Conveners
WG4: Muon Physics and High Intensity applications
- Akira Sato (Osaka U)
WG4: Muon Physics and High Intensity applications
- Francesco Tenchini (I)
WG4: Muon Physics and High Intensity applications
- Yasuhiro Miyake (KEK)
WG4: Muon Physics and High Intensity applications
- Patrick Strasser (KEK)
WG4: Muon Physics and High Intensity applications: J34: Joint session between WG3 and WG4
- Yoshitaka Kuno (Osaka University)
WG4: Muon Physics and High Intensity applications
- There are no conveners in this block
WG4: Muon Physics and High Intensity applications
- Phillip Litchfield (U)
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Francesco Tenchini (I)25/08/2014, 14:30Within the scope of the Standard Model, the $\mu\to e+\gamma$ decay is forbidden by lepton flavor conservation. Several lepton flavor violating extensions of the Standard Model however predict a measurable $\mu\to e+\gamma$ branching ratio. The MEG experiment at PSI presently holds the current best experimental limit for this decay ($5.7\times10^{-13}$ at 90% CL) and is currently being...Go to contribution page
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Moritz Kiehn (Heidelberg University)25/08/2014, 15:00The Mu3e experiment searches for the lepton flavor violating decay μ$\,\to\,$eee aiming for a sensitivity of better than 1 in 10$^{16}$ decays, a four order of magnitude improvement over the previous search by the SINDRUM experiment. This sensitivity is achieved by a novel experimental design based on thin monolithic active silicon pixel detectors and scintillating fibres and tiles. In this...Go to contribution page
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Cornelis Onderwater (University of Groningen (NL))25/08/2014, 15:30This talk covers the recent results and prospects of tau cLFV decays from LHCb, super-B (Belle-II), as well as BaBar and Belle experiments.Go to contribution page
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Xiao Luo (Boston University)26/08/2014, 11:00The goal of the MuSun experiment at PSI is to measure the rate of muon capture on the deuteron with a precision of 1.5%. This rate will be used to fix the low-energy constant that describes the two-nucleon weak axial current in Chiral perturbation theory. It will therefore calibrate evaluations of solar proton-proton fusion and neutrino-deuteron scattering(SNO experiment). MuSun forms part of...Go to contribution page
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Katherine MESICK (Rutgers University)26/08/2014, 11:30The Proton Radius Puzzle refers to the disagreement between the proton charge radius as determined from muonic hydrogen and the radius determined from atomic hydrogen level transitions and $ep$ elastic scattering form factor data. The discrepancy of $\sim 7\sigma$ is not yet explained, and though numerous resolutions have been proposed there is no generally accepted resolution to the...Go to contribution page
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Katsuhiko ISHIDA (RIKEN)26/08/2014, 12:00A new measurement is planned to precisely determine the muonic proton hyperfine splitting energy with laser spectroscopy by using the intense pulsed muon beam at RIKEN-RAL or J-PARC. A tunable intense mid infra-red laser will be used to cause the hyperfine transition. With circularly polarized laser at the resonant energy, we expect to create observable muon spin polarization in the...Go to contribution page
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Yohei Nakatsugawa (KEK)26/08/2014, 14:00The charged Lepton Flavor Violation (cLFV) is a clear evidence of the new physics beyond the Standard Model, and $\mu-e$ conversion is considered as one of the most powerful probes to search for cLFV. DeeMe is a new experiment to search for $\mu-e$ conversion at J-PARC Materials and Life Science Experimental Facility (MLF). This experiment will be carried out at a brand-new beamline (H Line)...Go to contribution page
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Dr Patrick Strasser (KEK)26/08/2014, 14:30At the J-PARC Muon Science Facility (MUSE), we are now planning a new measurement of the ground state hyperfine structure (HFS) of muonium. High precison measurements of muonium HFS is the most sensitive tool for testing QED theory. Fundamental constants of the muon mass and magnetic moment are currently determined by the previous muonium HFS experiment at LAMPF. The new high intensity muon...Go to contribution page
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Phillip Litchfield (U)26/08/2014, 15:00The AlCap experiment is a joint project between the COMET and Mu2e collaborations. Both experiments intend to look for the lepton-flavour violating conversion $\mu + A \rightarrow e + A$, using tertiary muons from high-power pulsed proton beams. In these experiments the products of ordinary muon capture in the muon stopping target are a important concern, both in terms of hit rates in...Go to contribution page
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Yasuhiro Miyake (KEK)27/08/2014, 11:00The J-PARC MUSE is designed to extract efficiently either pions or muons from a muon production graphite target to the four muon beam lines, the so-called D-Line, U-Line, S-Line and H-Line, enabling a variety of muon related experiments, at the ten experimental areas (D1, D2, U1A, U1B, S1, S2, S3, S4, H1 and H2) utilizing unique features of the pulsed muon beams. In the symposium, the...Go to contribution page
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Taihei Adachi (KEK)27/08/2014, 11:30The ultra slow muon beam, which has the kinetic energy range from a few eV to 30 keV and small beam size, is expected to be an innovative probe for surface and interface, and extends the scope of the μSR technique to thin films and small samples. A new muon beamline called "U-line", which designed to supply ultra slow muon beam, is now under construction at the Materials and Life Science...Go to contribution page
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Yuki Matsumoto (Tohoku University)28/08/2014, 11:00A muon beam facility called “MuSIC” has been built at Research Center of Nuclear Physics, Osaka University. MuSIC consists of the pion capture solenoid and the muon transport with a 36° curved solenoid. The intensity of MuSIC is expected to be 2 x 108[μ+/sec/μA] from an experiment performed at MuSIC. In 2014 a new beamline was built downstream of the curved solenoid. The new beamline has...Go to contribution page
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Phillip Litchfield (U)28/08/2014, 11:20
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Yury Kolomensky (UC Berkeley/LBNL)28/08/2014, 11:40
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Jaroslaw Pasternak (Imperial College, London), Jean-Baptiste Lagrange28/08/2014, 12:10
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Katsuhiko Ishida (RIKEN)29/08/2014, 14:00A new experiment is under preparation to measure the muon g-2 and EDM at J-PARC with a novel technique called ultra-slow muon beam. I present the recent progresses, especially those in the ultra-slow muon beam production.Go to contribution page
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George M. Grange (Argonne National Laboratories)29/08/2014, 14:30
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Akira SATO (Osaka University)29/08/2014, 16:00The COMET experiment will search the muon to electron conversion , which violates lepton-flavor conservation, with a phased approach. The first stage, COMET-Phase-I, will achieve a single event sensitivity of $3×10^{−15}$ with a short muon transport solenoid and a cylindlical detector system. Then in the stage two, COMET Phase-II, finally achieves the sensitivity of $3×10^{−16}$ with a long C...Go to contribution page
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Ajit Kurup (Imperial College Sci., Tech. & Med. (GB))29/08/2014, 16:30The COMET experiment aims to search for muon to electron conversion with a sensitivity of $<10^{-17}$. The experiment will be built in two phases, with Phase-I aiming at a sensitivity of $<10^{-15}$ using a cylindrical drift chamber. The design of COMET Phase-II has a longer beam line to improve the quality of the muon beam and perform momentum selection of electrons. The detector system...Go to contribution page