A Silicon-Tungsten ECal with Integrated Electronics

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We summarize recent R&D progress for a silicon-tungsten electromagnetic calorimeter (ECal) with integrated electronics, designed to meet the ILC physics requirements. A basic physics requirement for ILC detectors is that they provide excellent reconstruction of hadronic final states. This allows access to new physics which is complementary to the LHC. One statement for a requirement on jet reconstruction is that intermediate particles which decay into jets, such as W, Z, or top, can be identified and isolated. This places unprecedented requirements on 2-jet or 3-jet mass resolution, typically at the level of 3-5% using the PFA technique, which makes challenging ... continued below

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4 pages

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Frey, R.; U., /Oregon; Brau, James E.; U., /Oregon; Breidenbach, Martin; /SLAC et al. November 10, 2011.

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Description

We summarize recent R&D progress for a silicon-tungsten electromagnetic calorimeter (ECal) with integrated electronics, designed to meet the ILC physics requirements. A basic physics requirement for ILC detectors is that they provide excellent reconstruction of hadronic final states. This allows access to new physics which is complementary to the LHC. One statement for a requirement on jet reconstruction is that intermediate particles which decay into jets, such as W, Z, or top, can be identified and isolated. This places unprecedented requirements on 2-jet or 3-jet mass resolution, typically at the level of 3-5% using the PFA technique, which makes challenging demands on the calorimeters. The electromagnetic energy resolution is not expected to limit jet resolution using a PFA. However, particle separation - photon-photon and charged hadron-photon - is crucial. In addition, if one provides this kind of imaging calorimeter to meet the PFA needs, these same features will also be put to good use for reconstruction of specific tau decay modes (to enable final-state polarization measurement), to 'track' photons (even if originating from a vertex displaced from the interaction point), to track MIPS, and so forth. Figure 1 and Table 1 provide some context for our ECal design within the SiD detector concept, along with some main design parameters. More detail is included in the presentation.

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4 pages

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  • Journal Name: eConf C0705302:Cal16,2007; Conference: In the Proceedings of 2007 International Linear Collider Workshop (LCWS07 and ILC07), Hamburg, Germany, 30 May - 3 Jun 2007

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  • Report No.: SLAC-PUB-14706
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 1029158
  • Archival Resource Key: ark:/67531/metadc830355

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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.

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  • November 10, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 7, 2016, 9:12 p.m.

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Frey, R.; U., /Oregon; Brau, James E.; U., /Oregon; Breidenbach, Martin; /SLAC et al. A Silicon-Tungsten ECal with Integrated Electronics, article, November 10, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc830355/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.