Atomic and nuclear properties of lithium tetraborate Li2B4O7
QuantityValueUnits ValueUnits
<Z/A> 0.48487     
Specific gravity 2.440 g cm-3   
Mean excitation energy 94.6 eV   
Minimum ionization 1.688 MeV g-1cm2 4.119 MeV cm-1
Nuclear collision length 59.6 g cm-2 24.42 cm
Nuclear interaction length 86.5 g cm-2 35.44 cm
Pion collision length 86.8 g cm-2 35.57 cm
Pion interaction length 118.5 g cm-2 48.56 cm
Radiation length 39.70 g cm-2 16.27 cm
Critical energy 73.23 MeV (for e-) 71.21 MeV (for e+)
Molière radius 11.50 g cm-2 4.712 cm
Plasma energy ℏωp 31.34 eV   
Muon critical energy 960. GeV   
Composition:
Elem ZAtomic frac* Mass frac
Li
 3
2.00
0.082085
B
5
4.00
0.255680
O
8
7.00
0.662235
* calculated from mass fraction data

For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PDF TEXT
Table of muon dE/dx and Range: PDF TEXT
Explanation of some entries