# Presentation: 634765

## RHIC Machine/Detector Planning Meeting6 June 06

_**Agenda**_
**Special Topic – 22 GeV development run – what was learned.. T. Satogata**
**Scheduling Physicist (Brown) - Scheduling issues**** **
**Experiment Progress/Issues - STAR, PHENIX, (BRAHMS)**
**Jet Target Progress/issues - (Makdisi) **
**Machine Issues - (Ptitsyn)**
**AGS beam polarization progress report/polarimeter status – (Huang)**
**RHIC Polarimeters (Bravar) – issues**
**RHIC Beam Experiments (Pilat)**
**RCF (Throwe) – issues**

**Planning Meeting Web Site****: http://www.c-ad.bnl.gov/esfd/RMEM_06/rhic_planning.htm**

## RHIC Run 6 as run/revised plan

- 1 Feb – Cool-down begins
- 7 Feb – 1st beam in blue ring
- 12 Feb – 1st beam in yellow beam
- 5 Mar – Machine Physics Mode declared (4.6 weeks into run)
- 8 Mar – **PHENIX** in Physics Mode – radial pol (5 weeks into run – on schedule)
- 12 Mar – **STAR** in Physics Mode – long pol (5.6 weeks into run)
- 12 Mar – begin 11.0 weeks of s=200 GeV pp (0.6 weeks behind schedule)
- 6 Apr – **STAR** switch to trans pol
- 14 April – unscheduled shutdown (incr. power use at ~50% of full operations)
- 21 April – unscheduled shutdown ends – lost ~ 7 days
- 22 April –**PHENIX** back on (lost 8 days)
- 24 April – **STAR** back on (lost 10 days)
- 26 Apr – **PHENIX** completed radial polarization, switched to longitudal
- 10  May – **STAR** switched to longitudal polarization
- 5 Jun  – 1400, end 11.0 weeks s=200 GeV pp, begin s=22 GeV development
- 6 Jun – 1400, begin setup s=62 GeV pp – add **BRAHMS**
**13 June – decide on fate of 22 GeV physics run??**
- 20 Jun – 1800, end 2 week s=62 GeV pp, begin s=500 GeV development
- 26 Jun – 0600, end s=500 GeV development, begin warm-up to LN2
- 29 Jun – RHIC Cryo switch to LN2 complete, end 21.1 weeks of cryo operation
- _   _

**6/2/06**

## Experiment Goals (in progress) 

-                     ___s_              _Pol. Config._         _Recorded L_     _Delivered L_         _Pol_          _weeks_     _P__2__L_     _P__4__L_
- PHENIX:    200 GeV    Radial                   4-7 pb-1            10-17 pb-1       ≥ 50%      3-4#      2.5-4.3
-                     200 GeV    Longitudinal          10 pb-1                 30 pb-1       ~ 60%          7                    3.9
-                     62.4 GeV   Longitudinal         0.6 pb-1                 1.4 pb-1         ≥ 50%         2
-                       *22 GeV                                   4 nb-1                  10 nb-1
- STAR:        200 GeV    Transverse            5  3 pb-1                 15 pb-1       ≥ 50%      ~ 4         3.8
-                    200 GeV     Longitudinal          10 pb-1                 30 pb-1       ≥ 50%       ~7                     1.9
-                    62.4 GeV    Transverse           0.5  pb-1               1.5  pb-1       ≥ 50%         2
- BRAHMS: 62.4 GeV    Transverse           0.85 pb-1                1.4 pb-1       ~ 50%         2
- * Not in present plan
- # with 50-60% pol, end with 4 weeks of operation or 4-7 recorded pb-1, whichever comes first

## Experiment Summary – RUN6 (work in progress)

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## PHENIX Min/Max Goals

**PHENIX Min/Max Goals**

**STAR Goal**

## PHENIX Goal

**PHENIX Goal**

**STAR Goal**

**End of 100 x 100 GeV**

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## 5/29/06

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## 5/29/06

## 5/29/06

## 6/5/06

**6/5/06**

## 6/5/06

**6/5/06**

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## RHIC Machine/Detector Planning MeetingArchive

## As of 31 May 2006

## The 14.5 week pp “physics” plan, Run6

_****__**s  = 200 GeV/c (1**__**st**__** 11 weeks)**_
_****__**s  = 62.4 GeV/c (next 2 weeks)**_
- 2 weeks physics
- STAR Transverse
- PHENIX Transverse
- BRAHMS Transverse
_****__**s  = 500 GeV/c (last 1 week)**_
- Machine Development
_**0.5 week contingency, use to be determined**_

## RHIC Run 6 Original Plan

- 1 Feb – Begin cool-down
- 8 Mar –Physics Mode for machine and experiments (5 weeks into run)
- 8 Mar – begin 11 weeks of s=200 GeV pp
- 24 May – end 11 weeks s=200 GeV pp
- 24 May begin setup s=62 GeV pp
- 7 Jun – end 2 week s=62 GeV pp
- 7 Jun – begin 1 week s=500 GeV pp development
- 14-18 Jun – Contingency (end 14.5 weeks “Physics”)
- 18 Jun – begin cyro warm-up
- 21 Jun – RHIC Cryo warm-up complete, end 20.0 weeks of cryo operation

## RHIC Run 7 – first look at possible run plan

- PHENIX
- Long Au-Au run at s=200 GeV/n
- pp development, especially for s=500 GeV
- STAR
- d-Au at s=200 GeV/n
- pp development

## 11 physics weeks at 200 GeV, (20 weeks cryo operation)

_**11 physics weeks at 200 GeV, (20 weeks cryo operation)**_

**STAR/PHENIX Goals - Transverse**

**STAR Goal - Longitudal**

## 2 physics weeks at s = 62.4 GeV

_**2 physics weeks at **__****__**s = 62.4 GeV**_

**PHENIX and BRAHMS Goal**

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