Difference: PPIM_656 (1 vs. 6)

Revision 6
10 Sep 2014 - Main.GosiaSudol
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"
Selection of the elastic events has applied done on the following distributions
  • 175 < delta_phi < 185
Line: 25 to 25
 


Non-elastic events


Changed:
<
<
  • missing mass2 ppi-:
    PPIM_MISS_MASS2_nonEla.gif
>
>

PPIM_MISS_MASS2_nonEla.gif

Overlay of ppi- missing mass^2 from PE (blue line) target and C (red line) one.

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

  • PPIM_miss_mass2_C_PE_notElastic_656.gif
 

Total number of ppi-pi0 events from fit to the missing mass spectrum (after background subtraction) 137 kEvents

Pi0 peak at 0.0255 GeV /c^2 (expected at 0.0193)
Added:
>
>

Overlay of ppi- missing mass^2 for non-elastic events from PE (blue line) target and C (red line) one.

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

 
Changed:
<
<
  • same missing mass spectrum but with momentum from pion tracker reconstruction:
    PPIM_MISS_MASS2_nonEla_PT.gif
>
>


PPIM_miss_mass2_C_PE_656.gif

-- GosiaSudol - 10 Sep 2014


 

META FILEATTACHMENT attachment="P_THETA_MOM.gif" attr="" comment="p theta vs. p" date="1410012047" name="P_THETA_MOM.gif" path="P_THETA_MOM.gif" size="21722" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PIM_THETA_MOM.gif" attr="" comment="pi- theta vs. p" date="1410012061" name="PIM_THETA_MOM.gif" path="PIM_THETA_MOM.gif" size="22569" user="GosiaSudol" version="1"
Line: 41 to 48
 
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla_PT.gif" attr="" comment="same missing mass spectrum but with momentum from pion tracker reconstruction" date="1410022236" name="PPIM_MISS_MASS2_nonEla_PT.gif" path="PPIM_MISS_MASS2_nonEla_PT.gif" size="11177" user="PiotrSalabura" version="3"
META FILEATTACHMENT attachment="PPIM_INV_MASS.gif" attr="" comment="ppi- invariant mass with fit" date="1410012219" name="PPIM_INV_MASS.gif" path="PPIM_INV_MASS.gif" size="9548" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla.gif" attr="" comment="missing mass2 ppi-" date="1410022409" name="PPIM_MISS_MASS2_nonEla.gif" path="PPIM_MISS_MASS2_nonEla.gif" size="10989" user="PiotrSalabura" version="1"
Added:
>
>
META FILEATTACHMENT attachment="PPIM_miss_mass2_C_PE_656.gif" attr="" comment="p pi- missing mass2, PE and C target at 656 MeV" date="1410351686" name="PPIM_miss_mass2_C_PE_656.gif" path="PPIM_miss_mass2_C_PE_656.gif" size="6991" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_miss_mass2_C_PE_notElastic_656.gif" attr="" comment="p pi- missing mass2 (non-elastic), PE & C, 656 MeV" date="1410351725" name="PPIM_miss_mass2_C_PE_notElastic_656.gif" path="PPIM_miss_mass2_C_PE_notElastic_656.gif" size="7224" user="GosiaSudol" version="1"
Revision 5
07 Sep 2014 - Main.PiotrSalabura
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"
Selection of the elastic events has applied done on the following distributions
  • 175 < delta_phi < 185
Line: 7 to 7
 
  • ppi- missing mass2 > 1.35

Please note that in comparison to the beam momentum 690MeV/c

Changed:
<
<

we see 20MeV downward shift for the mean value of ppi- invariant mass, as expected from

>
>

we see 23 MeV downward shift for the mean value of ppi- invariant mass, as expected from

 

lower momentum of 656 MeV

Revision 4
06 Sep 2014 - Main.PiotrSalabura
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"
Selection of the elastic events has applied done on the following distributions
  • 175 < delta_phi < 185
Line: 13 to 13
 

PPIM_INV_MASS.gif
Added:
>
>
Total number of events 2 MLN. Energy in CMS 1.45 GeV
 


P_THETA_MOM.gif
Line: 21 to 22
 


PPIM_MOM.gif
Deleted:
<
<

PPIM_MISS_MASS2_PT.gif
 


Non-elastic events


Changed:
<
<

PPIM_MISS_MASS2_nonEla_PT.gif
>
>
  • missing mass2 ppi-:
    PPIM_MISS_MASS2_nonEla.gif
 
Changed:
<
<
-- GosiaSudol - 06 Sep 2014
>
>
Total number of ppi-pi0 events from fit to the missing mass spectrum (after background subtraction) 137 kEvents
 
Changed:
<
<

>
>
Pi0 peak at 0.0255 GeV /c^2 (expected at 0.0193)

  • same missing mass spectrum but with momentum from pion tracker reconstruction:
    PPIM_MISS_MASS2_nonEla_PT.gif
 

META FILEATTACHMENT attachment="P_THETA_MOM.gif" attr="" comment="p theta vs. p" date="1410012047" name="P_THETA_MOM.gif" path="P_THETA_MOM.gif" size="21722" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PIM_THETA_MOM.gif" attr="" comment="pi- theta vs. p" date="1410012061" name="PIM_THETA_MOM.gif" path="PIM_THETA_MOM.gif" size="22569" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MOM.gif" attr="" comment="pi- mom vs. p mom" date="1410012080" name="PPIM_MOM.gif" path="PPIM_MOM.gif" size="25650" user="GosiaSudol" version="1"
Changed:
<
<
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_PT.gif" attr="" comment="ppi- elastic events missing mass2 using PionTracker" date="1410012105" name="PPIM_MISS_MASS2_PT.gif" path="PPIM_MISS_MASS2_PT.gif" size="10660" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla_PT.gif" attr="" comment="ppi- non-elastic events missing mass2 using PionTracker" date="1410012120" name="PPIM_MISS_MASS2_nonEla_PT.gif" path="PPIM_MISS_MASS2_nonEla_PT.gif" size="11199" user="GosiaSudol" version="1"
>
>
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla_PT.gif" attr="" comment="same missing mass spectrum but with momentum from pion tracker reconstruction" date="1410022236" name="PPIM_MISS_MASS2_nonEla_PT.gif" path="PPIM_MISS_MASS2_nonEla_PT.gif" size="11177" user="PiotrSalabura" version="3"
 
META FILEATTACHMENT attachment="PPIM_INV_MASS.gif" attr="" comment="ppi- invariant mass with fit" date="1410012219" name="PPIM_INV_MASS.gif" path="PPIM_INV_MASS.gif" size="9548" user="GosiaSudol" version="1"
Added:
>
>
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla.gif" attr="" comment="missing mass2 ppi-" date="1410022409" name="PPIM_MISS_MASS2_nonEla.gif" path="PPIM_MISS_MASS2_nonEla.gif" size="10989" user="PiotrSalabura" version="1"
Revision 3
06 Sep 2014 - Main.GosiaSudol
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"
Selection of the elastic events has applied done on the following distributions
  • 175 < delta_phi < 185
Line: 9 to 9
 

Please note that in comparison to the beam momentum 690MeV/c

we see 20MeV downward shift for the mean value of ppi- invariant mass, as expected from

lower momentum of 656 MeV

Added:
>
>

 
Changed:
<
<
PPIM_INV_MASS.gif
>
>
PPIM_INV_MASS.gif
 
Changed:
<
<
P_THETA_MOM.gif
>
>

 
Changed:
<
<
  • pi- theta vs. p:
    PIM_THETA_MOM.gif
>
>

P_THETA_MOM.gif
 
Changed:
<
<
  • pi- mom vs. p mom:
    PPIM_MOM.gif
>
>

PIM_THETA_MOM.gif
 
Changed:
<
<
PPIM_MISS_MASS2_PT.gif
>
>

PPIM_MOM.gif
 
Changed:
<
<

Non-elastic events

>
>

PPIM_MISS_MASS2_PT.gif


Non-elastic events


 
Changed:
<
<

PPIM_MISS_MASS2_nonEla_PT.gif
-- GosiaSudol - 06 Sep 2014
>
>

PPIM_MISS_MASS2_nonEla_PT.gif
 
Changed:
<
<
META FILEATTACHMENT attachment="P_THETA_MOM.gif" attr="" comment="p mom vs. p mom" date="1410003539" name="P_THETA_MOM.gif" path="P_THETA_MOM.gif" size="20865" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PIM_THETA_MOM.gif" attr="" comment="pi- theta vs. p" date="1410003561" name="PIM_THETA_MOM.gif" path="PIM_THETA_MOM.gif" size="20742" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MOM.gif" attr="" comment="pi- mom vs. p mom" date="1410003582" name="PPIM_MOM.gif" path="PPIM_MOM.gif" size="23141" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_PT.gif" attr="" comment="ppi- elastic events missing mass2 using PionTracker" date="1410003660" name="PPIM_MISS_MASS2_PT.gif" path="PPIM_MISS_MASS2_PT.gif" size="10262" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla_PT.gif" attr="" comment="ppi- non-elastic events missing mass2 using PionTracker" date="1410003673" name="PPIM_MISS_MASS2_nonEla_PT.gif" path="PPIM_MISS_MASS2_nonEla_PT.gif" size="11704" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_INV_MASS.gif" attr="" comment="ppi- invariant mass with fit" date="1410004007" name="PPIM_INV_MASS.gif" path="PPIM_INV_MASS.gif" size="9817" user="GosiaSudol" version="1"
>
>
-- GosiaSudol - 06 Sep 2014


META FILEATTACHMENT attachment="P_THETA_MOM.gif" attr="" comment="p theta vs. p" date="1410012047" name="P_THETA_MOM.gif" path="P_THETA_MOM.gif" size="21722" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PIM_THETA_MOM.gif" attr="" comment="pi- theta vs. p" date="1410012061" name="PIM_THETA_MOM.gif" path="PIM_THETA_MOM.gif" size="22569" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MOM.gif" attr="" comment="pi- mom vs. p mom" date="1410012080" name="PPIM_MOM.gif" path="PPIM_MOM.gif" size="25650" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_PT.gif" attr="" comment="ppi- elastic events missing mass2 using PionTracker" date="1410012105" name="PPIM_MISS_MASS2_PT.gif" path="PPIM_MISS_MASS2_PT.gif" size="10660" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_MISS_MASS2_nonEla_PT.gif" attr="" comment="ppi- non-elastic events missing mass2 using PionTracker" date="1410012120" name="PPIM_MISS_MASS2_nonEla_PT.gif" path="PPIM_MISS_MASS2_nonEla_PT.gif" size="11199" user="GosiaSudol" version="1"
META FILEATTACHMENT attachment="PPIM_INV_MASS.gif" attr="" comment="ppi- invariant mass with fit" date="1410012219" name="PPIM_INV_MASS.gif" path="PPIM_INV_MASS.gif" size="9548" user="GosiaSudol" version="1"
Revision 2
06 Sep 2014 - Main.PiotrSalabura
Line: 1 to 1
 
META TOPICPARENT name="MomentumScan"
Selection of the elastic events has applied done on the following distributions
  • 175 < delta_phi < 185
Line: 7 to 7
 
  • ppi- missing mass2 > 1.35

Please note that in comparison to the beam momentum 690MeV/c

Changed:
<
<

we see 20MeV upward shift for the mean value of ppi- invariant mass, as expected from

lower momentum of 656 MeV /c

>
>

we see 20MeV downward shift for the mean value of ppi- invariant mass, as expected from

lower momentum of 656 MeV

 

PPIM_INV_MASS.gif
 
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