Common Numerical Values
for use with ATLAS Common Numerical Values
for use with ATLAS
| GEM | 2.0cm wide x 4.0cm high,
rectangular (other values are often used) |
| SLS | 3.2cm diameter, circular. |
| LAD | 1.5cm wide x 4.0cm high,
rectangular (other values were often used) |
Vanadium
Vanadium density=6.1039 g cm-3 = 0.072160 atoms Å-3
Vanadium absorption cross-section at neutron wavelength of 1.8Å is 5.08 barns
Standard vanadium cross-section file: g_f:van.mut
| '6mm' vanadium rod | diameter=0.6007cm, radius=0.30035cm |
| '8mm' vanadium rod | diameter=0.8340cm, radius=0.4170cm |
| '10mm' vanadium rod | diameter=0.9858±0.0065cm, radius=0.4929cm (there is considerable variation in this rod's diameter) |
inner radius |
outer radius |
total height |
|
'6mm' drawn vanadium cans |
0.2985cm |
0.3175cm |
~4.6cm |
'8mm' drawn vanadium cans |
0.381cm |
0.394cm |
6.350cm |
'11mm' drawn vanadium cans |
0.541cm |
0.557cm |
- |
'15mm' drawn vanadium cans |
0.775cm |
0.790cm |
7.55cm |
'8mm' Harwell vanadium cans |
0.4cm |
0.4065cm |
5.145cm |
'5mm' thin vanadium foil cans |
0.25cm |
0.2525cm |
6.5cm |
'8mm' thin vanadium foil cans |
0.40cm |
0.4025cm |
8cm |
'8.3mm' thin vanadium foil cans |
0.415cm | 0.4175cm | 8cm |
Titanium-Zirconium null alloy, Ti.Zr
Ti.Zr density=5.2777 g cm-3 = 0.051622 atoms Å-3Ti.Zr absorption cross-section at neutron wavelength of 1.8Å is 4.232 barns
Standard Ti.Zr cross-section file: g_f:tizr.mut
'8mm' cans with stopper: inner radius=0.402cm, outer radius=0.435cm. Internal volume of can is a cylinder of height 6.3cm with a conical section at the bottom of height ~ 0.275cm.
Silica Glass, SiO2
SiO2 density= 0.066378 atoms Å-3
SiO2 absorption cross-section at neutron wavelength of 1.8Å is 0.0572 barns
Standard SiO2 cross-section file: g_f:sio2.mut
(A list of standard .MUT cross-section files is available here.)
Last updated on 04 Mar 2008 by Alex Hannon (a.c.hannon@rl.ac.uk)