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SLAC E-158 is making the first measurement of parity violation in Moller scattering. E-158 measures the right-left cross-section asymmetry, A_LR, in the scattering of a 45-GeV polarized electron beam off unpolarized electrons in a liquid…

高能物理 - 实验 · 物理学 2007-05-23 T. B. Humensky

The Qweak experiment at Jefferson Lab aims to make a 4% measurement of the parity-violating asymmetry in elastic scattering at very low $Q^2$ of a longitudinally polarized electron beam on a proton target. The experiment will measure the…

高能物理 - 实验 · 物理学 2019-08-14 Gregory S. Mitchell

The upper power limit of linear response of light trap detectors was recently measured [2,3]. We have completed this measurement with test of traps with bias voltage at several visible wavelengths using silicon photodiodes Hamamatsu S1337…

仪器与探测器 · 物理学 2015-10-20 Petr Balling , Petr Křen

The LUXE experiment aims at studying high-field QED in electron-laser and photon-laser interactions, with the 16.5 GeV electron beam of the European XFEL and a laser beam with power of up to 350 TW. The experiment will measure the spectra…

高能物理 - 实验 · 物理学 2022-10-19 Veta Ghenescu

Parity violating electron scattering allows model independent measurements of neutron densities that are free from most strong interaction uncertainties. In this paper we present statistical error estimates for a variety of experiments. The…

核理论 · 物理学 2011-11-28 Shufang Ban , C. J. Horowitz , R. Michaels

Rare event experiments, such as those targeting dark matter interactions and neutrinoless double beta (0$\nu\beta\beta$) decay, should be shielded from gamma-rays that originated in rock. This paper describes the simulation of gamma-ray…

仪器与探测器 · 物理学 2025-05-20 J. K. Tranter , V. A. Kudryavtsev , P. R. Scovell

Horizon-T is an innovative detector system constructed to study Extensive Air Showers (EAS) in the energy range above 10^16 eV coming from a wide range of zenith angles (0 - 85 degrees). The system is located at Tien Shan high-altitude…

In the search for clues to the matter-antimatter puzzle, experiments with atoms or molecules play a particular role. These systems allow measurements with very high precision, as demonstrated by the unprecedented limits down to $10^{-30}$…

LHC upgrades are being considered both towards higher luminosity (HL-LHC) and towards higher energy (HE-LHC). In this paper we report initial studies of the beam-beam effects in the HE-LHC [1]. The HE-LHC aims at beam energies of 16.5 TeV,…

加速器物理 · 物理学 2011-08-10 K. Ohmi , O. Dominguez , F. Zimmermann

A complete set of cross sections is reported for the ionization of water molecules by neutral atomic hydrogen impact at velocities of the order of the Bragg peak. The measured relative cross sections are normalized by comparison with proton…

原子与分子团簇 · 物理学 2016-08-16 F. Gobet , S. Eden , B. Coupier , J. Tabet , B. Farizon , M. Farizon , M. J. Gaillard , S. Ouaskit , M. Carré , T. D. Mark

Frozen hydrogen filaments or droplets/pellets in vacuum are of great interest as target for many experiments at hadron and lepton accelerators as well as at high-power laser systems. Especially in case of large distances between the…

仪器与探测器 · 物理学 2025-04-24 Jost Froning , Christian Mannweiler , Eva-Maria Hausch , Anna-Luna Hannen , Alfons Khoukaz

We developed a 12-liter volume neutron detector filled with the liquid scintillator EJ301 that measures neutrons in an underground laboratory where dark matter and neutrino experiments are located. The detector target is a cylindrical…

仪器与探测器 · 物理学 2015-06-15 C. Zhang , D. -M. Mei , P. Davis , B. Woltman , F. Gray

Located at the BEPCII $e^{+}e^{-}$ collider, the BESIII experiment provides a robust platform for investigating (anti)hyperon-nucleon ($YN$) and antineutron-nucleon ($\bar{n}N$) interactions. This is made possible by the high production…

高能物理 - 实验 · 物理学 2026-05-01 Zhao-Ling Zhang , Xu Gao , Wei-Min Song , Chang-Zheng Yuan

Neutrino interaction uncertainties are a limiting factor in current and next-generation experiments probing the fundamental physics of neutrinos, a unique window on physics beyond the Standard Model. Neutrino-nucleon scattering amplitudes…

Sensitivities to neutrino oscillation parameters for possible very long baseline neutrino oscillation experiments are discussed. The reach for observing a non-zero mixing angle $\theta_{13}$, establishing CP violation and determining the…

高能物理 - 实验 · 物理学 2008-11-26 Mark Dierckxsens

We report on the results of a high voltage test in liquid argon in order to measure its dielectric rigidity. Under stable conditions and below the boiling point, liquid argon was found to sustain a uniform electric field of 100 kV/cm,…

仪器与探测器 · 物理学 2014-01-14 F. Bay , C. Cantini , S. Murphy , F. Resnati , A. Rubbia , F. Sergiampietri , S. Wu

An internal hydrogen target system was developed for the OLYMPUS experiment at DESY, in Hamburg, Germany. The target consisted of a long, thin-walled, tubular cell within an aluminum scattering chamber. Hydrogen entered at the center of the…

仪器与探测器 · 物理学 2018-04-25 J. C. Bernauer , V. Carassiti , G. Ciullo , B. S. Henderson , E. Ihloff , J. Kelsey , P. Lenisa , R. Milner , A. Schmidt , M. Statera

We performed an experimental search for the bound state singlet deuteron predicted in some microscopic calculations. The predicted energy of this metastable level is in vicinity of the deuteron disintegration threshold. This state should…