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Apex An Experiment To Study Correlated Positron Electron Production In Heavy Ion Collisions
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Book Synopsis APEX: An Experiment to Study Correlated Positron-electron Production in Heavy Ion Collisions by : Nicholas Ioannis Koloskamis
Download or read book APEX: An Experiment to Study Correlated Positron-electron Production in Heavy Ion Collisions written by Nicholas Ioannis Koloskamis and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Horizons in Fundamental Physics by : Stefan Schramm
Download or read book New Horizons in Fundamental Physics written by Stefan Schramm and published by Springer. This book was released on 2016-11-11 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the state-of-the-art in selected topics across modern nuclear physics, covering fields of central importance to research and illustrating their connection to many different areas of physics. It describes recent progress in the study of superheavy and exotic nuclei, which is pushing our knowledge to ever heavier elements and neutron-richer isotopes. Extending nuclear physics to systems that are many times denser than even the core of an atomic nucleus, one enters the realm of the physics of neutron stars and possibly quark stars, a topic that is intensively investigated with many ground-based and outer-space research missions as well as numerous theoretical works. By colliding two nuclei at very high ultra-relativistic energies one can create a fireball of extremely hot matter, reminiscent of the universe very shortly after the big bang, leading to a phase of melted hadrons and free quarks and gluons, the so-called quark-gluon plasma. These studies tie up with effects of crucial importance in other fields. During the collision of heavy ions, electric fields of extreme strength are produced, potentially destabilizing the vacuum of the atomic physics system, subsequently leading to the decay of the vacuum state and the emission of positrons. In neutron stars the ultra-dense matter might support extremely high magnetic fields, far beyond anything that can be produced in the laboratory, significantly affecting the stellar properties. At very high densities general relativity predicts the stellar collapse to a black hole. However, a number of current theoretical activities, modifying Einstein’s theory, point to possible alternative scenarios, where this collapse might be avoided. These and related topics are addressed in this book in a series of highly readable chapters. In addition, the book includes fundamental analyses of the practicalities involved in transiting to an electricity supply mainly based on renewable energies, investigating this scenario less from an engineering and more from a physics point of view. While the topics comprise a large scope of activities, the contributions also show an extensive overlap in the methodology and in the analytical and numerical tools involved in tackling these diverse research fields that are the forefront of modern science.
Book Synopsis A New Look at Positron Production from Heavy-ion Collisions by :
Download or read book A New Look at Positron Production from Heavy-ion Collisions written by and published by . This book was released on 1995 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new solenoidal spectrometer, designed to study the production mechanism of electrons and positrons in heavy-ion collisions, has been constructed at Argonne National Laboratory. The spectrometer has been used to study the 238U + 181Ta system at 5.95, 6.10, and 6.30 MeV/u and the 238U + 232Th system at 5.95 MeV/u. These bombarding energies cover the energy region where previous experiments have reported sharp sum-energy lines. No evidence is found for sharp peaks in the present data. For the specific case of the isolated decay of a neutral particle of mass 1.4--2.1 MeV/c2 the upper limits on cross sections obtained from the present data are significantly less than the previously reported cross sections.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1998 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :2172 pages Book Rating :4.:/5 (46 download)
Book Synopsis Energy and Water Development Appropriations for 1992: Department of Energy FY 1992 budget justifications by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1992: Department of Energy FY 1992 budget justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1991 with total page 2172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :2160 pages Book Rating :4.:/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 1992: Department of Energy FY 1991 budget justifications by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1992: Department of Energy FY 1991 budget justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1991 with total page 2160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :2180 pages Book Rating :4.F/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 1992 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1992 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1991 with total page 2180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1997 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :1850 pages Book Rating :4.:/5 ( download)
Book Synopsis Energy and water development appropriations for 1991 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and water development appropriations for 1991 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1990 with total page 1850 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The ATLAS Positron Experiment -- APEX. by :
Download or read book The ATLAS Positron Experiment -- APEX. written by and published by . This book was released on 1994 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: APEX -- the ATLAS Positron Experiment -- is designed to measure electrons and positrons emitted in heavy-ion collisions. Its scientific goal is to gain insight into the puzzling positron-line phenomena observed at the GSI Darmstadt. It is in operation at the ATLAS accelerator at Argonne National Lab. The assembly of the apparatus is finished and beginning 1993 the first positrons produced in heavy-ion collisions were observed. The first full scale experiment was carried out in December 1993, and the data are currently being analyzed. In this paper, the principles of operation are explained and a status report on the experiment is given.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :1846 pages Book Rating :4.F/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 1993 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1993 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1992 with total page 1846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :2038 pages Book Rating :4.0/5 (18 download)
Book Synopsis Energy and Water Development Appropriations for 1994: Department of Energy FY 1994 budget justifications by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1994: Department of Energy FY 1994 budget justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1993 with total page 2038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :2048 pages Book Rating :4.F/5 ( download)
Book Synopsis Energy and Water Development Appropriations for 1994 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1994 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1993 with total page 2048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Correlated Electron-positron Emission in Heavy-ion Collisions by : Gesellschaft für Schwerionenforschung
Download or read book Correlated Electron-positron Emission in Heavy-ion Collisions written by Gesellschaft für Schwerionenforschung and published by . This book was released on 1989 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Positron Peak Puzzle - Recent Results from APEX. by :
Download or read book The Positron Peak Puzzle - Recent Results from APEX. written by and published by . This book was released on 1995 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented from a new experiment, APEX, designed to study the previously reported sharp lines in sum-energy spectra of positrons and electrons produced in collisions of very heavy ions. Data have been collected for 238U+181Ta and 238U+232Th. No evidence is found for narrow structures similar to those previously reported. For the specific case of the isolated decay of a neutral particle of mass 1.4-2.1 MeV/c2, the upper limits on cross sections obtained are significantly less than previously reported. Data are also presented for internal pair conversion in 2°6Pb. These results are used to set limits for the possible contribution to the pair yield of a 1780 keV transition in 238U observed in heavy-ion gamma-ray coincidence measurements.
Book Synopsis Electron-positron Pair Production in Ultrarelativistic Heavy Ion Collisions by : Gerhard Baur
Download or read book Electron-positron Pair Production in Ultrarelativistic Heavy Ion Collisions written by Gerhard Baur and published by . This book was released on 2007 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1991 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: