HEP System¶
Namespace: mp_units::hep
Module: mp_units.systems
Header: <mp-units/systems/hep.h>
Units¶
| Unit Name | Symbol | unit_symbol | Definition |
|---|---|---|---|
atomic_ |
u | u |
mag_ratio<1'660'539'066'605, 1'000'000'000'000> * |
barn |
b | b |
mag_power<10, -28> * |
electron_ |
m_e | m_e |
mag_ratio<9'109'383'701'528, 1'000'000'000'000> * |
elementary_ |
— | — | alias to si::elementary_ |
fermi |
— | fm |
si::femto<si::metre> |
neutron_ |
m_n | m_n |
mag_ratio<1'674'927'498'049, 1'000'000'000'000> * |
planck_ |
— | — | alias to si::planck_ |
proton_ |
m_p | m_p |
mag_ratio<1'672'621'923'695, 1'000'000'000'000> * |
speed_ |
— | — | alias to si::speed_ |