Download or read book Report of the Scientific and Technical Review Committee for the Sudbury Neutrino Observatory SNO written by Scientific and Technical Review Committee for the Sudbury Neutrino Observatory and published by . This book was released on 1988 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Sudbury Neutrino Observatory written by Sudbury Neutrino Observatory and published by . This book was released on 1989 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Evidence for Neutrino Oscillations in the Sudbury Neutrino Observatory written by Alysia Diane Marino and published by . This book was released on 2004 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Sudbury Neutrino Observatory Proposal written by G. T. Ewan and published by . This book was released on 1987 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Final Results from the Sudbury Neutrino Observatory written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sudbury Neutrino Observatory (SNO) was a water Cherenkov detector dedicated to investigate elementary particles called neutrinos. It successfully took data between 1999 and 2006. The detector was unique in its use of heavy water as a detection medium, permitting it to make a solar model-independent test of solar neutrino mixing. In fact, SNO conclusively showed that solar neutrinos oscillate on their way from the core of the Sun to the Earth. This groundbreaking observation was made during three independent phases of the experiment. Even if data taking ended, SNO is still in a mode of precise determination of the solar neutrino oscillation parameters because all along SNO had developed several methods to tell charged-current events apart from neutral-current events. This ability is crucial for the final and ultimate data analysis of all the phases. The physics reach of a combined three-phase solar analysis will be reviewed together with results and subtleties about solar neutrino physics.

Download or read book Results from the Sudbury Neutrino Observatory Phase III written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The third and last phase of the Sudbury Neutrino Observatory (SNO) used a technique independent of previous methods, to measure the rate of neutral-current interactions in heavy water and determine precisely the total active 8B solar neutrino flux. The total flux obtained is 5.54{sub -0.31}{sup +0.33}(stat){sub -0.34}{sup +0.36}(syst) x 106 cm−2s−1, in agreement with previous measurements and standard solar models. Results from a global analysis of solar and reactor neutrino give [Delta]m2 = 7.59{sub -0.21}{sup +0.19} x 10−5 eV2 and [theta] = 34.4{sub -1.2}{sup +1.3} degrees with a reduced uncertainty on the mixing angle compared to previous phases.

Download or read book Neutrino Observations from the Sudbury Neutrino Observatory written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Its usage of 1000 metric tons of D2O as target allows the SNO detector to make a solar-model independent test of the neutrino oscillation hypothesis by simultaneously measuring the solar [nu]{sub e} flux and the total flux of all active neutrino species. Solar neutrinos from the decay of 8B have been detected at SNO by the charged-current (CC) interaction on the deuteron and by the elastic scattering (ES) of electrons. While the CC reaction is sensitive exclusively to [nu]{sub e}, the ES reaction also has a small sensitivity to [nu]{sub {mu}} and [nu]{sub {tau}}. In this paper, recent solar neutrino results from the SNO experiment are presented. It is demonstrated that the solar flux from 8B decay as measured from the ES reaction rate under the no-oscillation assumption is consistent with the high precision ES measurement by the Super-Kamiokande experiment. The [nu]{sub e} flux deduced from the CC reaction rate in SNO differs from the Super-Kamiokande ES results by 3.3[sigma]. This is evidence for an active neutrino component, in additional to [nu]{sub e}, in the solar neutrino flux. These results also allow the first experimental determination of the total active 8B neutrino flux from the Sun, and is found to be in good agreement with solar model predictions.

Download or read book Evidence for Neutrino Oscillations in the Sudbury Neutrino Observatory written by and published by . This book was released on 2004 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sudbury Neutrino Observatory (SNO) is a large-volume heavy water Cerenkov detector designed to resolve the solar neutrino problem. SNO observes charged-current interactions with electron neutrinos, neutral-current interactions with all active neutrinos, and elastic-scattering interactions primarily with electron neutrinos with some sensitivity to other flavors. This dissertation presents an analysis of the solar neutrino flux observed in SNO in the second phase of operation, while ≈2 tonnes of salt (NaCl) were dissolved in the heavy water. The dataset here represents 391 live days of data. Only the events above a visible energy threshold of 5.5 MeV and inside a fiducial volume within 550 cm of the center of the detector are studied. The neutrino flux observed via the charged-current interaction is [1.71 ± 0.065(stat.)±{sub 0.068}{sup 0.065}(sys.)±0.02(theor.)] x 106cm−2s−1, via the elastic-scattering interaction is [2.21±0.22(stat.)±{sub 0.12}{sup 0.11}(sys.)±0.01(theor.)] x 106cm−2s−1, and via the neutral-current interaction is [5.05±0.23(stat.)±{sub 0.37}{sup 0.31}(sys.)±0.06(theor.)] x 106cm−2s−1. The electron-only flux seen via the charged-current interaction is more than 7[sigma] below the total active flux seen via the neutral-current interaction, providing strong evidence that neutrinos are undergoing flavor transformation as they travel from the core of the Sun to the Earth. The most likely origin of the flavor transformation is matter-induced flavor oscillation.

Download or read book Sudbury Neutrino Observatory written by and published by . This book was released on 1992 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a technical progress report on work performed at the University of Pennsylvania during the current year on the Sudbury Neutrino Observatory project. The motivation for the experiment is the measurement of neutrinos emitted by the sun. The Sudbury Neutrino Observatory (SNO) is a second generation dedicated solar neutrino experiment which will extend the results of our work with the Kamiokande II detector by measuring three reactions of neutrinos rather than the single reaction measured by the Kamiokande experiment. The collaborative project includes physicists from Canada, the United Kingdom, and the United States. Full funding for the construction of this facility was obtained in January 1990, and its construction is estimated to take five years. The motivation for the SNO experiment is to study the fundamental properties of neutrinos, in particular the mass and mixing parameters, which remain undetermined after decades of experiments in neutrino physics utilizing accelerators and reactors as sources of neutrinos. To continue the study of neutrino properties it is necessary to use the sun as a neutrino source. The long distance to the sun makes the search for neutrino mass sensitive to much smaller mass than can be studied with terrestrial sources. Furthermore, the matter density in the sun is sufficiently large to enhance the effects of small mixing between electron neutrinos and mu or tau neutrinos. This experiment, when combined with the results of the radiochemical 37Cl and 71Ga experiments and the Kamiokande II experiment, should extend our knowledge of these fundamental particles, and as a byproduct, improve our understanding of energy generation in the sun.

Download or read book The Sudbury Neutrino Observatory written by and published by . This book was released on 1992 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two experiments now in progress have reported measurements of the flux of high energy neutrinos from the Sun. Since about 1970, Davis and his co-workers have been using a [sup 37]Cl-based detector to measure the [sup 7]Be and [sup 8]B solar neutrino flux and have found it to be at least a factor of three lower than that predicted by the Standard Solar Model (SSM). The Kamiokande collaborations has been taking data since 1986 using a large light-water Cerenkov detector and have confirmed that the flux is about two times lower than predicted. Recent results from the SAGE and GALLEX gallium-based detectors show that there is also a deficit of the low energy pp solar neutrinos. These discrepancies between experiment and theory could arise because of inadequacies in the theoretical models of solar energy generation or because of previously unobserved properties of neutrinos. The Sudbury Neutrino Observatory (SNO) will provide the information necessary to decide which of these solutions to the solar neutrino problem'' is correct.

Download or read book The Sudbury Neutrino Observatory and the Solar Neutrino Problem written by and published by . This book was released on 1993 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses experiments at the Sudbury Neutrino Observatory on solar neutrino detection.

Download or read book Sudbury Neutrino Observatory SNO written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a collection of resources on the Sudbury Neutrino Observatory (SNO), a Canadian facility built in the Creighton Mine by an international collaboration of scientists from Canada, the United States, and the United Kingdom. Notes that most of the information is for SNO collaboration scientists and some sites are restricted access. Highlights a collection of sites for the general public on SNO.

Download or read book The Sudbury Neutrino Observatory written by W. McLatchie and published by . This book was released on 1987 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Studies of the Sudbury Neutrino Observatory Detector and Sonoluminescence Using a Sonoluminescent Source written by Douglas Steven McDonald and published by . This book was released on 1999 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Solar Neutrinos Proceedings Of The 5th International Solar Neutrino Conference written by Meyer Mikko and published by World Scientific. This book was released on 2019-04-26 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2018 solar physics and neutrino research celebrated various historical highlight events. Among them were 80 years of the paper by Hans Bethe discussing solar fusion cycles as energy source of stars, the first results from the Homestake chlorine experiment celebrating 50 years as well as the discovery of neutrino oscillations 20 years ago by Super-Kamiokande. Since the last International Solar Neutrino Conference in 1997, solar neutrino detection was recognized by two Nobel Prizes, given to Raymond Davis Jr. (2002) and Arthur McDonald (2015).The present proceedings volume is based on the given talks and provides a comprehensive and detailed overview of recent developments and discoveries in the field of solar neutrino physics. Articles were written by renowned experts of their field and cover a wide range in experiments and theory from current and future solar neutrino measurements, elemental abundances, nuclear astrophysics, helioseismology, impact on general neutrino physics and more. Further contributions focus on experiments like Homestake, SAGE and GALLEX which are widely known as historic milestones in the field of solar neutrino physics.

Download or read book A Search for Periodic Neutrino Signals and Gamma Ray Burst Neutrinos with the Sudbury Neutrino Observatory written by Ka-Vang Tsang and published by . This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proposal to build a neutrino observatory in sudbury Canada written by D. Sinclair and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: