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Showing 1 to 2 of 2 for “"preons"”.
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Search For Contact Interactions In The Dielectron Channel In P-P Collisions At Sqrt(s) = 8 Tev At Cms
… made of more fundamental particles known as preons.</p> <p>The existence of preons will be manifest as a four fermion contact</p> <p>interaction in the annihilation of a quark and anti-quark, in a p-p collision, producing positron-electron pairs. At high mass,</p> <p>such pairs are also …
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Search For Contact Interactions Using The Dimuon Mass Spectrum In P-P Collisions At Sqrt(s) = 8 Tev At Cms
… quarks and leptons have substructures, known as preons, the manifestation of compositeness can be a four-fermion contact interaction. The experimental signal for contact interactions is a non-resonant enhancement of the number of events in the high-mass region of the dimuon mass spectrum. This …