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Related papers: Experiments with ultracold neutrons - first 50 yea…

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The ultracold neutron (UCN) source at the Paul Scherrer Institute (PSI) provides high intensities of storable neutrons for fundamental physics experiments. The neutron velocity spectrum parallel to the beamline axis was determined by…

Instrumentation and Detectors · Physics 2023-10-02 G. Bison , W. Chen , P. -J. Chiu , M. Daum , C. B. Doorenbos , K. Kirch , V. Kletzl , B. Lauss , D. Pais , I. Rienäcker , P. Schmidt-Wellenburg , G. Zsigmond

There are worldwide efforts to search for physics beyond the Standard Model of particle physics. Precision experiments using ultracold neutrons (UCN) require very high intensities of UCN. Efficient transport of UCN from the production…

Instrumentation and Detectors · Physics 2015-12-09 B. Blau , M. Daum , M. Fertl , P. Geltenbort , L. Goeltl , R. Henneck , K. Kirch , A. Knecht , B. Lauss , P. Schmidt-Wellenburg , G. Zsigmond

The IceCube Neutrino Observatory includes a tightly spaced inner array in the deepest ice, called DeepCore, which gives access to low-energy neutrinos with a sizable surrounding cosmic ray muon veto. Designed to be sensitive to neutrinos at…

High Energy Physics - Experiment · Physics 2019-08-13 Chang Hyon Ha

We present experimental data on ultracold neutron (UCN) production in solid oxygen from 5 K to 50 K. The experiment used 3 cells of different dimensions in order to study the excess UCN elastic scattering in s-O$_2$ due to source density…

Nuclear Experiment · Physics 2011-03-29 C. -Y. Liu , C. M. Lavelle , D. J. Salvat , W. Fox , G. Manus , P. M. McChesney , Y. Shin , A. Couture

The UCNA experiment was designed to measure the neutron $\beta$-asymmetry parameter $A_0$ using polarized ultracold neutrons (UCN). UCN produced via downscattering in solid deuterium were polarized via transport through a 7 T magnetic…

The study of neutron cross sections for elements used as efficient ``absorbers'' of ultracold neutrons (UCN) is crucial for many precision experiments in nuclear and particle physics, cosmology and gravity. In this context, ``absorption''…

We consider a scenario where ultra high energy neutrinos undergo unparticle decay during its passage from its cosmological source to Earth. The idea of unparticle had been first proposed by Georgi by considering the possible existence of an…

High Energy Physics - Phenomenology · Physics 2019-01-30 Madhurima Pandey

We review the phenomenology of ultra-high energy (UHE) neutrino detection. The motivations for looking for such neutrinos stemming from observational evidence and the potential for new physics discoveries are enumerated, and their expected…

High Energy Physics - Phenomenology · Physics 2009-10-31 Raj Gandhi

The first papers on neutrino oscillations are shortly reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky

We investigate the possibility of ultracold neutron (UCN) storage in quantum states defined by the combined potentials of the Earth's gravity and the neutron optical repulsion by a horizontal surface of liquid helium. We analyse the…

Nuclear Experiment · Physics 2016-08-31 P. D. Grigoriev , O. Zimmer , T. Ziman , A. D. Grigoriev

This talk sketches the main milestones of the path towards cubic kilometer neutrino telescopes. It starts with the first conceptual ideas in the late 1950s and describes the emergence of concepts for detectors with a realistic discovery…

High Energy Astrophysical Phenomena · Physics 2019-03-28 Christian Spiering

The Deep Underground Neutrino Experiment (DUNE) is a dual-site experiment for long-baseline neutrino oscillation studies and for neutrino astrophysics and nucleon decay searches. The Far Detector of DUNE will consist of four 10 kt liquid…

Instrumentation and Detectors · Physics 2019-10-25 A. Gallego-Ros

The IceCube Neutrino Observatory is a Cherenkov detector located at the South Pole. Its main component consists of an in-ice array of optical modules instrumenting one cubic kilometer of deep Glacial ice. The DeepCore sub-detector is a…

High Energy Astrophysical Phenomena · Physics 2023-06-29 Shiqi Yu

It's been a remarkable decade in neutrino physics. Ten years ago this summer, at the 1998 neutrino conference in Takayama, the Super-Kamiokande collaboration reported the observation of neutrinos changing flavor, thereby establishing the…

High Energy Physics - Experiment · Physics 2008-10-23 Christopher W. Walter

Experiments using slow neutrons address a growing range of scientific issues spanning nuclear physics, particle physics, astrophysics, and cosmology. The field of fundamental physics using neutrons has experienced a significant increase in…

Nuclear Experiment · Physics 2009-01-06 J. S. Nico , W. M. Snow

Ultracold neutrons were used to search for signals indicating the violation of Lorentz and CPT invariance or the existence of dark matter using the spectrometer to search for an electric dipole moment of the neutron.

High Energy Physics - Phenomenology · Physics 2016-07-26 Vira Bondar

I will discuss the motivations for Neutrino Astronomy and its prospects given the current experimental scenario, which is the main focus of this paper. I will also go through the first results of the IceCube detector deep in the ice and of…

Instrumentation and Methods for Astrophysics · Physics 2010-12-13 Teresa Montaruli

A permanent electric dipole moment (EDM) of a fundamental particle violates both parity (P) and time (T) reversal symmetry and combined charge and parity (CP) reversal symmetry if the combined reversal of charge, parity \textit{and} time…

Instrumentation and Detectors · Physics 2018-10-03 Ruediger Picker

The neutron lifetime is important in understanding the production of light nuclei in the first minutes after the big bang and it provides basic information on the charged weak current of the standard model of particle physics. Two different…