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Polarised light from astronomical targets can yield a wealth of information about their source radiation mechanisms, and about the geometry of the scattered light regions. Optical observations, of both the linear and circular polarisation…

Instrumentation and Methods for Astrophysics · Physics 2015-09-18 Gillian Kyne , David Lara , Gregg Hallinan , Michael Redfern , Andrew Shearer

Experiment E02-013, approved by PAC21, will measure the neutron electric form factor at \qsq~up to 3.4 \gvsq, which is twice that achieved to date. The main features of the new experiment will be the use of the electron spectrometer…

Instrumentation and Detectors · Physics 2017-08-23 B. Wojtsekhowski

Knowledge of the centre-of-mass energy at LEP2 is of primary importance to set the absolute energy scale for the measurement of the W-boson mass. The beam energy above 80 GeV is derived from continuous measurements of the magnetic bending…

High Energy Physics - Experiment · Physics 2012-08-27 The LEP Energy Working Group

The inclusive e^+ p single and double differential cross sections for neutral and charged current processes are measured with the H1 detector at HERA. The data were taken in 1999 and 2000 at a centre-of-mass energy of \sqrt{s} = 319 GeV and…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

A sealed high gas pressure detector working in pure argon is assembled. It consists of a 5 cm $\times$ 5 cm PCB THGEM (THick Gaseous Electron Multipliers). The detector structure and experimental setup are described. The performances under…

Instrumentation and Detectors · Physics 2016-12-26 Yu-Ning Zhang , Qian Liu , Hong-Bang Liu , Yi-Gang Xie , Xiao-Rui Lyu , Shi Chen , Wen-Qian Huang , Dao-Jin Hong , Yang-Heng Zheng

We report on high-accuracy measurements of quantized current, sourced by a tunable-barrier single-electron pump at frequencies $f$ up to $1$ GHz. The measurements were performed with a new picoammeter instrument, traceable to the Josephson…

Our last experimental results on the realization of a measurement-conditional unitary operation at single photon level are presented. This gate operates by rotating by $90^o$ the polarization of a photon produced by means of Type-II…

Quantum Physics · Physics 2015-06-26 M. Genovese , G. Brida , M. Chekhova , M. Gramegna , L. Krivitsky , S. Kulik , M. L. Rastello

We demonstrate a coherent quantum measurement for the determination of the degree of polarization (DOP). This method allows to measure the DOP in the presence of fast polarization state fluctuations, difficult to achieve with the typically…

Quantum Physics · Physics 2009-11-10 M. Legre , M. Wegmuller , N. Gisin

Polarization measurements of the prompt emission in Gamma-ray Bursts (GRBs) can provide diagnostic information for understanding the nature of the central engine. POLAR is a compact polarimeter dedicated to the polarization measurement of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 Shaolin Xiong , Nicolas Produit , Bobing Wu

Both components of the Standard Model, QCD and the electroweak sector, are tested in the H1 and ZEUS experiments at HERA. The inclusive ep single and double differential cross sections for neutral and charged current processes are measured…

High Energy Physics - Experiment · Physics 2007-05-23 Vladimir Chekelian

The recent detection of linear polarization from GRB120206 has piqued the interest of the community in this relatively unexplored avenue of research. Here, we review the current status and prospects for GRB polarimetry at hard X-ray and…

Astrophysics · Physics 2009-11-11 M. L. McConnell , P. F. Bloser

High-granularity homogeneous electromagnetic calorimeters based on scintillating crystals and silicon photomultipliers (SiPMs) are a promising option for future $e^{+}e^{-}$ Higgs factories, where both excellent energy resolution and a very…

Instrumentation and Detectors · Physics 2026-03-10 Zhiyu Zhao , Dejing Du , Shu Li , Yong Liu , Baohua Qi , Jack Rolph , Haijun Yang

We report on efforts to improve the speed of low-G far-infrared transition-edged-sensed bolometers. We use a fabrication process that does not require any dry etch steps to reduce heat capacity on the suspended device and measure a…

We present a quantum optics-based detection method for determining the position and current of an electron beam. As electrons pass through a dilute vapor of rubidium atoms, their magnetic field perturb the atomic spin's quantum state and…

The beam calorimeter, located in the very forward and backward region of the next generation electron-positron linear accelerator, will be an important apparatus to search for or identify new particles beyond Standard Model. One of its key…

Instrumentation and Detectors · Physics 2009-02-19 S. -X. Huang , M. -C. Chang , M. -Z. Wang

We investigate the merits of a measurement of the permanent electric dipole moment of the electron ($e$EDM) with barium monofluoride molecules, thereby searching for phenomena of CP violation beyond those incorporated in the Standard Model…

The ambipolar electrostatic potential rising along the magnetic field line from the grounded wall to the centre in the linear gas dynamic trap, rules the available suppression of axial heat and particle losses. In this paper, the visible…

Plasma Physics · Physics 2021-07-07 A. Lizunov

A beam line for electrons with energies in the range of 1 to 45 GeV, low contamination of hadrons and muons and high intensity up to 10^6 per accelerator spill at 27 GeV was setup at U70 accelerator in Protvino, Russia. A beam tagging…

A wide range of nucleon and nuclear structure experiments in Jefferson Lab's Hall A require precise, continuous measurements of the polarization of the electron beam. In our Compton polarimeter, electrons are scattered off photons in a…

Instrumentation and Detectors · Physics 2011-09-29 D. Parno , M. Friend , F. Benmokhtar , G. Franklin , R. Michaels , S. Nanda , B. Quinn , P. Souder

We propose a new method to constrain neutrino charges at neutrino beam experiments. Uncharged in the Standard Model, evidence for a neutrino electric charge would be a smoking gun for new physics, shedding light on the Dirac or Majorana…

High Energy Physics - Phenomenology · Physics 2025-10-22 Jack D. Shergold , Martin Spinrath
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