Global ETD Search
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Showing 1 to 8 of 8 for “"muon capture"”.
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Radiative muon capture on nuclear targets
… to detect photons from the radiative muon capture (RMC) process was built. The spectrometer was used to measure the RMC branching ratio for AI, Si, Ca, Mo, Sn and Pb. Two recent theoretical models were used to extract the RMC branching ratio in Ca. The experin1ental result is in good …
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Neutron Emission Following Nuclear Muon Capture in Al
… this study, and includes a measurement of the muon lifetime when captured by Al, Ti, and Pb with results of 864 ± 2, 341 ± 1, and 78 ± 1 ns, respectively. Neutron recoils are measured using two BC501a detectors by removing gamma interactions using an integrated charge comparison method for …
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Muon-Catalyzed Fusion Effects in the Precision Measurement of Muon Capture on the Deuteron
The MuSun experiment will measure the rate of muon capture on the deuteron to 1.5~\% precision. This reaction is related to solar $pp$ fusion and the $\nu d$ scattering reaction at the Sudbury Neutrino Observatory through effective field theories like chiral perturbation theory. The Gamow-Teller …
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Measurement of the Rate of Muon Capture in Hydrogen Gas and Determination of the Proton's Pseudoscalar Coupling
… historical review of previous measurements of muon capture on the proton introduces many of the experimental challenges. The next chapter covers the standard-model phenomenological calculation of Lambda S and knowledge of the proton's weak form factors, and results of modern calculations using …
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A measurement of the rate of muon capture in an ultra-pure protium gas time projection chamber
… to measure the disappearance rate of negative muons in an ultra-pure protium gas to a precision of 15 ppm using a time projection chamber (TPC). Combined with precise knowledge of the rate of free muon decay, this determines the capture rate for the mu-p atom in the singlet hyperfine state, …
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A search for the reaction [mu]⁻ + Cu [arrow] e⁺ + Co
… Momentum analysis of particles emitted following muon capture was performed using a magnetic spectrometer with magnetostrictive readout wire spark chambers. The time of flight through the spectrometer and energy loss in a scintillation counter were measured for each event. One event was observed, …
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A determination of the formation rate of muonic hydrogen molecules in the MuCap experiment
… mu^+ decay rate, l_+, to obtain the mu p singlet capture rate L_S. The motivation is a determination of the pseudoscalar form factor, g_P, of the proton, which relates quadratically to L_S. A mu p atom, created after a muon stops in the TPC, can form molecular hydrogen at the rate l_ppmu. Muon …
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Surface exposure geochronology using cosmogenic nuclides : applications in Antarctic glacial geology
… g cm-2. Models incorporating 3He production by muons and neutrons, erosion, and diffusion suggest that, to explain the core data, muon-induced production rates of 3He must be greater than previously believed. Previously overlooked (n,T) or (n,3He) reactions on Si and 0 by relatively low energy …