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The possibility of beauty baryon polarization measurement by cascade decay angular distribution analysis in the channel Lambda0 J/psi --> p pi- l+ l- is demonstrated. The error analysis shows that in the proposed LHC experiment ATLAS at the…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Hrivnac , R. Lednicky , M. Smizanska

Multiply lensed sources experience a relative time delay in the arrival of photons. This effect can be used to measure absolute distances and the Hubble constant ($H_0$) and is known as time-delay cosmography. The methodology is independent…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-07 S. Birrer , M. Millon , D. Sluse , A. J. Shajib , F. Courbin , L. V. E. Koopmans , S. H. Suyu , T. Treu

The LHCb experiment is designed to perform high-precision measurements of CP violation and search for New Physics using the enormous flux involving beauty and charm quarks produced at the LHC. The operation and the results obtained from the…

Instrumentation and Detectors · Physics 2013-10-02 Federico Alessio

We propose a novel generalized method for mass measurements based on phase space singularity structures that can be applied to any event topology with missing energy. Our method subsumes the well-known end-point and transverse mass methods…

High Energy Physics - Phenomenology · Physics 2010-04-06 Ian-Woo Kim

The High-Luminosity LHC is expected to provide $3 ab^{-1}$ of integrated luminosity. As a result billions of events containing top quarks will be detected at the CMS and ATLAS experiments, allowing for precise measurements of the top quark…

High Energy Physics - Phenomenology · Physics 2015-12-16 Michele Selvaggi

Many of the fundamental physical constants in Physics, as a discipline, are measured to exquisite levels of precision. The fundamental constants that define Cosmology, however, are largely determined via a handful of independent techniques…

LHCb is a dedicated detector for $b$ and $c$ physics at the LHC. I will present a concise review of the detector design and performance together with a selection of early physics results and prospects. The integrated luminosity of $37…

High Energy Physics - Experiment · Physics 2011-05-27 Monica Pepe Altarelli

Weak lensing by large-scale structure provides a direct measurement of matter fluctuations in the universe. We report a measurement of this `cosmic shear' based on 271 WFPC2 archival images from the Hubble Space Telescope Medium Deep Survey…

Astrophysics · Physics 2009-06-16 A. Refregier , J. Rhodes , E. J. Groth

Polarization of strange quarks is preserved to a high degree when they hadronize into Lambda baryons, as observed in Z decays at LEP. This opens up the possibility for ATLAS and CMS to use strange-quark polarization measurements as a…

High Energy Physics - Phenomenology · Physics 2015-11-04 Yevgeny Kats

Precision measurement of the integrated luminosity $\mathcal{L}$ at future Higgs factories, including ILC, is of crucial importance for the cross-section measurements, and in particular for the line-shape measurements at the Z-pole. Since…

High Energy Physics - Experiment · Physics 2024-12-25 Ivan Smiljanić , Ivanka Božović , Goran Kačarević , Mirko Radulović , Jasna Stevanović

Uniform temperature distribution in Selective Laser Sintering (SLS) is essential for producing durable 3D prints. Achieving uniformity requires a laser power control system that minimises deviation of the printing temperatures from the…

Systems and Control · Electrical Eng. & Systems 2025-01-29 Hamid Toshani , Janith Petangoda , Chatura Samarakoon , Phillip Stanley-Marbell

We describe recent results from CMS and TOTEM on hard diffraction, diffractive jets and jet gap jet events. We also give the first sensitivities and limits on quartic anomalous couplings and axion-like particles at high mass using the LHC…

High Energy Physics - Experiment · Physics 2023-01-23 C. Royon

The Standard Model Higgs suffers from the hierarchy problem, typically implying new states within the reach of the LHC. If the Higgs is very heavy (~500 GeV) the states that cutoff the quadratic divergence may be beyond the reach of the…

High Energy Physics - Phenomenology · Physics 2014-11-18 R. Enberg , P. J. Fox , L. J. Hall , A. Y. Papaioannou , M. Papucci

It is very likely that hadronic scattering will enter a new regime at the LHC, as the black-disk limit is reached. This will lead to a severe change in the t dependence of the real part and of the slope of the elastic scattering amplitude,…

High Energy Physics - Phenomenology · Physics 2009-02-23 J. -R. Cudell , O. V. Selyugin

We are reporting about a scintillating fibre tracker which is proposed for the precise determination of the absolute luminosity of the CERN LHC at interaction point 1 where the ATLAS experiment is located. The detector needs to track…

A second major upgrade of the LHCb experiment is necessary to allow full exploitation of the High Luminosity LHC for flavour physics. The new experiment will operate in Run 5 of the LHC at a luminosity up to $1.5\times…

High Energy Physics - Experiment · Physics 2025-04-01 LHCb Collaboration

The staged increase of the LHC beam energy provides a new class of interesting observables, namely ratios and double ratios of cross sections of various hard processes. The large degree of correlation of theoretical systematics in the cross…

High Energy Physics - Phenomenology · Physics 2015-06-05 Michelangelo L. Mangano , Juan Rojo

The High Luminosity upgrade of the CERN Large Hadron Collider will be able to reach a peak instantaneous luminosity of 5E34/cm2 s. The innermost detectors of the CMS and ATLAS experiments will have to cope with unprecedented requirements on…

Instrumentation and Detectors · Physics 2021-06-16 Jordi Duarte-Campderros

Understanding the evolution of the Milky Way calls for the precise abundance determination of many elements in many stars. A common perception is that deriving more than a few elemental abundances ([Fe/H], [$\alpha$/Fe], perhaps [C/H],…

Solar and Stellar Astrophysics · Physics 2017-07-05 Yuan-Sen Ting , Charlie Conroy , Hans-Walter Rix , Phillip Cargile

Results are presented of a feasibility study of techniques for measuring the mass of the lightest chargino at the CERN LHC. These results suggest that for one particular mSUGRA model a statistically significant chargino signal can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. M. Nojiri , G. Polesello , D. R. Tovey