Results 21 to 30 of about 117,347 (319)

Search for a new heavy scalar particle decaying into a Higgs boson and a new scalar singlet in final states with one or two light leptons and a pair of τ-leptons with the ATLAS detector [PDF]

open access: yesJournal of High Energy Physics, 2023
A search for a new heavy scalar particle X decaying into a Standard Model (SM) Higgs boson and a new singlet scalar particle S is presented. The search uses a proton-proton (pp) collision data sample with an integrated luminosity of 140 fb−1 recorded at ...
G. Aad   +499 more
semanticscholar   +1 more source

Generalised Known Kinematics (GKK): an approach for kinematic observables in pair production events with decays involving invisible particles

open access: yesJournal of High Energy Physics, 2023
Missing kinematic information of known invisible particles, such as neutrinos, limit several high-energy physics analysis. The undetected particle carries away momentum and energy information, preventing the total reconstruction of such an event.
Thomas M. G. Kraetzschmar   +6 more
doaj   +1 more source

Bertrand partner trajectories related to PAFORS [PDF]

open access: yesMathematica Bohemica
In this study, we consider the concept of Bertrand partner trajectories related to Positional Adapted Frame on Regular Surfaces (shortly PAFORS) for the particles moving on the different regular surfaces in Euclidean 3-space.
Zehra İşbilir   +2 more
doaj   +1 more source

Cluster algebras in scattering amplitudes with special 2D kinematics [PDF]

open access: yes, 2014
We study the cluster algebra of the kinematic configuration space $Conf_n(\mathbb{P}^3)$ of a n-particle scattering amplitude restricted to the special 2D kinematics.
M Gekhtman, Marcus A. C. Torres
core   +2 more sources

The kinematics of particles moving in rainbow spacetime [PDF]

open access: yes, 2006
The kinematics of particles moving in rainbow spacetime is studied in this paper. In particular the geodesics of a massive particle in rainbow flat spacetime is obtained when the semi-classical effect of its own energy on the background is taken into ...
HONGBAO ZHANG, Ling Y., SONG HE, YI LING
core   +2 more sources

Force in Kappa-Deformed Relativistic Dynamics [PDF]

open access: yes, 2000
We consider the physical implications of various choices of the three-momentum basis in the kappa-deformed Poincare algebra. In particular, we find that the energy dependence of the velocity of a kappa-particle leads to unexpected features in kappa ...
Amelino-Camelia G., PIOTR CZERHONIAK
core   +4 more sources

The morphology and kinematics of the gaseous circumgalactic medium of Milky Way mass galaxies – II. Comparison of IllustrisTNG and Illustris simulation results [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
We have carried out a controlled comparison of the structural and kinematic properties of the circumgalactic medium (CGM) around Milky Way mass galaxies in the Illustris and IllustrisTNG simulations. Very striking differences are found.
G. Kauffmann   +7 more
semanticscholar   +1 more source

A Multi-Objective Modified PSO for Inverse Kinematics of a 5-DOF Robotic Arm

open access: yesApplied Sciences, 2022
In this paper, a new modified particle swarm optimization, m-PSO, is proposed, in which the novelty consists of proposing a fitness-based particle swarm optimization algorithm, PSO, which adapts the particles’ behavior rather than the PSO parameters and ...
Nizar Rokbani   +4 more
doaj   +1 more source

X-ray micro-computed tomography (μ-CT) for 3D characterization of particle kinematics representing water-induced loess micro-fabric collapse

open access: yes, 2020
The 3D characterization of particle kinematics representing the changes in fabric observed during water-driven collapse of loess is, to the best of our knowledge, performed for the first time at the micron scale.
B. Yu   +5 more
semanticscholar   +1 more source

Testing the equivalence principle through freely falling quantum objects [PDF]

open access: yes, 1996
Free fall in a uniform gravitational field is revisited in the case of quantum states with and without classical analogue. The interplay between kinematics and dynamics in the evolution of a falling quantum test particle is discussed allowing for a ...
Onofrio, Roberto, Viola, Lorenza
core   +2 more sources

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