# Presentation: 024488

## Agenda(from Rebaselining Review)

**Introduction (Kotcher – 10’)**
**Trigger & DAQ/Online (Wood – 30’)**
**AFE II/TriP (Bross – 15’)**
**BREAK**
**Silicon Layer 0 (Lipton – 30’)**
**Baseline Change Proposal, Rebaseline Summary (Kotcher – 30’)**

**Rebaselining Review of the Run IIb DZero**** ****Detector Project **** ****November 5, 2003****Fermilab**

**Most everything you will see ****today is in draft form**

## AFE II/TriP UpgradeWBS 1.2.8

**We are proposing an upgrade to the Central Fiber Tracker (CFT) readout & triggering system**
**Maintain tracking capability in light of cancellation of silicon upgrade, particularly at increased luminosity**
**considerably improved noise performance – lower thresholds, enhance triggering, efficiency**
**z-information from timing  **
**New Analog Front-End Boards (AFE II) and trigger (TriP) chip**
**First version TriP chip submitted with SVX4**
**Designed, tested by Fermilab (PPD, Yarema)**
**Was major success out of the box**
**First full AFE II prototype being laid out now, expect back by end CY03**
**System represents major simplification, performance upgrade**
**Exploiting considerable in-house experience – personnel, depth of technical knowledge **
**TPC = $2.2M (includes 50% total contingency) **
**M&S cost estimate based on detailed past experience**
**see talk by Bross**

## Run IIb Project OrganizationNov ‘03

**D0 Run IIb Project****J. Kotcher, Project Manager****V. O’Dell, Deputy (Trigger/DAQ); R. Lipton, Deputy (Silicon Layer 0)  W. Freeman, Associate; M. Johnson, Technical Coordinator ****D. Knapp, Budget Officer; T. Erickson, Administration**

**WBS 1.2****Trigger ****P. Padley ****D. Wood**

- 1.2.3   L1 Track TriggerM. Narain

- 1.2.1   L1 Cal UpgradeM. Abolins, H. Evans

- 1.2.4   L2UpgradeR. Hirosky

- 1.2.5   Silicon Track Trigger U. Heintz

**WBS 1.3****DAQ/Online****S. Fuess****P. Slattery**

- 1.2.2   L1 Cal/Track MatchK. Johns

- 1.2.6   SimulationE. Barberis, M. Hildreth

**WBS 1.5 Installation****R. Smith**

- 1.5.1  Silicon InstallationMechanical: (W. Cooper)Electronics: (L. Bagby)

- 1.5.2  Trigger InstallationD. Edmunds

**WBS 1.4****Project Administration**

- 1.2.7   Administration(D. Wood)

- 1.3.3  Control SystemsF. Bartlett, G. Savage,V. Sirotenko

- 1.3.1  Level 3 SystemsD. Chapin, G. Watts

- 1.3.4  DAQ/Online Management(P. Slattery)

- 1.3.2  Network & Host Systems J. Fitzmaurice, S. Krzywdzinski

**Installation an integrated part of project plan, but removed from formal Run IIb baselining**

- 1.2.8 AFE II/TriPA. Bross, TBD

**WBS 1.6****Silicon Layer 0****A. Bean****(R. Lipton)**

- 1.6.1  SensorsM. Demarteau, R. McCarthy

- 1.6.2 Readout ElecA. Nomerotski, R. Sidwell

- 1.6.3 Mech Des & FabricationW. Cooper

- 1.6.4, 1.6.5 Detector Modules & IntegJ. Fast, L. Bagby

- 1.6.6 Administration (A. Bean)

**Full Run IIb silicon replacement, now cancelled, was WBS 1.1**

**For initial prototyping phase **

## AFE II/TriP Decision Process

**Project funding request ($2.2M) includes both salaries and M&S for **_**production only**_**; does not contain either salaries or M&S for R&D**
**Has been coming from operating funds (e.g., TriP work & testing)**
**Agreement with Laboratory that this will continue**
**Before fully supporting the pursuit of this sub-project, we first must convince ourselves that it will provide the experiment with sufficient gains to justify the considerable effort & potential interruptions to data-taking, and that the scheme will work as advertised**
**Given the time scales (summer ’05 completion), answering these questions must be given sufficient priority during the next few months...and without allowing operations to falter**

## AFE II/TriP Decision Process

**The following must be completed before production funds will be released:**
**Continuation/completion of simulations**
**TriP resubmission**
**Abder is starting**
**AFE II prototype layout, fabrication & testing**
**Arrangements to free John A. up to pursue this for next few months being finalized now**
**Operations will be covered**
**Fabrication and testing must immediately follow**
**DZero Internal Review, followed by a**
**Laboratory Review, if warranted**

## AFE II/TriP Decision Process

**The DZero Review will be a critical one **
**Among the things they will be asked to look over:**
**Technical gains & feasibility**
**Physics benefits**
**Realism of schedule**
**Long-term commitment of personnel**
**Credibility of installation and commissioning plan, and its impact on acquisition of physics quality data **
**A major consideration **
**Will be asked to provide an overall recommendation, submitted to Spokes, PM**
**If justification is there, and the DZero Internal Review Committee recommends moving forward, would like to hold the Laboratory Review no later than April ’04**
**Targeting summer ’05 completion (installation during summer shutdown), which is still tight**