If Only One Photon Is Detected and No Other Photon

question 18

Multiple Choice

If only one photon is detected and no other photon is observed during the time window for an annihilation pair,then:

• A) the original event is discarded.
• B) only the one photon is recorded.
• C) the computer estimates the probable location.
• D) the examination must be repeated in an hour.

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Definitions:

Vague Definition

A description or explanation that lacks clarity or precision, making it hard to understand or apply.

Precise Criterion

A specific and clear standard or principle used for judging, evaluating, or making decisions.

Sometimes

Occurring occasionally or at irregular intervals; not consistently or regularly.

Somewhere

An unspecified or indefinite place.