Introduction. Particle Physics at the. University of Victoria. Faculty and Researchers Research Overview. OPAL, BaBar, ATLAS
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1 Introduction to Particle Physics at the University of Victoria M. Lefebvre NSERC Site Visit Faculty and Researchers Research Overview OPAL, BaBar, ATLAS Computing and Infrastructure Future Plans and Goals NSERC Site Visit M. Lefebvre 1
2 Personnel Young active group Internationally recognized research program Faculty: Experimentalists: Keeler, Kowalewski, Lefebvre, Roney, Astbury (Emeritus) Theorists: Picciotto Institute of Particle Physics Fellows McPherson, Sobie Onsite TRIUMF Staff Birney, Hodges, Langstaff, Lenckowski, Walsh Research Associates Onsite: Fincke, Poffenberger CERN: Long, Sbarra Computing Van Uytven Technicians Dowling, Vowles NSERC Site Visit M. Lefebvre 2
3 Faculty R. Keeler (83) PhD UBC 81 Electroweak physics ( UA1, OPAL, ATLAS) IPP Director (elect 2001) (Institute of Particle Physics) Chair Subatomic Physics GSC (-2001) R. Kowalewski (97) PhD Cornell 88 B physics, particle lifetimes, reconstruction software (OPAL, BaBar) M. Lefebvre (91) PhD Cambridge 89 Electroweak physics, Calorimetry (UA2, RD3, ATLAS) Founded ATLAS Canada C. Picciotto (68) PhD UC-Santa Barbara 68 Weak Decay Theory M. Roney (96) Carleton 89 Electroweak, drift chambers and B and tau physics (OPAL, BaBar) A. Astbury (83) PhD Liverpool 61 FRS, FRCS Director of TRIUMF ( ) Emeritus Professor NSERC Site Visit M. Lefebvre 3
4 Adjunct Faculty IPP R. McPherson (97) PhD Princeton 95 Nonstandard Model (OPAL, ATLAS) OPAL Non-SM Searches coordinator OPAL Physics coordinator ( ) Rare Kaon Decays (BNL-E787) Sobie (92) PhD Toronto 84 OPAL, ATLAS OPAL Tau physics coordinator (1998-) Spokesman for Victoria HPSS CFI request $12M Holds IBM SUR Grant ($840,000) TRIUMF Bryman (Jan Warren Chair UBC) Honma (March 1998, CERN Permanent Staff) NSERC Site Visit M. Lefebvre 4
5 New Positions Theorist Assistant Professor tenured track position currently advertised Particle Physics or Particle Astrophysics Pearce Chair soon to be advertised Previously held by A. Astbury We expect to replace Bryman and Honma over the next two years. Both worked closely with UVic CRC Junior Chair request sent to Dean NSERC Site Visit M. Lefebvre 5
6 Research Overview Experimental Program Time Line OPAL data taking is extended until end Oct Analysis will continue for a few years Babar has just started data taking will continue for several years ATLAS is under construction First beam in ~2005 New physics Next Linear Collider Neutrino physics NSERC Site Visit M. Lefebvre 6
7 Research Overview Graduate Students 12 M.Sc. and 9 Ph.D. degrees awarded since NSERC scholarships Presently 5 Ph.D. and 3 M.Sc. students 2 NSERC scholarships, 1 FCAR Recruitment 3 M.Sc. 3 Ph.D. starting in Jan 2001 (1 FCAR) 1 M.Sc. coming in 2001 actively recruiting Quality Two have won the Governor General s gold medal for best thesis at Victoria One is a faculty member at U. of Alberta PDF s at SLAC, DESY, SNO, Carleton, Michigan NSERC Site Visit M. Lefebvre 7
8 Research Funding Research Funding NSERC Operating $786,000 OPAL, BaBar and ATLAS experiments Equipment $960,000 Industrial $4.3M over 7 years (ATLAS Feedthroughs) $840,000 (in kind computers from IBM) CFI & BCKDF (Federal & Provincial) Beowulf cluster award $155,000 Physics and Astronomy HPC award $2.5M University wide NSERC Site Visit M. Lefebvre 8
9 Research Funding Excellent track record for attracting funding HEP Funding at UVic $4,000,000 $3,500,000 $3,000,000 $2,500,000 $2,000,000 $1,500,000 Uvic BC IBM CFI IPP Other NSERC Rare K ATLAS MIG ATLAS BaBar OPAL $1,000,000 $500,000 $ Fiscal Year Operating ~ $700k - $800k per year ATLAS MIG is $4.3M over 7 years Rare K has left (Bryman) IBM $840k grant is for one year only NSERC Site Visit M. Lefebvre 9
10 OPAL McPherson Kowalewski Keeler Roney Sobie Large Detector at the LEP electron-positron Collider at CERN Searching for the Higgs and physics beyond the Standard Model Collect and analyze W pair data from LEP2 Triple Gauge Couplings (substructure) W-tau coupling Analyze precision data from LEP1 (5M events) tau polarization, tau decay branching ratios UVic hosted the 6th Tau Lepton Physics Conference (18-21 Sep ) NSERC Site Visit M. Lefebvre 10 W + W jjjj
11 BaBar Kowalewski Roney Detector for the PEP-II B Factory at SLAC CP Violation in the B system and Precision Measurement CP asymmetry in B meson decays quark mixing (CKM) tau electroweak physics NSERC Site Visit M. Lefebvre 11
12 ATLAS Lefebvre Keeler Sobie Birney Hodges Langstaff MultiPurpose Detector for the Large Hadron Collider at CERN Proton-proton collisions at the energy frontier Understand Electroweak Symmetry Breaking and searches for the Higgs Boson Search for physics beyond the Standard Model (Supersymmetry, compositeness, leptoquarks, technicolour, extra dimensions, new vector bosons,...) Onsite ATLAS Lab NSERC Site Visit M. Lefebvre 12
13 Computing Current and future HEP experiments face real challenges in computing large data sets (ATLAS > 1 Pbyte/year!) OO technology large international collaborations which require large data store distributed data and processing fast links coordination! NSERC Site Visit M. Lefebvre 13
14 Computing Computing Infrastructure and Initiatives Local HEP computers migrating to linux All groups share the computing support costs MUSE (CFI funded 40 node linux PC cluster with 750 Gbytes of disk for HEP) Only Canadian site importing BaBar data We hire a computer science professional to run MUSE 9 HPUX stations 6 linux stations 16 NT stations, 2 Windows 95/98 stations IBM Grant $840k Strong involvement in ATLAS-Canada computing design and planning HPC award University wide HPC Award $2.5M CFI Data Storage Facility request NSERC Site Visit M. Lefebvre 14
15 Infrastructure TRIUMF, National Laboratory supporting accelerator based research Victoria is one of the founding universities Target Design Group located at Victoria Provides Engineering Support for particle physics SLD Calorimeter ATLAS Endcap Hadronic Calorimeter and Feedthroughs Engineering Support Hodges (TRIUMF Engineer) Replacement position advertised Langstaff (TRIUMF Senior Designer ) Lenckowski (TRIUMF Junior Designer ) Birney (TRIUMF Senior Technologist) Walsh (TRIUMF Admin Assistant) Department Machine shop Electronics shop Lab space Science Faculty Glass shop & stores NSERC Site Visit M. Lefebvre 15
16 Particle Physics Group Future Plans and Goals Pursue the most exciting questions in particle physics Maintain a strong and balanced research program data analysis (OPAL, BaBar) data taking (OPAL, BaBar) detector construction (BaBar, ATLAS) phenomenological studies (ATLAS) software development and maintenance computing for HEP, and in particular ATLAS Attract and train graduate students and Research Associates Strengthen our group Theorist faculty position search in progress Fill the Pearce Chair (held previously by A. Astbury) Replace Bryman and Honma CRC Junior Chair request sent to Dean NSERC Site Visit M. Lefebvre 16
17 OPAL Leadership Physics Co-ordinator Elect (2001) (2001) McPherson Searches Working Group Convenor (1997- ) McPherson Tau Physics Coordinator (1998- ) Sobie ( ) Roney OPAL B Physics Coordinator ( ) Kowalewski Responsibilities Online Data Reconstruction The Victoria group designed and built a large computer cluster that has reconstructed every OPAL event within an hour of it being collected It runs year round doing reprocessing It will stop by mid 2001 Run Coordination (McPherson) Zed Chamber Detector Coordination (McPherson) Zed Chamber DAQ maintenance (McPherson) NSERC Site Visit M. Lefebvre 17
18 OPAL Training Research Associates located at CERN Long, Sbarra, (Smith, Deatrich) Graduate Students Degrees Awarded (1991-): 5 M.Sc and 6 Ph.D. In progress: 4 Ph.D. Undergraduate Students NSERC Site Visit M. Lefebvre 18
19 BaBar Leadership Member of BaBar Executive Board (1998-) Roney Chair of BaBar Computing Coordination Board () Kowalewski Responsibilities Hardware Drift chamber QA/QC, maintenance, controls Software Track reconstruction, Beowulf cluster Analysis Lepton ID tools, lepton universality from tau V ub measurement, charmless B decays Training Research Associates (Desilva, Kaufmann) Graduate Students Degrees in progress: 2 M.Sc., 3 to start Ph.D. in Undergraduate Students NSERC Site Visit M. Lefebvre 19
20 Leadership ATLAS LAr DataBase Coordinator (-) Sobie Member of the ATLAS National Computing Board (1999-) Sobie Advisory Committee to the Collaboration Board ( ) Lefebvre ATLAS-Canada Co-Spokesperson ( ) Keeler HEC Chief Engineer (1996-) Hodges Endcap Signal Feedtrough Project Leader LAr Cryostat and Cryogenics Steering Committee LAr Hadronic Endcap Beam Test Software Coordinator (1997-) Lefebvre Responsibilities and Activities Hardware Endcap Signal Feedthroughs (Uvic/TRIUMF) HEC mechanical design (Uvic/TRIUMF) Software Computing for ATLAS-Canada Prototype OO LAr reconstruction code HEC beam test software Analysis Single top (O Neil) Triple Gauge Boson and NLO Generators (Dobbs) HEC beam tests (O Neil, Fortin) NSERC Site Visit M. Lefebvre 20
21 ATLAS Training Research Associates Fincke, Poffenberger, Sbarra (with OPAL and TRIUMF) One new RA in 2001 Graduate Students Degrees Awarded: 3 M.Sc. and 1 Ph.D. In progress: 1 M.Sc. and 1 Ph.D. Technologists (supervisor: Birney) Dowling, Vowles Undergraduate Students NSERC Site Visit M. Lefebvre 21
22 Particle Physics Ph.D. Theses since 1990 I. Lawson, Neutral Kaon Production from One-Prong Tau Decays,. (Sobie, Keeler) D. O Neil, Performance of the ATLAS Hadronic Endcap Calorimeter and The Physics of Electroweak Top Quark Production at ATLAS, (Lefebvre) S. Robertson, A Measurement of the Tau Electronic Branching Ratio, (Sobie, Keeler) S. Richardson, A Study of Some Rare Radiative Meson Decays, (Picciotto) M. Rosvick, Measurement of the Neutral Current in the Standard Model Using the Tau Polarization Asymmetries Determined from the Decay τ - ρ - ν τ, (Keeler) P. Schenk, A Measurement of the Partial Width of the Z 0 Boson into b Quarks and the Forward-Backward Asymmetry in the Reaction e + e - Z 0 bbar, Using Inclusive Electrons, (Astbury) J. Steuerer, Measurement of the Product Branching Ratio f(b Λ b ).BR(Λ b Λl - νbarx), (Astbury) M. Vincter, A Precision Measurement of the Ratio of the Effective Vector to Axial-Vector Couplings of the Weak Neutral Current at the Z 0 Pole, (Keeler) J. White, Testing Lepton Universality using One-Prong Hadronic Tau Decays, (Sobie, Lefebvre) NSERC Site Visit M. Lefebvre 22
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