First beam tests of prototype silicon modules for the CMS High Granularity Endcap Calorimeter

N. Akchurin, A. Apreysan, S. Banerjee, D. Barney, B. Bilki, A. Bornheim, J. Bueghly, S. Callier, V. Candelise, Y. H. Chang, Y. W. Chang, Rajdeep M Chatterjee, K. Y. Cheng, C. H. Chien, E. Curras Rivera, C. De La Taille, J. Eckdahl, E. Frahm, N. Frank, J. FreemanD. Gawerc, Z. Gecse, C. Ginghu, H. Gonzalez, T. Hawke, J. Incandela, S. Jain, Shilpi Jain, H. R. Jheng, M. Jonas, O. Kara, R. Khurana, G. Kopp, A. Kumar, S. Kunori, C. M. Kuo, S. Kyre, D. Lazic, B. Li, H. Liao, R. Lipton, L. Linssen, A. Lobanov, R. S. Lu, A. Maier, G. Majumder, M. Mannelli, A. Martelli, L. Mastrolorenzo, T. Mengke, M. Miller, M. Moll, J. Morant, T. Mudholkar, N. Odell, E. Paganis, M. Paulini, C. Pena, P. Petiot, L. Pezzotti, F. Pitters, A. Pozdnyakov, H. Prosper, A. Psallidas, T. Quast, R. Quinn, F. Romeo, A. Roy, P. Rubinov, Roger W Rusack, E. Sicking, A. Steen, M. Sun, I. Tarasov, D. Thienpont, E. Tiras, T. Virdee, F. Wang, M. Weinberg, D. White, S. Xie, S. S. Yu, H. Zhang, Z. Zhang

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The High Luminosity phase of the Large Hadron Collider will deliver 10 times more integrated luminosity than the existing collider, posing significant challenges for radiation tolerance and event pileup on detectors, especially for forward calorimetry. As part of its upgrade program, the Compact Muon Solenoid collaboration is designing a high-granularity calorimeter (HGCAL) to replace the existing endcap calorimeters. It will feature unprecedented transverse and longitudinal readout and triggering segmentation for both electromagnetic and hadronic sections. The electromagnetic section and a large fraction of the hadronic section will be based on hexagonal silicon sensors of 0.5-1 cm2 cell size, with the remainder of the hadronic section being based on highly-segmented scintillators with silicon photomultiplier readout. The intrinsic high-precision timing capabilities of the silicon sensors will add an extra dimension to event reconstruction, especially in terms of pileup rejection. First hexagonal silicon modules, using the existing Skiroc2 front-end ASIC developed for CALICE, have been tested in beams at Fermilab and CERN in 2016. We present results from these tests, in terms of system stability, calibration with minimum-ionizing particles and resolution (energy, position and timing) for electrons, and the comparisons of these quantities with GEANT4-based simulation.

Original languageEnglish (US)
Article numberP10023
JournalJournal of Instrumentation
Volume13
Issue number10
DOIs
StatePublished - Oct 18 2018

Bibliographical note

Funding Information:
aInsitute for High Energy Physics, Beijing, China bLaboratoire Leprince-Ringuet, Palaiseau, France cOrganization for Microelectronics design and Applications (OMEGA), Palaiseau, France dSaha Institute of Nuclear Physics, Kolkata, India eTata Institute for Fundamental Research, Bombay, India fUniversity of Pavia, Pavia, Italy gCERN, Geneva, Switzerland hNational Central University, Chung-Li, Taiwan iNational Taiwan University, Taipei, Taiwan jCukurova University, Adana, Turkey kImperial College of Science, Technology and Medicine, London, U.K. lBoston University, Boston, U.S.A. mCalifornia Insitute of Technology, Pasadena, U.S.A. nCarnegie Mellon University, Pittsburg, U.S.A. oFermi National Accelerator Laboratory, Batavia, U.S.A. pFlorida State University, Tallahassee, U.S.A. qNorthwestern University, Evanston, U.S.A.

Publisher Copyright:
© 2018 CERN for the benefit of the CMS collaboration..

Keywords

  • Calorimeters
  • Large detector systems for particle and astroparticle physics
  • Performance of High Energy Physics Detectors
  • Si microstrip and pad detectors

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