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ambient dose equivalent, H*(d)
Definition
dose at a point equivalent to the one produced by the corresponding expanded and aligned radiation field in the ICRU sphere at a specific depth on the radius opposing the direction of the aligned fieldNotes
- NOTE 1 It is normally represented by H*(d), where d is the specific depth used in its definition, in mm.
- NOTE 2 H*(d) is relevant to strongly penetrating radiation. The value normally used is 10 mm, but dose equivalent at other depths can be used when the dose equivalent at 10 mm provides an unacceptable underestimate of the effective dose.
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