Is radiation an essential trace energy ?
نویسنده
چکیده
Radiation protection policy in the United States and in most of the world is based on the assumption that the risk of a radiation induced fatal cancer is linearly proportional to the dose. This is known as the linear, no-threshold (LNT) model of radiation risk. There are no human data to support this assumption for a short-term dose below 0.2 Gy ̄the equivalent of about two centuries of exposure to natural gamma radiation. If there is a threshold at 0.2 Gy (and much larger for low dose rate radiation) or benefits from the low dose rate radiation received by many workers, billions of tax dollars can be saved annually in the U.S.
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