Search For Third Generation Leptoquarks In P P Collisions At Square Root S

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Search For 3rd Generation Vector Leptoquarks In The Di Tau Di Jet Channel In Pp Collisions At Square Root Of S

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Author : Stanley Scott Forrester
language : en
Publisher:
Release Date : 2006

Search For 3rd Generation Vector Leptoquarks In The Di Tau Di Jet Channel In Pp Collisions At Square Root Of S written by Stanley Scott Forrester and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

Search For Third Generation Leptoquarks In P P Collisions At Square Root S

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Author : Thomas Patrick Baumann
language : en
Publisher:
Release Date : 1996

Search For Third Generation Leptoquarks In P P Collisions At Square Root S written by Thomas Patrick Baumann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Leptons (Nuclear physics) categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.

Search For The Third Generation Scalar Leptoquarks And Heavy Right Handed Neutrinos In Final States With Two Tau Leptons And Two Jets In Proton Proton Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2017

Search For The Third Generation Scalar Leptoquarks And Heavy Right Handed Neutrinos In Final States With Two Tau Leptons And Two Jets In Proton Proton Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

A search is performed for third-generation scalar leptoquarks and heavy right-handed neutrinos in events containing one electron or muon, one hadronically decaying tau lepton, and at least two jets, using a $\sqrt{s}$=13 TeV pp collision data sample corresponding to an integrated luminosity of 12.9 inverse femtobarns collected with the CMS detector at the LHC in 2016. The number of observed events is found to be in agreement with the standard model prediction. A limit is set at 95% confidence level on the product of the leptoquark pair production cross section and beta squared where beta is the branching fraction of leptoquark decay to a tau lepton and a bottom quark. Assuming beta=1, third-generation leptoquarks with masses below 850 GeV are excluded at 95 % confidence level. An additional search based on the same event topology involves heavy right-handed neutrinos, N[R], and right-handed W bosons, W[R], arising in a left-right symmetric extension of the standard model. In this search, W[R] bosons are assumed to decay to a tau lepton and N[R] followed by the decay of the N[R] to a tau lepton and an off-shell W[R] boson. Assuming the mass of the right-handed neutrino to be half of the mass of the right-handed W boson, W[R] boson masses below 2.9 TeV are excluded at 95 % confidence level. These results improve on the limits from previous searches for third-generation leptoquarks and heavy right-handed neutrinos with tau leptons in the final state.

Search For Third Generation Scalar Leptoquarks In The T Tau Channel In Proton Proton Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2015

Search For Third Generation Scalar Leptoquarks In The T Tau Channel In Proton Proton Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

A search for pair production of third-generation scalar leptoquarks decaying to top quark and $\tau$ lepton pairs is presented using proton-proton collision data at a center-of-mass energy of $\sqrt{s}$ = 8 TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 fb-1. The search is performed using events that contain an electron or a muon, a hadronically decaying $\tau$ lepton, and two or more jets. The observations are found to be consistent with the standard model predictions. Assuming that all leptoquarks decay to a top quark and a $\tau$ lepton, the existence of pair produced, charge -1/3, third-generation leptoquarks up to a mass of 685 GeV is excluded at 95% confidence level. This result constitutes the first direct limit for leptoquarks decaying into a top quark and a $\tau$ lepton, and may also be applied directly to the pair production of bottom squarks decaying predominantly via the R-parity violating coupling [lambda]' 333.

Nuclear Data

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Author :
language : en
Publisher:
Release Date : 1996

Nuclear Data written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nuclear physics categories.

Search For First Generation Leptoquarks In The Evjj And Eejj Decay Channels In Pp Collisions At Square Root Of S

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Author : Federica Strumia
language : en
Publisher:
Release Date : 2001

Search For First Generation Leptoquarks In The Evjj And Eejj Decay Channels In Pp Collisions At Square Root Of S written by Federica Strumia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

Search For Third Generation Vector Leptoquarks In P Bar P Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2007

Search For Third Generation Vector Leptoquarks In P Bar P Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

Search For Scalar Leptoquarks In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2016

Search For Scalar Leptoquarks In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

An inclusive search for a new-physics signature of lepton-jet resonances has been performed by the ATLAS experiment. Scalar leptoquarks, pair-produced in pp collisions at $\sqrt{s}$ = 13 TeV at the large hadron collider, have been considered. An integrated luminosity of 3.2 fb-1, corresponding to the full 2015 dataset was used. First (second) generation leptoquarks were sought in events with two electrons (muons) and two or more jets. The observed event yield in each channel is consistent with Standard Model background expectations. The observed (expected) lower limits on the leptoquark mass at 95% confidence level are 1100 and 1050 GeV (1160 and 1040 GeV) for first and second generation leptoquarks, respectively, assuming a branching ratio into a charged lepton and a quark of 100%. Upper limits on the aforementioned branching ratio are also given as a function of leptoquark mass. In conclusion, compared with the results of earlier ATLAS searches, the sensitivity is increased for leptoquark masses above 860 GeV, and the observed exclusion limits confirm and extend the published results.

Das Schweizer Buch

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Author :
language : un
Publisher:
Release Date : 2003

Das Schweizer Buch written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Swiss literature categories.