Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-01-31
Phys.Rev.D65:103503,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages 2 figurs: second version have several references added and some new comments
Scientific paper
10.1103/PhysRevD.65.103503
Recent data on cosmological variation of the electromagnetic fine structure constant from distant quasar (QSO) absorption spectra have inspired a more general discussion of possible variation of other constants. We discuss variation of strong scale and quark masses. We derive the limits on their relative change from (i) primordial Big-Bang Nucleosynthesis (BBN); (ii) Oklo natural nuclear reactor, (iii) quasar absorption spectra, and (iv) laboratory measurements of hyperfine intervals.
Flambaum Victor V.
Shuryak Edward V.
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