{ "id": "1206.3921", "version": "v2", "published": "2012-06-18T13:22:55.000Z", "updated": "2013-01-28T10:05:26.000Z", "title": "Search for charge-asymmetric production of W' bosons in top pair + jet events from pp collisions at sqrt(s) = 7 TeV", "authors": [ "CMS Collaboration" ], "comment": "Submitted to Phys. Lett. B", "journal": "Phys. Lett. B 717 (2012) 351", "doi": "10.1016/j.physletb.2012.09.048", "categories": [ "hep-ex" ], "abstract": "A search is presented for charge-asymmetric production of a W' boson that has been proposed to accommodate the forward-backward asymmetry observed in the production of top-antitop quark pairs at the Tevatron. The new heavy W' boson would be produced in association with a top quark and would decay into top and down quarks. The data correspond to an integrated luminosity of 5.0 inverse femtobarns in pp collisions at a center-of-mass energy of 7 TeV, recorded by the CMS detector at the LHC. No significant excess above the standard model expectations is observed, and, from a combination of the electron-plus-jets and muon-plus-jets channels, a 95% confidence level lower limit of 840 GeV is set on the W' boson mass for a W' boson model with values for coupling constants to top and down quarks g(L) = 0 and g(R) = 2. In addition, a kinematic reconstruction of the W' resonance mass using the inherent charge asymmetry of this model finds no indication of the presence of W' events in the data.", "revisions": [ { "version": "v2", "updated": "2013-01-28T10:05:26.000Z" } ], "analyses": { "keywords": [ "pp collisions", "charge-asymmetric production", "jet events", "confidence level lower limit", "top-antitop quark pairs" ], "tags": [ "journal article" ], "publication": { "journal": "Physics Letters B", "year": 2012, "month": "Oct", "volume": 717, "number": "4-5", "pages": 351 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 1118577, "adsabs": "2012PhLB..717..351C" } } }