Assistant Professor, Department of Physics and Astronomy
University of Nebraska-Lincoln

Research:
Experimental high-energy particle physics, at the moment focused on the top quark and its weak interactions. Current projects:
o The D0 experiment at the Fermi National Accelerator Laboratory (FNAL) in Batavia, IL. This experiment is currently taking data, and will until at least 2009. Students starting soon will do their thesis work here. http://www-d0.fnal.gov/
o The CMS experiment at CERN in Geneva, Switzerland. This experiment is in the design and construction phase, and will start taking data in 2007 (we hope). http://cms.cern.ch/

At UNL, I collaborate on these projects with faculty members Dan Claes, Aaron Dominguez, and Greg Snow. In the past, I've worked on:

o The CDF experiment, also at FNAL (1989-1992 and 1997-2004). http://www-cdf.fnal.gov/ My final project there was a measurement of the branching fraction for the (highly favored) final state Wb. We published a paper on this in Physical Review Letters. I served as convenor of the lepton-plus-jets subgroup of the top-physics group for a year and a half, and as the leader of the muon-software project for two and a half years. Years earlier, as an undergraduate, I wrote a senior thesis on data taken in 1988-89, a measurement of the cross section for Drell-Yan production of electron pairs with small invariant mass.
o The CLEO experiment at Cornell's Laboratory for Elementary-Particle Physics (1992-1997). http://www.lns.cornell.edu/public/CLEO/ My PhD thesis was on a complete characterization of the decay B->Dlnu using newfangled neutrino-reconstruction techniques.

Follow

2000

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Direct Measurement of the W Boson Width in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Limits on Light Gravitino Production and New Processes with Large Missing Transverse Energy in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of b-Quark Fragmentation Fractions in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of J/ψ and ψ(2S) Polarization in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of sin 2β from BJKs0 with the CDF detector, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the Decay Amplitudes of B0JK*0 and Bs0J/ψφ Decays, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the differential dijet mass cross section in pp̅ collisions at √s =1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the Helicity of W Bosons in Top Quark Decays, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Production of ϒ(1S) Mesons from χb Decays in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for a Fourth-Generation Quark More Massive than the Z0 Boson in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for New Particles Decaying to tt̅ in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for Scalar Top and Scalar Bottom Quarks in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for Scalar Top Quark Production in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for Second and Third Generation Leptoquarks Including Production via Technicolor Interactions in pp̅ Collisions at √s = 1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for the charged Higgs boson in the decays of top quark pairs in the eτ and μτ channels at √s =1.8 TeV, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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System Architecture and Hardware Design of the CDF XFT Online Track Processor, S. Holm, J.R. Dittman, J. Freeman, R. Klein, J.D. Lewis, T.M. Shaw, T. Wesson, C. Ciobanu, J. Gerstenslager, J. Hoftiezer, R. Hughes, M. Johnson, P. Koehn, C. Neu, C. Sanchez, B.L. Winer, Kenneth A. Bloom, D. Gerdes, J.W. Dawson, and W.N. Haberichter

1999

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Measurement of B0-B̅0 flavor oscillations using jet-charge and lepton flavor tagging in pp̅ collisions at √s =1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of ZT0 and Drell-Yan production cross sections using dimuons in p̅p collisions at √s =1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for Bs0-B̅s0, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for New Particles Decaying to bb̅ in pp̅ Collisions at √s = 1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for Third-Generation Leptoquarks from Technicolor Models in pp̅ Collisions at √s = 1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Kinematics of tt̅ events at CD, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of b quark fragmentation fractions in the production of strange and light B mesons in pp̅ collisions at √s =1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the Bd0d0 oscillation frequency using dimuon data in pp̅ collisions at √s =1.8TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the Top Quark Mass with the Collider Detector at Fermilab, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for a Technicolor ωT Particle in Events with a Photon and a b-Quark Jet at Fermilab, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for R-Parity Violating Supersymmetry Using Like-Sign Dielectrons in pp̅ Collisions at √s = 1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the B00 oscillation frequency using l-D*+ pairs and lepton flavor tags, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for the Flavor-Changing Neutral Current Decays B+→ μ+μ-K+ and B0→ μ+μ-K*0, T. Affolder, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Online Track Processor for the CDF Upgrade, C. Ciobanu, J. Gerstenslager, J. Hoftiezer, R. Hughes, M. Johnson, P. Koehn, C. Neu, C. Sanchez, B.L. Winer, J. Freeman, S. Holm, J.D. Lewis, T. Shaw, T. Wesson, Kenneth A. Bloom, D. Gerdes, J.W. Dawson, and W.N. Haberichter

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Measurement of the mass splittings between the bb̅χb,J(1P) states, K.W. Edwards, Kenneth A. Bloom, and CLEO Collaboration

1998

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Events with a Rapidity Gap between Jets in p̅p Collisions at √s = 630 GeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for Higgs Bosons Produced in Association with a Vector Boson in pp̅ Collisions at √s = 1.8 TeV, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Search for the Decays Bs0,Bd0 → e±μ± and Pati-Salam Leptoquarks, F. Abe, Kenneth A. Bloom, and Collider Detector at Fermilab Collaboration

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Measurement of the branching fractions of Λc+pK̅n (π), M.S. Alam, Kenneth A. Bloom, and CLEO Collaboration

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Hadronic transitions Υ(2S)→Υ(1S), J.P. Alexander, Kenneth A. Bloom, and CLEO Collaboration

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Measurement of the total cross section for e+e-→hadrons at √s=10.52 GeV, R. Ammar, Kenneth A. Bloom, and CLEO Collaboration

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First Search for CP Violation in Tau Lepton Decay, S. Anderson, Kenneth A. Bloom, and CLEO Collaboration

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Measurement of B(D0K-π+) Using Partial Reconstruction of D*+X- ν̅, M. Artuso, Kenneth A. Bloom, and CLEO Collaboration

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Radiative decay modes of the D0 meson, D.M. Asner, Kenneth A. Bloom, and CLEO Collaboration

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First Observation of the Cabibbo Suppressed Decay B+0K+, M. Athanas, Kenneth A. Bloom, and CLEO Collaboration

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Observation of the Radiative Decay D*+D+γ, J. Bartelt, Kenneth A. Bloom, and CLEO Collaboration

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Two-Body B Meson Decays to η and η′: Observation of B→η′K, B.H. Behrens, Kenneth A. Bloom, and CLEO Collaboration

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Observation of B+→ωK+ and Search for Related B Decays Modes, T. Bergfeld, Kenneth A. Bloom, and CLEO Collaboration

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Search for the decay BDs1+(2536)X, M. Bishai, Kenneth A. Bloom, and CLEO Collaboration

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New limits for neutrinoless tau decays, D.W. Bliss, Kenneth A. Bloom, and CLEO Collaboration

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Continuum charged D* spin alignment at √s =10.5 GeV, G. Brandenburg, Kenneth A. Bloom, and CLEO Collaboration

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Observation of High Momentum η′ Production in B Decays, T.E. Browder, Kenneth A. Bloom, and CLEO Collaboration

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Improved measurement of the pseudoscalar decay constant fDs, M. Chada, Kenneth A. Bloom, and CLEO Collaboration

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Search for Inclusive bsl+l-, S. Glenn, Kenneth A. Bloom, and CLEO Collaboration

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Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer, J. Gronberg, Kenneth A. Bloom, and CLEO Collaboration

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Measurement of the branching ratios for the decays of Ds+ to ηπ+, η′π+, ηρ+, and η′ρ+, C.P. Jessop, Kenneth A. Bloom, and CLEO Collaboration

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Search for color-suppressed B hadronic decay processes at the Υ(4S) resonance, B. Nemati, Kenneth A. Bloom, and CLEO Collaboration

1997

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Determination of the Michel parameters and the τ neutrino helicity in τ decay, J.P. Alexander, Kenneth A. Bloom, and CLEO Collaboration

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A Measurement of the Michel Parameters in Leptonic Decays of the Tau, R. Ammar, Kenneth A. Bloom, and CLEO Collaboration

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Study of the Decay τ-→2π-π+0ντ, S. Anderson, Kenneth A. Bloom, and CLEO Collaboration

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Search for the Decays B0D (*)+D (*)-, D.M. Asner, Kenneth A. Bloom, and CLEO Collaboration

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Observation of the Decay Ds+ → ωπ+, R. Balest, Kenneth A. Bloom, and CLEO Collaboration

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First Observation of τ→3πηντ and τ→ f1πντ Decays, T. Bergfeld, Kenneth A. Bloom, and CLEO Collaboration

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Analyses of D+KS0K+ and D+KS0π+, M. Bishai, Kenneth A. Bloom, and CLEO Collaboration

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Search for Neutrinoless τ Decays Involving π0 or η Mesons, G. Bonvicini, Kenneth A. Bloom, and CLEO Collaboration

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New upper limit on the decay η→e+e-, T.E. Browder, Kenneth A. Bloom, and CLEO Collaboration

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Search for neutrinoless τ decays: τ→eγ and τ→μγ, K.W. Edwards, Kenneth A. Bloom, and CLEO Collaboration

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Search for the decay τ-→4π-+0τ, K.W. Edwards, Kenneth A. Bloom, and CLEO Collaboration

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Inclusive decays BDX and BD*X, L. Gibbons, Kenneth A. Bloom, and CLEO Collaboration

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Limit on the Two-Photon Production of the Glueball Candidate fJ(2220) at the Cornell Electron Storage Ring, R. Godang, Kenneth A. Bloom, and CLEO Collaboration

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Measurement of the Decay Amplitudes and Branching Fractions of BJK* and BJK Decays, C.P. Jessop, Kenneth A. Bloom, and CLEO Collaboration