A Search for Ultra-High Energy Neutrinos and Cosmic-Rays by Matthew Joseph Mottram PDF

By Matthew Joseph Mottram

ISBN-10: 3642300316

ISBN-13: 9783642300318

ISBN-10: 3642300324

ISBN-13: 9783642300325

The winner of UCL's annual HEP thesis prize, this paintings describes an research of the information from the second one flight of the Antarctica Impulsive brief Antenna (ANITA). ANITA is a balloon-borne scan that searches for radio signs originating from ultra-high strength neutrinos and cosmic rays interacting with the Antarctic ice or air. the quest for ultrahigh power neutrinos of astrophysical beginning is without doubt one of the impressive experimental demanding situations of the twenty first century. The ANITA test was once designed to be the main delicate device to ultra-high power neutrinos that originate from the interactions of cosmic rays with the cosmic microwave history. The technique and result of the neutrino and cosmic ray searches are provided within the thesis.

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Rev. Astron. Astrophys. 22, 425 (1984) 14. K. V. Olinto, Ann. Rev. Astron. Astrophys. 49, 119 (2011) 15. M. , Astropart. Phys. 19, 447 (2003), [astro-ph/0209422] 16. V. Berezinsky, M. Kachelrieß, A. Vilenkin, Phys. Rev. Lett. 79, 4302 (1997) 17. V. Berezinsky, A. Vilenkin, Phys. Rev. Lett. 79, 5202 (1997) 18. The Pierre Auger Collaboration, J. , Phys. Lett. 1975] 19. U. , Phys. Rev. Lett. 100, 101101 (2008) 20. D. W. Wolfendale, J. Phys. G31, 1475 (2005), [astro-ph/0510016] References 27 21. E.

23. 5 for a similar test setup [2]. The effect of removing each ring of antennas from contributing to a trigger was investigated, results are shown in Fig. 21. It was found that masking the upper and lower rings of antennas was more detrimental to triggering efficiency than masking the nadir ring of antennas. However, even with entire rings of antennas inactive, the payload remained sensitive to signals with SNR values <4. This hardware efficiency must be taken with consideration of the fact that the frequency content of the pulser may differ from that of an Askaryan signal.

References 1. S. Barwick, D. Besson, P. Gorham, D. Saltzberg, J. Glaciol. 51, 231 (2005) 2. The ANITA Collaboration, P. , Astropart. Phys. 1920] References 53 3. W. , Phys. Rev. Lett. 2715] 4. The ANITA Collaboration, S. , Phys. Rev. Lett. 0035] 5. S. Hoover, in A Search for Ultrahigh-Energy Neutrinos and Measurement of Cosmic Ray Radio Emission with the Antarctic Impulsive Transient Antenna, PhD thesis, (University of California, Los Angeles, 2010) 6. W. , Phys. Rev. 2961] 7. A. Vieregg, in The Search for Astrophysical Ultra-High Energy Neutrinos Using Radio Detection Techniques, PhD thesis, (University of California, Los Angeles, 2010) 8.

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A Search for Ultra-High Energy Neutrinos and Cosmic-Rays with ANITA-2 by Matthew Joseph Mottram

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