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The Pierre Auger Observatory Scaler Mode For The Study Of Solar Activity Modulation Of Galactic Cosmic Rays
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Book Synopsis The Pierre Auger Observatory Scaler Mode for the Study of Solar Activity Modulation of Galactic Cosmic Rays by :
Download or read book The Pierre Auger Observatory Scaler Mode for the Study of Solar Activity Modulation of Galactic Cosmic Rays written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Since data-taking began in January 2004, the Pierre Auger Observatory has been recording the count rates of low energy secondary cosmic ray particles for the self-calibration of the ground detectors of its surface detector array. After correcting for atmospheric effects, modulations of galactic cosmic rays due to solar activity and transient events are observed. Temporal variations related with the activity of the heliosphere can be determined with high accuracy due to the high total count rates. In this study, the available data are presented together with an analysis focused on the observation of Forbush decreases, where a strong correlation with neutron monitor data is found.
Book Synopsis Proceedings: Modulation by : Ranjan Roy Daniel
Download or read book Proceedings: Modulation written by Ranjan Roy Daniel and published by . This book was released on 1964 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Patterns by Combining Cosmic-ray Energy and Arrival Directions at the Pierre Auger Observatory by :
Download or read book Search for Patterns by Combining Cosmic-ray Energy and Arrival Directions at the Pierre Auger Observatory written by and published by . This book was released on 2015 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy-dependent patterns in the arrival directions of cosmic rays are searched for using data of the Pierre Auger Observatory. We investigate local regions around the highest-energy cosmic rays with $E \ge 6 \times 10^$ eV by analyzing cosmic rays with energies above $E \ge 5 \times 10^$ eV arriving within an angular separation of approximately 15$^{\circ }$ . We characterize the energy distributions inside these regions by two independent methods, one searching for angular dependence of energy-energy correlations and one searching for collimation of energy along the local system of principal axes of the energy distribution. No significant patterns are found with this analysis. The comparison of these measurements with astrophysical scenarios can therefore be used to obtain constraints on related model parameters such as strength of cosmic-ray deflection and density of point sources.
Book Synopsis High Energy Cosmic Rays by : Todor Stanev
Download or read book High Energy Cosmic Rays written by Todor Stanev and published by Springer Science & Business Media. This book was released on 2010-03-10 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers an accessible text and reference (a cosmic-ray manual) for graduate students entering the field and high-energy astrophysicists will find this an accessible cosmic-ray manual Easy to read for the general astronomer, the first part describes the standard model of cosmic rays based on our understanding of modern particle physics. Presents the acceleration scenario in some detail in supernovae explosions as well as in the passage of cosmic rays through the Galaxy. Compares experimental data in the atmosphere as well as underground are compared with theoretical models
Book Synopsis Study of the Cosmic Ray Composition Sensitivity of AugerPrime - Probing the Prospects of the Upgrade to the Pierre Auger Observatory with a Deep Learning Approach by : Sonja Mayotte
Download or read book Study of the Cosmic Ray Composition Sensitivity of AugerPrime - Probing the Prospects of the Upgrade to the Pierre Auger Observatory with a Deep Learning Approach written by Sonja Mayotte and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dark Observation by : Catherine Cavendish
Download or read book Dark Observation written by Catherine Cavendish and published by Simon and Schuster. This book was released on 2022-09-13 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: With dark secrets underground and hints of the occult, this is a must for readers of Adam Nevill and Susan Hill. "[...]if there is a crown of queen of gothic horror, [Catherine Cavendish] should be wearing it." — Modern Horrors Eligos is waiting…fulfil your destiny 1941. In the dark days of war-torn London, Violet works in Churchill's subterranean top secret Cabinet War Rooms, where key decisions that will dictate Britain’s conduct of the war are made. Above, the people of London go about their daily business as best they can, unaware of the life that teems beneath their feet. Night after night the bombs rain down, yet Violet has far more to fear than air raids. A mysterious man, a room only she can see, memories she can no longer trust, and a best friend who denies their shared past... Something or someone - is targeting her. FLAME TREE PRESS is the imprint of long-standing Independent Flame Tree Publishing, dedicated to full-length original fiction in the horror and suspense, science fiction & fantasy, and crime / mystery / thriller categories. The list brings together fantastic new authors and the more established; the award winners, and exciting, original voices. Learn more about Flame Tree Press at www.flametreepress.com and connect on social media @FlameTreePress.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722817824 Total Pages :46 pages Book Rating :4.8/5 (178 download)
Book Synopsis Studies Using Imp, Voyager and Pioneer Cosmic Ray Data to Determine the Size of the Heliosphere by : National Aeronautics and Space Administration (NASA)
Download or read book Studies Using Imp, Voyager and Pioneer Cosmic Ray Data to Determine the Size of the Heliosphere written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-11 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this project was to use the cosmic ray data from the IMP, Voyager and Pioneer spacecraft in the heliosphere out to approximately 65 AU to estimate the size of the heliosphere. We used several techniques to develop a consistent picture of the size of the heliosphere. The first method used a response function approach which determined the intensity as a function of time by scaling the modulation effect as they move outward and eventually reach the boundary of the heliosphere. In this model the effects of transient cosmic ray disturbances is included. A second approach using the perturbation method in which drifts are considered as a perturbation to the standard diffusion-convection modulation models was not fully developed. In a third approach the location of the modulation boundary beyond the termination shock was estimated using observations of the intensity and radial gradients between Voyager 2 and Pioneer 10 along with new estimates of the interstellar intensity of more than 70 MeV galactic cosmic rays. Using this method we found that for 7 years, from 1983 to 1990, the modulation boundary remained constant at 83 +/- 5 AU. We infer from these studies that a modulation boundary can be estimated only by extrapolating the observed radial gradients when the solar magnetic field polarity is such that cosmic-ray particles are drifting in the heliosphere inward toward the Earth along the neutral sheet. The boundary distance is larger than the estimates of the location of the termination shock at 67 +/- 5 AU using the same method. Two other studies partially supported by this grant are attached. The first deals with the recovery period of the greater than 70 MeV cosmic rays in the outer heliosphere from 1992-1995. In the second paper we compare the rigidity dependence of the 11-year cosmic ray variation at the Earth in two cycles of opposite solar magnetic field polarity. Lockwood, John A. (Principal Investigator) Unspecified Center NAGW-3454...
Book Synopsis A Recommended Procedure for Estimating the Cosmic-Ray Spectral Parameter of a Simple Power Law With Applications to Detector Design by : L. W. Howell
Download or read book A Recommended Procedure for Estimating the Cosmic-Ray Spectral Parameter of a Simple Power Law With Applications to Detector Design written by L. W. Howell and published by . This book was released on 2001 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Fragmentation Parameter Variations on Estimates of Galactic Cosmic Ray Exposure: Dose Sensitivity Studies for Aluminum Shields by :
Download or read book Effects of Fragmentation Parameter Variations on Estimates of Galactic Cosmic Ray Exposure: Dose Sensitivity Studies for Aluminum Shields written by and published by . This book was released on 1992 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cosmic Rays at Ground Level, by : George Dixon Rochester
Download or read book Cosmic Rays at Ground Level, written by George Dixon Rochester and published by CRC Press. This book was released on 1973-09 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Galactic Cosmic Ray Exposure Estimates for SAGE-3 Mission in Polar Orbit by :
Download or read book Galactic Cosmic Ray Exposure Estimates for SAGE-3 Mission in Polar Orbit written by and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimating Cosmic-Ray Spectral Parameters from Simulated Detector Responses with Detector Design Implications by : L. W. Howell
Download or read book Estimating Cosmic-Ray Spectral Parameters from Simulated Detector Responses with Detector Design Implications written by L. W. Howell and published by . This book was released on 2001 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Advanced Composition Explorer Mission by : Christopher Russell
Download or read book The Advanced Composition Explorer Mission written by Christopher Russell and published by Springer. This book was released on 2012-11-14 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA's Advanced Composition Explorer (ACE) was launched on August 25, 1997, carrying six high-resolution spectrometers that measure the abundances of the elements, isotopes, and ionic charge states of energetic nuclei in space. Data from these instruments is being used to measure and compare the composition of the solar corona, the nearby interstellar medium, and cosmic-ray sources in the Galaxy, and to study particle acceleration processes in a variety of environments. ACE also includes three instruments that monitor solar wind and energetic particle activity near the inner Lagrangian point, "1.5 million kilometers sunward of Earth, and provide continuous, real-time data to NOAA for use in forecasting space weather. Eleven of the articles in this volume review scientific progress and outline questions that ACE will address in solar, space-plasma, and cosmic-ray physics. Other articles describe the ACE spacecraft, the real-time solar-wind system, and the instruments used to measure energetic particle composition.
Book Synopsis Handbook of the Solar-Terrestrial Environment by : Yohsuke Kamide
Download or read book Handbook of the Solar-Terrestrial Environment written by Yohsuke Kamide and published by Springer Science & Business Media. This book was released on 2007-08-17 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a star in the universe, the Sun is constantly releas- cover a wide range of time and spatial scales, making ?? ing energy into space, as much as ?. ? ?? erg/s. Tis observations in the solar-terrestrial environment c- energy emission basically consists of three modes. Te plicated and the understanding of processes di?cult. ?rst mode of solar energy is the so-called blackbody ra- In the early days, the phenomena in each plasma diation, commonly known as sunlight, and the second region were studied separately, but with the progress mode of solar electromagnetic emission, such as X rays of research, we realized the importance of treating and UV radiation, is mostly absorbed above the Earth’s the whole chain of processes as an entity because of stratosphere. Te third mode of solar energy emission is strong interactions between various regions within in the form of particles having a wide range of energies the solar-terrestrial system. On the basis of extensive from less than ? keV to more than ? GeV. It is convenient satellite observations and computer simulations over to group these particles into lower-energy particles and thepasttwo decades, it hasbecomepossibleto analyze higher-energy particles, which are referred to as the so- speci?cally the close coupling of di?erent regions in the lar wind and solar cosmic rays, respectively. solar-terrestrial environment.
Book Synopsis Solar Cosmic Rays by : L.I. Miroshnichenko
Download or read book Solar Cosmic Rays written by L.I. Miroshnichenko and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: It turned out to be really a rare and happy occasion that we know exact1y when and how a new branch of space physics was born, namely, a physics of solar cosmic rays. It happened on February 28 and March 7, 1942 when the fIrst "cosmic ray bursts" were recorded on the Earth, and the Sun was unambiguously identifIed for the fIrst time as the source of high-velocity 10 particles with energies up to > 10 eV. Just due to such a high energy these relativistic particles have been called "solar cosmic rays" (SCR), in distinction from the "true" cosmic rays of galactic origin. Between 1942 and the beginning ofthe space era in 1957 only extremely high energy solar particle events could be occasionally recorded by cosmic ray ground-Ievel detectors and balloon borne sensors. Since then the detection techniques varied considerably and the study of SCR turned into essential part of solar and solar-terrestrial physics.
Book Synopsis Planets, Stars and Stellar Systems by : Gerard Gilmore
Download or read book Planets, Stars and Stellar Systems written by Gerard Gilmore and published by Springer. This book was released on 2013-02-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is volume 5 of Planets, Stars and Stellar Systems, a six-volume compendium of modern astronomical research, covering subjects of key interest to the main fields of contemporary astronomy. This volume on “Galactic Structure and Stellar Populations”, edited by Gerard F. Gilmore, presents accessible review chapters on Stellar Populations, Chemical Abundances as Population Tracers, Metal-Poor Stars and the Chemical Enrichment of the Universe, The Stellar and Sub-Stellar Initial Mass Function of Simple and Composite Populations, The Galactic Nucleus, The Galactic Bulge, Open Clusters and Their Role in the Galaxy, Star Counts and the Nature of Galactic Thick Disk, The Infrared Galaxy, Interstellar PAHs and Dust, Galactic Neutral Hydrogen, High-Velocity Clouds, Magnetic Fields in Galaxies, Astrophysics of Galactic Charged Cosmic Rays, Gamma-Ray Emission of Supernova Remnants and the Origin of Galactic Cosmic Rays, Galactic Distance Scales, Globular Cluster Dynamical Evolution, Dynamics of Disks and Warps, Mass Distribution and Rotation Curve in the Galaxy, Dark Matter in the Galactic Dwarf Spheroidal Satellites, and History of Dark Matter in Galaxies. All chapters of the handbook were written by practicing professionals. They include sufficient background material and references to the current literature to allow readers to learn enough about a specialty within astronomy, astrophysics and cosmology to get started on their own practical research projects. In the spirit of the series Stars and Stellar Systems published by Chicago University Press in the 1960s and 1970s, each chapter of Planets, Stars and Stellar Systems can stand on its own as a fundamental review of its respective sub-discipline, and each volume can be used as a textbook or recommended reference work for advanced undergraduate or postgraduate courses. Advanced students and professional astronomers in their roles as both lecturers and researchers will welcome Planets, Stars and Stellar Systems as a comprehensive and pedagogical reference work on astronomy, astrophysics and cosmology.
Book Synopsis Particle Physics Reference Library by : Stephen Myers
Download or read book Particle Physics Reference Library written by Stephen Myers and published by Springer Nature. This book was released on 2020-01-01 with total page 867 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third open access volume of the handbook series deals with accelerator physics, design, technology and operations, as well as with beam optics, dynamics and diagnostics. A joint CERN-Springer initiative, the "Particle Physics Reference Library" provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A,B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access.
