Results 21 to 30 of about 1,317,033 (253)

A new type of accelerator for charged particle cancer therapy [PDF]

open access: yes, 2013
Non-scaling Fixed Field Alternating Gradient accelerators (ns-FFAGs) show great potential for the acceleration of protons and light ions for the treatment of certain cancers.
Rob Edgecock   +3 more
core   +1 more source

Heavy stable charged tracks as signatures of non-thermal dark matter at the LHC: a study in some non-supersymmetric scenarios

open access: yesJournal of High Energy Physics, 2017
We consider two theoretical scenarios, each including a ℤ 2-odd sector and leading to an elementary dark matter candidate. The first one is a variant of the Type-III seesaw model where one lepton triplet is ℤ 2-odd, together with a heavy sterile neutrino.
Avirup Ghosh   +2 more
doaj   +1 more source

Complex Langevin analysis of 2D U(1) gauge theory on a torus with a θ term

open access: yesJournal of High Energy Physics, 2020
Monte Carlo simulation of gauge theories with a θ term is known to be extremely difficult due to the sign problem. Recently there has been major progress in solving this problem based on the idea of complexifying dynamical variables. Here we consider the
Mitsuaki Hirasawa   +3 more
doaj   +1 more source

The Accelerator Reliability Forum [PDF]

open access: yes, 2014
A high reliability is a very important goal for most particle accelerators. The biennial Accelerator Reliability Workshop covers topics related to the design and operation of particle accelerators with a high reliability.
Giachino, R. (author)   +2 more
core   +1 more source

Extended scalar sectors, effective operators and observed data

open access: yesJournal of High Energy Physics, 2018
The available data on the 125 GeV scalar h is analysed to explore the room for new physics in the electroweak symmetry breaking sector. The first part of the study is model-independent, with h couplings to standard model particles scaled by quantities ...
Atri Dey   +2 more
doaj   +1 more source

LHC signals of a heavy doublet Higgs as dark matter portal: cut-based approach and improvement with gradient boosting and neural networks

open access: yesJournal of High Energy Physics, 2019
Though the 125-GeV scalar, as the Higgs boson of the standard model, is disfavoured as a dark matter portal by direct searches and the observations on relic density, a heavier scalar in an extended electroweak sector can fit into that role.
Atri Dey   +2 more
doaj   +1 more source

Present Status of KEK Isotope Separation System

open access: yesEPJ Web of Conferences, 2014
KISS (KEK Isotope Separation System) has been constructed at Nishina Re-search Center (NRC) of RIKEN to study the decay properties of heavy neutron-rich iso-topes with mass number around A∼200 along the neutron magic number of N = 126 for the ...
Hirayama Y.   +13 more
doaj   +1 more source

PAMELA overiew and status [PDF]

open access: yes, 2010
The status of PAMELA (Particle Accelerator for MEdical Applications) – an accelerator for proton and light ion therapy using a non-scaling FFAG (ns-FFAG) accelerator – is reviewed and ...
Easton, M.J.   +30 more
core   +3 more sources

Improving heavy dijet resonance searches using jet substructure at the LHC

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
The search for new physics at high energy accelerators has been at the crossroads with very little hint of signals suggesting otherwise. The challenges at a hadronic machine such as the LHC is compounded by the fact that final states are swamped with ...
Aruna Kumar Nayak   +2 more
doaj   +1 more source

Literature Review of Suspension Systems for Superconducting Elements

open access: yesMachines, 2023
When designing suspension systems for superconducting elements, the primary challenge is to strike a balance between limiting the heat load to the cold mass and ensuring the proper mechanical resistance and/or stiffness of the system.
Luca Piacentini   +5 more
doaj   +1 more source

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