• Proton-to-electron mass ratio - Wikipedia

    en.wikipedia.org/wiki/Proton-to-electron_mass_ratio In physics, the proton-to-electron mass ratio, μ or β, is simply the rest mass of the proton (a baryon found in atoms) divided by that of the electron (a lepton found in atoms). Because this is a ratio of like-dimensioned physical quantities, it is a dimensionless quantity, a function of the dimensionless physical constants, and has numerical value independent of the system of units, namely:
  • Proton-to-Electron Mass Ratio - arXiv

    arxiv.org/pdf/1109.5076.pdf Sensitivity of Transitions in Internal Rotor Molecules to a Possible Variation of the Proton-to-Electron Mass Ratio Paul Jansen,1 Isabelle Kleiner,2 Li-Hong Xu,3 Wim Ubachs,1 and Hendrick L. Bethlem1 1Institute for Lasers, Life and Biophotonics, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands
  • Proton-Electron Mass Ratio - EWT - Wave

    energywavetheory.com/physics-constants/proton-electron-mass-ratio Explanation Although it is a ratio of two other constants (proton mass and electron mass), the proton-electron mass ratio is commonly used in physics. And the poor neutron was left out… Derivation – Proton-Electron Mass Ratio The proton-electron mass ratio is derived based on the constants for the electron mass and proton mass+ Read More
  • Strong Limit on a Variable Proton-to-Electron Mass Ratio ...

    science.sciencemag.org/content/320/5883/1611.full The Standard Model of particle physics assumes that the so-called fundamental constants are universal and unchanging. Absorption lines arising in molecular clouds along quasar sightlines offer a precise test for variations in the proton-to-electron mass ratio, μ, over cosmological time and distance scales. The inversion transitions of ammonia are particularly sensitive to μ as compared to ...
  • CODATA Value: proton-electron mass ratio

    physics.nist.gov/cgi-bin/cuu/Value proton-electron mass ratio: Numerical value: 1836.152 673 43 Standard uncertainty: 0.000 000 11 Relative standard uncertainty: 6.0 x 10-11: Concise form
  • Science and Reason: Proton-electron mass ratio

    scienceandreason.blogspot.com/2008/08/proton-electron-mass-ratio.html Strong Limit on a Variable Proton-to-Electron Mass Ratio from Molecules in the Distant Universe – 6/20/08 research article in Science Ammonia: Proton-electron mass ratio constant for 6 gigayears – 7/14/08 blog post on the research, and reasons why no variation in the ratio should be expected Tags: fundamental constants.
  • Why is the proton-electron mass ratio almost exactly 6 ...

    www.quora.com/Why-is-the-proton-electron-mass-ratio-almost-exactly-6-time... You mean why is the 3D proton-electron mass ratio of: 938.272081/.511 = 1836.148 almost 6(pi^5) = 1836.118? The coefficients of the formula for the volume of a 3-sphere is (4/3)pi. The surface of a 4-sphere (aka - hypersphere) has exactly (3/2)pi ...
  • What is the order of the E/M ratio of electrons, protons ...

    www.quora.com/What-is-the-order-of-the-E-M-ratio-of-electrons-protons-neu... I think you meant the charge/mass ratio by E/M. Electrons and protons have the same charge.(1.602×10^-19c)But protons are 1840 times heavier than electrons.E/M of any particle decreases if the mass is increased. So the E/M of electron is higher th...
  • On the electron to proton mass ratio and the proton structure

    www.researchgate.net/.../258276264_On_the_electron_to_proton_mass_ratio_and_t... On the electron to proton mass ratio and the proton structure Article (PDF Available) in EPL (Europhysics Letters) 102(4):42002 · June 2013 with 49 Reads How we measure 'reads'
  • Mass-to-charge ratio - Wikipedia

    en.wikipedia.org/wiki/Mass-to-charge_ratio The mass-to-charge ratio (m/Q) is a physical quantity that is most widely used in the electrodynamics of charged particles, e.g. in electron optics and ion optics.It appears in the scientific fields of electron microscopy, cathode ray tubes, accelerator physics, nuclear physics, Auger electron spectroscopy, cosmology and mass spectrometry. The importance of the mass-to-charge ratio, according ...