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)