Planck constant - Revision history

Carl McBride: Added CODADTA reference.

2008-08-20T16:30:53Z

Added CODADTA reference.

← Older revision		Revision as of 18:30, 20 August 2008
Line 1:		Line 1:
	The '''Planck constant''' (<math>h</math>), is named after the German physicist [[Max Karl Ernst Ludwig Planck]].		The '''Planck constant''' (<math>h</math>), is named after the German physicist [[Max Karl Ernst Ludwig Planck]].
	Its value (in SI units, 2006 [http://www.codata.org/ CODATA]) is:		Its value (in SI units, 2006 [http://www.codata.org/ CODATA] (Ref. 1)) is:

	:<math> 6.626 068 96(33)\times 10^{-34}</math> Js		:<math> 6.626 068 96(33)\times 10^{-34} ~\mathrm{Js}</math>

	More recent measurements place a preliminary value at <math> 6.626 070 95(44)\times 10^{-34}</math> Js (Ref. 1)		More recent measurements place a preliminary value at <math> 6.626 070 95(44)\times 10^{-34}~\mathrm{Js}</math> (Ref. 2)
	==References==		==References==
			#[http://dx.doi.org/10.1103/RevModPhys.80.633 Peter J. Mohr, Barry N. Taylor, and David B. Newell "CODATA recommended values of the fundamental physical constants: 2006", Reviews of Modern Physics '''80''' 633 (2008)]
	#[http://dx.doi.org/10.1088/0026-1394/44/6/001 I A Robinson and B P Kibble "An initial measurement of Planck's constant using the NPL Mark II watt balance", Metrologia '''44''' pp. 427-440 (2007)]		#[http://dx.doi.org/10.1088/0026-1394/44/6/001 I A Robinson and B P Kibble "An initial measurement of Planck's constant using the NPL Mark II watt balance", Metrologia '''44''' pp. 427-440 (2007)]


	[[Category: Physical constants]]		[[Category: Physical constants]]

Carl McBride: Updated value with 2006 CODATA

2008-08-20T16:17:31Z

Updated value with 2006 CODATA

← Older revision		Revision as of 18:17, 20 August 2008
Line 1:		Line 1:
	The '''Planck constant''' (<math>h</math>),is named after the German physicist [[Max Karl Ernst Ludwig Planck]].		The '''Planck constant''' (<math>h</math>), is named after the German physicist [[Max Karl Ernst Ludwig Planck]].
	Its value (in SI units, ~~2002~~ [http://www.codata.org/ CODATA]) is:		Its value (in SI units, 2006 [http://www.codata.org/ CODATA]) is:

			:<math> 6.626 068 96(33)\times 10^{-34}</math> Js

			More recent measurements place a preliminary value at <math> 6.626 070 95(44)\times 10^{-34}</math> Js (Ref. 1)
			==References==
			#[http://dx.doi.org/10.1088/0026-1394/44/6/001 I A Robinson and B P Kibble "An initial measurement of Planck's constant using the NPL Mark II watt balance", Metrologia '''44''' pp. 427-440 (2007)]

	~~:<math>6.626 0693(11) \times 10^{-34}</math> Js~~

	[[Category: Physical constants]]		[[Category: Physical constants]]

Carl McBride: New page: The '''Planck constant''' ( $h$ ),is named after the German physicist Max Karl Ernst Ludwig Planck. Its value (in SI units, 2002 [http://www.codata.org/ CODATA]) is: : $...$

2007-02-26T18:15:30Z

New page: The '''Planck constant''' (<math>h</math>),is named after the German physicist Max Karl Ernst Ludwig Planck. Its value (in SI units, 2002 [http://www.codata.org/ CODATA]) is: :<math>...

New page

The '''Planck constant''' (<math>h</math>),is named after the German physicist [[Max Karl Ernst Ludwig Planck]].
Its value (in SI units, 2002 [http://www.codata.org/ CODATA]) is:

:<math>6.626 0693(11) \times 10^{-34}</math> Js

[[Category: Physical constants]]

Planck constant - Revision history

Carl McBride: Added CODADTA reference.

Carl McBride: Updated value with 2006 CODATA

Carl McBride: New page: The '''Planck constant''' (h),is named after the German physicist Max Karl Ernst Ludwig Planck. Its value (in SI units, 2002 [http://www.codata.org/ CODATA]) is: :...

Carl McBride: New page: The '''Planck constant''' ( $h$ ),is named after the German physicist Max Karl Ernst Ludwig Planck. Its value (in SI units, 2002 [http://www.codata.org/ CODATA]) is: : $...$