Willis K. Sakumoto Senior Scientist
(and Senior Laboratory Engineer)
Experimental High Energy Physics
Fermilab MS 318
(630) 840-8431; Rochester Secretary (585) 275-5306
Fermilab: (630) 840-2968; Rochester: (585) 273-3237
Biographical SketchWillis K. Sakumoto received his B.S. in Physics (1972) from the Illinois Institute of Technology, and his Ph.D. in Physics (1983) from the Northwestern University. He was a postdoctoral associate at Rochester from 1984-1990, promoted to Senior Research Associate in 1990, and appointed Senior Laboratory Engineer and Senior Scientist in 2003. Sakumoto co-managed the production and installation of the CDF Run II end plug hadron calorimeter upgrade with senior scientists Howard Budd and Pawel de Barbaro (1992-1996). He has also served as co-convenor of CDF's Top/Electroweak Physics Group (2001-2003).
ResearchSakumoto's research interest is in the field of Experimental High Energy Physics. His research interests are in the physics of W's, Z's and dileptons at CDF and in neutrino physics (CCFR/NuTeV). At CDF, Sakumoto is concurrently serving as a co-leader of the CDF Calorimetry Operations and Reconstruction Group that manages the day-to-day operations of all CDF calorimeters and as an Subsystem Project Leader (SPL) of CDF's Run II plug calorimeter system (Mar 2001 - now). Sakumoto's current physics interests at CDF are in the dynamics of Drell-Yan production W and Z bosons and their leptonic decays, and in the measurement of the top quark mass at proton-antiproton colliders. His physics analyses are focused on Drell-Yan electron and muon pair production in the Z-boson resonance region: studies on QED radiative corrections to the process; measurement of the transverse momentum cross section of e+e- pairs in the Z-boson mass region of 66 - 116 GeV/c2; measurements of the rapidity (y) and total Z cross sections of e+e- pairs with full rapidity coverage via the inclusion of forward pairs; and measurements of the e+e- differential mass distribution and the forward-backward decay asymmetry of those pairs.
For a SLAC/SPIRES List of Sakumotos's publications click (here for full list)
- A PRECISE DETERMINATION OF ELECTROWEAK PARAMETERS IN NEUTRINO NUCLEON SCATTERING (CCFR/NuTeV).
NuTeV Collaboration (G.P. Zeller et al.)
Phys.Rev.Lett. 88, 091802 (2002)
( abstract | download )
- Measurement of d sigma / dM forward backward charge asymmetry for high mass Drell-Yan e+ e- pairs from p anti-p collisions at s**(1/2) =1.8-TeV (CDF).
CDF Collaboration (T. Affolder et al.)
Phys.Rev.Lett. 87, 131802 (2001)
( abstract | download )
- STUDIES OF THE RESPONSE OF THE PROTOTYPE CMS HADRON CALORIMETER, INCLUDING MAGNETIC FIELD EFFECTS, TOPION, ELECTRON, AND MUON BEAMS. (CMS)
CMS-HCAL Collaboration (V.V. Abramov et al.).
Nucl.Instrum.Meth. A457, 75 (2001)
( abstract | download)
click ( here for citation summary format )
For further details and CV, go to Sakumoto's home page at: http://www.pas.rochester.edu/~willis/
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