Search For Longlived Heavy Neutral Leptons Using A Displaced Jet Tagger In The Cms Experiment

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Search For Longlived Heavy Neutral Leptons Using A Displaced Jet Tagger In The Cms Experiment

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Author : Haifa Rejeb Sfar
language : en
Publisher:
Release Date : 2024

Search For Longlived Heavy Neutral Leptons Using A Displaced Jet Tagger In The Cms Experiment written by Haifa Rejeb Sfar 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.

Aspects Of Wimp Dark Matter Searches At Colliders And Other Probes

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Author : Enrico Morgante
language : en
Publisher: Springer
Release Date : 2017-10-05

Aspects Of Wimp Dark Matter Searches At Colliders And Other Probes written by Enrico Morgante and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-05 with Science categories.

This thesis covers several theoretical aspects of WIMP (weakly interacting massive particles) dark matter searches, with a particular emphasis on colliders. It mainly focuses on the use of effective field theories as a tool for Large Hadron Collider (LHC) searches, discussing in detail the issue of their validity, and on simplified dark matter models, which are receiving a growing attention from the physics community. It highlights the theoretical consistency of simplified models, which is essential in order to correctly exploit their potential and for them to be a common reference when comparing results from different experiments. This thesis is of interest to researchers (both theorists and experimentalists) in the field of dark matter searches, and offers a comprehensive introduction to dark matter and to WIMP searches for students and non-experts.

Novel Ideas For Accelerators Particle Detection And Data Challenges At Future Colliders

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Author : Alessandro Tricoli
language : en
Publisher: Frontiers Media SA
Release Date : 2023-07-21

Novel Ideas For Accelerators Particle Detection And Data Challenges At Future Colliders written by Alessandro Tricoli and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-21 with Science 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 Displaced Leptons In Proton Proton Collisions At Sqare Root S

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Author : Bryan Cardwell
language : en
Publisher:
Release Date : 2021

Search For Displaced Leptons In Proton Proton Collisions At Sqare Root S written by Bryan Cardwell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Leptons (Nuclear physics) categories.

A search is presented for new long-lived particles that propagate a measurable distance through the CMS detector before decaying to leptons. The search is performed in 113–118 fb-1 of proton-proton collision data produced by the CERN LHC at a center-of-mass energy of 13 TeV and collected by the CMS detector in 2016, 2017, and 2018. Events are selected with two leptons (an electron and a muon, two electrons, or two muons) that both have transverse impact parameter values between 0.01 and 10 cm. Using transverse impact parameter as the discriminating variable allows for sensitivity to displaced decays without requiring that the leptons form a common vertex. The search is designed to be sensitive to a wide range of new physics models that produce displaced di-lepton final states. The observation is consistent with the background-only hypothesis, and limits are set on the product of the cross-section of top squark pair production and the branching fraction to a lepton and a b or d quark through an R-parity-violating vertex. For a proper decay length hypothesis of 2 cm, top squarks with masses up 1500 GeV are excluded at the 95% confidence level.

Search For Heavy Neutral Leptons In W Jet Decays

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Author : Roel Aaij
language : en
Publisher:
Release Date : 2020

Search For Heavy Neutral Leptons In W Jet Decays written by Roel Aaij and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

Search For Displaced Leptons In The E Final State At The Cms Experiment

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Author : Bingxuan Liu
language : en
Publisher:
Release Date : 2016

Search For Displaced Leptons In The E Final State At The Cms Experiment written by Bingxuan Liu 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.

A Search For Heavy Neutral Leptons With The Opal Detector At Lep

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Author : Michael William Redmond
language : en
Publisher:
Release Date : 1996

A Search For Heavy Neutral Leptons With The Opal Detector At Lep written by Michael William Redmond 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.

Search For Long Lived Particles Decaying To Oppositely Charged Lepton Pairs With The Atlas Experiment At S

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Author : Dominik Krauss
language : en
Publisher:
Release Date : 2019

Search For Long Lived Particles Decaying To Oppositely Charged Lepton Pairs With The Atlas Experiment At S written by Dominik Krauss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

Heavy Neutral Lepton Decay Searches At The Na62 Experiment At Cern

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Author : Lorenza Iacobuzio
language : en
Publisher:
Release Date : 2020

Heavy Neutral Lepton Decay Searches At The Na62 Experiment At Cern written by Lorenza Iacobuzio and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.