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Weekly JLC Physics Group Meeting
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Place: 3F Bldg 3, KEK
Time: 10:30, 97/06/13
[0] Agenda
0.1) VTX R&D Status
0.2) CAL R&D Status
0.3) CDC R&D Status
[1] VTX R&D Status (Kuniya)
Kuniya from Saga Univ. reported preliminary results from
the beam test.
The pulse height spectra after 3x3 clustering show a clean
pion peak well separated from noise for both plus and minus
charge data taken at 15C with a readout time of 1.3sec.
[2] CAL R&D Status (Y.Fujii)
Y.Fujii summarized the last beam run:
================ Run Summary of T411 Beam Test ================
13-June-1997
Based on the on-line run summary made by Kanaya-san's DAQ program.
Added conditions based on log-books by Y.Fujii.
[CONTENTS]
( 0) Run0013-0055 = Tuning
( 1) Run0056-0081 = 6:2
( 2) Run0105-0121 = 10:2
( 3) Run0123-0151 = 8:2
( 4) Run0175-0194 = 4:2
( 5) Run0195-0218 = 8:2 + 4:2(40Layers)
( 6) Run0269-0299 = 8:2 + 4:2(30Layers)
( 7) Run0320-0326 = 8:2 check ( 4GeV and 2GeV only)
( 8) Run0336-0392 = 8:2+2
( 9) Run0393-0422 = 16:6
(10) Run0427-0445 = 16:4
(11) Run0449-0469 = 16:2
(12) Run0480-0491 = Diverse Runs with 16:2
(13) Run1001-1040 = GSO runs with 8:2
=================================================================
[3] CDC R&D Status (Norik)
Planning to measure the gas gain as a function of the
surface field on a 30micron sense wire, varying gas
mixing ratio. A small cylindrical proportional counter
has just been completed for the gain measurement.
The measurement will take place in KEK-Tanashi and the
first result will be available by the end of July.
fujiik@jlcux1.kek.jp