Scientific Commons: M. D. Hasinoff

Decay of negative muons bound in $^{27}$Al (2009)

Grossheim, A., Bayes, R., Bueno, J. F., Depommier, P., Faszer, W., Fujiwara, M. C., ...

We present the first measurement of the energy spectrum up to 70 MeV of electrons from the decay of negative muons after they become bound in $^{27}$Al atoms. The data were taken with the TWIST...

A Precision Measurement of the Muon Decay Parameters $\rho$ and $\delta$ (2008)

Bayes, R., Bueno, J., Davydov, Yu. I., Depommier, P., Faszer, W., ...

The TWIST collaboration has performed new measurements of two of the parameters that describe muon decay: $\rho$, which governs the shape of the overall momentum spectrum, and $\delta$, which governs...

Test of isospin symmetry via low energy $^1$H($\pi^-$,$\pi^o$)$n$ charge exchange (2008)

Jia, Y., Gorringe, T. P., Hasinoff, M. D., Kovash, M. A., Ojha, M., Pavan, M. M., ...

We report measurements of the $\pi^- p \to \pi^o n$ differential cross sections at six momenta (104-143 MeV/c) and four angles (0-40 deg) by detection of $\gamma$-ray pairs from $\pi^o \to \gamma...

Double radiative pion capture on hydrogen and deuterium and the nucleon's pion cloud (2007)

Tripathi, S., Armstrong, D. S., Christy, M. E., Clark, J. H. D., Gorringe, T. P., Hasinoff, M. D., ...

We report measurements of double radiative capture in pionic hydrogen and pionic deuterium. The measurements were performed with the RMC spectrometer at the TRIUMF cyclotron by recording photon pairs...

Prospects for the CERN Axion Solar Telescope sensitivity to 14.4 keV axions (2007)

Jakovcic, K., Andriamonje, S., Aune, S., Avignone, F., Barth, K., Belov, A., ...

Prospects for the CERN Axion Solar Telescope Sensitivity to 14.4 keV Axions (2006)

Jakovcic, K, Andriamonje, Samuel A, Aune, S, Avignone, F T, Barth, K, Belov, A, ...

The CERN Axion Solar Telescope (CAST) is searching for solar axions using the 9.0 T strong and 9.26 m long transverse magnetic field of a twin aperture LHC test magnet, where axions could be...

Measurement of P_{mu}xi in Polarized Muon Decay (2006)

Jamieson, TWIST Collaboration: B., Bayes, R., Davydov, Yu. I., Depommier, P., Doornbos, J., Faszer, W., ...

The quantity P_{mu}^{pi}xi, where xi is one of the muon decay parameters and $P_{\mu}^{\pi}$ is the degree of muon polarization in pion decay, has been measured. The value P_{mu}^{pi}xi = 1.0003 +-...

Search for solar axions: the CAST experiment (2006)

Andriamonje, S., Aune, S., Barth, K., Belov, A., Beltrán, B., Bräuninger, H., ...

Ortho-para transition rate in $\mu$-molecular hydrogen and the proton's induced pseudoscalar coupling $g_p$ (2005)

Clark, J. H. D., Armstrong, D. S., Gorringe, T. P., Hasinoff, M. D., King, P. M., Stocki, T. J., ...

We report a measurement of the ortho-para transition rate in the p$\mu$p molecule. The experiment was conducted at TRIUMF via the measurement of the time dependence of the 5.2 MeV neutrons from muon...

Search for solar axions: the CAST experiment at CERN (2005)

Beltran, B, Andriamonje, Samuel A, Arsov, V, Aune, S, Autiero, D, Avignone, F T, ...

Hypothetical axion-like particles with a two-photon interaction would be produced in the sun by the Primakoff process. In a laboratory magnetic field they would be transformed into X-rays with...

First results from the CERN Axion Solar Telescope (CAST) (2005)

Andriamonje,S., Arsov,V., Aune,S., Autiero,D., Avignone,F., Barth,K., ...

Hypothetical axion-like particles with a two-photon interaction would be produced in the Sun by the Primakoff process. In a laboratory magnetic field (``axion helioscope'') they would be transformed...

First results from the CERN Axion Solar Telescope (2005)

Zioutas, K., Andriamonje, S., Arsov, V., Aune, S., Autiero, D., Avignone, F. T., ...

First results from the CERN Axion Solar Telescope (CAST) (2005)

Andriamonje, S., Arsov, V., Aune, S., Autiero, D., Avignone, F., Barth, K., ...

Hypothetical axion-like particles with a two-photon interaction would be produced in the Sun by the Primakoff process. In a laboratory magnetic field (``axion helioscope'') they would be transformed...

First results from the CERN Axion Solar Telescope (CAST) (2005)

Andriamonje, S., Arsov, V., Aune, S., Autiero, D., Avignone, F., Barth, K., ...

First results from the CERN Axion Solar Telescope (CAST) (2004)

Andriamonje, Samuel A, Arsov, V, Aune, S, Autiero, D, Barth, K, Belov, A, ...

Hypothetical axion-like particles with a two-photon interaction would be produced in the Sun by the Primakoff process. In a laboratory magnetic field (``axion helioscope'') they would be transformed...

Search for exotic baryons in double radiative capture on pionic hydrogen (2004)

Zolnierczuk, P. A., Armstrong, D. S., Christy, E., Clark, J. H. D., Gorringe, T. P., Hasinoff, M. D., ...

We report a search for low-lying exotic baryons via double radiative capture on pionic hydrogen. The data were collected at the TRIUMF cyclotron using the RMC spectrometer by detecting gamma-ray...

Axion searches at CERN with the CAST Telescope (2003)

Eleftheriadis, C, Andriamonje, Samuel A, Arik, E, Autiero, D, Avignone, F T, Barth, K, ...

The CERN Axion Solar Telescope (CAST) searches for axions coming from photon to axion conversion in the sun's core, as stated by the Primakoff effect. Axions arise in particle physics as a...

Search for d^* Dibaryon by Double-radiative Capture on Pionic Deuterium (2002)

Zolnierczuk, P. A., Gorringe, T. P., Hasinoff, M. D., Kovash, M. A., Tripathi, S., Wright, D. H.

We report a search for d^* dibaryon production by double-radiative capture on pionic deuterium. The experiment was conducted at the TRIUMF cyclotron using the RMC cylindrical pair spectrometer, and...

Muon capture on Chlorine-35 (2002)

Arole, S., Armstrong, D. S., Gorringe, T. P., Hasinoff, M. D., Kovash, M. A., Kuzmin, V., ...

We report measurements of $\gamma$--ray spectra from muon capture on $^{35}$Cl. For the allowed Gamow--Teller transitions to the $^{35}$S$(2939, 3/2^+)$ state and the $^{35}$S$(3421, 5/2^+)$ state we...

Observation of double radiative capture on pionic hydrogen (2002)

Tripathi, S., Armstrong, D. S., Christy, M. E., Clark, J. H. D., Gorringe, T. P., Hasinoff, M. D., ...

We report the first observation of double radiative capture on pionic hydrogen. The experiment was conducted at the TRIUMF cyclotron using the RMC spectrometer, and detected $\gamma$--ray...

A Decommissioned LHC Model Magnet as an Axion Telescope (1998)

Zioutas, Konstantin, Aalseth, C E, Abriola, D, Avignone, F T, Brodzinski, R L, Collar, J I, ...

The 8.4 Tesla, 10 m long transverse magnetic field of a twin aperture LHC bending magnet can be utilized as a macroscopic coherent solar axion-to-photon converter. Numerical calculations show that...

High-Precision Structural Studies of the Antiproton Helium Atom $\overline{p}^{4}He^+$ by Observing Laser Resonances with $\Delta v = \Delta (n-l-1) = 2$ (1996)

Yamazaki, T, Widmann, E, Eades, John, Kumakura, M, Morita, N, Torii, H A, ...

Very weak laser resonances of unfavoured transitions $(n,l) \rightarrow (n+1,l-1)$ have been observed in metastable \={p}$^4$He$^+$ atoms by using a pulsed antiproton beam. The observed wavelengths...

High-Precision Structural Studies of the Antiproton Helium Atom $\overline{p}^{4}He^+$ by Observing Laser Resonances with $\Delta v = \Delta (n-l-1) = 2$ (1996)

Yamazaki, T, Widmann, E, Eades, John, Kumakura, M, Morita, N, Torii, H A, ...

Very weak laser resonances of unfavoured transitions $(n,l) \rightarrow (n+1,l-1)$ have been observed in metastable \={p}$^4$He$^+$ atoms by using a pulsed antiproton beam. The observed wavelengths...

Radiative Muon Capture on Hydrogen and the Induced Pseudoscalar Coupling (1996)

Jonkmans, G., Ahmad, S., Armstrong, D. S., Azuelos, G., Bertl, W., Blecher, M., ...

The first measurement of the elementary process $\mu^- p \rightarrow \nu_{\mu} n \gamma$ is reported. A photon pair spectrometer was used to measure the partial branching ratio ($2.10 \pm 0.22)...

First measurement of the vector analyzing power in muon capture by polarized muonic $^{3}$He (1995)

Cummings, W J, Behr, J, Bogorad, P, Brash, E J, Cates, G D, Gorelov, A V, ...

Observation of radiative muon capture on the proton (1994)

Depommier, P, Armstrong, D S, Azuelos, Georges, Bertl, W, Blecher, M, Chen, C Q, ...

Radiative muon capture on the proton (1994)

Jonkmans, G, Armstrong, D S, Azuelos, Georges, Bertl, W, Blecher, M, Chen, C Q, ...

Measurement of the induced pseudoscalar coupling via radiative muon capture on hydrogen (1994)

Hasinoff, M D, Chen, C Q, Gumplinger, P, Larabee, A J, Saettler, E, Sample, D G, ...

A compact hydrogen recycling system using metal hydrides (1994)

Bertl, W, Healey, D C, Zmeskal, J, Hasinoff, M D, Blecher, M, Wright, D H

pi0 and eta spectra from p$\overline{p}$ annihilations at rest (1990)

Adiels, L, Alberis, G, Backenstoss, Gerhard, Blüm, H P, Bergström, I, Fransson, K, ...