atomic number 40

Definitions

  • WordNet 3.6
    • n atomic number 40 a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
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Usage


In science:

Starting in the lower right corner of the figure, we see that for large mean occupancies ¯n ∈ 7, 8, and ramp times larger than ∼ 40/Elattice , the number of excited atoms pr lattice site is at or below the few-% level.
Number distributions for fermions and fermionized bosons in periodic potentials
Nuclear quadrupole moments (Qs) in three isotopes of potassium (K) with atomic mass numbers 39, 40 and 41 are evaluated more precisely in this work.
Revisiting Nuclear Quadrupole Moments in $^{39-41}$K Isotopes
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