Advances in Particle Physics 2004 Nobel Prize W

Advances in Particle Physics 2004 Nobel Prize! W. Smith, August 2004 U. Wisconsin Task T - 1

The Physics Frontier Fundamental discoveries in particle physics remain in the forefront of science Where is the next new place where these may be found? The Large Hadron Collider at CERN at 14 Te. V center of mass energy…the new frontier W. Smith, August 2004 U. Wisconsin Task T - 2

Physics at LHC • Extra dimensions • Composite quarks & leptons • ……. ? W. Smith, August 2004 U. Wisconsin Task T - 3

LHC Collisions W. Smith, August 2004 U. Wisconsin Task T - 4

CMS Detector W. Smith, August 2004 U. Wisconsin Task T - 5

Wisconsin on CMS at LHC Personnel: • • • Professors D. Carlsmith, S. Dasu, D. Reeder, W. Smith Senior Scientist R. Loveless Senior Electronics Engineer T. Gorski Assistant Scientists P. Chumney, M. Grothe, A. Lanaro Postdoc Y. Baek Engineer M. Jaworski, Technician R. Fobes Grad Students V. Puttabuddhi (Engineering), C. Hogg (Physics) PSL Engineers F. Feyzi, J. Hoffman, P. Robl, D. Wahl, D. Wenman PSL Draft/Tech: G. Gregerson, D. Grim, J. Pippin, R. Smith Activities: • Calorimeter Trigger (W. Smith, CMS Trigger Project Manager) • Endcap Muon System (R. Loveless, CMS Endcap Muon Manager) • Computing/Physics (S. Dasu, US CMS Computing Adv. Bd, Chair) W. Smith, August 2004 U. Wisconsin Task T - 6

Trigger & DAQ at the LHC W. Smith, August 2004 U. Wisconsin Task T - 7

CMS Trigger & DAQ Systems Level-1 Trigger Event Manager Detector Frontend Readout Systems Builder Networks Run Control Filter Systems Computing Services Level-1 Trigger Requirements: • • W. Smith, August 2004 Input: 109 events/sec at 40 MHz at full L = 1034 Output: 100 k. Hz (50 k. Hz for initial running) Latency: 3 sec for collection, decision, propagation Output direct to computer filter farm (no physical level-2) U. Wisconsin Task T - 8

CMS Level-1 Trigger Wisconsin fully responsible W. Smith, Project Manager Calorimeters Muon Detectors US CMS Trigger US CMS fully responsible US CMS partially responsible UNIQUE: All system present trigger objects w/location, ET, quality -topological triggers possible W. Smith, August 2004 U. Wisconsin Task T - 9

Calorimeter Trigger Crate One of 18 160 MHz systems processing 0. 4 Tbits/s. Rear: Receiver Cards W. Smith, August 2004 Front: Electron, Jet, Clock Cards U. Wisconsin Task T - 10

Calorimeter Trigger Receiver Mezzanine Card (RMC) and Receiver Card (RC) Front Adder mezz link cards Receives 64 Calorimeter energy sums every 25 ns using 8 Vitesse 1. 2 Gbaud links on Receiver Mezzanine link Cards, sends to Jet/Summary Card Tech’n. R. Fobes (l. ) & Eng’r. T. Gorski (r. ) test links: DC-DC Back Bar Code PHASE ASICs BSCAN ASICs W. Smith, August 2004 MLUs U. Wisconsin Task T - 11

Work on Calorimeter Trigger Receiver Mezz. Card BSCAN ASICs Phase ASIC Sort ASICs W. Smith, August 2004 BSCAN ASICs Wisconsin scientists along with students are involved in: Testing electronics cards Asst. Scientists Writing real-time control and diagnostic software P. Chumney (l. ) and M. Writing detailed hardware Grothe (r. ) test JSC: emulation Physics simulation of trigger signals Left: Jet Summary Card back and front sides showing custom high-speed Wisconsin ASICs U. Wisconsin Task T - 12

UW built the endcap disks W. Smith, August 2004 U. Wisconsin Task T - 13

UW installs the chambers L to R: F. Feyzi, D. Wenman, A. Lanaro J. Johnson, M. Giardoni, “Regis”, Y. Baek W. Smith, August 2004 U. Wisconsin Task T - 14

UW CMS Physics Activities Wide-ranging physics interest and expertise in the group • Analysis efforts coming to forefront as detector work finishes • Ensure trigger systems operate at full performance at turn-on • We studied simulated Higgs, SUSY, SM EW and QCD datasets • Designed trigger systems that capture all the important physics efficiently while satisfying DAQ bandwidth requirements • Design triggers for physics channels that are new to CMS • Diffractive Higgs (H bb), Vector boson fusion Higgs (H bb) • Full simulation and analysis for low mass Higgs • Above channels and other VBF, H tt, H WW* LHC Physics Center (LPC at FNAL) • Dasu is on advisory board and is co-head of trigger group • Updating trigger emulation and developing trigger validation tools Accumulate large physics samples our computing effort W. Smith, August 2004 U. Wisconsin Task T - 15

UW CMS Computing & the GRID All U. S. CMS S&C Institutions are involved in DOE and NSF Grid Projects • Integrating Grid software into CMS systems • Bringing CMS Production on the Grid • Understanding the operational issues CMS benefits from Grid Funding Deliverables of Grid Projects become useful for LHC in the “real world” W. Smith, August 2004 From Lothar Bauerdick, US CMS S&C L 1 Manager, FNAL U. Wisconsin Task T - 16

UW Computing on CMS UW is leading single CMS institution in each of past 3 years • Access to ~500 CPUs on average • Physics (~100), GLOW - 6 sites (~360 - soon 750), CS (~700) • Dedicated storage and high-throughput network • 10 TB storage @ physics • Soon: ~100 TB on GLOW • 1 Gbps campus backbone 622 Mbps to WAN First use of core grid technology • Condor = guts of grid • UW Computer Science Collaboration: • Prof. M. Livny, UW Computing Science Dept. , group leader W. Smith, August 2004 U. Wisconsin Task T - 17

Particle Physics Summary Lots of opportunity Good Physics & Good Travel & Communication skills & Good friends & Good jobs …fun and a rewarding education Welcome to the adventure! W. Smith, August 2004 U. Wisconsin Task T - 18