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Thanks for the comments, Caroline! A few sentences to fit into the document would be very helpful. Thanks, Jae Caroline Milstene wrote: > You might want to add a few numbers : > > I mean that it might be worse mentionning that in heavy flavour jets events for a sample > of 10000 e+e- --> to heavy flavour jets, ~68000 particles are produced. > > Of those 68000 particles 73% are low momenta particles, with a momentum below 3 GeV. > > For the 28% particles with higher momenta, half ot them stil have a momentuml below 10 GeV. Therefore low energy test beams are important. > This trend toward lower momenta particles tend to be even stronger for softer jets from > light quarks. > (details can be found on JINST-SISSA-p1003-October06- table 3, page 7, > http://www.iop.org/EJ/toc/1748-0221/1/10) > > However, for part of the physics study beyond the standard model, e.g. involving > sleptons, the containment and accurate measurement of the high momenta particles is > required as well. Test beams for high momenta particles are therefore important too > during detector prototyping.( see SnowMass 2005- talk by Ayres Freitas at the Muon > Id session) > > > > > Caroline Milstene > FermiLab > MS 231 Tel 630-840-5414 > P.O.Box 500 > Batavia-Il-60510 > e-mail:[log in to unmask] > > ----- Original Message ----- > From: Jim Brau <[log in to unmask]> > Date: Wednesday, July 25, 2007 4:22 pm > Subject: [Fwd: Final review for ILC TB Roadmap] > To: [log in to unmask] > > > >> PLEASE RESPOND TO THIS REQUEST FROM VACLAV, FELIX, KIYOTOMO, >> AND JAE BY JULY 31. >> >> >> >> Subject: Final review for ILC TB Roadmap >> Date: Wed, 25 Jul 2007 11:44:01 -0500 >> From: Jae Yu <[log in to unmask]> >> To: Jim Brau <[log in to unmask]>, "[log in to unmask]" >> >> <[log in to unmask]>, Hitoshi Yamamoto >> <[log in to unmask]>, Vaclav Vrba <[log in to unmask]>, >> [log in to unmask], KAWAGOE Kiyotomo <[log in to unmask]>, >> >> Jae Yu <[log in to unmask]> >> >> Dear Jim, Francois and Hitoshi, >> >> The final draft of the ILC TB Roadmap document is prepared and ready >> for >> the community review before the release. The document can be found >> at >> the URL: >> >> >> >> Given the importance of this document, we would greatly appreciate if >> you could distribute this message to the community for our colleagues' >> comments within a week, by July 31, so that we can release the document >> to public by Aug. 1. >> >> Thank you for your help! >> >> Vaclav, Felix, Kiyotomo and Jae >> >> >> -- >> ------------------------------------- >> James E. Brau >> Knight Professor of Natural Science >> Physics Department >> and Center for High Energy Physics >> 1274 University of Oregon >> Eugene, OR 97403-1274 >> (541) 346-4766 >>