Search found 87 matches

by pilgrim
05 Apr 2018, 14:30
Forum: Shielding
Topic: Ask Wolfram Alpha about half value layer
Replies: 7
Views: 4569

Re: Ask Wolfram Alpha about half value layer

Hi Geoff,
do you put the tungsten layer inside or outside the lead?
by pilgrim
04 Apr 2018, 14:30
Forum: Shielding
Topic: Ask Wolfram Alpha about half value layer
Replies: 7
Views: 4569

Re: Ask Wolfram Alpha about half value layer

I didn't know Wolfram Alpha : thank you!
by pilgrim
25 Mar 2018, 18:59
Forum: Spectrum
Topic: Starter with Kr85
Replies: 2
Views: 1390

Re: Starter with Kr85

Hi Peter, interesting.
Do you think these tube starters are still available, for example on eBay?
by pilgrim
20 Mar 2018, 17:00
Forum: Software
Topic: PRA 17 Release
Replies: 4
Views: 2482

Re: PRA 17 Release

Hi Steven,
my fault, I used the comma as decimal point instead of the point.
Now it works fine.

Thank you.
by pilgrim
18 Mar 2018, 00:47
Forum: Software
Topic: PRA 17 Release
Replies: 4
Views: 2482

Re: PRA 17 Release

Hi Steven, this morning I was trying PRA 17 and during the calibration with LYSO PRA gave me this message: gaussian table overflow PRA_17_Message_1.png These are my settings PRA_17_Message_2.png This doesn't happen with PRA16, with same settings and same source and I don't understand the reason of t...
by pilgrim
26 Feb 2018, 15:22
Forum: Detector drivers
Topic: GS-PRO' potentiometer
Replies: 2
Views: 1780

Re: GS-PRO' potentiometer

Excellent!
Thank you Steven.
by pilgrim
25 Feb 2018, 21:48
Forum: Detector drivers
Topic: GS-PRO' potentiometer
Replies: 2
Views: 1780

GS-PRO' potentiometer

Hi all, a simple question about the GS-PRO. When I plug the driver to the probe, is it better to start from 0V and raise the voltage till the correct value, or is it possible to leave the voltage settings as the last use? Idem when I unplug the probe : is it necessary to lower the voltage until 0V o...
by pilgrim
09 Feb 2018, 07:39
Forum: Software
Topic: PRA 17 Release
Replies: 4
Views: 2482

Re: PRA 17 Release

Very nice! As soon as I finish to calibrate my GS I'll surely try it.
by pilgrim
14 Jan 2018, 20:53
Forum: Software
Topic: OpenGamma
Replies: 3
Views: 2342

Re: OpenGamma

Thank you Lars for your review, very interesting.
by pilgrim
11 Jan 2018, 07:48
Forum: Shielding
Topic: Old lead
Replies: 23
Views: 9086

Re: Old lead

I couldn't help trying to assembly a castle with the lead ingots, to make the test Max suggested. Castle_2jpg.jpg As you see the castle it's quite teetering and full of fissures, but it works respectably : with a 2"x2" NaI probe, it gives a background of 8.3 CPS against about 166.5 CPS on the outsid...