Difference: 2010Feb19 (r5 vs. r4)

-- tried to read dead material distribution from the presentation of Thomas,

where only a theta-phi distribution is available. The uncertainty of this

method is NOT small.

-- z-position of the dead material was choosen between MVD and the backward

endcap EMC.

-- copper was used to simulate the dead materials.

-- David implemented this setup with CAD, where all the copper blocks facing

the target point. However, it turned out to be difficult to use the CAD file

in Babar frame work simulation.

-- because the difficulty to rotate the copper block to the proper angle,

the shape of the copper block was assigned to be cubic and not facing target point.

-- there is a "unidentified structure" in Babar frame work, which probably

corresponds to an outdated MVD support structure. Mamen will replace it

with alluminum pipe having the radiation length in Thomas presentation.

-- Dmitry will implement the same setup.

-- Chisqr value converged closed to one, if the fitting range of the energy

deposit is limitted to the peak region.

David:

-- more details of the Olympus luminosity monitor have been fixed.

Dmitry:

-- designed a logo for Hadron Physics 2

There will be the first Physics seminar at Mainz starting from 14:00 next Friday,

where we will also have a short group meeting.

-- MariaCarmenMoraEspi - 27 Jul 2010



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