WBS Trigger. Wesley Smith, U. Wisconsin CMS Trigger Project Manager. DOE/NSF Review February 17, 1999
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1 WBS Trigger Wesley Smith, U. Wisconsin MS Trigger Project Manager DOE/NSF Review February 17,
2 Outline Overview of alorimeter and Muon Triggers ost Drivers Organization Status and Technical Progress Scope and ontingency Since Last Review Milestones, and Schedule ommitment and Resource Profiles Statements of Work - FY99 ommittee oncerns and orrective Actions Issues Summary and onclusions 2
3 alorimeter Triggers φ η η Electron: φ Had Neighbor HA Veto EM Neighbor FG EM Veto 4x4 Jet Region η, φ = Jet: Fine-Grain EM Veto HA Veto Neighbor EM Tower Veto Hit 3 x 3 sliding window centered on EAL/HAL trigger tower pairs Tower count = 72φ x 60η x 2 = 8640 Max η φ Trigger Tower EAL HAL Jet E t from sum of EAL& HAL trigger tower E t in non-overlapping 4x4 regions (also used for E x, E y, E t, E t Miss ) Use multijet triggers Jet candidates are sorted to find highest energy jets 3
4 alorimeter Electronics Interface alorimeter Trigger Overview 4K 1.2 Gbaud serial links w/ 2 x (8 bits E/H/FAL Energy + fine grain structure bit) + 5 bits error detection code per 25 ns crossing US MS HAL: FNAL/ Maryland MS EAL: Lisbon/ Palaiseau 72 φ x 60 η H/EAL Towers (.087φ x.087η for η < 2.2 & η, η > 2.2) FAL:2x(12 φ x 12 η) opper 40 MHz Parallel 4 Highest E t isolated & non-isol. e/γ 4 Highest jets E x, E y from each crate US MS Trigger: U. Wisconsin alorimeter Regional Trigger Receiver Electron Isolation Jet/Summary US MS HAL: U. Nebraska Luminosity Monitor E t sums al. Global Trigger Sorting, E t Miss, ΣE t UK MS: Bristol MS: Vienna Global Trigger Processor Muon Global Trigger Iso Mu MinIon Tag MinIon Tag for each 4φ x 4η region 4
5 Receiver ard (WBS ) Electron Identification ard (WBS ) Jet Summary ard (WBS ) DAQ Proc. (WBS ) 19 X VME R O Monitor (WBS ) lock/ontrol (WBS ) E M Regional alorimeter rate (WBS 3.1.2) L T T EI EI EI EI JS EI EI EI EI Prototypes (WBS ) Preprod. ASIs (WBS ) Test Facilities (WBS ) Power Supplies (WBS ) rate (WBS ) Backplane (WBS ) Data from calorimeter FE on u 1.2 Gbaud Into 152 rear-mounted Receiver ards (ptyp. built) 160 MHz point to point backplane (ptyp. built) 19 lock&ontrol (ptyp. built), 152 Electron ID (ptyp. built) 19 Jet/Summary, Receiver ards 160 MHz 5
6 Muon hamber Trigger Drift Tubes µ S wires Track Finder 2 x extrapolation threshold muon station 4 track segment muon station Meantimers recognize tracks and form vector / quartet. 4 2 threshold Q1 + Q2 + Q3 + strips + muon station 2 muon station 1 φ2 -φ1 orrelator combines them into one vector / station. omparators give 1/2 strip resol. Hit strips of 6 layers form a vector. 3 track segment pairs are combined to one track string combines vectors, forms a track, assigns p t value. 6
7 Z η = 5.31 η = % g η=2.1 η = 2.4 S Muon Trigger Geometry η=1.2 η=0.8 Overlap S η = m Y only m η=1.6 η = HF/ m ME/4/2 ME/4/1 YE/3 ME/3/2 ME/3/1 YE/2 η = 1 η = 0.5 ME/2/2 ME/2/ m S Track-finding: Two Types of 60 Sector Processors: 12 SP-Overlap: 0.9 > η > 1.2 :S's & Barrel DT's 12 SP-S: 1.2 > η > 2.4 :S's only 7 ME/1/3 YE/ m η = 0.9 ME/1/2 ME/1/1 YB/2/3 YB/2/2 MB/2/4 MB/2/3 MB/2/2 YB/2/1 MB/2/1 HE/ m m EE/1 Field off YB/1/3 YB/1/2 MB/1/4 MB/1/3 MB/1/2 YB/1/1 MB/1/1 HB/ m m EB/1 MB/0/4 YB/0/3 MB/0/3 YB/0/2 MB/0/2 YB/0/1 MB/0/1 B/ m
8 ME1/3 ME1/2 ME1/1 ME1/A 1 µ/ 2 links 2 x Rice lock & ontrol ard 20 Sector ME1 Left Muon Port ard 20 Sector ME1 enter Muon Port ard Sector Receiver S Trigger Layout (WBS 3.1.1) 60 Sector Layout (x12 Sectors) EMU 20 Sector 60 Sector 60 Sector ME1 Right ME2/2 ME2/1 Rice Rice WBS Florida Muon Port ard 6µ S Sector 6µ Processor Barrel OVR ULA Barrel Sector Processor Barrel ME3/2 ME3/1 EMU Trigger WBS Sector Receiver WBS WBS WBS ULA µ 16µ 16µ 18µ 18µ Muon Port ard 2µ 2µ 2µ 3µ 3µ Barrel Barrel Muon Port ard Trigger Trigger rate: 4 SR, 2 SP-S 2 SP-OVR x 6 = 360 x 2 Ends = x 12 Trigger Mother Boards in 8 Iron Disk Peripheral rates Backplane, rate Interconnects 5 Muon Port ards x 12 EMU Trigger 24 Optical Links x 12 6 Track Finder rates in ounting Room (total). Sort output (Rice) to Global Muon Trigger (Vienna) 8
9 Endcap Muon rates (Detector & ounting Room) Type Board Slots LT 9 9 ALT 9 18 MBT 5 5 MBD 5 5 MP Total U Detector Peripheral rates/60 6 ounting Room 9U VME Track Finder rates with custom backplanes: Each SR-S sends 6 muon stubs x 34 bits, and 4 bits BXN = 208 bits Each SP sends to the S sorter 3 best muons x 22 bits = 66 bits Each DT-IM sends 8 muon stubs x 25 bits, and 4 bits BXN = 204 bits S R S ME 1 SP SP S OVL S R S ME2,3 D T I M S R S ME 1 SP SP S OVL S R S ME2,3 D T I M P U
10 al.trig Milestones 10
11 Muon Trig Milestones 11
12 Statements of Work - FY99 TRIGGER - SOW99 TOTAL = 496K ULA Florida Rice Wisconsin 12
13 PR - WBS 1.3.1, Trigger $500,000 $450,000 $400,000 $350,000 $300,000 $250,000 $200,000 $150,000 $100,000 WBS TRIGGER $50,000 $0 JUNE JULY AUG SEPT OT NOV DE BWS (Budget) $292,130 $274,303 $303,406 $323,162 $403,258 $433,754 $456,092 BWP (Performance) $139,786 $214,491 $217,939 $240,969 $252,497 $306,026 $306,026 AWP (Paid Actuals) $0 $0 $0 $279, $287,546 OBLIGATIONS $32,805 $65,626 $65,626 $344,726 $344,764 $344,764 $344,852 13
14 alorimeter Trigger Progress 160 MHz Prototype Receiver ard Under Test: VME Interface working Adder ASI's functioning Detailed timing under study 14
15 al. Trigger Dataflow Test Prototype rate with 160 MHz Backplane Proto. Receiver ard (rear) Proto. lock ard (front) Proto. Electron ID ard (front) REAR FRONT 15
16 alorimeter Trigger Plans Prototype Dataflow Tests - Jun ' MHz Backplane Proto. Receiver ard Proto. lock ard Proto. Electron ID ard Serial Data Tests - Oct '99 Serial Link Test ard ASI Design & Prototypes - Mar '00 Electron ID ASI Phase ASI Boundary Scan ASI Sort ASI rate Test - Jun ' MHz Backplane Proto. Receiver ard Proto. lock ard Proto. Electron ID ard Proto. Jet Summary ard 16
17 Muon Trigger Progress Summer '98 test Beam Proto. ULA 48-ch LT ard Software configurable as anode (wire) or cathode (strip) LT Proto. Rice Trigger MotherBoard ombines Wire & Strip LTs Rice TMB Proto. ULA LT Proto. 17
18 Muon Trigger Results Summer Test Beam athode Strip LT's Exact 1/2 strip ID 90% eff. ± 1/2 strip 98% efficient Anode Wire LT's Bunch xing identification 99% efficient Meets requirements for space, time resolution Design Progress Full bit-level dataflow from front end to global trigger Interfaces with EMU FE, Drift Tube Trackfinding, Global Muon Trigger Design of Sector Processor Track-Finder onverts Sector Receiver stubs into muons w/pt, Quality Incl.: Extrapolate, Quality, Assemble, Select, Assign units 18
19 Muon Trigger Plans Muon Port ard - Rice onstruct Prototype - Sep '99 Test with Sector Receiver - Dec '99 Test with Trigger Motherboard - Mar '00 Sector Receiver - ULA Prototype Design Review - Mar '99 onstruct Prototype - Oct '99 Test with Muon Port ard - Dec '99 Sector Processor - Florida Prototype Design Review - Mar '99 onstruct S Prototype - Oct '99 onstruct OVR Prototype - Dec '99 rate Test - Jun '00 Sector Receiver Prototype - ULA Sector Process. S & OVR Proto - Florida Backplane - ULA lock & ontrol ard - Rice ULA athode Board 19
20 Issues - alorimeter Trigger 1.2 Gb Serial u Link from H/EAL to Regional Trigger Originally fibers from detector direct to trigger New MS R&D effort to switch from fiber to wire to adjacent crates Major improvement in access, environment, power, support Engineering load on Receiver ard project Moved Link to Mezzanine ard on Receiver ard Added 1 FTE EE from U.Wisc. PSL to work on this New WBS for this task at cost < $100K This engineer also serves as reserve after Link done Vendor Support Vitesse shifting to external ASI engineering support Experienced customers can still find internal support (small load) No Impact on ASI production runs As per Lehman '98: contacting other vendors (AM, TriQuint, Fujitsu) Final Algorithms & Tower Geometry Required for final designs of Boards, Backplane & ASIs Agreement on trigger tower geometry for HAL & EAL Agreement on final electron & jet algorithms Documents written & being circulated 20
21 Issues - Muon Trigger Peripheral rates Originally LT circuitry on chambers connected to separate Port ards Now all Strip & Wire LT Boards, Mother Boards, Muon Port ards moved to crates on the periphery of the iron disks Major improvement in access, environment, power, support Required full system redesign -- now complete System redesign also handles ME1/1A split strips using added Muon Port ards (48 60) Overlap Region Both S & Drift Tube segments must be used for 0.9 < η < 1.2 Agreement reached with Barrel Muon groups (Vienna & Bologna): 2 separate Track Finders with programmable sharp η boundary Data sharing between Track Finders Finders Requirement of separate sorter for S & DT muon tracks ost estimate < 100K New onceptual design documents are being circulated Design eliminates extra signal distribution & reduces crates (8 6) and sector receivers (48 24) 21
22 Trigger Project Management MS Annual Reviews April: TriDAS Status Progress, draft R&D plans & expenses for next year November: TriDAS Internal Review R&D Plans/Progress, ost & Schedule, Milestones Finalize R&D plans & expenses for next year Internal MS Review w/ms and non-ms referees (M. ampbell) Internal Electronics Reviews by LH Electronics Board MS Reps. G. Hall (Imperial), G. Stefanini (ERN), J. Elias (FNAL) for W. Smith Reports to MS Management Board (last review in Fall '98) US Reviews/Reporting Monthly Video onferences: Florida, Rice, ULA, Wisconsin, Davis (sim) Review Progress, milestones, simulation activities Integration Meetings: alorimeter Trigger: FNAL, Maryland, Wisconsin Muon Trigger: Ohio, Florida, Rice, ULA, Wisconsin, others. Annual Site Visits: Florida, Rice, ULA 22
23 ommittee oncerns & orrective Actions From May 98 Lehman Review: Add al. Trig. & S Trig. rate Tests &S for al & S Trig rate tests added to MS Project Planning Done before MS Trigger TDR planned for end of 2000 ontinue work on limited loss of Muon Trigger efficiency in the overlap region. onsiderable effort had been put into simulation and design efforts in this area. Documentation of this effort is found on the web at: Watch ASI availability issues, as early procurement may become necessary. Working on plans to procure an entire ASI run after performance verification Alternative vendors sought for each ASI to avoid single vendor dependence. ontinue to monitor closely the Level 1 trigger latency. Full day workshop ( Synchronization Workshop ) held at ERN on Nov. 11. Major Topic was Latency -- thoroughly reviewed -- transparencies on web: These concerns have been addressed 23
24 onclusions - Trigger Good Progress Since May 98 Lehman Review Full conceptual design with considerable engineering Important revisions result in an improved system Muon trigger move to peripheral crates Trackfinder integration w/ Drift Tubes & Global Muon Trig. alorimeter trigger serial links to adjacent E/HAL crates Extensive prototyping & test program "Proof of principle" of critical items Number of successes already Muon trigger test beam alorimeter trigger Receiver ard Project Management Extensive system of reviews and monitoring in place Detailed documentation on WWW: 24
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