Template_talk:Infobox_barium_isotopes

Talk:Isotopes of barium

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Barium 112?

The article on isotopes of xenon briefly mentions barium-112 as the "heaviest nuclide with equal numbers of protons and neutrons". It isn't in the Ba article; maybe it was discovered recently, or maybe it isn't confirmed and the article on isotopes of Xe needs fixing. Can someone fix this? It's beyond my level of expertise. Oaklandguy (talk) 05:05, 17 September 2017 (UTC)

I found a reference on it, but it requires subscription to access: https://link.springer.com/chapter/10.1007/978-3-540-70609-0_115. –LaundryPizza03 (d c̄) 23:51, 31 May 2018 (UTC)

Possible alpha decay of ¹⁴⁰Ba

The following table is made according to the trend shown in as well as the Geiger-Nuttall law.

More information n, 5n2nX ...

n	⁵ⁿ_2nX	Alpha decay energy (MeV)	Possible order of theoretical alpha decay half-life
27	¹³⁵Xe	Alpha stable
28	¹⁴⁰Ba	0.74	10⁴² yr
29	¹⁴⁵Ce	0.20	10¹¹⁸ yr
30	¹⁵⁰Nd	Alpha stable
31	¹⁵⁵Sm	Alpha stable
32	¹⁶⁰Gd	Alpha stable
33	¹⁶⁵Dy	Alpha stable
34	¹⁷⁰Er	0.05	10⁴⁰⁸ yr
35	¹⁷⁵Yb	0.60	10⁸⁴ yr
36	¹⁸⁰Hf	1.29	10⁴⁵ yr
37	¹⁸⁵W	1.59	10⁴⁶ yr
38	¹⁹⁰Os	1.38	10⁴⁷ yr
39	¹⁹⁵Pt	1.19	10⁶⁴ yr
40	²⁰⁰Hg	0.72	10⁹⁵ yr
41	²⁰⁵Pb	1.47	10⁵¹ yr

2A04:CEC0:1011:B1F1:C5E3:F416:5CD7:1B03 (talk) 23:58, 13 November 2023 (UTC)

When NUBASE2020 lists only an upper limit for the intensity of a decay mode, has the process been observed?

NUBASE2020 says 12C<0.0034 for ¹¹⁴Ba.

In the explanation there is a sentence "α=? means that the α-decay is observed, but its intensity is not experimentally known". It does not explain for "(decay mode)<(upper limit)". 129.104.241.214 (talk) 14:38, 24 February 2024 (UTC)

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