Matches in SemOpenAlex for { <https://semopenalex.org/work/W2787246479> ?p ?o ?g. }
- W2787246479 abstract "Fornal and Grinstein recently proposed that the discrepancy between two different methods of neutron lifetime measurements, the beam and bottle methods, can be explained by a previously unobserved dark matter decay mode, $nensuremath{rightarrow}X+ensuremath{gamma}$. We perform a search for this decay mode over the allowed range of energies of the monoenergetic $ensuremath{gamma}$ ray for $X$ to be dark matter. A Compton-suppressed high-purity germanium detector is used to identify $ensuremath{gamma}$ rays from neutron decay in a nickel-phosphorous-coated stainless-steel bottle. A combination of Monte Carlo and radioactive source calibrations is used to determine the absolute efficiency for detecting $ensuremath{gamma}$ rays arising from the dark matter decay mode. We exclude the possibility of a sufficiently strong branch to explain the lifetime discrepancy with 97% confidence." @default.
- W2787246479 created "2018-02-23" @default.
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- W2787246479 date "2018-07-11" @default.
- W2787246479 modified "2023-10-18" @default.
- W2787246479 title "Search for the Neutron Decay <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mi>n</mml:mi><mml:mo>→</mml:mo><mml:mi>X</mml:mi><mml:mo>+</mml:mo><mml:mi>γ</mml:mi></mml:mrow></mml:math> , Where <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mi>X</mml:mi></mml:mrow></mml:math> is a Dark Matter Particle" @default.
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- W2787246479 doi "https://doi.org/10.1103/physrevlett.121.022505" @default.
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