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Physics of fundamental Symmetries and Interactions - PSI2010

10–14 Oct 2010
PSI
Europe/Zurich timezone

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Session

Session Mo - 4

1 - 4
11 Oct 2010, 16:30
Main Auditorium (WHGA/001) (PSI)

Main Auditorium (WHGA/001)

PSI

CH-5232 Villigen PSI

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  1. 89. An Ultra-cold Neutron User Facility at Los Alamos National Lab
    Alexander Saunders (Los Alamos National Lab)
    11/10/2010, 16:30
    Advanced ultracold neutron sources
    Oral
    An ultra-cold neutron source has been constructed and is now operating at Los Alamos National Lab. This source, which is based on a solid deuterium converter driven by pulsed spallation-produced neutrons, provides UCN densities of 30 UCN/cc with negligible source-related backgrounds. The source is able to simultaneously provide UCNs to two experiment locations; the first is now occupied the...
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  2. 66. Final Performance of the Pulsed Superthermal UCN Sources at the TRIGA Mainz
    Dr Thorsten Lauer (University of Mainz)
    11/10/2010, 16:45
    Advanced ultracold neutron sources
    Oral
    Research in fundamental physics with the free neutron is one of the key tools for testing the Standard Model at low energies. Significant improvements of the experimental performance using ultracold neutrons (UCN) require reduction of both systematic and statistical errors. The development of new UCN sources based on the superthermal concept is therefore an important step for the success of...
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  3. 128. Status of the Ultracold Neutron Source at PSI
    Dr Bertrand Blau (PSI)
    11/10/2010, 17:00
    Oral
    Commissioning of the new ultracold neutron (UCN) source at the Paul Scherrer Institut (PSI) has started. The design goal of this new generation high-intensity UCN source is to exceed the currently available ultracold neutron densities by a factor of ~100, thus making it very valuable for fundamental physics research like the search for a neutron electric dipole moment. The source will deliver...
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  4. 52. The Ultra-Cold Neutron Source at the FRM-II
    Dr Andreas Frei (Physik Department E18 - Technische Universität München)
    11/10/2010, 17:15
    Advanced ultracold neutron sources
    Oral
    A new strong source for the production of ultra-cold neutrons (UCN) is currently built up at the FRM-II. It will be installed at the horizontal beam tube SR-6, with a solid hydrogen pre-moderator and a solid deuterium UCN-converter located approx. 60 cm away from the reactor fuel element. UCN are produced inside the solid deuterium via the superthermal principle of conversion of the pre-cooled...
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  5. 96. Production of UCN at J-PARC
    Prof. Hirohiko Shimizu (KEK)
    11/10/2010, 17:30
    Advanced ultracold neutron sources
    Oral
    The application of the pulsed proton beam from the Japan Proton Accelerator Research Complex (J-PARC) to produce ultracold neutrons is proposed for the measurement of the electric dipole moment of neutrons. An active optics synchronized with the UCN time-of-flight is proposed to suppress the decrease of the spatial UCN density on transporting the instantaneousely dense UCNs into a remote...
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  6. 39. Preparation of facilities for fundamental research with ultracold neutrons at PNPI
    Mr Arcady Zakharov (Petersburg Nuclear Physics Institute)
    11/10/2010, 17:45
    Advanced ultracold neutron sources
    Oral
    The WWR-M reactor of PNPI offers a unique opportunity to prepare a source for ultracold neutrons (UCN) in an environment of high neutron flux (about 3x10^12 n/cm2/s) but still acceptable radiation heat release (about 4x10^-3 W/g). It can be realized within the thermal column situated close to the reactor core. With its large diameter of 1 m, this channel allows to install a 15-cm-thick bismuth...
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