow Algorithm

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We compared Stainless Steel (SS) to Tungsten (W) as absorber for the HCAL in simulation using single particles (pions) and a Particle-Flow Algorithm applied to e{sup +}e{sup -} -> Z -> qqbar events. We then used the PFA to evaluate the performance characteristics of a LC HCAL using W absorber and comparing scintillator and RPC as active media. The W/Scintillator HCAL performs better than the SS/Scintillator version due to finer {lambda}{sub I} sampling and narrower showers in the dense absorber. The W/Scintillator HCAL performs better than the W/RPC HCAL except in the number of unused hits in the PFA. Since ... continued below

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5 pages

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Magill, Steve; /SLAC, /Argonne; Kuhlmann, S. & /Argonne November 15, 2006.

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We compared Stainless Steel (SS) to Tungsten (W) as absorber for the HCAL in simulation using single particles (pions) and a Particle-Flow Algorithm applied to e{sup +}e{sup -} -> Z -> qqbar events. We then used the PFA to evaluate the performance characteristics of a LC HCAL using W absorber and comparing scintillator and RPC as active media. The W/Scintillator HCAL performs better than the SS/Scintillator version due to finer {lambda}{sub I} sampling and narrower showers in the dense absorber. The W/Scintillator HCAL performs better than the W/RPC HCAL except in the number of unused hits in the PFA. Since this represents the confusion term in the PFA response, additional tuning and optimization of a W/RPC HCAL might significantly improve this HCAL configuration.

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5 pages

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  • In the Proceedings of 2005 International Linear Collider Workshop (LCWS 2005), Stanford, California, 18-22 Mar 2005

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  • Report No.: SLAC-PUB-12203
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 895277
  • Archival Resource Key: ark:/67531/metadc879886

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  • November 15, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 29, 2016, 6:24 p.m.

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Magill, Steve; /SLAC, /Argonne; Kuhlmann, S. & /Argonne. LC HCAL Absorber And Active Media Comparisons Using a Particle-Flow Algorithm, article, November 15, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc879886/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.