# Presentation: 401773

## HFT Project Overview

**CD0 Review**
**H.G. Ritter**
**LBNL**

## Project

**In the first part we have shown**
**Compelling science**
**Proposed detector can do necessary measurements**
**In the second part we will show**
**Properties of detector**
**How we build it**
**We have the team and the organization to build it**

## Overview

**STAR Tracking Upgrade to identify mid-rapidity Charm and Bottom hadrons through direct reconstruction and measurement of the displaced vertex **

## HFT Project

**Time line:**
**February 2008 (CD-0) – June 2013 (CD-4)**
**Budget**
**Previous (proposal):$15.1M-16M**
**Present estimated cost range:$11.1M-14.7M**
**Updates to Design**
**Contingency**

## PIXEL

**2 layers of 30x30 ********m pixels at 2.5 and 8 cm radius**
**Very low material budget to limit multiple scattering**
**Rapid insertion and removal**
**Precision positioning**
**Air cooling **
**Data reduction and formatting on chip**

## PIXEL

## Engineering Prototype

## IST

**One layer of single sided silicon pads at a radius of 14 cm**
**~23 ladders**
**11 units (modules) per ladder**
**Conventional and proven technology**
**MIT expertise**

## Optimal technology

**Pixel:**** New technology**
**Resolution**
**Low material budget**
**IST:**** Proven strip-pad technology**
**Experience**
**Cost effective**

## SSD

**Existing detector**
**Needs upgrade to cope with DAQ1000**
**(order of 350k$)**

## Collaboration

**BNL:** C. Chasman, D. Beavis, R. Debbe, J.H. Lee, M.J. Levine, F. Videbaek, Z. Xu
**UCLA:** R. Cendejas, H. Huang, S. Sakai, G. Wang, C. Whitten
**Kent State:** J. Joseph, D. Keane, S. Margetis, V. Rykov, W.M. Zhang
**Prague:** M. Bystersky, J. Kapitan, V. Kushpil, M. Sumbera
**Strasbourg:** J. Baudot, C. Hu-Guo, A. Shabetai, M. Szelezniak, M. Winter
**MIT:** J. Balewski, D. Hasell, J. Kelsey, R. Milner, M. Plesko, R. Redwine, B. Surrow, G. Van Nieuwenhuizen
**LBNL:** E. Anderssen, X. Dong, L. Greiner, H.S. Matis, S. Morgan, H.G. Ritter, A. Rose, E. Sichtermann, R.P. Singh, T. Stezelberger, X. Sun, J.H. Thomas, V. Tram, C. Vu, H.H. Wieman, N. Xu
**Purdue:** A.S. Hirsch, X. Li, B. Srivastava, F. Wang, Q. Wang, W. Xie

## STAR - HFT Collaboration

**LBNL, MIT and BNL are main institutes for construction**
**Excellent track record**
**Experience**
**Strasbourg/LBNL - active pixel sensor development**
**Kent State, Purdue, Prague, UCLA, LBNL play lead role in simulation, analysis software and calibration**
**Entire STAR collaboration will analyze data**
**Excellent track record**
**Experience**

## Management Structure

## HFT Technical Committee

- Ritter - Project Manager
- Singh - Deputy Project Manager
- Morgan - Budget
- Videbaek - Integration
- Wieman - Pixel
- Anderssen - Pixel, Integration
- Surrow - IST
- Kelsey - IST, Integration
- Thomas - SSD Liaison
- Margetis - Software
- Hallman - STAR
- Majka - STAR
- Weekly meetings, management control

## Risk Management

**APS Sensors depending on Strasbourg pace of development**
**Early prototypes, involved in testing and design**
**Kinematic mount, low mass ladder, alignment challenging**
**Solve problem in the R+D phase**
**SSD is essential**
**Involved in upgrade and running of SSD, design redundancy into IST**

## Performance Requirements

**Thickness of beam pipe + first Pixel layer < 0.5% radiation length**
**Pixel integration time < 200 ********s**
**Read-out compatible with DAQ 1000**
**Internal alignment and stability better than 20 ********m for Pixel and better than 300 ********m for IST**
**Detector hit efficiency of Pixel > 95%**

## Projected Run Plan

**1) First run with HFT:****	**** 200 GeV Au+Au****	******** v****2**** and R****CP ****with 500M M.B. collisions****2) Second run with HFT: 200 GeV p+p **** ****	**** ******** R****AA****	****3) Third run with HFT: 200 GeV Au+Au****	**** ****	**** ******** Centrality dependence of v****2**** and R****AA**** ****	**** ******** Charm background and first attempt for ****	****     electron pair measurements**** ****	**** ******** ********C**** baryon with sufficient statistics**

## Milestones

**CD-0 February 2008**
**CD-1 October 2008**
**CD-2/3 August 2009**
**CD-4 June 2013**
**Modified East Cone with West Cone in for Summer ’09 – June 2009**
**Installation of Engineering Prototype – September 2010**
**Engineering Prototype in Beam – January 2011**
**Ultimate Installed – September 2011**
**Ultimate In Beam – January 2012**
**IST Installed – July 2012**

## Estimated Cost Range

| WBS | Task Name | Cost in $K | Cont. in % | Cont. in $K | Lower Range in $K (Est. TPC) | Upper Range in $K |
| --- | --- | --- | --- | --- | --- | --- |
| 1.1 | Research and Development | 1,461  | 0 | 0  | 1,461  | 1,461  |
| 1.2 | Pixel | 1,985  | 46 | 1,125  | 3,110  | 4,354  |
| 1.3 | Strip Detector | 2,345  | 36 | 878  | 3,223  | 4,351  |
| 1.4 | Integration | 1,665  | 41 | 946  | 2,611  | 3,656  |
| 1.5 | Software | 0  | 0 | 0  | 0  | 0  |
| 1.6 | Project Management | 732  | 0 | 0  | 732  | 878  |
| Total |  | 8,188  | 29  | 2,949  | 11,138  | 14,701  |

- Appropriate labor rates
- Escalated
- Risk based contingency

## Summary

**Compelling science for the RHIC II era**
**A detector **
**That can deliver the science**
**Built on the strength of STAR**
**Coverage and particle identification**
**Uses innovative technology to get superior resolution **
**A team and an organization**
**That can build the detector**
**That will extract the science in a timely fashion**
**Meets the charges**

## Back-up

## Technology Driven Schedule