Polarimeter Plots, Diagrams and Pictures

HERA

• HERA ring, showing location of experiments and polarimeters (jpg)
• HERA ring, showing location of experiments (with logos) and polarimeters (gif) (eps)

TPOL

• TPOL calorimeter (gif) (eps) (with LPOL (gif) (eps))
• TPOL calorimeter 2 (gif) (ps)
• Definition of Focus (gif)
• Example eta vs energy distributions from online analysis of laser left/right helicity (gif)
• Dependance of focus size / change in Analyzing power as a function of beam divergence using MC (eps) (See here for full document)
• Stefan's focus and LPOL/TPOL ratio studies:
  • Focus vs Ratio (gif) (eps)
  • Study over time in 2004 (gif) (eps)
  • LPOL/TPOL ratio with and without linear correction applied (gif) (eps)
• Original LPOL/TPOL ratio online and offline (with focus correction using Stefan's fit) (gif)
• LPOL/TPOL ratio with and without online focus correction applied (eps)
• For pictures of the TPOL installation go here.

LPOL

• LPOL calorimeter (gif) (eps) (with TPOL (gif) (eps))
• LPOL interaction point (gif) (eps)
• LPOL beamline schematic with synchrotron fan (gif) (ps)
• LPOL Systematic Studies: Crystal/Sandwich Calorimeter Comparison (eps)
• LPOL Performance at start of 2005 (eps)
• LPOL Performance for most of 2005 (eps)
• LPOL Performance for 2006 e-p running (eps)

LPOL Cavity

• Schematic of LPOL cavity (gif)
• Picture of LPOL cavity (gif)
• Picture of LPOL cavity with additional lead shielding (gif)
• Technical Drawing of New LPOL Cavity Calorimeter (jpg)

Physics Plots etc (both LPOL and TPOL)

• H1 HERA-II 2003-2004 integrated luminosity plot (jpg)
• Average Polarisation for HERA-II e+p 2003 - 2004 (eps)
• TPOL and LPOL Polarisation for HERA-II Oct 2003 - Mar 2004 (eps)
• TPOL and LPOL Polarisation for HERA-II Apr 2004 - May 2004 (eps)
• TPOL and LPOL Polarisation for HERA-II Jul 2004 - Feb 2005 (eps)
• TPOL and LPOL Polarisation for Selected Months HERA-II Dec 2003 - Oct 2005 (eps) (gif)
  
  
• Average and Maximum Polarisation for HERA II e-p Jan - Jun 2005 (eps) (gif)
• Average and Maximum Polarisation for HERA II e-p Jun - Aug 2005 (eps) (gif)
  
  
• TPOL and LPOL efficiency for HERA II e-p Jan - Jun 2005 (eps) (gif)
• TPOL and LPOL efficiency for HERA II e-p Jun - Aug 2005 (eps) (gif)
  
  
• TPOL and LPOL online ratio for HERA II e-p Jan - Jun 2005 (eps)
• TPOL and LPOL online values and ratio for HERA II e-p Jul - Aug 2005 (problem period)  (eps) (gif)

Back to the main Pol2000 page

---

David South

Last modified: Tue Aug 22 15:18:45 CEST 2006