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First evidence for string theory at the Large Hadron Collider
Posted By admin On April 1, 2012 @ 5:21 am In Sci Tech | Comments Disabled
London Guardian 
April 1, 2012
Complex software models are used to understand the results from the Large Hadron Collider.
These include simulations of the particle physics  in the proton-proton collisions, as well as of the material and geometry  of the detectors and the strength of the various magnetic fields. As more data are accumulated, the required precision of this software increases.
A recent review recommended that the number of decimal places used to represent numbers in the software should be increased. This means all mathematical constants such as e and pi, as well as physical constants and the measured dimensions of the detectors. So far, so routine. But when adding more precision to pi, a strange effect was noticed.
The alignment of charged particle tracks across detector boundaries actually got worse when a more precise value was used. In addition, the agreement between simulation and data also got slightly worse.
This really should not happen – more precision should mean better alignment and better agreement.
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URLs in this post:
 London Guardian: http://www.guardian.co.uk/science/life-and-physics/2012/apr/01/1
 simulations of the particle physics: http://www.guardian.co.uk/science/life-and-physics/2011/oct/11/1
 material and geometry: http://www.guardian.co.uk/science/life-and-physics/2010/sep/14/m-theory-lhc-atlas-detector
 Large Hadron Collider to be launched Oct. 21 – Russian scientist: http://www.prisonplanet.com/large-hadron-collider-to-be-launched-oct-21-russian-scientist.html
 Large Hadron Collider slated to restart operation in September: http://www.prisonplanet.com/large-hadron-collider-slated-to-restart-operation-in-september.html
 Over 700 Russian scientists part of Large Hadron Collider project: http://www.prisonplanet.com/over-700-russian-scientists-part-of-large-hadron-collider-project.html
 Large Hadron Collider to start high energy ‘God Particle’ hunt: http://www.prisonplanet.com/large-hadron-collider-to-start-high-energy-god-particle-hunt.html
 Unexpected data from the Large Hadron Collider suggest the collisions may be producing a new type of matter: http://www.prisonplanet.com/unexpected-data-from-the-large-hadron-collider-suggest-the-collisions-may-be-producing-a-new-type-of-matter.html
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