CMS at Fermilab

Harry Cheung

Senior Scientist

Telephone: (630) 840-8628  E-mail: cheung@fnal.gov  Office Location: WH10E

Biography

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Education:

D.Phil: University of Oxford (UK), Physics (1987)
B.A.: University of Oxford (UK), Physics (1984)

Research Interests:

I am an experimentalist in elementary particle physics with broad interests in the field. I currently collaborate on the Compact Muon Solenoid (CMS) experiment operating at the Large Hadron Collider (LHC) at CERN. My present focus is the development and construction of a new CMS endcap calorimeter for the HL-LHC. This High Granularity Calorimeter uses 6 million channels of silicon cells totaling almost 600 square meters to image electromagnetic and hadronic showers in unprecedented detail in 4D.

My research over the years include properties of Charm and Beauty quark particles, matter-anti-matter asymmetry, and searches for evidence of physics beyond the standard model of particle physics. This has involved various particle detector technologies and instrumentation, and the use of new computing hardware and techniques. I wrote tools to use the first high power virtual machines at CERN, optimized distributed computing for analyses on the early PC farms, brought in the use of multidisciplinary statistical methods for event reconstruction, and wrote a multithreaded online program to collect events from one of the first online trigger farms. I have a particular interest in STEM education and head the Fermilab Teachers Research Associates (TRAC) Program for outstanding teachers.

Selected publications:

EMC, J. Ashman et al., Measurement of the Ratios of Deep Inelastic Muon-Nucleus Cross-sections on various nuclei compared to Deuterium, Phys. Lett. B 202 (1988) 603.

J. Cumalat, H. W. K. Cheung, J. Hassed, B. D. Smith, Effects of Magnetic Fields on the Light Yield of Scintillators. Nucl. Instr. Meth. A293, 606 (1990).

FOCUS Collaboration, Measurement of the Ds+ Lifetime, Phys. Rev. Lett. 95, 052003 (2005).

CMS Collaboration, Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC, Phys. Lett. B 716 (2012) 30-61.

CMS Collaboration, Search for heavy neutrinos and W bosons with right-handed couplings in proton-proton collisions at √s=8TeV, Eur. Phys. J. C74 (2014) 11, 3149.