Search For Long Lived Neutral Particles In Final States With A Muon And Multi Track Displaced Vertex With The Atlas Detector At The Large Hadron Collider
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Search For Long Lived Neutral Particles In Final States With A Muon And Multi Track Displaced Vertex With The Atlas Detector At The Large Hadron Collider
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Author : Chang Wei Loh
language : en
Publisher:
Release Date : 2013
Search For Long Lived Neutral Particles In Final States With A Muon And Multi Track Displaced Vertex With The Atlas Detector At The Large Hadron Collider written by Chang Wei Loh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Index To Theses With Abstracts Accepted For Higher Degrees By The Universities Of Great Britain And Ireland And The Council For National Academic Awards
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Author :
language : en
Publisher:
Release Date : 2008
Index To Theses With Abstracts Accepted For Higher Degrees By The Universities Of Great Britain And Ireland And The Council For National Academic Awards written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Search For Massive Long Lived Particles Using Multitrack Displaced Vertices Or Displaced Lepton Pairs In Math Display
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Author :
language : en
Publisher:
Release Date : 2015
Search For Massive Long Lived Particles Using Multitrack Displaced Vertices Or Displaced Lepton Pairs In Math Display 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.
Many extensions of the Standard Model posit the existence of heavy particles with long lifetimes. This article presents the results of a search for events containing at least one long-lived particle that decays at a significant distance from its production point into two leptons or into five or more charged particles. In this study, this analysis uses a data sample of proton-proton collisions at \(\sqrt{s} = 8\) TeV corresponding to an integrated luminosity of 20.3 fb−1 collected in 2012 by the ATLAS detector operating at the Large Hadron Collider. No events are observed in any of the signal regions, and limits are set on model parameters within supersymmetric scenarios involving R-parity violation, split supersymmetry, and gauge mediation. In some of the search channels, the trigger and search strategy are based only on the decay products of individual long-lived particles, irrespective of the rest of the event. In these cases, the provided limits can easily be reinterpreted in different scenarios.
Search For Massive Long Lived Particles In Final States With A Multi Track Displaced Vertex And An Electron In Pp Collisions At S
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Author : Nimrod Taiblum
language : en
Publisher:
Release Date : 2017
Search For Massive Long Lived Particles In Final States With A Multi Track Displaced Vertex And An Electron In Pp Collisions At S written by Nimrod Taiblum 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.
Extending The Limits In The Hunt For Long Lived Heavy Neutral Leptons With The Atlas Experiment At The Large Hadron Collider At Cern
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Author : Christian Appelt
language : en
Publisher:
Release Date : 2024*
Extending The Limits In The Hunt For Long Lived Heavy Neutral Leptons With The Atlas Experiment At The Large Hadron Collider At Cern written by Christian Appelt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024* with categories.
Englische Version: A search for a long-lived, heavy neutral lepton ($\mathcal{N}$) in 139~fb$ {-1}$ of $\sqrt{s}=13$~TeV $pp$ collision data collected between 2015 and 2018 by the ATLAS detector at the Large Hadron Collider is presented. The $\mathcal{N}$ is assumed to be produced via $W \rightarrow \mathcal{N} \mu$ or $W \rightarrow \mathcal{N} e$ and decays into two charged leptons and a neutrino, forming a unique displaced vertex signature. A novel technique is used to reconstruct the $\mathcal{N}$ mass that discriminates between signal and background. No signal is observed, and limits are set on the squared mixing parameters of the $\mathcal{N}$ with the left-handed neutrino states for the $\mathcal{N}$ mass range $3$~GeV~$
Search For Pair Produced Long Lived Neutral Particles Decaying To Jets In The Atlas Hadronic Calorimeter In Pp Collisions At U221a S
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Author :
language : en
Publisher:
Release Date : 2015
Search For Pair Produced Long Lived Neutral Particles Decaying To Jets In The Atlas Hadronic Calorimeter In Pp Collisions At U221a 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.
The ATLAS detector at the Large Hadron Collider at CERN is used to search for the decay of a scalar boson to a pair of long-lived particles, neutral under the Standard Model gauge group, in 20.3 fb-1 of data collected in proton–proton collisions at √s=8 TeV. This search is sensitive to long-lived particles that decay to Standard Model particles producing jets at the outer edge of the ATLAS electromagnetic calorimeter or inside the hadronic calorimeter. No significant excess of events is observed. Limits are reported on the product of the scalar boson production cross section times branching ratio into long-lived neutral particles as a function of the proper lifetime of the particles. Limits are reported for boson masses from 100 GeV to 900 GeV, and a long-lived neutral particle mass from 10 GeV to 150 GeV.
Search For Pair Produced Long Lived Neutral Particles Decaying To Jets In The Atlas Hadronic Calorimeter In Pp Collisions At 2
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Author :
language : en
Publisher:
Release Date : 2015
Search For Pair Produced Long Lived Neutral Particles Decaying To Jets In The Atlas Hadronic Calorimeter In Pp Collisions At 2 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.
The ATLAS detector at the Large Hadron Collider at CERN is used to search for the decay of a scalar boson to a pair of long-lived particles, neutral under the Standard Model gauge group, in 20.3 fb-1 of data collected in proton-proton collisions at [arrow]"=8 TeV. This research is sensitive to long-lived particles that decay to Standard Model particles producing jets at the outer edge of the ATLAS electromagnetic calorimeter or inside the hadronic calorimeter. No significant excess of events is observed. Limits are reported on the product of the scalar boson production cross section times branching ratio into long-lived neutral particles as a function of the proper lifetime of the particles. Limits are reported for boson masses from 100 GeV to 900 GeV, and a long-lived neutral particle mass from 10 GeV to 150 GeV.
A Search For Long Lived Particles That Decay To Muons Using The Atlas Detector
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Author : Melissa Yexley
language : en
Publisher:
Release Date : 2023
A Search For Long Lived Particles That Decay To Muons Using The Atlas Detector written by Melissa Yexley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Searches For Long Lived Particles At The Tevatron
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Author :
language : en
Publisher:
Release Date : 2008
Searches For Long Lived Particles At The Tevatron written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Several searches have been performed for long lived particles using data collected by the CDF and D0 detectors at the Fermilab Tevatron collider. These include searches for charged massive stable particles, stopped gluinos, neutral long-lived particles decaying to muons, and magnetic monopoles. These proceedings [1] review recent experimental results from Run II analyses.
Search For Tev Scale Gravity Signatures In High Mass Final States With Leptons And Jets With The Atlas Detector At U221a S
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Author :
language : en
Publisher:
Release Date : 2016
Search For Tev Scale Gravity Signatures In High Mass Final States With Leptons And Jets With The Atlas Detector At U221a 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.
In this paper, a search for physics beyond the Standard Model, in final states with at least one high transverse momentum charged lepton (electron or muon) and two additional high transverse momentum leptons or jets, is performed using 3.2 fb-1 of proton–proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2015 at √s=13 TeV. The upper end of the distribution of the scalar sum of the transverse momenta of leptons and jets is sensitive to the production of high-mass objects. No excess of events beyond Standard Model predictions is observed. Finally, exclusion limits are set for models of microscopic black holes with two to six extra dimensions.