Signatures Of Dark Matter PDF Download
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Author | : Delbert R. Fite |
Publisher | : Wajid Publishers |
Total Pages | : 0 |
Release | : 2023-08-27 |
Genre | : Science |
ISBN | : 9789795262176 |
Download Gravitational Signatures of Wave Dark Matter Book in PDF, ePub and Kindle
Over the course of almost a century, the evidence for the existence of dark matter (DM) has continued to grow. This evidence is supported by observations at various astronomical scales, ranging from galaxy-sized systems [1-3] to cluster [4-8] and cosmological scales [9,10]. Alternative theories to dark matter, such as modified gravity theories [11,12], have been proposed and studied, but they fail to explain all astronomical observations without invoking dark matter
Author | : Edward Anthony Baltz |
Publisher | : |
Total Pages | : 490 |
Release | : 2000 |
Genre | : |
ISBN | : |
Download Signatures of Dark Matter Book in PDF, ePub and Kindle
Author | : Tracy Robin Slatyer |
Publisher | : |
Total Pages | : 260 |
Release | : 2010 |
Genre | : Dark matter (Astronomy) |
ISBN | : |
Download Signatures of a New Force in the Dark Matter Sector Book in PDF, ePub and Kindle
Author | : Alessandro Lenoci |
Publisher | : |
Total Pages | : 0 |
Release | : 2023 |
Genre | : |
ISBN | : |
Download Gravitational Signatures of Wave Dark Matter Book in PDF, ePub and Kindle
Author | : Yue-Lin Sming Tsai |
Publisher | : |
Total Pages | : 0 |
Release | : 2011 |
Genre | : |
ISBN | : |
Download Observational Signatures of Supersymmetric Dark Matter Book in PDF, ePub and Kindle
Author | : Le Zhang |
Publisher | : |
Total Pages | : 0 |
Release | : 2009 |
Genre | : |
ISBN | : |
Download Galactic Signatures of Decaying Dark Matter Book in PDF, ePub and Kindle
Author | : Kathryn M. Zurek |
Publisher | : |
Total Pages | : 32 |
Release | : 2014 |
Genre | : |
ISBN | : |
Download Asymmetric Dark Matter Book in PDF, ePub and Kindle
Author | : Arjun Sharma |
Publisher | : |
Total Pages | : 44 |
Release | : 2018 |
Genre | : |
ISBN | : 9780438370142 |
Download Placing Limits on Experimental Signatures of Dark Matter Model Predictions Book in PDF, ePub and Kindle
In this work, we consider two different models of dark matter and set limits on results of experiments. One is a dynamic dark matter scenario where we put limits on parameters observable by experiments DAMA and XMASS through nuclear recoil of detector atoms (direct detection). The second is a case of dark matter annihilation into positrons and electrons and the signal this would produce on measured values of positron flux and ratio of electron to positron (indirect detection). The values of these quantities as measured by FERMI and PAMELA experiments are observed and an explanation using a dark matter annihilation is presented vs astrophysical sources of particles.
Author | : Masato Shirasaki |
Publisher | : Springer |
Total Pages | : 144 |
Release | : 2015-11-18 |
Genre | : Science |
ISBN | : 9812877967 |
Download Probing Cosmic Dark Matter and Dark Energy with Weak Gravitational Lensing Statistics Book in PDF, ePub and Kindle
In this book the applicability and the utility of two statistical approaches for understanding dark energy and dark matter with gravitational lensing measurement are introduced. For cosmological constraints on the nature of dark energy, morphological statistics called Minkowski functionals (MFs) to extract the non-Gaussian information of gravitational lensing are studied. Measuring lensing MFs from the Canada–France–Hawaii Telescope Lensing survey (CFHTLenS), the author clearly shows that MFs can be powerful statistics beyond the conventional approach with the two-point correlation function. Combined with the two-point correlation function, MFs can constrain the equation of state of dark energy with a precision level of approximately 3–4 % in upcoming surveys with sky coverage of 20,000 square degrees. On the topic of dark matter, the author studied the cross-correlation of gravitational lensing and the extragalactic gamma-ray background (EGB). Dark matter annihilation is among the potential contributors to the EGB. The cross-correlation is a powerful probe of signatures of dark matter annihilation, because both cosmic shear and gamma-ray emission originate directly from the same dark matter distribution in the universe. The first measurement of the cross-correlation using a real data set obtained from CFHTLenS and the Fermi Large Area Telescope was performed. Comparing the result with theoretical predictions, an independent constraint was placed on dark matter annihilation. Future lensing surveys will be useful to constrain on the canonical value of annihilation cross section for a wide range of mass of dark matter annihilation. Future lensing surveys will be useful to constrain on the canonical value of annihilation cross section for a wide range of mass of dark matter.
Author | : Ken Freeman |
Publisher | : Springer Science & Business Media |
Total Pages | : 164 |
Release | : 2006-08-25 |
Genre | : Science |
ISBN | : 0387276181 |
Download In Search of Dark Matter Book in PDF, ePub and Kindle
Written for the educated non-scientist and scientist alike, it spans a variety of scientific disciplines, from observational astronomy to particle physics. Concepts that the reader will encounter along the way are at the cutting edge of scientific research. However the themes are explained in such a way that no prior understanding of science beyond a high school education is necessary.