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Massive Neutrinos in Physics and Astrophysics
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Preface to the third edition The field of neutrino mass physics underwent a revolutionary change in June 1998 when at the Neutrino'98 conference in Takayama, Japan, the Super-Kamiokande collaboration announced the discovery of oscillations of the cosmic ray neutrinos as they traveled from the Earth's atmosphere to detectors in the Kamioka mine. Indications of such oscillations in earlier experiments involving the neutrinos from the Sun and the atmosphere suddenly took a new life and quickly got confirmed. The attention focused on the solar neutrinos and various experiments, culminating in the beautiful results from the SNO experiment, have now given a pretty clear picture of the nature of oscillations of the neutrinos emanating from the Sun. During 2002, results from the Kamland and the K2K experiments provided further confirmation of the oscillation phenomena using controlled source experiments. Thanks to all these beautiful experiments as well as the untiring efforts of many experimentalists, neutrino mass has moved from being a matter of faith to a stark reality for the explorers of the undersea world of forces and particles in the Universe. The first definitive sign of physics beyond the standard model has finally appeared. This is a revolution that calls for a celebration! The second edition of this book had just appeared in print in April 1998, and it was clear to us within a year that a third edition was essential to capture the excitement of the field; however, developments in the field were taking place so rapidly that it was prudent to wait for matters to "settle" a bit. We believe right now is such a time, which is not to say that we have learnt everything about neutrino masses — a lot still remains to be discovered e.g. Are neutrinos their own anti- particles? How are their masses arranged relative to each other? Are there sterile neutrinos? These are issues which will take at least five years or more to be decided. So it appears to be a good time to summarize the developments that have changed the field so much. With this in mind, we have rearranged many chapters in the book, added new ones, updated the rest. We have surely missed many important contributions — our only excuse being that we have tried hard to keep the contents as for a book rather than a compilation of latest references in the field. This has meant that we had to be more pedagogical in many places, left out details that are too technical and had to be selective about topics. Hopefully, the usefulness of the book to young entering students as well as to advanced researchers has not been compromised in the process. We are extremely grateful to many colleagues and collaborators who have continuously shared their insight and experiences, and others who have continuously encouraged and inspired us directly and indirectly in our neutrino efforts. This is a long list that in addition to the people already acknowledged in earlier edition, should include E. Akhme- dov, J. Bahcall, A. Bandyopadhayay, Z. Berezhiani, G. Bhattacharyya, S. Bilenky, B. Brahmachari, S. Choubey, J. Goodman, K. Kar, ?. ?. Parida, G. Rajasekaran, G. Sullivan. One of the authors (RNM) is grateful to the National Science Foundation of the United States of America for support during the period of preparation of the third edition of the book. Rabindra N. Mohapatra Palash B. Pal October 2003 Download link：http://www.isload.com.cn/store/qout5y8vk0th7 [ Last edited by zhq025 on 2008-1-16 at 11:07 ] |
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