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Precision measurement of the weak charge of the proton and parity ...


Precision measurement of the weak charge of the proton - Nature

Here we report the value 0.0719 ± 0.0045, where the uncertainty is one standard deviation, derived from our measured parity-violating asymmetry in the ...

Precision Measurement of the Weak Charge of the Proton - arXiv

Parity violation (invariance under spatial inversion (x,y,z) -> (-x,-y,-z)) is violated only in the weak interaction, thus providing a unique ...

Precision measurement of the weak charge of the proton - PubMed

Here we report the value 0.0719 ± 0.0045, where the uncertainty is one standard deviation, derived from our measured parity-violating asymmetry.

Q-weak: A Precision Test of the Standard Model and Determination ...

When this result is further combined with the 133Cs atomic parity violation (APV) measurement, significant constraints on the weak charges of the up and down ...

Precision measurement of the weak charge of the proton and parity ...

The Standard Model has a definite prediction of Qwp (SM) = 0.0708 ± 0.0003, consistent with the value determined by Qweak which sets a limit on possible new ...

(PDF) Precision Measurement of the Weak Charge of the Proton

Parity violation (invariance under spatial inversion (x,y,z) -> (-x,-y,-z)) is violated only in the weak interaction, thus providing a unique ...

Precision measurement of the proton's weak charge ... - Phys.org

The proton's weak charge was found to be QWp=0.0719±0.0045, which turns out to be in excellent agreement with predictions of the Standard Model, ...

Precision measurement of the weak charge of the proton - OSTI.GOV

Because parity symmetry (invariance under the spatial inversion (x, y, z)→(-x, -y, -z)) is violated only in the weak interaction, it provides a ...

The Qweak experiment: a precision measurement of the proton's ...

Keywords: electron scattering, parity violation, proton, weak charge, weak coupling. PACS: 13.60.Hb, 24.85.+p, 24.85.+p. INTRODUCTION. The Standard Model of ...

Precision Measurement of the Proton's Weak Charge using Parity ...

The Qweak experiment has precisely determined the weak charge of the proton Qp w by measuring the parity-violating asymmetry in elastic electron-proton ...

A Measurement of the Weak Charge of the Proton through Parity ...

Operationally, we measure the small (about − 0.220 ppm ) parity violating asymmetry in electron–proton scattering in integrating mode while flipping the ...

A Precision Measurement of the Weak Charge of the Proton at Low Q2

1.28 also explains how we extract the. Page 32. 14 weak charge of the proton from the measured parity-violating asymmetry in the Qweak experiment. Of course ...

A Measurement of the Weak Charge of the Proton through Parity ...

The weak charge of the proton is extracted by performing a global analysis on parity violating electron scattering (PVES) asymmetries on nuclear targets and it ...

The Qweak : Precision Measurement of the Proton's Weak Charge ...

Parity Mode : PV Asymmetry Measurement main detector asymmetry width ... ▻ The Qweak will make a precision measurement of the proton's weak.

Precision measurement of the weak charge of the proton

Because parity symmetry (invariance under the spatial inversion (x, y, z) → (−x, −y, −z)) is violated only in the weak interaction, it provides ...

a Precision Measurement of the Proton's Weak Charge - NASA/ADS

The Q weak experiment at Jefferson Lab will measure the parity-violating asymmetry in e-p elastic scattering at low Q 2 using a polarized electron beam and ...

Precision measurement of the proton's weak charge narrows the ...

An electron scatters from a proton through the electromagnetic interaction, but each also experiences the weak interaction. The Q-weak ...

Precise Measurement of the Weak Charge of the Proton - SLAC Indico

weak experiment measures the proton's weak charge via precision parity-violating. e-p scattering. Page 35. D. Androic,1 D.S. Armstrong,2 A ...

A Precision Measurement of the Weak Charge of Proton at Low Q 2 ...

The goal of the experiment is to measure the value of the weak charge of proton, Qweak to a 4% precision, which, if it confirms the Standard Model prediction, ...

[hep-ph/0302149] The Weak Charge of the Proton and New Physics

Abstract: We address the physics implications of a precision determination of the weak charge of the proton, QWP, from a parity violating ...