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New Experimental Constraints for the Standard Model from Muon Decay
R. Bayes, J. F. Bueno, A. Hillairet +27
The TWIST Collaboration has completed a new measurement of the energy-angle spectrum of positrons from the decay of highly polarized muons. A simultaneous measurement of the muon d…
Blind analysis results of the TWIST experiment
A. Hillairet, R. Bayes, J. F. Bueno +28
The TRIUMF Weak Interaction Symmetry Test (TWIST) experiment was designed to test the standard model at high precision in the purely leptonic decay of polarized muons. A general fo…
Measurement of the K+ -> pi0 mu+ nu_mu gamma Branching Ratio
The E787 Collaboration
A measurement of the decay K+ -> pi0 mu+ nu_mu gamma has been performed with the E787 detector at Brookhaven National Laboratory. Forty events were observed in the signal region wi…
Study of a Large NaI(Tl) Crystal
A. Aguilar-Arevalo, M. Aoki, M. Blecher +14
Using a narrow band positron beam, the response of a large high-resolution NaI(Tl) crystal to an incident positron beam was measured. It was found that nuclear interactions cause t…
High Purity Pion Beam at TRIUMF
A. Aguilar-Arevalo, M. Blecher, D. A. Bryman +14
An extension of the TRIUMF M13 low-energy pion channel designed to suppress positrons based on an energy-loss technique is described. A source of beam channel momentum calibration…