Polarisation in Run12 100GeV and first results for 250 geV EC Aschenauer presenting the work done by Alan anders Bill and Dima 100 geV Results EC Aschenauer Phil Pile Meeting 20120320 ID: 368622
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Slide1
A summary on Polarisation in Run-12100GeV and first results for 250 geV
E.C. Aschenauer
presenting the work done by Alan,
anders
, Bill
and
DimaSlide2
100 geV ResultsE.C. AschenauerPhil Pile Meeting 2012/03/202
polarisation
at injection
Blue
and
Yellow
Caveat:
only first round of cleaning
up noise in
polarimeters
was done
pC
numbers not normalized
to jetSlide3
polarisation at flat topBlue and Yellow100 geV Results
H
-JETSlide4
E.C. AschenauerPhil Pile Meeting 2012/03/204
0.47%±0.040/hour
0.97%±0.047/hourSlide5
E.C. AschenauerPhil Pile Meeting 2012/03/205
0.46%±0.11/hour
0.80%±0.11/hour
H-Jet
Fills: 16386-16439Slide6
E.C. AschenauerPhil Pile Meeting 2012/03/206
0.90%±0.095/hour
0.42%±0.08/hourSlide7
E.C. AschenauerPhil Pile Meeting 2012/03/207
1.85%±0.13/hour
0.41%±0.07/hourSlide8
E.C. AschenauerPhil Pile Meeting 2012/03/208
1
.77%±0.17/hour
0.18%±0.118/hour
H-Jet
Fills: 16502-16511Slide9
E.C. AschenauerPhil Pile Meeting 2012/03/209
0.76%±0.08/hour
0.35%±0.11/hourSlide10
255 GeV Resultspolarisation at injectionBlue and Yellow
Caveat:
pC
numbers not normalized
to jetSlide11
255 GeV ResultsE.C. AschenauerPhil Pile Meeting 2012/03/2011polarisation at flat top
Blue
and
Yellow
H-Jet
longitudinal
H-Jet Run-11Slide12
255 GeV ResultsE.C. AschenauerPhil Pile Meeting 2012/03/2012
1.288%±0.18/hour
0.71%±0.28/hour
Run-11
0.39%±0.07/hour
Run-11
0.78%±0.07/hourSlide13
255 GeV ResultsE.C. AschenauerPhil Pile Meeting 2012/03/2013
1.288%±0.18/hour
0.71%±0.28/hour
H
-Jet:
Fills: 16570-16592
trans + longitudinal
H
-Jet:
Fills: 16586-16592
longitudinalSlide14
Summary100 GeV:main loss in polarisation through decay in fillpolarisation decay varies from week to week for the two beamsjet and pC polarimeters consistent observing the same trends255 GeV:
the
polarisation
loss through decay in fill and on the ramp
jet and
pC
polarimeters
consistent observing the same
trends
observed
polarisation
consistent with 2011 average
polarisation
decay in fill “comparable” to 2011
E.C. Aschenauer
Phil Pile Meeting 2012/03/20
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