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On 23rd November 2009, during the early commissioning of the CERN Large Hadron Collider (LHC), two counter-rotating proton bunches were circulated for the first time concurrently in the machine, at the LHC injection energy of 450 GeV per beam. Although the proton intensity was very low, with only one pilot bunch per beam, and no systematic attempt was made to optimize the collision optics, all LHC experiments reported a number of collision candidates. In the ALICE experiment, the collision region was centred very well in both the longitudinal and transverse directions and 284 events were recorded in coincidence with the two passing proton bunches. The events were immediately reconstructed and analyzed both online and offline. We have used these events to measure the pseudorapidity density of charged primary particles in the central region. In the range |eta| < 0.5, we obtain dNch/deta = 3.10 +- 0.13 (stat.) +- 0.22 (syst.) for all inelastic interactions, and dNch/deta = 3.51 +- 0.15 (stat.) +- 0.25 (syst.) for non-single diffractive interactions. These results are consistent with previous measurements in proton--antiproton interactions at the same centre-of-mass energy at the CERN SppS collider. They also illustrate the excellent functioning and rapid progress of the LHC accelerator, and of both the hardware and software of the ALICE experiment, in this early start-up phase.
calculations show that the smaller the size of the black hole, the faster the evaporation rate, resulting in a sudden burst of particles as the micro black hole suddenly explodes.
Originally posted by Gentill Abdulla
reply to post by MolecularPhD
I had heard about it while watching history channel one day. I thought that it said that they had produced mini black holes. Well as the CIA would call it it was an "inteligence malfunction".
Originally posted by Openmindedbutnotgullable
Gentill Abdulla,
I respect your pursuits to push the envelope, your drive and ambition. I just have one question, where are you from? I ask because if you are settled in the contental US I would ask why is a 13 year old on line at 11:41? If in Germany or Korea, ok.
B. Molloy
Originally posted by Gentill Abdulla
reply to post by YouAreDreaming
I'll try it. Mostly because if it works then great I will have time traveled (in a sense) ,but if it doesn't then still great because I woke up early.
Originally posted by Eurisko2012
Originally posted by Openmindedbutnotgullable
Gentill Abdulla,
I respect your pursuits to push the envelope, your drive and ambition. I just have one question, where are you from? I ask because if you are settled in the contental US I would ask why is a 13 year old on line at 11:41? If in Germany or Korea, ok.
B. Molloy
If you put your location in your Avatar, then he may do the same.
You teach people how to treat you.
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BTW, why did you just now join ATS?
I just joined and have not figured out how to update my profile.
I joined because I am fascinated with what I can not explain. I have an open mind and want to understand (with filter attached) from sound explanation of both sides of the arguement so that I can have an in formed opinion and not a naive opinion. Thank you for asking.