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    280642 research outputs found

    Mass Spectrometry of Rare Nuclei at the Ion-Storage Ring CSRe in Lanzhou

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    Taylor & Francis
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    Precision Mass Measurement of 26P^{26}P and 27S^{27}S and Their Impact on the 26P(p,γ)27S^{26}P(p,\gamma)^{27}S Reaction in Stellar X-Ray Bursts

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    Institute of Physics Publ.
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    Search for the lepton number violation decay ϕ→π+π+e−e−\phi\rightarrow\pi^{+}\pi^{+}e^{-}e^{-} via J/ψ→ϕη∗J/\psi\rightarrow\phi\eta^{*}

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    IOP Publ.
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    Excited-state lifetimes in 131In^{131}In, 131Sn^{131}Sn, and 136Te^{136}Te measured with the HiCARI γ -ray spectrometer at RIBF at RIKEN

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    Inst.
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    Direct observation of β and γ decay from a high-spin long-lived isomer in 187^{187}Ta

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    Inst.
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    The FLUKA Monte Carlo simulation of the magnetic spectrometer of the FOOT experiment

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    North Holland Publ. Co.
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    Radioresistant, Rare, Recurrent, and Radioinduced: 4Rs of Hadrontherapy for Patients Selections

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    Particle Therapy Cooperative Group
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    JUNO sensitivity to invisible decay modes of neutrons

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    Springer
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    We explore the decay of bound neutrons in the JUNO liquid scintillator detector into invisible particles (e.g., n → 3ν or nn → 2ν), which do not produce an observable signal. The invisible decay includes two decay modes: n → inv and nn → inv. The invisible decays of s shell neutrons in 12 C will leave a highly excited residual nucleus. Subsequently, some de-excitation modes of the excited residual nuclei can produce a time- and space-correlated triple coincidence signal in the JUNO detector. Based on a full Monte Carlo simulation informed with the latest available data, we estimate all backgrounds, including inverse beta decay events of the reactor antineutrino ν̄e , natural radioactivity, cosmogenic isotopes and neutral current interactions of atmospheric neutrinos. Pulse shape discrimination and multivariate analysis techniques are employed to further suppress backgrounds. With two years of exposure, JUNO is expected to give an order of magnitude improvement compared to the current best limits. After 10 years of data taking, the JUNO expectedsensitivities at a 90% confidence level are τ/B(n → inv) > 5.0 × 1031 years and τ/B(nn → inv) > 1.4 × 1032 years

    Real-time modal decomposition of fiber laser beams using a spatial mode multiplexer

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    Optica Publishing Group
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    Dose Build-up of High-energy 1^1H and 4^4He Ions in Standard, Innovative and In Situ Shielding Materials for Space Radiation: Measurements and Simulations

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    Radiation Research Society
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