Neutron lifetime puzzle

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Neutron, Neutron temperature, Neutron capture, Neutron imaging, Neutron star, Neutron flux, Neutron diffraction, Neutron moderator, Neutron generator, Neutron detection, Jimmy Neutron, Neutron bomb, Prompt neutron, Neutron triple-axis spectrometry, Neutron emission, Neutron research facility, Neutron capture therapy of cancer, Neutron activation analysis, Neutron scattering, Neutron source, Neutron-velocity selector, Neutron activation, Neutron number, Radio-quiet neutron star, Neutron reflectometry, Neutron cross section, Free neutron decay, Neutron star merger, Spallation Neutron Source, Neutron stars in fiction, Ultracold neutrons, Nested neutron spectrometer, Small-angle neutron scattering, Neutron poison, Neutron interferometer, List of Jimmy Neutron characters, Neutron transport, Neutron-star oscillation, Neutron spectroscopy, Journal of Neutron Research, Fast neutron therapy, Discovery of the neutron, Neutron probe, Jimmy Neutron: Boy Genius, ISIS Neutron and Muon Source, Neutron–proton ratio, Neutron Man, Neutron (comics), The Adventures of Jimmy Neutron, Boy Genius, Startup neutron source, Neutron spin echo, Delayed neutron, Neutron Time Of Flight, Neutron Dance, Californium neutron flux multiplier, Neutron moisture gauge, List of neutron stars, Rocket Lab Neutron, Modulated neutron initiator, Neutron decay, China Spallation Neutron Source, Neutron Star (short story), Neutron-acceptance diagram shading, Conan Neutron & the Secret Friends, Jimmy Neutron's Nicktoon Blast, Formation evaluation neutron porosity, Thermal-neutron reactor, Fast-neutron reactor, Neutron radiation, Neutron Star Collision (Love Is Forever), Neutron electric dipole moment, Jimmy Neutron vs. Jimmy Negatron, Spin echo small angle neutron scattering, Accelerator Neutrino Neutron Interaction Experiment, Boron neutron capture therapeutics, The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies, Prompt gamma neutron activation analysis, Neutron Trail, Self Powered Neutron Detector, List of The Adventures of Jimmy Neutron, Boy Genius episodes, The Adventures of Jimmy Neutron Boy Genius: Jet Fusion, Neutron tomography, Large-Area Neutron Detector, Neutron reflector, Neutron magnetic imaging, Neutron backscattering, Neutron monitor, Neutron Science Laboratory, Neutron howitzer, Miniature neutron source reactor, We Got the Neutron Bomb, Jimmy Neutron (franchise), Neutron Tide, Real-time Neutron Monitor Database, Neutron (synthesizer), Neutron Star Interior Composition Explorer, Virgin neutron, Neutron and Star, Los Alamos Neutron Science Center, Quasielastic neutron scattering, Neutron economy, Nucleon magnetic moment, Neutron (game), Neutron microscope, Neutron supermirror, Neutron depth profiling, Spherical neutron polarimetry, R-process, Neutron irradiation damage, Neutron (disambiguation), Neutron resonance spin echo, Nuclear chain reaction, Neutron time-of-flight scattering, Neutron embrittlement, Neutron scattering length, Super-Neutron, Neutron star spin-up, High-Flux Advanced Neutron Application Reactor, Neutron (DC Comics), Timeline of white dwarfs, neutron stars, and supernovae, Neutron stimulated emission computed tomography, Halo nucleus, Nuclear drip line, Magnetic proton recoil neutron spectrometer, Time-dependent neutronics and temperatures, Neutron capture nucleosynthesis, CryoEDM, Antineutron, Habitability of neutron star systems, Canadian Neutron Beam Centre, Degenerate matter, Neutron Star (disambiguation), The Magnificent Seven (neutron stars), Jimmy Neutron: Boy Genius (video game), Jimmy Neutron (disambiguation), Neutron (Linus), LARMOR neutron microscope, Neutron-induced swelling, Modular Neutron Array, Fine-Resolution Epithermal Neutron Detector, Intense Pulsed Neutron Source, List of most massive neutron stars, Calvera (X-ray source), Tetraneutron, FRM II, Neutron Star (short story collection), NGC 4993, Wolf Ruvinskis, Pulsar kick, Be/X-ray binary, Neutrons (video game)