The mass of the antileptons is identical to that of the leptons, but all of the other properties are reversed. A third characteristic feature of leptons, in addition to their charge and mass properties, is their intrinsic angular momentum, or spin. Leptons are classified within a larger group of subatomic particles, the fermions, which are characterized by half-integer values of their spin.
Trick and Treat: Halloween in Italy. 28th October 2015. Itâs nearly that spooky time of year again. Although Halloween is renowned around the world as a holiday loved by the Americans (their holidays are celebrated bigger and better than anywhere else) it is becoming more and more popular in Italy.
April is a good time for spring festivals in Italy. Although you'll probably find other small festivals, here are some of the highlights. April 25 is a national holiday celebrating Liberation Day in Italy.Some services may be closed but there will be festivals and concerts in many places.Easter, Pasqua, often falls in April.pril is a good time for spring festivals in Italy. Although you'll probably find other small festivals, here are some of the highlights. April 25 is a national holiday celebrating Liberation Day in Italy.