Golf ball cores comprising a halogenated organosulfur compound

A golf ball formed of a single core and a cover, wherein the core has a diameter of at least about 1.55 inches and comprises a polybutadiene rubber composition comprising greater than about 2.3 parts per hundred of pentachlorothiophenol or a metal salt thereof, and wherein the cover comprises:

• an inner cover layer comprising an ionomeric material and having a thickness of less than about 0.04 inches;
• and
• an outer cover layer having a thickness of no greater than about 0.03 inches and comprising a polyurethane composition.

A golf ball formed of a core and a cover, wherein the core has a compression of less than about 75 and a diameter of at least about 1.50 incline and comprises a polybutadiene rubber composition comprising at least about 2.2 parts per hundred of a halogenated organosulfur compound, and wherein the golf ball has a coefficient of restitution of greater than about 0.800 and the cover has a thickness of less than about 0.1 inches and is formed of an inner cover layer and an outer cover layer.