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Related papers: Tagging Boosted Ws with Wavelets

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In this paper we introduce a new approach to study jet substructure in the center-of-mass frame of the jet. We demonstrate that it can be used to discriminate the boosted heavy particles from the QCD jets and the method is complimentary to…

High Energy Physics - Phenomenology · Physics 2015-03-19 Chunhui Chen

A method is proposed for distinguishing highly boosted hadronically decaying W's (W-jets) from QCD-jets using jet substructure. Previous methods, such as the filtering/mass-drop method, can give a factor of ~2 improvement in S/sqrt(B) for…

High Energy Physics - Phenomenology · Physics 2011-05-12 Yanou Cui , Zhenyu Han , Matthew D. Schwartz

This paper reports a detailed study of techniques for identifying boosted, hadronically decaying $W$ bosons using 20fb$^{-1}$ of proton-proton collision data collected by the ATLAS detector at the LHC at a centre-of-mass energy $\sqrt{s} =$…

High Energy Physics - Experiment · Physics 2016-03-24 ATLAS Collaboration

The distribution of particles inside hadronic jets produced in the decay of boosted $W$ and $Z$ bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the…

High Energy Physics - Experiment · Physics 2016-06-01 ATLAS Collaboration

We propose a novel model-independent method to search for W' bosons at the Large Hadron Collider by looking at dijets where one jet is identified as a boosted-top jet and another jet is tagged as a boosted-bottom jet. Performing a detector…

High Energy Physics - Phenomenology · Physics 2014-07-30 Daniel Duffty , Zack Sullivan

We evaluate the phenomenological applicability of the dynamical grooming technique, introduced in [1], to boosted W and top tagging at LHC conditions. An extension of our method intended for multi-prong decays with an internal mass scale,…

High Energy Physics - Phenomenology · Physics 2021-01-04 Yacine Mehtar-Tani , Alba Soto-Ontoso , Konrad Tywoniuk

In this paper we study the identification of boosted hadronically decaying top quarks using jet substructure in the center-of-mass frame of the jet. We demonstrate that the method can greatly reduce the QCD jet background while maintaining…

High Energy Physics - Phenomenology · Physics 2013-04-11 Chunhui Chen

This Letter presents a study of the reconstruction and identification of $H\to WW^*$ with high transverse momentum, where both $W^{(*)}$ bosons decay hadronically. We show that the boosted $H\to WW^*$ can be effectively reconstructed as a…

High Energy Physics - Phenomenology · Physics 2021-02-26 Chunhui Chen

At the Large Hadron Collider, numerous physics processes expected within the standard model and theories beyond it give rise to very high momentum particles decaying to multihadronic final states. Development of algorithms for efficient…

High Energy Physics - Experiment · Physics 2016-11-30 J. S. Conway , R. Bhaskar , R. D. Erbacher , J. Pilot

Most sparticle decay cascades envisaged at the Large Hadron Collider (LHC) involve hadronic decays of intermediate particles. We use state-of-the art techniques based on the \kt jet algorithm to reconstruct the resulting hadronic final…

High Energy Physics - Phenomenology · Physics 2009-11-13 J. M. Butterworth , J. R. Ellis , A. R. Raklev

The performance of taggers for hadronically decaying top quarks and $W$ bosons in $pp$ collisions at $\sqrt{s}$ = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider is presented. A set of techniques based on jet shape…

High Energy Physics - Experiment · Physics 2019-06-05 ATLAS Collaboration

In searches for new physics in the energy regime of the LHC, it is becoming increasingly important to distinguish single-jet objects that originate from the merging of the decay products of W bosons produced with high transverse momenta…

High Energy Physics - Experiment · Physics 2014-12-10 CMS Collaboration

We introduce a new jet shape -- N-subjettiness -- designed to identify boosted hadronically-decaying objects like electroweak bosons and top quarks. Combined with a jet invariant mass cut, N-subjettiness is an effective discriminating…

High Energy Physics - Phenomenology · Physics 2015-03-17 Jesse Thaler , Ken Van Tilburg

We briefly review common tools and methods to identify boosted, hadronically decaying top quarks at the LHC experiments. This includes generic jet substructure variables, specific top identification algorithms, and recent developments in…

High Energy Physics - Phenomenology · Physics 2018-01-15 Gregor Kasieczka

The search for exclusive hadronic vector boson decays is an ongoing part of the LHC programme where, to date, no such decays have been observed. In addition to the intrinsic interest in the branching ratios, there is potential for a…

High Energy Physics - Experiment · Physics 2021-04-28 W. J. Murray , E. Jones

The jet mass of W bosons decaying to a quark-antiquark pair is measured in W+jets events from proton-proton collisions at a center-of-mass energy of 13 TeV. The data used were collected by the CMS experiment at the CERN LHC and correspond…

High Energy Physics - Experiment · Physics 2026-03-23 CMS Collaboration

We demonstrate that the classification of boosted, hadronically-decaying weak gauge bosons can be significantly improved over traditional cut-based and BDT-based methods using deep learning and the jet charge variable. We construct binary…

High Energy Physics - Phenomenology · Physics 2020-03-25 Yu-Chen Janice Chen , Cheng-Wei Chiang , Giovanna Cottin , David Shih

Study of polarization of heavy particles is an important branch of research in today's collider studies. The massive $W$ boson has two types of polarization states, which usually are studied via the angular distribution of its decay…

High Energy Physics - Phenomenology · Physics 2021-11-01 Atri Dey , Tousik Samui

A search for a new heavy boson $W^{\prime}$ in proton-proton collisions at $\sqrt{s}$ = 13 TeV is presented. The search focuses on the decay of the $W^{\prime}$ to a hadronic top quark and a bottom quark, using the full Run 2 dataset of the…

High Energy Physics - Experiment · Physics 2022-02-08 Kuan-Yu Lin
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