物理定数 - TOML

[[items]]
code = "c"
slug = "speed-of-light"
name = "光速"
description = "真空中の光の伝播速度。"
symbol = "c"
uncertainty = "exact"
unit = "m s^-1"
value = "299792458"

[[items]]
code = "h"
slug = "planck-constant"
name = "プランク定数"
description = "量子力学の基礎となる定数。"
symbol = "h"
uncertainty = "exact"
unit = "J Hz^-1"
value = "6.62607015e-34"

[[items]]
code = "h-bar"
slug = "reduced-planck-constant"
name = "ディラック定数（約化プランク定数）"
description = "プランク定数を2πで割った値。"
symbol = "ℏ"
uncertainty = "exact"
unit = "J s"
value = "1.054571817e-34"

[[items]]
code = "G"
slug = "gravitational-constant"
name = "万有引力定数"
description = "ニュートンの万有引力法則における比例定数。"
symbol = "G"
uncertainty = "0.00015e-11"
unit = "m^3 kg^-1 s^-2"
value = "6.67430e-11"

[[items]]
code = "Na"
slug = "avogadro-constant"
name = "アボガドロ定数"
description = "1モル中の粒子数。"
symbol = "N_A"
uncertainty = "exact"
unit = "mol^-1"
value = "6.02214076e23"

[[items]]
code = "e"
slug = "elementary-charge"
name = "基本電荷"
description = "電子の持つ電荷の大きさ。"
symbol = "e"
uncertainty = "exact"
unit = "C"
value = "1.602176634e-19"

[[items]]
code = "k"
slug = "boltzmann-constant"
name = "ボルツマン定数"
description = "温度とエネルギーの変換係数。"
symbol = "k"
uncertainty = "exact"
unit = "J K^-1"
value = "1.380649e-23"

[[items]]
code = "alpha"
slug = "fine-structure-constant"
name = "微細構造定数"
description = "電磁相互作用の強さを表す無次元定数。"
symbol = "α"
uncertainty = "0.0000000011e-3"
unit = ""
value = "7.2973525643e-3"

[[items]]
code = "me"
slug = "electron-mass"
name = "電子質量"
description = "電子の静止質量。"
symbol = "m_e"
uncertainty = "0.0000000028e-31"
unit = "kg"
value = "9.1093837139e-31"

[[items]]
code = "mp"
slug = "proton-mass"
name = "陽子質量"
description = "陽子の静止質量。"
symbol = "m_p"
uncertainty = "0.00000000052e-27"
unit = "kg"
value = "1.67262192595e-27"

[[items]]
code = "mn"
slug = "neutron-mass"
name = "中性子質量"
description = "中性子の静止質量。"
symbol = "m_n"
uncertainty = "0.00000000085e-27"
unit = "kg"
value = "1.67492750056e-27"

[[items]]
code = "R"
slug = "molar-gas-constant"
name = "モル気体定数"
description = "理想気体の状態方程式における定数。"
symbol = "R"
uncertainty = "exact"
unit = "J mol^-1 K^-1"
value = "8.314462618"

[[items]]
code = "sigma"
slug = "stefan-boltzmann-constant"
name = "ステファン・ボルツマン定数"
description = "黒体放射の全放射エネルギー密度を表す定数。"
symbol = "σ"
uncertainty = "exact"
unit = "W m^-2 K^-4"
value = "5.670374419e-8"

[[items]]
code = "R-inf"
slug = "rydberg-constant"
name = "リュードベリ定数"
description = "水素原子のスペクトル線を記述する定数。"
symbol = "R_∞"
uncertainty = "0.000012"
unit = "m^-1"
value = "10973731.568157"

[[items]]
code = "a0"
slug = "bohr-radius"
name = "ボーア半径"
description = "水素原子の基底状態における電子の平均距離。"
symbol = "a_0"
uncertainty = "0.00000000082e-11"
unit = "m"
value = "5.29177210544e-11"

[[items]]
code = "muB"
slug = "bohr-magneton"
name = "ボーア磁子"
description = "電子の磁気モーメントの自然単位。"
symbol = "μ_B"
uncertainty = "0.0000000029e-24"
unit = "J T^-1"
value = "9.2740100657e-24"

[[items]]
code = "muN"
slug = "nuclear-magneton"
name = "核磁子"
description = "核子の磁気モーメントの自然単位。"
symbol = "μ_N"
uncertainty = "0.0000000016e-27"
unit = "J T^-1"
value = "5.0507837393e-27"

[[items]]
code = "F"
slug = "faraday-constant"
name = "ファラデー定数"
description = "1モルの電子の持つ電荷量。"
symbol = "F"
uncertainty = "exact"
unit = "C mol^-1"
value = "96485.33212"

[[items]]
code = "g"
slug = "standard-acceleration-of-gravity"
name = "標準重力加速度"
description = "地球表面での標準的な重力加速度。"
symbol = "g"
uncertainty = "exact"
unit = "m s^-2"
value = "9.80665"