Re: mucap 2006

[Claude Petitjean <claude.petitjean@psi.ch>]

Dear Sasha,

thanks for your detailed information. It's exactly what I wanted to know.

In a next step I will discuss matters with Peter K. and then inform you 
about our
intentions.

Basically, I see no problem to prepare the desired vacuum equipment at PSI.

With best regards

Claude

Alexander Vasilyev wrote:

>     Dear Claude,
>
>
> I am in Juelich now and we are working with VASA and "polarazed 
> molecular hydrogen". So, we have intensive summer time.
>
> We formulated two tasks for finalizing of the job:
> 1. Measurements (or definition of the upper limit) of the deuterium in 
> the TPC;
> 2. Absolute calibration of the humidity sensor.
>
> I will try to estimate very roughly manpower and expenses of both tasks.
>
> 1st task.
> To start separator operation we need 4 people (Marat, Peter, Oleg 
> Fedorchenko and me). Everything for this job is ready. I can say that 
> 10 days in PSI is sufficient for this job.
> 2nd task.
> I changed my original opinion to use cryo generator for this task. 
> Liquid nitrogen is absolutely sufficient. So, we are not going to 
> disassemble separator. The best way will be if you will find in PSI 
> ANY vacuum chamber with upper flange ISO K 100 or ISO K 160 or ISO K 
> 200 and the height more then 500 mm for temporary using. Vacuum has to 
> be 10-3 - 10-4. In Gatchina we will produce on the flange liquid 
> nitrogen volume, Xe volume, condenser and termolizer with long tube 
> for the humidity normalization. The price of this job is about 1500 Euro.
> In addition we need pressure sensor (as good as possible 1000-1500 
> Eur) and calibrated (?) PT100 300-400 Euro.
> If will be impossible to find vacuum volume in PSI we can produce it 
> but transportation in this case has to be done in an official way.
> For the calibration we need about two weeks (Marat, Peter and me).
>
> Conclusion:
> 1. For these two jobs we need 3 weeks in PSI for Marat, Peter and me 
> (perhaps 4 in case of problems) and 2 weeks for Oleg Fedorchenko.
> 2. We need about 1500 Eur in PNPI for the production (Vorobyev?).
> 3. We need about 2000 Eur for the sensors and components in PSI.
>
> The preferable time is March-April, June, October. But we do not have 
> now fixed dates, so, everything can be changed.
>
> Practical steps.
> If we basically will accept the jobs I will prepare for you 
> transparences with planning and technical details for collaboration 
> meeting.
>
> With best regards Sasha.
>
> -- 
> Vasilyev Alexander
>
> Petersburg Nuclear Physics Institute,
> Laboratory of Cryogenic and Superconductive Technique.