Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physics problem
|
| gptkbp:beam_method_result |
approximately 888 seconds
|
| gptkbp:bottle_method_result |
approximately 879 seconds
|
| gptkbp:concerns |
neutron lifetime measurement
|
| gptkbp:differential |
about 9 seconds
|
| gptkbp:field |
particle physics
|
| gptkbp:first_noticed |
early 2000s
|
| https://www.w3.org/2000/01/rdf-schema#label |
neutron lifetime puzzle
|
| gptkbp:importantFor |
impacts Big Bang nucleosynthesis
tests Standard Model |
| gptkbp:involves |
discrepancy between bottle and beam experiments
|
| gptkbp:possible_explanations |
neutron decay to dark matter
new physics systematic errors |
| gptkbp:relevant_experiment |
gptkb:NIST_beam_experiment
gptkb:UCNτ_experiment |
| gptkbp:status |
unsolved as of 2024
|
| gptkbp:bfsParent |
gptkb:neutrons
|
| gptkbp:bfsLayer |
5
|