Search found 159 matches

by Danny252
Fri Dec 11, 2009 11:58 pm
Forum: The Accelerator
Topic: Christmas Break Question
Replies: 4
Views: 2403

Re: Christmas Break Question

I would assume that people would stay to monitor the cryo system and other essentials, and that at least a certain number of people would be on call in case something goes wrong?
by Danny252
Fri Dec 11, 2009 7:41 pm
Forum: The Accelerator
Topic: How much does it cost...
Replies: 6
Views: 3230

How much does it cost...

I've been wondering how much filling the LHC with protons/ions costs.

How much does a proton fill cost?
I assume more bunches/intensity cost more?
Do Pb ions cost more to use?
Is there a pricetag per collision? :P
by Danny252
Fri Dec 11, 2009 7:36 pm
Forum: End Of The World
Topic: My stance
Replies: 7
Views: 10933

Re: My stance

Just think - 150 years ago, it was believed a speed of 30mph would kill any person by some critics of rail travel. And yet humans have reached far higher speeds because someone dared to try.

Anyway, whatcha gonna do if the LHC does destroy the world? Call ghostbusters? :D
by Danny252
Fri Dec 11, 2009 3:41 pm
Forum: Controversial topics
Topic: 666
Replies: 103
Views: 32998

Re: 666

I only came to see if he had a picture of CERN's logo. He didn't :(
by Danny252
Fri Dec 11, 2009 3:38 pm
Forum: Portal link and forum suggestions
Topic: Yo Xymox, Meltonix has Atlas screens!
Replies: 5
Views: 4015

Re: Yo Xymox, Meltonix has Atlas screens!

We have the ALICE one - Alice > Status.
by Danny252
Fri Dec 11, 2009 3:32 pm
Forum: The Accelerator
Topic: Daily Schedules and Hiccups
Replies: 41
Views: 16185

Re: Daily Schedules and Hiccups

Friday: -- Comments: Looks like some of it may have been cut off for some reason? -- Morning: - Transverse scan IP8 - Transverse scan IP1 - Transverse scan IP5 - RF adjustements, no stable beams, ramp up ALICE dipole to "-" - Transverse scan IP2 Afternoon, evening, night: - As soon as CMS solenoid a...
by Danny252
Fri Dec 11, 2009 3:31 pm
Forum: The Accelerator
Topic: LHCb Logfile
Replies: 2
Views: 2019

Re: LHCb Logfile

As you may know, the protons aren't a constant beam, but are split into "bunches". In the end the LHC intends to run [some number over 1000] bunches at once. If you imagine the LHC as a circle split into quite a few sections, each section being called a "bucket", a bunch can be in any bucket theoret...
by Danny252
Thu Dec 10, 2009 4:45 pm
Forum: The Accelerator
Topic: Daily Schedules and Hiccups
Replies: 41
Views: 16185

Re: Daily Schedules and Hiccups

Thursday: -- Comments: Supposedly some collisions. Doing dump studies at 17:45 CERN time, Collimator Studies + Higher Intensity beams still on for later. -- Morning: - Test transverse IP adjustments in IP5 - Quick optics verification at end of fill - Bring ALICE solenoid back up ("-" polarity) - Con...
by Danny252
Wed Dec 09, 2009 10:54 pm
Forum: Controversial topics
Topic: Several biggest errors of particle physicists.
Replies: 1135
Views: 415777

Re: Several biggest errors of particle physicists.

Mm, photoshop flavoured.
by Danny252
Wed Dec 09, 2009 2:20 pm
Forum: Off topic
Topic: My Setup - Arms Race !!
Replies: 15
Views: 6120

Re: My Setup - Arms Race !!

DCWhitworth wrote:
Danny252 wrote:http://img690.imageshack.us/img690/2024/screenieb.jpg

Automatically updates my desktop every 10 seconds, so whenever I alt-tab... :-)
Is that an activex wallpaper ?
Same concept, but Active Desktop support with windows went with Vista (or xp?). The little program on the left does the same job.
by Danny252
Wed Dec 09, 2009 2:13 pm
Forum: The Accelerator
Topic: Daily Schedules and Hiccups
Replies: 41
Views: 16185

Re: Daily Schedules and Hiccups

It's schedule time! Wednesday's: -- Comments: Seems stable multibunch beams are today's objective. Not as fun as collisions at >2TeV... -- Morning: - Re-establish beams - 1h stable beams with LHCb dipole off, test transverse steering in IP5. - Continue with tests for higher intensity. Afternoon/even...
by Danny252
Tue Dec 08, 2009 12:02 am
Forum: Off topic
Topic: My Setup - Arms Race !!
Replies: 15
Views: 6120

Re: My Setup - Arms Race !!

http://img690.imageshack.us/img690/2024/screenieb.jpg

Automatically updates my desktop every 10 seconds, so whenever I alt-tab... :-)
by Danny252
Mon Dec 07, 2009 9:31 pm
Forum: The Accelerator
Topic: Daily Schedules and Hiccups
Replies: 41
Views: 16185

Re: Daily Schedules and Hiccups

Monday Night Schedule -- Comments: Cryo recovery faster than predicted, precycling as I post this (2230). Mostly easily decipherable tonight -- Evening: - Recover from access, expect cryo back by about 22:00-00:00. - Precycle. - Put LHCb dipole back ON (same polarity as yesterday, B field pointing d...
by Danny252
Mon Dec 07, 2009 11:42 am
Forum: The Accelerator
Topic: Cryo Problems 07/12
Replies: 2
Views: 1886

Cryo Problems 07/12

At 0425 this morning, Sector 45's Cryo system indicated a problem with the warm compressor (which is..?). At 0439, all sectors other than 23 had tripped - to quote the logbook: "Now all the sectors except S23 are tripping! Why?" This was soon resolved to be a brief electrical fault that affected mul...
by Danny252
Mon Dec 07, 2009 11:31 am
Forum: New Users Start Here
Topic: What do the displays mean ?
Replies: 85
Views: 105876

Re: What do the displays mean ?

It appears Status Op has lost its BRAN counts on the top graph, and this is now showing Intensity for each beam and Power only.

Might be because the machine is down currently, however.