The decay of the neutron is associated with a quark transformation in which a down quark is converted to an up by the weak interaction . The average lifetime of 10.3 min/0.693 = 14.9 minutes is surprisingly long for a particle decay that yields 1.29 MeV of energy.
The Stella Cherry Tree is a small self pollinating tree which produces an abundance of heart shaped, shiny, black red fruit with red flesh. It can live up to 35 years on a compact 15 foot tree.
One of the most beautiful cherry blossom trees is the âsnow fountainsâ weeping cherry. This weeping cherry blossom tree is suitable for landscape use in zones five through eight. They will grow to a height of eight to fifteen feet and have a mature spread of six to eight feet.The weeping branches of this cherry blossom tree will often reach the ground, and have lovely light pink blooms. Another beautiful cherry blossom tree is the purple leaf sand cherry tree.This cherry blossom tree is slightly hardier, and will grow in zones three through eight. The growth rate is moderate, and size will range from seven to fourteen feet tall with a mature spread of seven to ten feet.eeping cherry trees look beautiful in full bloom. Some will produce so many flowers, that the entire tree will appear as one giant bloom. Weeping cherry trees look excellent as an accent in the center of a lawn.