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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

Jon Butterworth
London Guardian [1]
April 1, 2012

Complex software models are used to understand the results from the Large Hadron Collider.

These include simulations of the particle physics [2] in the proton-proton collisions, as well as of the material and geometry [3] 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.

Full article here [1]


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URLs in this post:

[1] London Guardian: http://www.guardian.co.uk/science/life-and-physics/2012/apr/01/1

[2] simulations of the particle physics: http://www.guardian.co.uk/science/life-and-physics/2011/oct/11/1

[3] material and geometry: http://www.guardian.co.uk/science/life-and-physics/2010/sep/14/m-theory-lhc-atlas-detector

[4] 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

[5] Large Hadron Collider slated to restart operation in September: http://www.prisonplanet.com/large-hadron-collider-slated-to-restart-operation-in-september.html

[6] 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

[7] 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

[8] 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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