Wade Fisher

Associate Professor of Physics Michigan State University

  • East Lansing MI

Wade Fisher is an expert in the field of high energy physics, or particle physics.

Contact

Michigan State University

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Biography

Wade Fisher's research is in the field of high energy physics, which is the study of the most basic building blocks of the universe and the fundamental forces through which they interact. This field is also commonly known as elementary particle physics. Scientists working in this field explore the most fundamental questions about the nature of our universe. He performs his research at the highest energy particle accelerators in the world along with colleagues from both MSU and around the world. In particular, his work focuses on understanding the physical mechanisms that explain why matter has mass. While mass and its interaction with gravity is the most clear indication that forces exist, the mystery of why particles have mass at all and why observed particle masses span such a great range remains a major focus in high energy physics. He also has interests in extentions to our current theoretical models that predict new, heavy gauge bosons (eg, W-/Z-prime models).

Industry Expertise

Writing and Editing
Education/Learning
Research

Areas of Expertise

Beyond Standard Model Physics
Machine Learning
Higgs Boson
Particle Physics
Physics
Statistical Inference

Education

Princeton University

Ph.D.

Physics

2004

University of Minnesota

B.S.

Physics & Math

2000

Journal Articles

Search for direct production of charginos, neutralinos and sleptons in final states with two leptons and missing transverse momentum in pp collisions at s√ = 8TeV with the ATLAS detector

Journal of High Energy Physics

2014
Searches for the electroweak production of charginos, neutralinos and sleptons in final states characterized by the presence of two leptons (electrons and muons) and missing transverse momentum are performed using 20.3 fb−1 of proton-proton collision data at s√ = 8 TeV recorded with the ATLAS experiment at the Large Hadron Collider. No significant excess beyond Standard Model expectations is observed. Limits are set on the masses of the lightest chargino, next-to-lightest neutralino and sleptons for different lightest-neutralino mass hypotheses in simplified models. Results are also interpreted in various scenarios of the phenomenological Minimal Supersymmetric Standard Model.

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Performance of the ATLAS Trigger System in 2010

The European Physical Journal C

2012
The LHC is designed with a maximum bunch crossing rate of 40 MHz and the ATLAS trigger system is designed to record approximately 200 of these per second. The trigger system selects events by rapidly identifying signatures of muon, electron, photon, tau lepton, jet, and B meson candidates, as well as using global event signatures, such as missing transverse energy. An overview of the ATLAS trigger system, the evolution of the system during 2010 and the performance of the trigger system components and selections based on the 2010 collision data are shown. A brief outline of plans for the trigger system in 2011 is presented.

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Combined search for the standard model Higgs boson decaying to a bb pair using the full CDF data set

CDF Collaboration

2012
We combine the results of searches for the standard model Higgs boson based on the full CDF Run II data set obtained from sqrt(s) = 1.96 TeV p-pbar collisions at the Fermilab Tevatron corresponding to an integrated luminosity of 9.45/fb. The searches are conducted for Higgs bosons that are produced in association with a W or Z boson, have masses in the range 90-150 GeV/c^2, and decay into bb pairs. An excess of data is present that is inconsistent with the background prediction at the level of 2.5 standard deviations (the most significant local excess is 2.7 standard deviations).

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