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Showing 1 to 13 of 13 for “"High-precision measurement"”.
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A High Precision Measurement of the Proton Charge Radius at JLab
… from the compilation of all previous $r_{p}$ measurements, creating the ``proton charge radius puzzle".</p><p>In order to investigate the puzzle, </p><p>the PRad experiment (E12-11-106\footnote{Spokespersons: A. Gasparian (contact), H. Gao, M. Khandaker, D. Dutta}) was first proposed in 2011 …
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High precision measurement of the proton elastic form factor ratio at low Q²
… (FPP). In this low Q2 region, previous measurement from Jefferson Lab Hall A (LEDEX) along with various fits and calculations indicate substantial deviations of the ratio from unity. For this new measurement, the proposed statistical uncertainty (< 1%) was achieved. These new results are …
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Precision measurement of the boron to carbon ratio in cosmic rays with AMS-02
A precision measurement of the Boron to Carbon ratio in cosmic rays is carried out in the range 1 GeV/n to 670 GeV/n using the first 30 months of flight data of AMS-02 located on the International Space Station. Above 20 GeV/n, it is the first accurate measurement. About 5 million clean Boron and …
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Lepton-Nucleus Constraints for Neutrino Interactions and Oscillations
Currently running and forthcoming precision neutrino oscillation experiments aim to unambiguously determine the neutrino mass ordering, the charge-parity violating phase in the lepton sector and the possible existence of physics Beyond the Standard Model. To have an understanding of all the effects …
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Testing CPT And Antigravity With Trapped Antihydrogen At ALPHA
High precision antihydrogen experiments allow tests of fundamental theoretical descriptions of nature. These experiments are performed with the ALPHA apparatus, where ultra-low energy antihydrogen is produced and confined in a magnetic trap. Antihydrogen spectroscopy is of primary interest for …
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High resolution techniques for the measurement of component and device performance
… parameters and characteristics, by making use of high precision measurement techniques and incorporating a PC-based data acquisition system. An accurate and versatile measurement-card, employing a 12-bit analogue-to-digital converter, was designed and developed. The card, which plugs directly into …
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High-Resolution Electron Collision Spectroscopy with Multicharged Ions in Merged Beams
… and the acceleration geometry. The recombination measurements on low-lying resonances in lithiumlike Sc$^{18+}$ yield a high-precision measurement of the $2s-2p_{3/2}$ transition energy in this system. Operation of the two-electron-beam setup at high collision energy ($\approx 1000$~eV) is …
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Latency and Distortion compensation in Augmented Environments using Electromagnetic trackers
… magnetic field generated by the tracker without high precision measurement equipment. This method uses simple fixtures with multiple sensors in a rigid geometry to collect magnetic field data in the tracking volume. We have developed a new algorithm to process the collected data and generate a …
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Spin Dependence in Polarized Proton-Proton Elastic Scattering at RHIC
… detectors to be moved close to the beam for the measurement of high energy protons scattered at very small angles. This setup, together with the unique capability of RHIC to collide spin-polarized proton beams, allows STAR to study both the dynamics and the spin-dependence of the proton-proton …
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Polarized Ultracold Neutrons: their transport in diamond guides and potential to search for physics beyond the standard model
… (the A-correlation). The keys to making a high precision measurement of A-correlation are a near 100% polarization of the neutrons that decay, low"backscatter electron detectors, and small, well characterized backgrounds. UCN can be 100% polarized by passing them through a seven Telsa …
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Core-collapse supernovae in the great survey era
… by direct counting, in an unbiased way and with high statistics. Many science applications will therefore be feasible. Here, we discuss synergies with neutrino detectors, radio observations, and gamma-ray telescopes. The cumulative (anti)neutrino production from all core-collapse supernovae …
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CO2 and Isotope Flux Measurements above a Spruce Forest
The measurement of the turbulent carbon dioxide (CO2) exchange by the eddy covariance (EC) method has become a fundamental tool for the quantitative determination of the atmospheric CO2 net ecosystem exchange (NEE) and the investigation of the carbon mass balances of ecosystems. Such measurements …