Difference: PIPPIM_800 (1 vs. 3)

Revision 3
09 Sep 2014 - Main.GosiaSudol
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"

All plots are done using pi+, pi- PID cut and opening angle between pi+pi- to

be greater than 5 degree.

Line: 22 to 22
 

Mean value of the missing peak is 0.914, corresponding to the neutron mass of 957 MeV (18 MeV to high..)
Changed:
<
<
-- GosiaSudol - 06 Sep 2014
>
>

Overlay of pi+pi- missing mass from PE (blue line) target and C (red line) one.

Spectra are normalized to yield in the ragio far from the peak position.


PIPPIM_miss_mass2_C_PE_800.gif
-- GosiaSudol - 06 Sep 2014
 

META FILEATTACHMENT attachment="PIPPIM_MISS_MASS2_COSTH_PT.gif" attr="" comment="pi+pi- missing mass2 vs. pi+pi- cosTheta cm using PionTracker" date="1410010662" name="PIPPIM_MISS_MASS2_COSTH_PT.gif" path="PIPPIM_MISS_MASS2_COSTH_PT.gif" size="35974" user="GosiaSudol" version="2"
META FILEATTACHMENT attachment="PIPPIM_MISS_MASS2_PT_INVM.gif" attr="" comment="pi+pi- missing mass2 vs. pi+pi- invariant mass using PionTracker" date="1410010697" name="PIPPIM_MISS_MASS2_PT_INVM.gif" path="PIPPIM_MISS_MASS2_PT_INVM.gif" size="26790" user="GosiaSudol" version="2"
META FILEATTACHMENT attachment="PIPPIM_INV_MASS.gif" attr="" comment="pi+pi- invaraint mass" date="1410010638" name="PIPPIM_INV_MASS.gif" path="PIPPIM_INV_MASS.gif" size="10638" user="GosiaSudol" version="2"
META FILEATTACHMENT attachment="PIPPIM_INVM_COSTH_PT.gif" attr="" comment="pi+pi- invaraint mass vs. cos Theta in CM after cut on miss cut" date="1410010622" name="PIPPIM_INVM_COSTH_PT.gif" path="PIPPIM_INVM_COSTH_PT.gif" size="38943" user="GosiaSudol" version="2"
META FILEATTACHMENT attachment="PIPPIM_MISS_MASS2_PT.gif" attr="" comment="pi+pi- missing mass2 using PionTracker and not using" date="1410010681" name="PIPPIM_MISS_MASS2_PT.gif" path="PIPPIM_MISS_MASS2_PT.gif" size="12447" user="GosiaSudol" version="2"
Added:
>
>
META FILEATTACHMENT attachment="PIPPIM_miss_mass2_C_PE_800.gif" attr="" comment="pi+pi- missing mass, C + PE at 800 MeV" date="1410283035" name="PIPPIM_miss_mass2_C_PE_800.gif" path="PIPPIM_miss_mass2_C_PE_800.gif" size="6616" user="GosiaSudol" version="1"
Revision 2
06 Sep 2014 - Main.PiotrSalabura
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"

All plots are done using pi+, pi- PID cut and opening angle between pi+pi- to

be greater than 5 degree.

Line: 18 to 18
 

PIPPIM_MISS_MASS2_PT.gif
Changed:
<
<
-- GosiaSudol - 06 Sep 2014
>
>
From a fit to the missing mass spectrum Total number of pi+pi- events (after background -pol3-subtraction) amounts to 620 k

Mean value of the missing peak is 0.914, corresponding to the neutron mass of 957 MeV (18 MeV to high..)
 
Changed:
<
<

>
>
-- GosiaSudol - 06 Sep 2014
 

META FILEATTACHMENT attachment="PIPPIM_MISS_MASS2_COSTH_PT.gif" attr="" comment="pi+pi- missing mass2 vs. pi+pi- cosTheta cm using PionTracker" date="1410010662" name="PIPPIM_MISS_MASS2_COSTH_PT.gif" path="PIPPIM_MISS_MASS2_COSTH_PT.gif" size="35974" user="GosiaSudol" version="2"
META FILEATTACHMENT attachment="PIPPIM_MISS_MASS2_PT_INVM.gif" attr="" comment="pi+pi- missing mass2 vs. pi+pi- invariant mass using PionTracker" date="1410010697" name="PIPPIM_MISS_MASS2_PT_INVM.gif" path="PIPPIM_MISS_MASS2_PT_INVM.gif" size="26790" user="GosiaSudol" version="2"
 
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