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transient products are sometimes missing from equilibrium and decay

Status: Open.

#131 In python-periodictable/periodictable;

· pkienzle opened on Jun 8, 2026

150Nd activation decay chain incorrectly handled.

Status: Open.

#127 In python-periodictable/periodictable;

· pkienzle opened on May 28, 2026

152m2-Eu -> 152-Eu -> 152-Gd daughter products not accumulated

Status: Open.

#126 In python-periodictable/periodictable;

· pkienzle opened on May 27, 2026

Scale the mass of a layered sample by sample area for the activation calculator.

Status: Open.

#125 In python-periodictable/periodictable;

· pkienzle opened on Mar 6, 2026

Use evaluated cross sections where no measurements exist

Status: Open.

#120 In python-periodictable/periodictable;

· pkienzle opened on Feb 19, 2026

Add citation column to the nsf table.

Status: Open.

#119 In python-periodictable/periodictable;

· pkienzle opened on Feb 18, 2026

Use uv to install python in github workflows

Status: Open.

#118 In python-periodictable/periodictable;

· pkienzle opened on Feb 18, 2026

Use nan instead of None for missing values

Status: Open.

#110 In python-periodictable/periodictable;

· pkienzle opened on Jan 9, 2026

Include NUBASE2020 spin, decay modes and energy in the isotope data

Status: Open.

#108 In python-periodictable/periodictable;

· pkienzle opened on Dec 24, 2025

Scrap delayed loading infrastructure

Status: Open.

#102 In python-periodictable/periodictable;

· pkienzle opened on Mar 14, 2025

include transuranic xray scattering data

Status: Open.

#101 In python-periodictable/periodictable;

· pkienzle opened on Feb 12, 2025

use importlib to find data files

Status: Open.

#100 In python-periodictable/periodictable;

· pkienzle opened on Dec 23, 2024