- of a
second 300 rs: The mean
lifetime of W and Z
bosons 10−24
yoctosecond ys
Yoctosecond, (yocto- + second), is one
septillionth of a
second 23 ys: The...
- are
rarely used today.) Note that "y"
means "year", but "ys"
means "
yoctosecond" (10−24 second). ( ) –
Uncertainty (1σ) is
given in
concise form in parentheses...
-
sunken city in Brittany, France. Y.S. River, in the
island of
Jamaica Yoctosecond, or ys, a unit of time
equal to 10−24
seconds Yottasecond, or Ys, a unit...
- zs
zeptosecond 1021 s Zs
zettasecond 31.7
trillion years 10−24 s ys
yoctosecond 1024 s Ys
yottasecond 31.7
quadrillion years 10−27 s rs
rontosecond 1027...
- half-lives
between approximately 10−19 and 10−10 seconds. Twenty-three
yoctoseconds is the time
needed to
traverse a 7-femtometre
distance at the
speed of...
-
nonillionth of a second.
rontosecond 10−27 s One
octillionth of a second.
yoctosecond 10−24 s One
septillionth of a second.
jiffy (physics) 3×10−24 s The amount...
- The
least stable known isotope is 14 F ,
whose half-life is 500(60)
yoctoseconds,
corresponding to a
resonance width of 910(100) keV. mF –
Excited nuclear...
- shortest-lived
isotope is the
unbound 11 O with a half-life of 198(12)
yoctoseconds,
though half-lives have not been
measured for the
unbound heavy isotopes...
- shortest-lived
known isotope is nitrogen-10, with a half-life of 143(36)
yoctoseconds,
though the half-life of nitrogen-9 has not been
measured exactly. mN –...
- 92(24) milliseconds. The
least stable is 10 He , with a half-life of 260(40)
yoctoseconds (2.6(4)×10−22 s),
although it is
possible that 2 He may have an even...
