Hannsjörg Weber

Assistant Research Professor

Publications

L. Fasselt et al., “Energy calibration through X-ray absorption of the DECAL sensor, a monolithic active pixel sensor prototype for digital electromagnetic calorimetry and tracking”, Front. Phys. 11, 1231336 (2023)

C. Accettura et al., “Towards a Muon Collider”, Eur. Phys. J. C 83 (9), 864  (2023)

P. Allport et al., “DECAL: A Reconfigurable Monolithic Active Pixel Sensor for Tracking and Calorimetry in a 180 nm Image Sensor Process”, Sensors 22 (18), 6848 (2022)

The Tracker Group of the CMS Collaboration, “The CMS Phase-1 Pixel Detector Upgrade”, JINST 16 (02), P02027 (2021)

The CMS Collaboration, “Observation of the production of three massive gauge bosons at √s = 13 TeV”, Phys. Rev. Lett. 125 (15), 151802 (2020) 

The CMS Collaboration, “Search for direct top squark pair production in events with one lepton, jets and missing transverse energy at 13TeV with the CMS experiment”, JHEP 05, 032 (2020)

The CMS Collaboration, “Search for the production of W±W±W∓ events at √s = 13TeV”, Phys. Rev. D 100 (1), 012004 (2019)

The CMS Collaboration, “Searches for supersymmetry using the MT2 variable in hadronic events produced in pp collisions at 8 TeV”, JHEP 05, 078 (2015)

Klarman Hall

316 Physical Sciences Bldg.
haw82@cornell.edu

Education

  •  B.Sc. - ETH Zürich (2009)

  • M.Sc. - ETH Zürich (2009)

  • Dr. sc. - ETH Zürich (2015) 

Departments and programs

Links

David G. Cassel

Professor Emeritus

Publications

  • M. Bott-Bodenhausen, X. de Bouard, D.G. Cassel, D. Dekkers, R. Felst, R. Mermond, I. Savin, P. Scharff, M. Vivargent, T.R. Willitts, and K. Winter, “Time-Dependent Interfer- ence Effects in Two-Pion Decays of Neutral Kaons,” Phys. Lett. 20, 212 (1966).

  • TASSO Collaboration, R. Brandelik et. al., “Evidence for a Spin-1 Gluon in Three Jet Events,” Phys. Lett. B 97, 453 (1980).

  • LAME Collaboration, D.G. Cassel, L.A. Ahrens, K. Berkelman, C.T. Day, B.G. Gibbard, D.J. Harding, D.L. Hartill, J.W. Humphrey, T.J. Killian, J.S. Klinger, J.T. Linnemann, R.A. Perchonok, E.A. Treadwell, and D.H. White, “Exclusive ρ0, ω, and φ Electroproduction,” Phys. Rev. D 24, 2787 (1981).

  • D.G. Cassel, R. DeSalvo, J. Dobbins, J.G.D. Gilchriese, S. Gray, D. Hartill, J. Mueller, D. Peterson, M. Pisharody, and D. Riley, “Design and Construction of the CLEO II Drift Chamber,” Nucl. Instrum. Methods A 252, 325 (1986).
  • A. Dwurazny, W. Krupinski, G. Barbagli, P.G. Pelfer, D.G. Cassel, R. Klanner, U. Kötz, W. Koch, J. Tengeler, and N. Wainer (ZEUS Collaboration), "Experimental Study of Electron-Hadron Separation in Calorimeters," Nucl. Instrum. Methods A 277, 176 (1989).
  • CLEO Collaboration, R. Fulton et. al., "Observation of B-Meson Semileptonic Decays to Noncharmed Final States," Phys. Rev. Lett. 64, 16 (1990).
  • CLEO Collaboration, R. Ammar et. al., “Evidence for Penguin-Diagram Decays: First Observation of B → K∗(892)γ,” Phys. Rev. Lett. 71, 674 (1993).

  • CLEO Collaboration, M. Selen et. al., “Measurement of the D → ππ Branching Fractions,”Phys. Rev. Lett. 71, 1973 (1993).

  • David G. Cassel, "Gail G. Hanson," in Out of the Shadows: Contributions of 20th Century Women to Physics, edited by N. Byers and G. Williams (Cambridge University Press, Cambridge, 2006), pp. 427-439.

  • CLEO Collaboration, J.P. Alexander et. al., “Absolute Measurement of Hadronic Branching Fractions of the D+s Meson,” Phys. Rev. Lett. 100, 161804 (2008).

Klarman Hall

dgcassel@cornell.edu
607/255-3915

Education

  • B.S., 1960, Physics, California Institute of Technology. 
  • M.S., 1962, Physics, Princeton University. 
  • Ph.D., 1965, Princeton University. 

 

Departments and programs

Peter Wittich

Professor and Director, Laboratory of Elementary Particle Physics

Publications

Kalman-Filter-Based Particle Tracking on Parallel Architectures at Hadron Colliders, P. Wittich et al., Submitted to Proceedings for the 2015 IEEE NSS/MIC Conference, San Diego, CA. arXiv:1601.08245

Dark Sectors 2016 Workshop: Community Report, J. Alexander et al., arXiv:1608.08632 (2016).

FPGA-Based Tracklet Approach to Level-1 Track Finding at CMS for the HL-LHC, M. Zientek et al., Proceedings of Connecting the Dots/Intelligen Trackers 2017 Workshop (CTD/WIT 2017) https://doi.org/10.1051/epjconf/201715000016

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC, CMS Collaboration, PLB 716 30 (2012) doi:10.1016/j.physletb.2012.08.021.

Measurement of the charged current interactions produced by 8B solar neutrinos at the Sudbury Neutrino Observatory, SNO Collaboration, Q. R. Ahmad et al., Phys. Rev. Lett. 87, 071301 (2001).

Klarman Hall

397 Physical Sciences Bldg.
wittich@cornell.edu
607/255-3368

Education

  • B.S., 1993, Yale University. 
  • Ph.D., 2000, University of Pennsylvania. 

Departments and programs

Links

Julia Thom-Levy

Professor

Publications

Observation of ttH production, CMS Collaboration with J.Thom, Published in PRL 120, No.23, 231801 (2018)

Evidence for associated production of a Higgs boson with a top quark pair in final states with electrons, muons, and hadronically decaying \tau leptons at sqrt{s} = 13 TeV, CMS Collaboration with J.Thom, published in JHEP 1808, 066 (2018)

Searches for R-parity-violating supersymmetry in pp collisions at √ s=8TeV in final states with 0–4 leptons. V. Khachatryan et al. (CMS Collaboration) Phys. Rev. D 94, 112009 – Published 29 December 2016.

Measurement of the integrated and differential ttbar production cross section for high-pT top quarks in pp collisions at √s= 8 TeV , CMS Collaboration). Apr 30, 2016. 25 pp.  Published in Phys.Rev. D94 (2016) no.7, 072002  CMS-TOP-14-012, CERN-EP-2016-078.

3D IC for Future HEP Experiments J. Thom, et al. 2014. 8 pp., Journal of Instrumentation 9 (2014) 11, C11005

Measurement of Jet Multiplicity Distributions in Top Quark Pair Events at √s = 7 TeV, CMS collaboration, Eur. Phys. J. C74 (2014) 8, 3014

Measurement of the t-tbar production cross section in pp collisions at 7TeV with lepton+jets final states, CMS Collaboration, Physics Letters B 720 (2013) 83.

Klarman Hall

395 Physical Sciences Building
jt297@cornell.edu
607/255-4093

Education

  • Physics Dipl., 1997, Hamburg University. 
  • Ph.D., 2001, Hamburg University.

Departments and programs

Links

Anders Ryd

Professor

Klarman Hall

385 Physical Sciences Bldg.
anders.ryd@cornell.edu
607/255-2529

Education

  • B.S., 1991, University of Lund. 
  • Ph.D., 1996, University of California Santa Barbara. 

Departments and programs

Links

Ritchie Patterson

Helen T. Edwards Professor of Physics

Publications

CMS Collaboration, “Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at sqrt(s) = 13 TeV”, Physical Review D, 104 052011 (2021), DOI: 10.1103/PhysRevD.104.052011

CMS Collaboration, Search for long-lived particles with displaced vertices in multijet events in proton-proton collisions at sqrt(s)=13 TeV, Phys. Rev. D 98, 092011 (2018).

 

 

Klarman Hall

320 Physical Sciences Bldg.
jrp3@cornell.edu
607/255-4374

Education

  • B.A., 1981, Physics, Cornell University. 
  • Ph.D., 1990, Physics, University of Chicago. 

Departments and programs

Links

Lawrence Gibbons

Professor

Klarman Hall

391 Physical Sciences Bldg.
lkg5@cornell.edu
607/255-9931

Education

  • B. A., 1985, University of Chicago
  • Ph.D., 1993, University of Chicago

Departments and programs

Links

Jim Alexander

Professor

Publications

Klarman Hall

318 Physical Sciences Bldg.
jim.alexander@cornell.edu
607/255-5259

Education

  • B.A., 1976, Carleton College. 
  • M.S., 1979, University of Chicago. 
  • PhD., 1984, University of Chicago. 

 

 

Departments and programs

Links

Subscribe to Experimental Elementary Particle Physics