today.
Note hydrogen polarization at 32 deg is ~ 65 +- 2 %, with a straight
"hand fit", and wch TDC spectra look beautiful again. If time permits we
will also do a quick run at 60 deg to add a 3rd data point (one shift,
while reducing wch flow).
See logbook. See you soon.
-- tancredi
________________________________________________________________________________
Tancredi Botto, phone: +1-617-253-9204 mobile: +1-978-490-4124
research scientist MIT/Bates, 21 Manning Av Middleton MA, 01949
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
On Fri, 29 Oct 2004, Chris Crawford wrote:
> Hello,
> Does anyone know when we are switching to the 45 deg spin angle to
> compare the polarizations?
> --Chris
>
> Electronic Log Book wrote:
>
> >Operator: franklin
> >
> >Polarized hydrogen data taking. Runs through 12169 taken and crunched.
> >Smooth running. Beam polarization appears a bit low (63%). Target cell temperature is pretty high (145). Wire chamber time spectra look pretty good
> >and vertex spectra look OK for e-p trigger. Problem mentioned by Hauke with MFT hasn't recurred since early in shift
> >
> >
> >
> >
>
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