Atomic and nuclear properties of yttrium bromide (YBr3)
QuantityValueUnits ValueUnits
<Z/A> 0.43820     
Specific gravity 5.290 g cm-3   
Mean excitation energy 410.0 eV   
Minimum ionization 1.356 MeV g-1cm2 7.176 MeV cm-1
Nuclear collision length 89.6 g cm-2 16.93 cm
Nuclear interaction length 148.5 g cm-2 28.08 cm
Pion collision length 114.4 g cm-2 21.62 cm
Pion interaction length 176.8 g cm-2 33.42 cm
Radiation length 11.13 g cm-2 2.104 cm
Critical energy 16.42 MeV (for e-) 15.90 MeV (for e+)
Molière radius 14.37 g cm-2 2.717 cm
Plasma energy ωp 43.87 eV   
Muon critical energy 270. GeV   
Composition:
Elem ZAtomic frac* Mass frac
Y
39
1.00
0.270545
Br
35
3.00
0.729455
* 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
Note: Ieff calculated using the ICRU37 algorithm given in Table 5.1