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.
Italy also has a number of intriguing ghost towns that can be visited. Ghost town in Sicily, Poggioreale . A nice idea if you are staying in Italy is to cook a festive, color-coordinated Halloween pasta dish. Black linguine with squash and peppers, for example. For the recipe, see here. Halloween pasta with black linguine, roasted squash and peppers