Subject:
Minutes of the (last)APD meeting 05/30/2007
From:
Vladimir Shiltsev <shiltsev@fnal.gov>
Date:
Fri, 01 Jun 2007 19:51:06 -0500
To:
Vladimir Shiltsev <alexahin@fnal.gov>, Dixon Bogert <bogert@fnal.gov>, Jean-Paul Carneiro <carneiro@fnal.gov>, church@Fnal.gov, David Johnson <dej@fnal.gov>, Alexandre Drozhdin <drozhdin@fnal.gov>, Eliana Gianfelice <eliana@fnal.gov>, gelfand@fnal.gov, Gennady Kuznetsov <gkuznetsov@fnal.gov>, "John A. Johnstone" <jjohnstone@fnal.gov>, Michael Kriss <kriss@fnal.gov>, Dave Wildman <wildman@fnal.gov>, Nikolai Mokhov <mokhov@fnal.gov>, Noriaki Nakao <nakao@fnal.gov>, Francois Ostiguy <ostiguy@fnal.gov>, piot@fnal.gov, Igor Rakhno <rakhno@fnal.gov>, Bob Zwaska <zwaska@fnal.gov>, Jean Slaughter <slaughter@fnal.gov>, Sergei Striganov <strigano@fnal.gov>, Tanaji Sen <tsen@fnal.gov>, Vsevolod Kamerdzhiev <vsevolod@fnal.gov>, Bob Webber <webber@fnal.gov>, Vladimir Shiltsev <alvin@fnal.gov>, Giorgio Apollinari <apollina@fnal.gov>, Vladimir Shiltsev <burov@fnal.gov>, Cheng-Yang Tan <cytan@fnal.gov>, "Elvin Harms, Jr." <harms@fnal.gov>, Andreas Jansson <jansson@fnal.gov>, Elliott McCrory <mccrory@fnal.gov>, Sergei Nagaitsev <nsergei@fnal.gov>, "Ostroumov, Peter N." <ostroumov@anl.gov>, "Roger L. Dixon" <roger@fnal.gov>, Michael Syphers <syphers@fnal.gov>, vs <val@fnal.gov>, Alexander Valishev <valishev@fnal.gov>, James T Volk <volk@fnal.gov>, Shavkat Singatulan <singatul@fnal.gov>, Vaia Papadimitriou <vaia@fnal.gov>

1. News : a)Vladimir presented new rules of salary increase distribution; b) APC celebration party Thur 4pm;
c) this is the last APD meeting; d) smth like "APD meetings" (meetings of several smaller APC groups having common interests in
theory, simulations, beam studies, etc) will be reinstated in a different form; e) there will be no general APC meetings -
just meetings of  department heads and group leaders.

2. GL reports:  a) Yuri  - last week there was PIC (parametric Ionization cooling) workshop at FNAL, many issues
discussed (e.g. space charge); Eliana finally got good TBT data from MI, sees betatron phase dependence on N_p, though
estimated impedance is smaller than what was expected; L.Vorobiev has some results on SC in MI. ; b) Bob W - Dave Wildman
did first tests of his novel RF distribution system at MDB; RT CH-01 cavity wil lbe tested next week; SC spoke cavity has arrived
from Europe - will be tested in ILC vert test cryostat; still not much progress with BNL laser profiler (being tested with 750 keV electrons,
vacuum spoils laser effect).;
c) Mike C - Jim Volk is attending ILC alignment workshop; ILC main linac lattice is in AD depository; Francois works on emmittance
growth simulations due to SR in ILC undulator; d) Tanaji - LARP DoE Review next week; Magnet steering committe calls to
consider testing Nb3Sn magnet(s) in RHIC or Tevatron; JJ trying to figure out whether any slim magnets could help LHC - no luck so far.

3. (Regular report) Seva Kamerdzhiev (doc0-2794) reported that horizontal TEL-1 provides positive effect on proton lifetime of ~+(20-40)%
(compare with 120% by vertical TEL-2) at the beginning of HEP stores. Dependence on e-p misalignment studied. Still no good explanation why such small tuneshifts lead to very significant proton loss reduction.