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797XMinutes of Hall A Group Meeting=1B*p322y1911X4 November 1997, 13:30 =
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=08 2=1B(51X=1B*p622y600Xo =1B(s9.96v16901T=1B*p720XGeneral =
Announcements: (Kees de Jager)=1B*c51D=1B*c237E=1B(s296W=04=00=0E=02=00=00=
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=0D=07=00=03=14 =0D=08=00=04=13=08=0D =00=06=11=07
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=1B(s9.96v16901T=1B*p840XWelcome to Eugene Chudakov, new Hall A staff, =
visiting this week. Starts work officially=1B*p822y840X5 =
January.=1B(51X=1B*p922y720X=ED =1B(s9.96v16901T=1B*p840XLatest beam =
schedule posted on the web today. Schedule is fixed until July and =
tentative=1B*p1022y840Xthrough the fall. All are urged to read the =
attached memorandum when reviewing the=1B*p1122y840Xschedule. Schedule =
is basically as discussed three weeks ago. =
(see=1B*p1222y840Xhttp://www.jlab.org/exp_prog/experiment_schedule/)=1B(5=
1X=1B*p1322y720X=ED =1B(s9.96v16901T=1B*p840XCall for proposals for =
PAC13 went out yesterday. Deadline is 18 December 1997. =
PAC13=1B*p1422y840Xmeets 2-6 February 1998.=1B(51X=1B*p1522y720X=ED =
=1B(s9.96v16901T=1B*p840XAs a cost cutting measure pager use, in =
particular users=92 pagers, is being reviewed.=1B*p1622y840XUnnecessary =
pagers will be called in.=1B(51X=1B*p1722y720X=ED =
=1B(s9.96v16901T=1B*p840XRun Coordinators MUST go back to using the cell =
phone.=1B(51X=1B*p1822y600Xo =1B(s9.96v16901T=1B*p720XRun report =
(91-026): (Riad Suleiman)=1B(51X=1B*p1922y720X=ED =
=1B(s9.96v16901T=1B*p840XStarted data taking 13 =
October.=1B(51X=1B*p2022y720X=ED =1B(s9.96v16901T=1B*p840XFinished =
B(Q=1B(s6.48V=1B*p1980Y2=1B(s9.96V=1B*p2022Y) a week =
ago.=1B(51X=1B*p2122y720X=ED =
=1B(s9.96v16901T=1B*p840XA(Q=1B(s6.48V=1B*p2080Y2=1B(s9.96V=1B*p2122Y): =
have up to Q=1B(s6.48V=1B*p2080Y2=1B(s9.96V=1B*p2122Y =3D 2.4. Have six =
points to go.=1B(51X=1B*p2222y720X=ED =1B(s9.96v16901T=1B*p840XIn =
general things are going smoothly.=1B(51X=1B*p2322y720X=ED =
=1B(s9.96v16901T=1B*p840XHaving some problems with magnet =
controls=1B(51X=1B*p2422y720X=ED =1B(s9.96v16901T=1B*p840XPresently =
having a maintenance day. Closing the Hall tomorrow morning =
(Wednesday=1B*p2522y840X5 November)=1B(51X=1B*p2622y720X=ED =
=1B(s9.96v16901T=1B*p840XPreliminary results will be presented at the =
collaboration meeting.=1B(51X=1B*p2722y600Xo =
=1B(s9.96v16901T=1B*p720XInstallation: (Ed Folts)=1B(51X=1B*p2822y720X=ED=
=1B(s9.96v16901T=1B*p840XMark Stevens is on vacation. Don=92t call him. =
Ed is Tech on call.=1B(51X=1B*p2922y720X=ED =1B(s9.96v16901T=1B*p840XNeed=
input for January February shutdown tasks.=1B(51X=1B*p3022y720X=ED =
=1B(s9.96v16901T=1B*p840XQuestion re nitrogen needs for Compton =
Polarimeter. Answer just clean gas, J-P will =
provide=1B*p3122y840Xdeteails.=1B(51X=1B*p3222y720X=ED =
=1B(s9.96v16901T=1B*p840XJames Proffitt is working on Hadron Dipole =
controls.=1B(51X=1B*p3322y600Xo =1B(s9.96v16901T=1B*p720XM=F8ller =
Polarimeter: (Sirish Nanda)=1B(51X=1B*p3422y720X=ED =
=1B(s9.96v16901T=1B*p840XFixed problems:=1B(19M=1B(s16686T=1B*p3522y840X-=
=1B(19U=1B(s16901T=1B*p960XSoftware target status now clear and =
unambiguous.=1B(19M=1B(s16686T=1B*p3622y840X- =
=1B(19U=1B(s16901T=1B*p960XQuadrupole tunes at 4 GeV or higher: Valery =
says shouldn=92t be a problem. Also plan to=1B*p3722y960Xupgrade power =
supplies for higher current capability in January =
shutdown.=1B(51X=1B*p3822y720X=ED =1B(s9.96v16901T=1B*p840XCollimator =
for entrance to the dipole is here from Kentucky. Trying to install =
during=1B*p3922y840X17-18 November maintenance day.=1B(51X=1B*p4022y720X=ED=
=1B(s9.96v16901T=1B*p840XCable trays for power supplies should be =
finished by 15 December.=1B(51X=1B*p4122y720X=ED =
=1B(s9.96v16901T=1B*p840XOps manual is on the web.=1B(51X=1B*p4222y720X=ED=
=1B(s9.96v16901T=1B*p840XWorking on integrating the M=F8ller into the =
OSP.=1B(51X=1B*p4322y600Xo =1B(s9.96v16901T=1B*p720XBeamline: (Arun =
Saha)=1B(51X=1B*p4422y720X=ED =1B(s9.96v16901T=1B*p840XBeam has been =
runnning well=1B(51X=1B*p4522y720X=ED =1B(s9.96v16901T=1B*p840XOTR test =
was very successful. Indication is that it is a good diagnostic tool =
that is effectively non-=1B*p4622y840Xinterfering=1B(51X=1B*p4722y720X=ED=
=1B(s9.96v16901T=1B*p840XClarification on requirements for Bscopes. =
Need:=1B(19M=1B(s16686T=1B*p4822y840X- =1B(19U=1B(s16901T=1B*p960Xone =
point averaging to see raster amplitude.=1B(19M=1B(s16686T=1B*p4922y840X-=
=1B(19U=1B(s16901T=1B*p960Xeighty five point averaging to cancel out =
raster amplitude=1B(19M=1B(s16686T=1B*p5022y840X- =
=1B(19U=1B(s16901T=1B*p960XFFT to identify frequencies of =
components.=1B(51X=1B*p5122y600Xo =1B(s9.96v16901T=1B*p720XMagnet =
monitoring/Optics: (John LeRose)=1B(51X=1B*p5222y720X=ED =
=1B(s9.96v16901T=1B*p840XJLAB TN 97-042 technical note re absolute =
calibration of the Hadron spectrometer is in the =
library.=1B(51X=1B*p5322y720X=ED =1B(s9.96v16901T=1B*p840XHas completed =
training and is now an ARM.=1B(51X=1B*p5422y600Xo =
=1B(s9.96v16901T=1B*p720XESPACE & Web page: (Ole =
Hansen)=1B(51X=1B*p5522y720X=ED =1B(s9.96v16901T=1B*p840XHas Taken over =
responsibility for maintaining ESPACE.=1B(19M=1B(s16686T=1B*p5622y840X- =
=1B(19U=1B(s16901T=1B*p960XLearning ESPACE=1B(19M=1B(s16686T=1B*p5722y840=
X- =1B(19U=1B(s16901T=1B*p960XNew release coming out =
soon.=1B(51X=1B*p5822y720X=ED =1B(s9.96v16901T=1B*p840XMaking =
improvements and updates to the Hall A web page (low =
priority)=1B*p180y4031X=1B*c6a6bP=1B*cP=1B*p+6X=1B*c701aP=1B*p4738X=1B*c6=
aP=1B*cP=1B*p3984y4031X=1B*cP=1B*cP=1B*p+6X=1B*c701aP=1B*p4738X=1B*c6aP=1B=
*cP=1B*p186y4031X=1B*c3798bP=1B*p4738X=1B*cP=1B(s8.04v3B=1B*p324y4172X=1B=
&dDDistribution=1B&d@=1B(sB=1B*p404y4172XH. Areti=1B*p484y4172XJ. =
Bennett=1B*p564y4172XM. Bennett=1B*p644y4172XP. Brindza=1B*p724y4172XL. =
Cardman=1B*p804y4172XG. Chang=1B*p884y4172XJ.-P. Chen=1B*p964y4172XC. =
Curtis=1B*p1044y4172XK. de Jager=1B*p1124y4172XJ. Domingo=1B*p1204y4172XL=
. Ewell=1B*p1284y4172XH. Fenker=1B*p1364y4172XJ.M. Finn=1B*p1444y4172XK. =
Fissum=1B*p1524y4172XE. Folts=1B*p1604y4172XA. Gavalya=1B*p1684y4172XJ. =
Gomez=1B*p1764y4172XO. Hansen=1B*p1844y4172XR. Harris=1B*p1924y4172XK. =
Hokansson=1B*p2004y4172XA. Hutton=1B*p2084y4172XA. =
Ketikyan=1B*p2164y4172XM. Kuss=1B*p2244y4172XJ. LeRose=1B*p2324y4172XM. =
Liang=1B*p2404y4172XN. Liyanage=1B*p2484y4172XP. =
Markowitz=1B*p2564y4172XR. Michaels=1B*p2644y4172XJ. =
Miller=1B*p2724y4172XS. Nanda=1B*p2804y4172XJ. Proffitt=1B*p2884y4172XD. =
Prout=1B*p2964y4172XP. Rutt=1B*p3044y4172XA. Saha=1B*p3124y4172XJ. =
Segal=1B*p3204y4172XC. Sinclair=1B*p3284y4172XM. Stevens=1B*p3364y4172XR.=
Suleiman=1B*p3444y4172XM. Syptak=1B*p3524y4172XP. Ulmer=1B*p3604y4172XR.=
Van der Meer=1B*p3684y4172XB. Vlahovic=1B*p3764y4172XD. =
Weisenberger=1B*p3844y4172XB. Wojtsekhowski=1B&l1X=0C=1B(s9.96V=1B*p222y2=
431XMinutes of Hall A Group Meeting 4 November 1997=1B(51X=1B*p522y600Xo =
=1B(s9.96v16901T=1B*p720XDetectors: (Bogdan =
Wojtsekhowski)=1B(51X=1B*p622y720X=ED =1B(s9.96v16901T=1B*p840XReviewed =
results of tests with new aerogel (n =3D =
1.015)=1B(19M=1B(s16686T=1B*p722y840X- =1B(19U=1B(s16901T=1B*p960Xseven =
photoelectrons=1B(19M=1B(s16686T=1B*p822y840X- =
=1B(19U=1B(s16901T=1B*p960Xworking on setup to bake =
aerogel=1B(51X=1B*p922y720X=ED =1B(s9.96v16901T=1B*p840XHas final report =
from survey and alignment re VDC positioning in the Hadron =
Arm=1B(51X=1B*p1022y720X=ED =1B(s9.96v16901T=1B*p840XGeometry database =
for the Electron Arm is completed.=1B(51X=1B*p1122y600Xo =
=1B(s9.96v16901T=1B*p720XDAQ: (Bob Michaels)=1B(51X=1B*p1222y720X=ED =
=1B(s9.96v16901T=1B*p840XWorking on simulations and analysis of pole tip =
scattering for parity.=1B(51X=1B*p1322y720X=ED =
=1B(s9.96v16901T=1B*p840XImprovements in DAQ:=1B(19M=1B(s16686T=1B*p1422y=
840X- =1B(19U=1B(s16901T=1B*p960XTrigger pattern is latched for every =
event, simplifying deadtime corrections=1B(19M=1B(s16686T=1B*p1522y840X- =
=1B(19U=1B(s16901T=1B*p960XWorking on improvements to reduce =
deadtime.=1B(51X=1B*p1622y600Xo =1B(s9.96v16901T=1B*p720XMeme Liang =
reports:=1B(51X=1B*p1722y720X=ED =1B(s9.96v16901T=1B*p840XSitting shifts =
for 91-026=1B(51X=1B*p1822y720X=ED =1B(s9.96v16901T=1B*p840XPreparing =
presentation for collaboration meeting=1B(51X=1B*p1922y600Xo =
=1B(s9.96v16901T=1B*p720XMichael Kuss reports he=92s working on =
improvements to ESPACE and looking into the =
advantages=1B*p2022y720XFortran=1B*p987X90 for discussions during the =
collaboration meeting.=1B(51X=1B*p2122y600Xo =1B(s9.96v16901T=1B*p720XJac=
k Segal reports that his next big project is automation of shield house =
doors.=1B(51X=1B*p2222y600Xo =1B(s9.96v16901T=1B*p720XEngineering/Design:=
(Paul Brindza)=1B(51X=1B*p2322y720X=ED =1B(s9.96v16901T=1B*p840XSeptum =
Magnets: Franco is still trying to put funding =
together.=1B(51X=1B*p2422y720X=ED =1B(s9.96v16901T=1B*p840XHorizontal =
pointing system components are being assembled. Ready in a few =
weeks.=1B(51X=1B*p2522y720X=ED =1B(s9.96v16901T=1B*p840XAnte chamber for =
Q=1B(s6.48V=1B*p2539Y2=1B(s9.96V=1B*p2522Y-dipole vacuum chamber being =
worked on. Estimate 2 weeks to complete.=1B(51X=1B*p2622y720X=ED =
=1B(s9.96v16901T=1B*p840XMaking progress on the radiator. Estimate 2 =
weeks until all is checked and approved.=1B(51X=1B*p2722y720X=ED =
=1B(s9.96v16901T=1B*p840XHave some drawings on slit/collimator box. Not =
complete.=1B(51X=1B*p2822y720X=ED =1B(s9.96v16901T=1B*p840XHigh pressure =
=1B(s6.48V=1B*p2780Y3=1B(s9.96V=1B*p2822YHe cells modified for =
compatability cryotarget.=1B(19M=1B(s16686T=1B*p2922y840X- =
=1B(19U=1B(s16901T=1B*p960XFor more on =
=1B(s6.48V=1B*p2880Y3=1B(s9.96V=1B*p2922YHe check out the =
website=1B*p3022y960X(http://www.cebaf.gov/Hall-A/equipment/targets/targe=
t_sys.html)=1B(51X=1B*p3122y720X=ED =1B(s9.96v16901T=1B*p840XProjects in =
the queue:=1B(19M=1B(s16686T=1B*p3222y840X- =
=1B(19U=1B(s16901T=1B*p960XS=1B(s6.48V=1B*p3239Y3=1B(s9.96V=1B*p3222Y =
pmt mount=1B(19M=1B(s16686T=1B*p3322y840X- =1B(19U=1B(s16901T=1B*p960Xlif=
ting fixture for FPP=1B(19M=1B(s16686T=1B*p3422y840X- =
=1B(19U=1B(s16901T=1B*p960XVDC haul out frame=1B*p3522y4057X-JJL=0C=1BE=1B=
%-12345X@PJL EOJ
@PJL RDYMSG DISPLAY=3D""
=1B%-12345X
--2438_69f9-2909_4bed-6cf5_3239--