sentence: Detection probably comes from the fact that they are affected by gravity.
sentences_before: Sterile neutrinos', also known as 'neutral heavy leptons', 'heavy neutrinos', or 'right-handed neutrinos', are theoretical particles that are extremely difficult to find. This is because they are not affected by all of fundamental forces that rule normal physics, only gravity.
concept_name: detection
headings: Sterile neutrino
categories: Subatomic particles