0000000000187297

AUTHOR

C A Baker

showing 2 related works from this author

A Revised Experimental Upper Limit on the Electric Dipole Moment of the Neutron

2015

We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced our earlier analysis to include recent developments in the understanding of the effects of gravity in depolarizing ultracold neutrons (UCN); an improved calculation of the spectrum of the neutrons; and conservative estimates of other possible systematic errors, which are also shown to be consistent with more recent measurements undertaken with the apparatus. We obtain a net result of $d_\mathrm{n} = -0.21 \pm 1.82 \times10^{-26}$ $e$cm, which may be inter…

Nuclear and High Energy PhysicsPhysics - Instrumentation and DetectorsFOS: Physical sciencesMagnitude (mathematics)01 natural sciencesResonance (particle physics)High Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)Quantum mechanicsPaul-Scherrer InstituteCesium atom0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]NeutronLimit (mathematics)010306 general physicsPhysicsConservation lawmagnetic-momentMagnetic moment010308 nuclear & particles physicsInstrumentation and Detectors (physics.ins-det)QC0793Atomic-Mercury magnetometerElectric dipole momentresonanceQuantum electrodynamicsUltracold neutronsParticle Physics - Experiment
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Antiproton-proton annihilation at rest into two-body final states

1993

We report measurements of branching ratios for production of a series of two meson final states in $$\bar p$$ p annihilations at rest in liquid hydrogen. We find: $$\begin{gathered} BR(\bar pp \to \pi ^ + \pi ^ - ) = (3.07 \pm 0.13) \cdot 10^{ - 3} \hfill \\ BR(\bar pp \to K^ + K^ - ) = (0.99 \pm 0.05) \cdot 10^{ - 3} \hfill \\ BR(\bar pp \to \pi ^0 \pi ^0 ) = (6.93 \pm 0.43) \cdot 10^{ - 4} \hfill \\ BR(\bar pp \to \pi ^0 \eta ) = (2.12 \pm 0.12) \cdot 10^{ - 4} \hfill \\ BR(\bar pp \to \pi ^0 \omega ) = (5.73 \pm 0.47) \cdot 10^{ - 3} \hfill \\ BR(\bar pp \to \pi ^0 \eta ') = (1.23 \pm 0.13) \cdot 10^{ - 4} \hfill \\ BR(\bar pp \to \eta \eta ) = (1.64 \pm 0.10) \cdot 10^{ - 4} \hfill \\ B…

PhysicsParticle physicsAnnihilationPhysics and Astronomy (miscellaneous)Meson010308 nuclear & particles physicsAnalytical chemistry01 natural sciencesOmega[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO][PHYS.ASTR.CO] Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]Antiproton0103 physical sciences010306 general physicsEngineering (miscellaneous)Particle Physics - ExperimentZeitschrift für Physik C Particles and Fields
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