1/14/05 NSF Site Review: Overview 1
University of Chicago Experimental HEP Group
(NSF supported)
Overview
• Physics: past, present, future
• Training students
• Electronics Development Group
• Service to HEP community
• Support from the university
M. Shochet
1/14/05 NSF Site Review: Overview 2
Faculty• During past 10 years: 7 faculty members
Blucher, Frisch, Kim, Merritt, Oreglia, Pilcher, Shochet, Winstein
Winstein → cosmology 2001
Kim → Chicago 2003
1/14/05 NSF Site Review: Overview 3
History of Chicago NSF group: experiments• Current faculty & Winstein (led most experiments)
– Inclusive highPT particle production @ FNAL
• 2 experiments; parton scattering
– Observation of KL→+ @ ZGS
• Serious puzzle solved
– Study of direct production @ FNAL• 2 experiments by 2 groups
• Continuum, resonances
– Study of dilepton production in hadron collisions @ FNAL• 3 experiments by 2 groups
• Parton scattering; PDFs
– Direct CP violation @ FNAL• Series of experiments over > 2 decades
• Origin of CP ; many other related measurements
– Early search for oscillations @ FNAL• If m2 had been really large, …
1/14/05 NSF Site Review: Overview 4
– Hadronic production of charm @ FNAL• Using prompt muons
– Search for magnetic monopoles• SQUIDS, scalable to large areas
– Search for atoms in KL decay @ FNAL
• Anomalous interactions
• Retired faculty; → particle astrophysics– Search for →e @ Los Alamos
• Lepton flavor violation
– Deep inelastic scattering @ FNAL• Nucleon structure functions
– High energy air showers• CASA
1/14/05 NSF Site Review: Overview 5
Physics Questions1. What is the source of Electroweak Symmetry Breaking?
– W & top masses, Higgs searches, top properties
2. What is the source of the matter/antimatter asymmetry?• K, , (B)
3. What is the basic structure of space-time?• Closely related to force unification & naturalness
• SUSY, extra dimensions, ?
1/14/05 NSF Site Review: Overview 6
Recent Work: ATLAS, CDF, KTeV, OPAL• OPAL:
– Detector: EM presampler, precision detector
– Analysis: Higgs searches, precision tests of SM, beyond SM searches
– Leadership: Physics & Run Coordinators, physics group conveners
W Mass fermiphobic Higgs SM Higgs
WW→qql H→ H→
1/14/05 NSF Site Review: Overview 7
• KTeV: (NSF)– Detector: CsI calorimeter, trigger, DAQ
– Analysis: /, neutral K parameters, form factors, Vus
– Leadership: spokesperson (2)
f+(0)|Vus|
1/14/05 NSF Site Review: Overview 8
• CDF:– Detector: level 1 & 2 triggers, Silicon Vertex Trigger (SVT), CEM
timing, drift chamber TDC, data quality monitor
– Analysis: top & W properties, new phenomena searches, b/c studies
– Leadership: co-spokesperson (2), physics group conveners
+ ET tt cross section top mass
(extra dimensions)
1/14/05 NSF Site Review: Overview 9
• ATLAS:– Detector: hadron calorimeter, calorimeter reconstruction software,
future hardware track trigger
– Leadership: Collaboration Board chair, US Institutional Board chair (2), combined performance working group coordinator (2)
Barrel Calorimeter calorimeter resolution jet reconstruction
12/04 2004 testbeam optimizing layer weights
1/14/05 NSF Site Review: Overview 10
Newer Efforts• Braidwood Reactor Experiment:
– Leadership: co-spokesperson
• Linear Collider– Leadership: American Linear Collider Physics Group co-chair
1/14/05 NSF Site Review: Overview 11
Near Future• ATLAS: (physics questions 1, 3)
– Commissioning detector; preparing for 1st data; track trigger proposal
• CDF: (physics questions 1, 3, (2))– Complete upgrades; physics analysis
• KTeV: (physics question 2)– Complete physics analysis
• Braidwood: (physics question 2)– Prepare full proposal
• Linear Collider: (physics questions 1, 3, 2(?))– Physics implications for detector and accelerator
1/14/05 NSF Site Review: Overview 12
Scientific Personnel
Undergraduates:– Typically 5-10 during the school year
– During summer, REU students also join
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1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Year
Faculty
Senior Staff
Postdocs
Grad Students
1/14/05 NSF Site Review: Overview 13
Student Training• Graduate students get broad training.
– Physics analysis
– Almost all students gain significant hardware experience.• Calorimeters
• Tracking devices
• Most frequently: electronics– E-Shop as teaching tool
– Sophisticated modern CAD tools
– Design, simulate, prototype, debug, production, monitoring & maintenance
• Undergraduates do significant research– Detectors & analysis
1/14/05 NSF Site Review: Overview 14
Recent Departures• Postdocs
– Kara Hoffman → Maryland faculty– Sasha Glazov → staff scientist at DESY– Taka Maruyama → Tsukuba faculty– Maria Spiropulu → staff scientist at CERN– Bruce Knuteson → MIT faculty– Bill Ashmanskas → Fermilab scientist (post Cornell faculty, …)
• Graduate students– Francesco Spano → CERN Fellow– Colin Bown → University of Texas Applied Research Laboratory– Pedro Amaral → CERN Fellow– Val Prasad (FNAL Dissertation Award) → Yale postdoc
• Undergraduate students (a few examples)– Peter Onyisi: APS Apker Award– Matt Baumgart: Goldwater Scholarship, Marshall→Cambridge– Abby Kaboth: Goldwater Scholarship
1/14/05 NSF Site Review: Overview 15
More training• Seminars
– Monday afternoon formal HEP seminar: weekly in academic year
– Monday informal lunch HEP seminar: weekly during most of the year
– Theory: Wednesday seminar
– Cosmology: Wednesday seminar, Friday informal lunch seminar
– Astrophysics: Wednesday colloquium
– Enrico Fermi Institute mini-symposia (incl. run II, SUSY, dark matter)
– Physics Department: Thursday colloquium
• Colleagues– Experimental HEP (DOE): Yau Wah
– Accelerator physics: Kwang-Je Kim
– Particle astrophysics: Juan Collar, Jim Cronin, Dietrich Muller, Simon Swordy
– Cosmology: John Carlstrom, Stephen Meyer, Clem Pryke, Bruce Winstein
– Theory: Sean Carrroll, Jeff Harvey, Rocky Kolb, David Kutasov, Joe Lykken, Emil Marinec, Jon Rosner, Sav Sethi, Mike Turner, Carlos Wagner
1/14/05 NSF Site Review: Overview 16
Electronics Development Group• Critical to all of our experiments over the past >30 years.
– ATLAS: TileCal front end, track trigger
– CDF: run I & II trigger, SVT, TDC’s
– KTeV: trigger electronics
– OPAL: preshower front end, monitor readout
• Developed very powerful CAD system– Full simulation at the chip, board, multi-board levels
• Signal propagation on PC traces including EM cross talk
– We have had tools that Fermilab couldn’t afford to purchase.
– No blue wires!
– Won a number of awards from Mentor Graphics for board design
• Teaching: Student/postdoc works under engineer’s guidance.
• Projects in support of others:– Ex: CDF Level-2 upgrade: Fermilab responsibility, led by postdoc.
• MAGIC imaging Cherenkov telescopes for -ray astronomy (Canary Islands)
1/14/05 NSF Site Review: Overview 17
Service to HEP Community• Many lab, project, university, funding agency, & NRC
visiting committees, panels, subpanels– U.S., CERN, DESY
• National & international conference organizing committees
• Journal editorial boards
• DPF Executive Committee, APS committees
• Future international projects– US Linear Collider Steering Committee
– Muon Technical Advisory Committee
1/14/05 NSF Site Review: Overview 18
University Support• Fermi-McCormick Fellowships
• Facilities – computer room improvements for Tier 2 & GRID, KTeV clean room,
OPAL & ATLAS high-bay areas
• Seed funds – E-Shop CAD system, ATLAS TileCal & software development,
Braidwood site evaluation
• Running E-Shop as a recharge operation
• Distinguished Visiting Professors – including experimentalists– Past: V. Fitch, D. Kleppner, D. Wilkinson
– In the coming year: W. Marciano, L. DiLella
• Fast computer network– In HEP & fiber optic connection to Argonne/Fermilab
• Renovated space for HEP group
1/14/05 NSF Site Review: Overview 19
Summary• Group with a strong record of research and training
• Scientific leadership in all of our activities
• Current & future activities addressing important questions in elementary particle physics
• Outreach activities in K-12, university, and community (Mark Oreglia)