English
Related papers

Related papers: Background Studies for the VTX Geometry Optimisati…

200 papers

In these proceedings, we report on recent results related to vector boson-tagged jet production in heavy ion collisions and the related modification of jet substructure, such as jet shapes and jet momentum sharing distributions.…

High Energy Physics - Phenomenology · Physics 2018-03-14 Ivan Vitev

The e+e- linear collider physics programme sets highly demanding requirements on the accurate determination of charged particle trajectories close to their production point. A new generation of Vertex Trackers, based on different…

High Energy Physics - Experiment · Physics 2007-05-23 Marco Battaglia , Massimo Caccia

We study the prospects of measuring the CKM matrix element $\vert V_{ts}\vert$ at the LHC with the top quarks produced in the processes $p p \to t\bar{t}X$ and $p p \to t/\bar{t} X$, and the subsequent decays $t \to W^+s$ and $\bar{t} \to…

High Energy Physics - Phenomenology · Physics 2014-11-21 Ahmed Ali , Fernando Barreiro , Theodota Lagouri

A large-area and light-weight Gas Electron Multiplier (GEM) detector was built at the University of Virginia as a prototype for the detector R$\&$D program of the future Electron Ion Collider. The prototype has a trapezoidal geometry…

Instrumentation and Detectors · Physics 2025-07-03 Kondo Gnanvo , Xinzhan Bai , Chao Gua , Nilanga Liyanage , Vladimir Nelyubin , Yuxiang Zhao

Context. The study of BL Lac objects (BLL) detected in gamma-rays gives insights on the acceleration mechanisms in play in such systems and is also a valuable tool to constrain the density of the extragalactic background light. As their…

High Energy Astrophysical Phenomena · Physics 2014-05-08 Santiago Pita , Paolo Goldoni , Catherine Boisson , Jean-Philippe Lenain , Michael Punch , Lucie Gérard , François Hammer , Lex Kaper , Hélène Sol

The contribution gives an overview of the LCFIVertex package, providing software tools for high-level event reconstruction at the International Linear Collider using vertex-detector information. The package was validated using a fast Monte…

Instrumentation and Detectors · Physics 2019-08-13 S. Hillert

We study the reconstruction of high p_T hadronically-decaying top quarks at the LHC. The main challenge in identifying energetic top quarks is that the decay products become increasingly collimated. This reduces the efficacy of conventional…

High Energy Physics - Phenomenology · Physics 2009-06-11 Leandro G. Almeida , Seung J. Lee , Gilad Perez , Ilmo Sung , Joseph Virzi

This paper describes a novel algorithm for tagging jets originating from the hadronisation of strange quarks (strange-tagging) with the future International Large Detector (ILD) at the International Linear Collider (ILC). It also presents…

The Circular Electron Positron Collider (CEPC) has been proposed to enable more thorough and precise measurements of the properties of Higgs, W, and Z bosons, as well as to search for new physics. In response to the stringent performance…

The ATLAS experiment will undergo around the year 2025 a replacement of the tracker system in view of the high luminosity phase of the LHC (HL-LHC) with a new 5-layer pixel system. Thin planar pixel sensors are promising candidates to…

Instrumentation and Detectors · Physics 2017-02-01 Anna Macchiolo , Julien Beyer , Alessandro La Rosa , Richard Nisius , Natascha Savic

Grazing incidence X-ray diffraction (GID) was employed to probe the structure of atomically thin carbon layers on SiC(0001): a so-called buffer layer (BL) with a $6(\sqrt{3}\times\sqrt{3})$R30$^\circ$ periodicity, a monolayer graphene (MLG)…

The future e-e+ 500 GeV International Linear Collider will rely on unprecedented nanometer scale particle beam size at the interaction point, in order to achieve the design luminosity. Tight tolerances on static and dynamic alignment of the…

Instrumentation and Detectors · Physics 2008-11-26 A. Bertolini

Flavour-violating Higgs interactions are suppressed in the Standard Model such that their observation would be a clear sign of new physics. We investigate the prospects for detecting quark flavour-violating Higgs decays in the clean ILC…

High Energy Physics - Phenomenology · Physics 2018-08-27 Daniele Barducci , Alexander J. Helmboldt

The CERN proposed $e^+e^-$ Future Circular Collider (FCC-ee) is an electroweak, flavour, Higgs and top factory with unprecedented luminosities. Many measurements at the FCC-ee will rely on precisely determining the particle production…

High Energy Physics - Experiment · Physics 2025-06-04 Armin Ilg , Fabrizio Palla

CMOS sensors were successfully implemented in the STAR tracker [1]. LHC experiments have shown that efficient b tagging, reconstruction of displaced vertices and identification of disappearing tracks are necessary. An improved vertex…

Instrumentation and Detectors · Physics 2021-05-21 Nicolas T. Fourches , Geraldine Hallais , Charles Renard

We present a new scheme for tagging high-$p_{T}$ bottom and charm jets using energetic muons. Contemporary track-based $b$ tags lose their ability to reject light jet background as jet $p_{T}\rightarrow\mathcal{O}(\mathrm{TeV})$, where the…

High Energy Physics - Phenomenology · Physics 2015-09-28 Keith Pedersen , Zack Sullivan

We present the current status and Monte Carlo study based performance estimates of b-jet tagging using ALICE, as obtained using both impact parameter as well as secondary vertex methods. We also address the prospects of the identification…

High Energy Physics - Experiment · Physics 2019-08-13 Linus Feldkamp

At proposed future hadron colliders and in the coming years at the LHC, top quarks will be produced at genuinely multi-TeV energies. Top-tagging at such high energies forces us to confront several new issues in terms of detector…

High Energy Physics - Phenomenology · Physics 2018-03-07 Zhenyu Han , Minho Son , Brock Tweedie

Potential applications in spintronics and quantum computing have motivated much recent research in epitaxial films of bismuth telluride. This system is also an example of van der Waals (vdW) epitaxy where the interface coherence between…

The identification of jets originating from quarks and gluons, often referred to as quark/gluon tagging, plays an important role in various analyses performed at the Large Hadron Collider, as Standard Model measurements and searches for new…

High Energy Physics - Experiment · Physics 2024-02-21 ATLAS Collaboration
‹ Prev 1 3 4 5 6 7 10 Next ›