t′ at the LHC: the physics of discovery | Zendy

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t′ at the LHC: the physics of discovery

Author(s) -

Bob Holdom

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/03/063

Subject(s) - large hadron collider , particle physics , physics , invariant mass , physics beyond the standard model , invariant (physics) , nuclear physics , mathematical physics

A search for a fourth family at the LHC is presently a low priority, but weargue that an effective search can be conducted early with only a few inversefemtobarns of data. We discuss a method based on invariant masses of singlejets for identifying the $W$'s originating from heavy quark decays. This cansignificantly increase signal to background in the reconstruction of the $t'$mass. We also study the various types of physics that can impact the backgroundestimate, most notably higher order effects, initial state radiation, andmodels of the underlying event.Comment: 16 pages, 12 figures, small improvements, version to appear in JHE

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