A5053373733- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Radiation Detection and Scintillator Technologies
- Distributed and Parallel Computing Systems
- Particle Accelerators and Free-Electron Lasers
- Black Holes and Theoretical Physics
- Astrophysics and Cosmic Phenomena
- Medical Imaging Techniques and Applications
- Renewable energy and sustainable power systems
- Building energy efficiency and sustainability
- Superconducting Materials and Applications
- CCD and CMOS Imaging Sensors
- International Science and Diplomacy
- Advanced Data Storage Technologies
- advanced mathematical theories
- Atomic and Subatomic Physics Research
- Muon and positron interactions and applications
- Particle accelerators and beam dynamics
- Big Data Technologies and Applications
Universitat de València
2016-2025
Instituto de Física Corpuscular
2016-2025
Charles University
2020-2024
Northern Illinois University
2020-2024
Institute of Science and Technology
2023-2024
Institute for High Energy Physics
2023-2024
SR Research (Canada)
2024
Federación Española de Enfermedades Raras
2024
Atlas Scientific (United States)
2024
A. Alikhanyan National Laboratory
2024
The Belle detector at the KEKB electron-positron collider has collected almost 1 billion Y(4S) events in its decade of operation. Super-KEKB, an upgrade is under construction, to increase luminosity by two orders magnitude during a three-year shutdown, with ultimate goal 8E35 /cm^2 /s luminosity. To exploit increased luminosity, been proposed. A new international collaboration Belle-II, being formed. Technical Design Report presents physics motivation, basic methods accelerator upgrade, as...
The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying dielectron or dimuon final states. Results are presented from an analysis of proton-proton (pp) collisions a center-of-mass energy 8 TeV corresponding integrated luminosity 20.3 fb-1 in channel and 20.5 channel. A narrow resonance with Standard Model Z couplings fermions excluded 95% confidence level masses less than 2.79 channel, 2.53 2.90 two channels combined. Limits on other model...
We present the report of hadronic working group BOOST2010 workshop held at University Oxford in June 2010. The first part contains a review potential decays highly boosted particles as an aid for discovery LHC and discussion status tools developed to meet challenge reconstructing isolating these topologies. In second part, we new results comparing performance jet grooming techniques top tagging algorithms on common set benchmark channels. also study sensitivity substructure observables...
In this paper, we review recent theoretical progress and the latest experimental results in jet substructure from Tevatron LHC. We status of outlook for calculation simulation tools studying substructure. Following up on report Boost 2010 workshop, present a new set benchmark comparisons techniques, focusing variables grooming methods that are collectively known as 'top taggers'. To facilitate further exploration, have attempted to collect, harmonize publish software implementations these techniques.
Jet substructure has emerged to play a central role at the Large Hadron Collider, where it provided numerous innovative ways search for new physics and probe Standard Model, particularly in extreme regions of phase space. In this article we focus on review development use state-of-the-art jet techniques by ATLAS CMS experiments.
This report of the BOOST2012 workshop presents results four working groups that studied key aspects jet substructure. We discuss potential first-principle QCD calculations to yield a precise description substructure jets and study accuracy state-of-the-art Monte Carlo tools. Limitations experiments' ability resolve are evaluated, with focus on impact additional (pile-up) proton collisions performance in future LHC operating scenarios. A final section summarizes lessons learnt from analyses...
This paper presents a comprehensive review of both the theory and experimental successes Quantum Chromodynamics, starting with its emergence as well defined in 1972-73 following developments results up to present day. Topics include earliest theoretical foundations; fundamental constants QCD; an introductory discussion lattice QCD, only known method for obtaining exact predictions from methods approximating special focus on effective field theories; QCD under extreme conditions; measurements...
Measurements of charged-particle fragmentation functions jets produced in ultra-relativistic nuclear collisions can provide insight into the modification parton showers hot, dense medium created collisions. ATLAS has measured $\sqrt{s_{NN}} = 2.76$ TeV Pb+Pb at LHC using a data set recorded 2011 with an integrated luminosity 0.14 nb$^{-1}$. Jets were reconstructed anti-$k_{t}$ algorithm distance parameter values $R$ 0.2, 0.3, and 0.4. Distributions transverse momentum longitudinal fraction...
Over the past decade, a large number of jet substructure observables have been proposed in literature, and explored at LHC experiments. Such attempt to utilize internal structure jets order distinguish those initiated by quarks, gluons, or boosted heavy objects, such as top quarks W bosons. This report, originating from motivated BOOST2013 workshop, presents original particle-level studies that aim improve our understanding relationships between observables, their complementarity, dependence...
The International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in 2030s. ILC addresses key questions for our current understanding of particle physics. It based proven technology. Its experiments will challenge Standard Model physics and provide window to look beyond it. This document brings story up date, emphasizing its strong motivation, readiness construction, opportunity it presents US community.
Abstract Theoretical predictions for particle production cross sections and decays at colliders rely heavily on perturbative Quantum Chromodynamics (QCD) calculations, expressed as an expansion in powers of the strong coupling constant α S . The current <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mi class="MJX-tex-calligraphic" mathvariant="script">O</mml:mi> <mml:mo stretchy="false">(</mml:mo> <mml:mn>1</mml:mn> <mml:mo>%</mml:mo>...
This report summarizes the work of Energy Frontier Top Quark working group 2013 Community Summer Study (Snowmass).
The Compact Linear Collider (CLIC) is a mature option for the future of high energy physics. It combines benefits clean environment $e^+e^-$ colliders with operation at centre-of-mass energies, allowing to probe scales beyond reach Large Hadron (LHC) many scenarios new This places CLIC project privileged spot in between precision and frontiers, capabilities that will significantly extend knowledge on both fronts end LHC era. In this report we review revisit potential search, directly...
A bstract The Compact Linear Collider (CLIC) is a proposed future high-luminosity linear electron-positron collider operating at three energy stages, with nominal centre-of-mass energies $$ \sqrt{s} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 380 GeV, 1 . 5 TeV, and 3 TeV. Its aim to explore the frontier, providing sensitivity physics beyond Standard Model (BSM) precision measurements of processes an emphasis on Higgs...
In this paper we study the performance in $e^+e^-$ collisions of classical jet reconstruction algorithms, longitudinally invariant algorithms and recently-proposed Valencia algorithm. The includes a comparison perturbative non-perturbative energy corrections response under realistic background conditions. Several are benchmarked with detailed detector simulation at $\sqrt{s}= 3$~\tev. We find that or without beam jets, have best response, but inadequate environments non-negligible...
We present an up-to-date overview of the problem top quark mass determination. assess need for precision in extraction LHC era together with main theoretical and experimental issues arising collect document existing results on determination at hadron colliders map prospects future $$e^+e^-$$ colliders. a collection estimates ultimate various methods LHC.
We study the sensitivity to physics beyond standard model of precise top-quark pair production measurements at future lepton colliders. A global effective-field-theory approach is employed, including all dimension-six operators Warsaw basis which involve a and give rise tree-level amplitudes that interfere with standard-model $e^+e^-\to t\,\bar t\to bW^+\bar bW^-$ ones in limit vanishing $b$-quark mass. Four-fermion CP-violating contributions are taken into account. Circular-collider-, ILC-...
We propose a new sequential jet reconstruction algorithm for future lepton colliders at the energy frontier. The Valencia combines natural distance criterion with greater robustness against backgrounds of algorithms adapted to hadron colliders. Results on detailed Monte Carlo simulation $t\bar{t}$ and $ZZ$ production linear $e^+e^-$ (ILC CLIC) realistic level background overlaid, show that it achieves better performance in presence background.
A bstract Recent measurements at the Large Hadron Collider allow for a robust and precise characterisation of electro-weak interactions top quark. We present results global analysis next-to-leading order precision including LHC, LEP/SLD Tevatron data in framework Standard Model Effective Field Theory. include careful impact correlations among measurements, as well uncertainties Theory setup itself. find remarkably fit results, with central values good agreement prediction, 95% probability...
In this paper we present updated constraints on the top-quark sector of Standard Model Effective Field Theory using data available from Tevatron, LEP and LHC. Bounds are obtained for Wilson coefficients a global fit including relevant two-fermion operators, four-quark operators two-quark two-lepton operators. We compare current bounds with prospects high luminosity phase Large Hadron Collider future lepton colliders.
Top quark production in the process $$e^+e^- \rightarrow t\bar{t}$$ at a future linear electron positron collider with polarised beams is powerful tool to determine indirectly scale of new physics. The presented study, based on detailed simulation ILD detector concept, assumes centre-of-mass energy $$ \sqrt{s} =500$$ GeV and luminosity $$\mathcal {L}=500\, \text{ fb }^{-1} equally shared between incoming beam polarisations \mathcal{P}_{e^-} , \mathcal{P}_{e^+} =\pm 0.8,\mp 0.3$$ . Events are...
Top quark production in the process $e^+e^- \rightarrow t\bar{t}$ at a future linear electron positron collider with polarised beams is powerful tool to determine indirectly scale of new physics. The presented study, based on detailed simulation ILD detector concept, assumes centre-of-mass energy $\roots=500$\,GeV and luminosity $\mathcal{L}=500\,\invfb$ equality shared between incoming beam polarisations $P_{e^{-,+}} =\pm0.8,\mp0.3$. Events are selected which top pair decays...