Webb JK - Search Results

1

Four direct measurements of the fine-structure constant 13 billion years ago.

Wilczynska MR, Webb JK, Bainbridge M, Barrow JD, Bosman SEI, Carswell RF, Dąbrowski MP, Dumont V, Lee CC, Leite AC, Leszczyńska K, Liske J, Marosek K, Martins CJAP, Milaković D, Molaro P, Pasquini L. Wilczynska MR, et al. Among authors: webb jk. Sci Adv. 2020 Apr 24;6(17):eaay9672. doi: 10.1126/sciadv.aay9672. Print 2020 Apr. Sci Adv. 2020. PMID: 32917582 Free PMC article.

2

Indications of a spatial variation of the fine structure constant.

Webb JK, King JA, Murphy MT, Flambaum VV, Carswell RF, Bainbridge MB. Webb JK, et al. Phys Rev Lett. 2011 Nov 4;107(19):191101. doi: 10.1103/PhysRevLett.107.191101. Epub 2011 Oct 31. Phys Rev Lett. 2011. PMID: 22181590

3

Stringent null constraint on cosmological evolution of the proton-to-electron mass ratio.

King JA, Webb JK, Murphy MT, Carswell RF. King JA, et al. Among authors: webb jk. Phys Rev Lett. 2008 Dec 19;101(25):251304. doi: 10.1103/PhysRevLett.101.251304. Epub 2008 Dec 19. Phys Rev Lett. 2008. PMID: 19113692

4

Limits on the dependence of the fine-structure constant on gravitational potential from white-dwarf spectra.

Berengut JC, Flambaum VV, Ong A, Webb JK, Barrow JD, Barstow MA, Preval SP, Holberg JB. Berengut JC, et al. Among authors: webb jk. Phys Rev Lett. 2013 Jul 5;111(1):010801. doi: 10.1103/PhysRevLett.111.010801. Epub 2013 Jul 3. Phys Rev Lett. 2013. PMID: 23862989 Free article.

5

Further evidence for cosmological evolution of the fine structure constant.

Webb JK, Murphy MT, Flambaum VV, Dzuba VA, Barrow JD, Churchill CW, Prochaska JX, Wolfe AM. Webb JK, et al. Phys Rev Lett. 2001 Aug 27;87(9):091301. doi: 10.1103/PhysRevLett.87.091301. Epub 2001 Aug 9. Phys Rev Lett. 2001. PMID: 11531558 Free article.

6

A high deuterium abundance at redshift z = 0.7.

Webb JK, Carswell RF, Lanzetta KM, Ferlet R, Lemoine M, Vidal-Madjar A, Bowen DV. Webb JK, et al. Nature. 1997 Jul 17;388(6639):250-2. doi: 10.1038/40814. Nature. 1997. PMID: 9230433

7

Inconstant constants: do the inner workings of nature change with time?

Barrow JD, Webb JK. Barrow JD, et al. Among authors: webb jk. Sci Am. 2005 Jun;292(6):56-63. Sci Am. 2005. PMID: 15934653 No abstract available.

8

Limits on variations in fundamental constants from 21-cm and ultraviolet Quasar absorption lines.

Tzanavaris P, Webb JK, Murphy MT, Flambaum VV, Curran SJ. Tzanavaris P, et al. Among authors: webb jk. Phys Rev Lett. 2005 Jul 22;95(4):041301. doi: 10.1103/PhysRevLett.95.041301. Epub 2005 Jul 22. Phys Rev Lett. 2005. PMID: 16090794

9

Comment on "limits on the time variation of the electromagnetic fine-structure constant in the low energy limit from absorption lines in the spectra of distant quasars".

Murphy MT, Webb JK, Flambaum VV. Murphy MT, et al. Among authors: webb jk. Phys Rev Lett. 2007 Dec 7;99(23):239001. doi: 10.1103/PhysRevLett.99.239001. Epub 2007 Dec 6. Phys Rev Lett. 2007. PMID: 18233422 Corrected and republished. No abstract available.

10

Early veno-venous extracorporeal membrane oxygenation is an effective strategy for traumatically injured patients presenting with refractory respiratory failure.

Powell EK, Reynolds TS, Webb JK, Kundi R, Cantu J, Keville M, O'Connor JV, Stein DM, Hanson MP, Taylor BS, Scalea TM, Galvagno SM Jr. Powell EK, et al. Among authors: webb jk. J Trauma Acute Care Surg. 2023 Aug 1;95(2S Suppl 1):S50-S59. doi: 10.1097/TA.0000000000004057. Epub 2023 May 29. J Trauma Acute Care Surg. 2023. PMID: 37246288 Free PMC article.

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