- The
femtometre (American
spelling femtometer),
symbol fm, (derived from the
Danish and
Norwegian word
femten 'fifteen',
Ancient Gr****: μέτρον, romanized: metron...
-
screening distance tends to be of the
order of a few
femtometers, so only the
outer few
femtometers of a
strangelet can
carry charge.
Although nuclei do...
- The
following are
examples of
orders of
magnitude for
different lengths. To help
compare different orders of magnitude, the
following list
describes various...
- more speculatively, as
isolated droplets that may vary in size from
femtometers (strangelets) to kilometers, as in the
hypothetical strange stars. At...
-
force is also short-range,
dropping quickly in
strength beyond about 3
femtometers,
while the
electromagnetic force has an
unlimited range. The strength...
-
reference to the
hypothetical mani****tion of
matter on the
scale of a
femtometer, or 10−15 m. This is
three orders of
magnitude lower than picotechnology...
- subparticles, they have a
meaningful physical size, a
diameter of
roughly one
femtometer (1×10−15 m),
which is
about 0.6 times the size of a
proton or neutron...
- more speculatively, as
isolated droplets that may vary in size from
femtometers (strangelets) to
kilometers (quark stars). In
particle physics and astrophysics...
-
Coulomb force,
which becomes stronger when
nucleons are
greater than 2.5
femtometers apart. For this reason,
these elements undergo spontaneous fission. In...
-
enough for contact.
Estimating the
radius of an
atomic nuclei as
about one
femtometer, the
energy needed for
fusion of two
hydrogen is: E
thresh = 1 4 π ϵ 0...