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Author: Kamata Koichi Publisher: ISBN: Category : Languages : en Pages : 58
Book Description
The Bolivian Air Shower Joint Experiment (BASJE) is a cooperative effort of Japanese, Bolivian and U.S. physicists to study the phenomena of cosmic ray air showers under half an atmosphere. The experiment is set up on Mt. Chacaltaya near La Paz, Bolivia at an altitude of 17,600 feet above sea level. The prime motivation for the experiment has been that air showers generated by primary gamma rays (as opposed to ordinary showers generated by protons or heavier nuclei) could be detected and identified by pecularities in the features of the showers observed. The air shower array was designed for this purpose and features a large (60 m2) shielded detector and an accurate means of determining the arrival direction of the showers. This report covers the period September 1, 1966--August 31, 1968. The document includes a status report on the gamma ray search. It also includes summaries of two other efforts which have been of recent interest to the collaborators of the experiment.
Author: Kamata Koichi Publisher: ISBN: Category : Languages : en Pages : 58
Book Description
The Bolivian Air Shower Joint Experiment (BASJE) is a cooperative effort of Japanese, Bolivian and U.S. physicists to study the phenomena of cosmic ray air showers under half an atmosphere. The experiment is set up on Mt. Chacaltaya near La Paz, Bolivia at an altitude of 17,600 feet above sea level. The prime motivation for the experiment has been that air showers generated by primary gamma rays (as opposed to ordinary showers generated by protons or heavier nuclei) could be detected and identified by pecularities in the features of the showers observed. The air shower array was designed for this purpose and features a large (60 m2) shielded detector and an accurate means of determining the arrival direction of the showers. This report covers the period September 1, 1966--August 31, 1968. The document includes a status report on the gamma ray search. It also includes summaries of two other efforts which have been of recent interest to the collaborators of the experiment.
Author: Mangu V S Rao Publisher: World Scientific ISBN: 9814498092 Category : Science Languages : en Pages : 369
Book Description
Ultrahigh energy cosmic rays carry information about their sources and the intervening medium apart from providing a beam of particles for studying certain features of high energy interactions currently inaccessible at man-made accelerators. They can at present be studied only via the extensive air showers (EAS's) they generate while passing through the Earth's atmosphere, since their fluxes are too low for the experiments of limited capability flown in balloons and satellites. The EAS is generated by a series of interactions of the primary cosmic ray and its progeny with the atmospheric nuclei. The exponential nature of the atmosphere spreads the air showers laterally over several hundreds of meters, thus enabling ground-based arrays of relatively inexpensive detectors to record and study them.This book describes the EAS phenomenology, the detectors and techniques used, and the latest results on the energy spectrum and composition of the primaries of EAS's and the results on high energy interactions obtained from EAS studies. It also describes the new TeV and PeV gamma ray astronomy (which has been developing over the past decade) and the newly emerging neutrino astronomy, which are related to the origin of cosmic rays.This book serves as an introduction as well as a reference for researchers in the field.
Author: Yataro Sekido Publisher: Springer Science & Business Media ISBN: 9400954344 Category : Science Languages : en Pages : 432
Book Description
On the occasion of the International Conference on Cosmic Rays held in Kyoto in August 1979 five aged members of the cosmic ray fraternity, H. Elliot, V. L. Ginzburg, B. Peters, Y. Sekido, and J. A. Simpson met together as a dinner party devoted to the enjoyment of Japanese cuisine and reminiscences of our younger days. This pleasant occasion called to of our own age as well as some eminent seniors not present at the mind the many friends conference whose recollections would have further enriched and enlivened our evening. By the time the dinner came to an end we had agreed that the compilation of a more extensive collection of personal reminiscences would be an interesting and worthwhile undertaking. Accordingly, the next day we held an editorial meeting to draw up a list of potential authors and two of us, the present editors, started work on the project. In putting the book together our intention has been to try to capture and record through these personal accounts something of the atmosphere, the excitement and the frustrations of research in cosmic rays as experienced at first hand by some of the practi tioners in the field. It has never been our intention that it should comprise a systematic history of the subject. Neither, unfortunately, can it be a fully representative collection since practical limits to the size of the volume alone would preclude that.
Author: Kamata Koichi
Author: Kamata Koichi
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Author: Mangu V S Rao
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Author: Yataro Sekido