Yurii /saakovich Ravich was born in 1937 in the city of Pskov.ln 1959 he was graduated from the Physics Department of the Leningrad State University. He then joined the Institute of Semiconductors of the Academy of Sciences of the USSR, where he investigated the theory of photoelectric phenomena in semiconductors. At present, Ravich is a senior member of the scientific staff of the Institute. He is working on the band structura and carrier scattering mechanisms in semiconducting materials suitable for thermoelectric converters. Among his publications is a book on the "Photomagnetic Effect in Semiconductors and lts Applications."/a Anatol'evna Efimova was born in 1932 in Volgograd. After graduation from the Ural State University in 1954, she joined the Institute of Semiconductors. At present she is a senior member of the scientific staff of the Institute and is working on thermoelectric properties of semiconducting materials. /gor' Aleksandrovich Smirnov was born in 1932 in Leningrad. In 1955 he was graduated from the M. 1. Kalinin Leningrad Polytechnical Institute and promptly joined the Institute of Semiconductors, where he is now the head of the Laboratory for Thermal Phenomena. His major field of study is the thermal properties of solids. In 1964 Smirnov was awarded the A. F. loffe Prize for Solid State Physics. The original Russian text, published by Nauka Press in Moscow in 1968 as a pari of a series on "Physics of Semiconductors and Semiconducting Devices," has been corrected by the authors for this edition. The English translation is published under an agreement with Mezhdunarodnaya Kniga, the Soviet book export agency.

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This report presents the capabilities of the CMS experiment to explore the rich heavy-ion physics programme offered by the CERN Large Hadron Collider (LHC). The collisions of lead nuclei at energies √ s N N = 5.5 TeV, will probe quark and gluon matter at unprecedented values of energy density. The prime goal of this research is to study the fundamental theory of the strong interaction -Quantum Chromodynamics (QCD) -in extreme conditions of temperature, density and parton momentum fraction (low-x).This report covers in detail the potential of CMS to carry out a series of representative Pb-Pb measurements. These include "bulk" observables, (charged hadron multiplicity, low p T inclusive hadron identified spectra and elliptic flow) which provide information on the collective properties of the system, as well as perturbative probes such as quarkonia, heavy-quarks, jets and high p T hadrons which yield "tomographic" information of the hottest and densest phases of the reaction.

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