Aγ is a Greek letter, pronounced as "alpha gamma." It is often used in various fields, including mathematics and physics, to represent specific variables or constants. In the Greek alphabet, it is the third letter, following Α (alpha) and Β (beta). In addition to its mathematical significance, Aγ can also refer to certain scientific concepts, such as gamma radiation, which is a form of electromagnetic radiation. This radiation is emitted during radioactive decay and is known for its high energy and penetrating power, making it important in fields like nuclear physics and medical imaging.