Proton’s Inner Antimatter (the reference list)

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The Antiworld Review №7, 2018

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author: Daniel L. Miller

1. A proton is made from two up quarks, one down quarks, and quark — antiquark sea which are required to properly account the proton mass and the angular momenta. An anti–proton today is assumed to be exact charge conjugate copy of a proton, I’m not aware of any experimentally detected violation. Now, lets understand the reported asymmetry. I take some citations from Quanta Magazine review. Cited papers discuss asymmetry between protons and neutrons. It is translated into asymmetry between up quarks and down quarks; experiment reports what they call “up/down” ratio. There is no data on “up/down ratio” for “charge conjugated” setup (eg shooting protons on anti–proton / anti–deuterium targets.)
   • Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter, Quanta Magazine, N. Wolchover
   • Dove, J., Kerns, B., McClellan, R.E. et al. The asymmetry of antimatter in the proton. Nature 590, 561–565 (2021).
   • Ji, X., Yuan, F. & Zhao, Y. What we know and what we don’t know about the proton spin after 30 years. Nat Rev Phys 3, 27–38 (2021).
   • Editorial, Proton puzzles. Nat Rev Phys 3, 1 (2021).
2. Is it possible to define and compare internal degeneracy between proton and anti–proton. Let’s learn the Ellis-Jaffe sum rule and the Bjorken sum rule.
   • J. Ashman et al, A measurement of the spin asymmetry and determination of the structure function g1 in deep inelastic muon-proton scattering, Physics Letters B, Volume 206, Issue 2, 1988.

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Die AntiWelt Schreiben	El Antimundo Revisión	La Critique AntiMondial