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.lthough 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.