Authorized symbols and units
The use of standard units and symbols in writing jrmbs articles is mandatory. Some of these are:
|
Common Abbreviations and Misuses |
|
|
Use |
Do Not Use |
|
µm |
µ |
|
nm |
mµ |
|
fm |
F (F is for farad) |
|
g |
gm |
|
A |
amp |
|
K |
°K |
|
sr |
Sr, ster, str |
|
u |
amu |
|
cm3 |
cc |
|
deg |
DEG, DEG., deg. |
|
keV |
KEV, KeV |
|
MeV |
Mev, MEV |
|
MeV/nucleon |
MeV/u, MeV/amu, MeV/A |
|
µN |
n.m. |
|
c.m. (=center of mass) |
CM |
|
arb. units |
a.u. (for atomic units) |
|
Preferred Notations |
Notation Example |
Style Notes |
|
nucleon number (mass number) |
14N |
left superscript |
|
state of ionization |
Ca2+ |
right superscript |
|
excited state |
110Agm, 14N* |
right superscript |
|
number of atoms in a molecule |
14N2 |
right subscript |
|
bombarding particles |
n, p, d, t, h, and 𝛼 |
𝜏 not acceptable |
|
other beam particles |
6Li, 12C, ... |
only the usual symbols |
|
target nuclides |
1H, 2H, 3H, 3He, 4He ... |
not D, T, … |
|
differential cross section |
σ(ϑ), σ(E,ϑ) |
i.e., angle or energy shown as argument |
|
derivative |
d2σ/dΩ dE |
d2σ by itself or dσ/dΩdE not acceptable |
|
mathematical relationship |
dM/dA, ds/dZ |
e.g., semiempirical mass formula; not acceptable for data characterization since A and Z are not continuous |