From: Chris Seez
Sent: 10 January 2002 10:50
To: Dave Cockerill
Subject: RE: EE position (fwd)

OK. That's great. So it was just Justin and Bruce misleading us!

On Thu, 10 Jan 2002, Dave Cockerill wrote:

> 
>  We have lost NOTHING !
> 
>  The ENVELOPE for EE starts at 3170 mm, see Fig 3-5 of the EDR.
> 
>  The PHYSICAL start of the EE (ie the screen) is at 3172 mm,
> 
>  ie 2 mm clearance with respect to the defined envelope.
> 
>  Please be careful with your terminology !
> 
>  Dave.
> 
> -----Original Message-----
> From: Chris Seez [mailto:Chris.Seez@cern.ch]
> Sent: 10 January 2002 09:44
> To: Alexandre Nikitenko
> Cc: Dave.Barney@cern.ch; Bruce.Kennedy@cern.ch; Dave Cockerill
> Subject: Re: EE position (fwd)
> 
> 
> Sasha: that's fine.
> DaveC: seems you just lost 2mm from what you believed to be endcap 
> volume.
> 
> Chris.
> 
> 
> On Thu, 10 Jan 2002, Alexandre Nikitenko wrote:
> 
> > Hi,
> >
> > Philippe Bloch confirmed that :
> >
> > 1. end of presh. envelope Z=316.8cm
> >
> > 2. start of EE envelole Z = 317.2 cm.
> >
> > so, we have a gap 0.4 cm. between presh. and EE.
> >
> > I am going to update tz files with these numbers. (Present numbers are :
> > EE start at 317.0 cm. and zero gap between end of presh. and EE).
> >
> > Please, confirm today that you agree on that, so with coming today 
> > Bruce's EE correction we may have full ECAL ready by today night.
> >
> > Cheers, Sasha.
> >
> >
> > ---------- Forwarded message ----------
> > Date: Thu, 10 Jan 2002 09:10:45 +0100
> > From: Philippe BLOCH <>
> > To: Alexandre Nikitenko <Alexandre.Nikitenko@cern.ch>
> > Subject: Re: EE position
> >
> > Sacha
> > Happy new year to you too !
> > I checked with our engineers. Your information is correct.
> >
> > Cheers
> >
> > Philippe
> >
> >
> > Alexandre Nikitenko wrote:
> > >
> > > Dear Philippe,
> > >
> > > Happy New Year ! As we discussed in Moscow, could you, please to 
> > > help me to clarify the current presh. and EE positions. I would 
> > > need the following :
> > >
> > > end of preshower envelope in Z
> > >
> > > start of EE envelope in Z
> > >
> > > accorind to my present understanding the end of presh. envelope
> Z=316.8cm
> > >
> > > start of EE envelope Z = 317.2 cm. Is it correct ?
> > >
> > > thanks, Sasha.
> >
> > --
> > Philippe Bloch
> > CERN EP Division
> > Tel: 41 22 767 8636  or GSM: 41 79 201 3647
> > Fax:  ======== 8930
> > Sec   ======== 3433 (local)
> > Sec   ======== 2277 (CMS secretariat)
> >
> >
> 
>