The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A254153 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A254153

Decimal expansion of alpha particle mass in kg.
(history; published version)

#19 by Michael De Vlieger at Tue May 14 14:05:29 EDT 2024

STATUS

proposed

approved

#18 by Andrey Zabolotskiy at Tue May 14 11:40:10 EDT 2024

STATUS

editing

proposed

#17 by Andrey Zabolotskiy at Tue May 14 10:53:06 EDT 2024

DATA

6, 6, 4, 4, 6, 5, 7, 3, 34

EXAMPLE

6.6446573357(20)64465734...*10^(-27) kg.

EXTENSIONS

Last digit updated from CODATA 2022 by Andrey Zabolotskiy, May 14 2024

STATUS

approved

editing

Discussion

Tue May 14

10:56

Andrey Zabolotskiy: Even under our current policy of not including too many digits of experimentally known constants (which Felix follows) correcting updates to the Data are sometimes required, but only as small as this one.

#16 by Bruno Berselli at Tue Oct 01 09:13:34 EDT 2019

STATUS

reviewed

approved

#15 by Joerg Arndt at Tue Oct 01 07:38:55 EDT 2019

STATUS

proposed

reviewed

#14 by Felix Fröhlich at Mon Sep 30 16:57:46 EDT 2019

STATUS

editing

proposed

#13 by Felix Fröhlich at Mon Sep 30 16:57:27 EDT 2019

KEYWORD

nonn,cons,changedmore

STATUS

proposed

editing

Discussion

Mon Sep 30

16:57

Felix Fröhlich: Yes, I guess.

#12 by Felix Fröhlich at Mon Sep 30 16:29:41 EDT 2019

STATUS

editing

proposed

Discussion

Mon Sep 30

16:52

Michel Marcus: then keyword more ?

#11 by Felix Fröhlich at Mon Sep 30 16:26:04 EDT 2019

LINKS

NIST, <a href="httphttps://physics.nist.gov/cgi-bin/cuu/Value?mal">CODATA Value: alpha particle mass</a>

#10 by Felix Fröhlich at Mon Sep 30 16:25:19 EDT 2019

DATA

6, 6, 4, 4, 6, 5, 7, 3, 3

COMMENTS

6.644 656 75(29) * 10^-27 kg according to CODATA 2010.

a(-20) is 6 or 7.

EXAMPLE

6.6446573357(20)*10^(-27) kg.

EXTENSIONS

Edited and updated with three additional digits by Felix Fröhlich, Sep 30 2019

STATUS

approved

editing