University of Chicago Experimental HEP Group (NSF supported) 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 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 NSF Site Review: Overview

3. History of Chicago NSF group: experiments • Current faculty & Winstein(led most experiments) • Inclusive highPT 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, … 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 NSF Site Review: Overview

5. Physics Questions • What is the source of Electroweak Symmetry Breaking? • W & top masses, Higgs searches, top properties • What is the source of the matter/antimatter asymmetry? • K, , (B) • What is the basic structure of space-time? • Closely related to force unification & naturalness • SUSY, extra dimensions, ? 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→ 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| 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) 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 NSF Site Review: Overview

10. Newer Efforts • Braidwood Reactor  Experiment: • Leadership: co-spokesperson • Linear Collider • Leadership: American Linear Collider Physics Group co-chair 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 NSF Site Review: Overview

12. Scientific Personnel Undergraduates: • Typically 5-10 during the school year • During summer, REU students also join 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 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 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 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) 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 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 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) NSF Site Review: Overview