Ioffe B.L., Khoze V.A., Lipatov L.N. Hard Processes: Phenomenology Quark-Parton Model v.1

Elsevier Science Publishers B.V., 1984, 340 pages.Abstract
Deep inelastic (hard) processes are now at the epicenter of modern high-energy physics. These processes are governed-and this is their characteristic feature – by short-distance dynamics, which reveals the intrinsic structure of elementary particles. The theory of deep inelastic processes is now sufficiently well settled. From this point of view its systematic exposition might satisfy the criterion put forward by Landau, according to which the course of theoretical physics should not be too close to the boundary of the current theoretical understanding. Nevertheless, the number of books devoted to the subject is extremely small.
In the process of writing this book, our aim was to give an effective tool to theoreticians and experimentalists who are engaged in high-energy physics. This book is intended primarily for physicists who are only beginning to study the field, but we hope that the specialist will also find it useful.
To read the book, one should be acquainted with the Feynman diagram technique and with some particular topics from elementary particle theory (symmetries, dispersion relations, Regge pole theory, etc.). Theoretical consideration of deep inelastic processes is now based on quantum chromodynamics (QCD). At the same time, analysis of relevant physical phenomena demands a synthesis of QCD notions (quarks, gluons) with certain empirical characteristics. Therefore, the phenomenological approaches presented in volume 1 are a necessary stage in a study of this range of phenomena which should undoubtedly be followed by a detailed description based on QCD and electroweak theory. This program will be realized in volume 2, where basic aspects of gauge field theories (QCD and unified electroweak interaction theory) will be given, and where QCD calculations of hard process amplitudes (diagram approach, operator expansion method, renormalization group, etc.) will be presented. Special attention will be paid to specific manifestations of QCD in hard processes, such as increasing transverse momenta and characteristics of quark and gluon jets. The problems related to heavy quark physics and, in particular the 6-quark weak interaction scheme, are postponed until volume 2 since they are not closely related to the main topics of volume 1.
In this book, we were naturally unable to dwell on experimental data accumulated during the past decade of intensive investigations. Priority was given to results which allow a direct comparison with theoretical predictions. From the moment the manuscript was submitted, numerous new experimental results have been obtained which have not been touched upon in the book. These results, however, do not essentially affect the assertions formulated in the text. The most important news is, of course, the commencement of experiments on colliding proton-antiproton beams at 2x270 GeV at CERN, which gave rise to the discovery of the W and Z bosons, and which has enabled one to look forward to a detailed study of large-transverse-momentum physics.
We are greatly indebted to A.I. Vainshtein and A.B. Kaidalov for reading the book and for valuable remarks which enabled us to make various improvements. Thanks are also due to V.N. Gribov, M.G. Ryskin, M.I. Strikman and L.L. Frankfurt for useful discussions in the process of writing the book. We are very thankful to N.S. Libova and M.S. Marinov for their help in translating the manuscript.B.L. Ioffe
V.A. Khoze
L.N. Lipatov