[Hps-analysis] test pass 7d

[McCormick, Jeremy I.]

Great….thank you for checking this!

I’m going to start the release around 4pm PST.

On Nov 17, 2017, at 2:17 PM, Graf, Norman A. <ngraf at slac.stanford.edu<mailto:ngraf at slac.stanford.edu>> wrote:

Dear Colleagues,

I've posted the results of my first, quick analysis of the tpass7d output to the #project-2015pass7 channel on Slack: https://urldefense.proofpoint.com/v2/url?u=https-3A__heavyphotonsearch.slack.com_messages_C5FCT7161_&d=DwIGaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=J4PP6Zl8IyGHpsqWaKegORCYw8hoCHePTw5O95a5lqQ&m=AuxPppafoc3FqwcV8aDC6Nu2Cb_DwDMEfT05MVQjmk4&s=bhUokf2xAhnhGYNEb_y-WNXW0fmNsZECUmXbQyy_i-M&e=  . So far I have only analyzed the Møller skim from run 5772.
Preliminary conclusions are:


Unconstrained vertex position reconstruction consistent with beamspot centered at (0,0) and a target at z=0.5mm.

Unconstrained vertex momenta show only very small deviations of beam from z axis.

Uniformity of mass calculated from the three vertex collections (Unconstrained, BeamspotConstrained and TargetConstrained) confirms the internal consistency of locating the target at z=0.5mm.

TargetConstrained Møller mass (from a simple Gaussian fit) is

m=0.033276±0.000003

TargetConstrained Møller mass resolution (from a simple Gaussian fit) is

sigma=1.4633E-3 ± 3.0E-6

So far, so good.

Norman


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