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particledetector · Counting Cosmic Particles from Space
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Messages 357 - 386 of 689   Oldest  |  < Older  |  Newer >  |  Newest
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357
Hi all! Excellent news: After contacting countless wire and cable manufacturers, I finally found one company which not only produces suitable wire for the flat...
Hannes Mayer
al_birdie_2000
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Jun 3, 2005
9:42 pm
358
... Hannes, Are you going to share the source of this wonderful wire? When you do you might as well answer the inevitable next question: "What's the minimum...
Joseph DiVerdi
diverdi@...
Send Email
Jun 4, 2005
1:27 am
359
Hi Joseph! Joseph DiVerdi wrote: [...] ... The wire is from http://www.leoni.de/ , a german company. The salesperson at Leoni told me that minimum is 20kg -...
Hannes Mayer
al_birdie_2000
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Jun 4, 2005
1:57 pm
360
Excellent. If the minimum length is very much, I'm willing to chip in with a few others to split an order. Cheers, Ned...
Ned Lewis
ned2lewis
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Jun 8, 2005
12:14 am
361
Colorado chosen for cosmic ray observatory DENVER, Colorado (AP) -- An international science group Tuesday chose Colorado as the site of a $50 million...
Hannes Mayer
al_birdie_2000
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Jun 8, 2005
5:09 pm
362
Hi all! Here is a new method for muon detection: http://www.cosmicrays.org/muon-spark-chamber.php Comments, feedback and reproduction reports very welcome! ...
Hannes Mayer
al_birdie_2000
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Jun 18, 2005
9:18 am
363
... That's very interesting. What kind of results have you obtained so far? -- ... Chris Smolinski Black Cat Systems http://www.blackcatsystems.com...
Chris Smolinski
lastoneouttu...
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Jun 18, 2005
11:53 am
364
This may seem to be a stupid question on my part but I have to ask this... The web site did not state if the high voltage was in the form of AC or DC...??? Or...
Island Roamer
island_roame...
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Jun 19, 2005
2:41 am
365
Hi Chris! Chris Smolinski wrote: [...] ... Well, my results are basically those stated on the webpage. I've had 2 successful runs so far, each with background...
Hannes Mayer
al_birdie_2000
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Jun 19, 2005
3:44 pm
366
Forgot something: ... ... yes, it does matter. Those segments are basically a sort of ion chamber, with the difference that the "readout" is optical -> the...
Hannes Mayer
al_birdie_2000
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Jun 19, 2005
3:50 pm
367
... It still is very interesting! -- ... Chris Smolinski Black Cat Systems http://www.blackcatsystems.com...
Chris Smolinski
lastoneouttu...
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Jun 19, 2005
5:27 pm
368
... Absolutely :-) There is just the problem that - at least here - only the outermost segments are flashing. Actually only the right outermost segments of the...
Hannes Mayer
al_birdie_2000
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Jun 19, 2005
5:45 pm
369
Hey everyone, I am planning on building a cosmic ray detector but i need some help about where and how i can get the parts (Scintillator, PMT, HV power supply,...
haluk luke
haluk_72
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Jul 16, 2005
10:37 pm
370
... For a power supply I bought this: HP HARRISON 6515A 1600 VOLT DC POWER SUPPLY Item number: 7520637278 It is 0-1,600 vdc variable, 1/2 amp output so ideal...
Rasputin Novgorod
priapulus
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Jul 17, 2005
3:29 pm
371
Try Ebay for HV converters eg;- 7530161668 For scint plastic the best guy is ;- http://www.oetech.com/neutron14.html Don is most helpful ... help about where...
starfire_003001
Offline Send Email
Jul 17, 2005
4:29 pm
372
Could you provide a link for ordering this item? Dusty ... From: Rasputin Novgorod <priapulus@...> Date: Sun, 17 Jul 2005 08:29:05 -0700 (PDT) To:...
Dusty Samouce
samouce2
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Jul 17, 2005
5:39 pm
373
No, but you can... 1) Try a google search on "HP 6515A" 2) Go to eBay, enter search "HP 6515A" 3) a) Go to your eBay account b) Click on "searches" (left...
Rasputin Novgorod
priapulus
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Jul 17, 2005
6:41 pm
374
Hello, Does anyone have a recommendation for a long time duration counter? I am finishing up a scintillation detector using a comparator board with a three...
Daniel Friedman
dbffxcon
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Jul 19, 2005
12:37 am
375
... Hi, If you can produce a RS-232 level pulse, you could use my Rad software to record the number of counts per minute (or whatever time period is of...
Chris Smolinski
lastoneouttu...
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Jul 19, 2005
1:10 am
376
Hi Dan! Daniel Friedman wrote: [...] ... If you send the pulses to the PC anyway (and keep the PC's clock set via some time server) you don't need to send an...
Hannes Mayer
al_birdie_2000
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Jul 21, 2005
12:28 pm
377
... signal. I've been reading about things like Netclock, which promise 1usec timing. I don't need GPS level accuracy, but those clocks are also available. ...
Daniel Friedman
dbffxcon
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Jul 22, 2005
2:18 am
378
Hi Daniel! Daniel Friedman wrote: [...] ... Well, 1us timing might be possible in theory with a perfect operating system, but since every OS has a latency, the...
Hannes Mayer
al_birdie_2000
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Jul 24, 2005
1:18 am
379
... One thing just came to my mind: Absolute timing in the microsecond range for a "passive" particle detector ("passive" means measuring natural i.e. muons...
Hannes Mayer
al_birdie_2000
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Jul 24, 2005
5:11 pm
380
... HP 6515A DC Power supply eBay Item number: 7533429147 /b ____________________________________________________ Start your day with Yahoo! - make it your...
Rasputin Novgorod
priapulus
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Jul 25, 2005
3:17 am
381
The "Buy It Now" price is $650.00, not $50.00. JWS ... From: Rasputin Novgorod <priapulus@...> Date: Sun, 24 Jul 2005 20:17:05 -0700 (PDT) To:...
Dusty Samouce
samouce2
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Jul 26, 2005
1:45 am
382
Huh? I don't see a "buy it now" price. The current bid is US $15.69. Do you understand how an auction works; did you find the correct item? Cut and past the...
Rasputin Novgorod
priapulus
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Jul 26, 2005
3:10 am
383
The ATLAS barrel tile calorimeter has recorded its first events underground using a cosmic ray trigger, as part of the detector commissioning programme. ...
Hannes Mayer
al_birdie_2000
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Jul 29, 2005
11:31 am
384
Does any one know which PMT is used in the Harshaw 24MBHAS16/5B-QX. It is a 6" NaI but the tube is tape wrapped and I don't want to remove to see the tube...
starfire_003001
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Jul 31, 2005
2:08 pm
385
Hello again, In Joseph DiVerdi's coincidence circuit shown on the group home page under 'electronics,' positive pulses from the GM's are put through the ...
Daniel Friedman
dbffxcon
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Aug 1, 2005
5:59 pm
386
Hi Daniel! ... Yes. The inverters are just used for pulse shaping and as you correctly said, 2 are used to have a positive pulse again. ... Yes #2. Better use...
Hannes Mayer
al_birdie_2000
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Aug 1, 2005
6:31 pm
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