Minutes from target meeting held June 7 2007 in 888

These minutes are available also from:

http://wwwcompass.cern.ch/compass/detector/target/Minutes/2007/

a) Norihiro: polarization was started on Saturday morning. Monday evening
-62.8%, +62.4% and -64.8% were reached and transverse data taking was started
in the evening. In the beginning problems to control the microwave power.
On Friday back in longitudinal mode with polarizations -61.8 %, +61.4 % and 
-62.5 %. Fabrice: two complete field rotations at 2.5 T with trim coils off, 
no loss of polarization.  

b) Yuri plotted polarized NH3 signals from the SMC to see the frequency shift 
with signal asymmetry analysis.

c) Kaori was analyzing NMR signals recorded during transverse data taking with 
0.63 T dipole field.


Comments from Yuri:

Dear Jaakko 
You did not understand the results of my SMC-NH3-data analysis. 
Used SMC-data I found out that the amplitudes of the asymmetrical part
of normalized NH3-proton spectra are strongly proportional to their 
 nuclear polarizations. In other words, we have now  the calibration
curve to determine NH3 polarization without TE-calibration. 
Regards, Yuri.