A sub-ppm upper limit on the cosmological variations of the fine structure constant α.

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Title: A sub-ppm upper limit on the cosmological variations of the fine structure constant α.
Authors: Muller, S.1 (AUTHOR) mullers@chalmers.se, Beelen, A.2 (AUTHOR), Guélin, M.3,4 (AUTHOR), Black, J. H.1 (AUTHOR), Combes, F.5 (AUTHOR), Bethlem, H. L.6 (AUTHOR), Gérin, M.4 (AUTHOR), Henkel, C.7 (AUTHOR), Menten, K. M.7 (AUTHOR), Murphy, M. T.8 (AUTHOR), Ubachs, W.6 (AUTHOR), Wozny, N.9 (AUTHOR)
Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2026, Vol. 706, p1-10. 10p.
Database: Academic Search Ultimate
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        Value: 10.1051/0004-6361/202557492
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              Text: 2026
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