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Author :
Release : 2001
Genre : Hadrons
Kind : eBook
Book Rating : 019/5 ( reviews)
Book Synopsis Transverse Spin Physics, DESY Zeuthen, July 9-11, 2001 by :
Download or read book Transverse Spin Physics, DESY Zeuthen, July 9-11, 2001 written by . This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sebastian Klein
Release : 2011-10-09
Genre : Science
Kind : eBook
Book Rating : 868/5 ( reviews)
Book Synopsis Charm Production in Deep Inelastic Scattering by : Sebastian Klein
Download or read book Charm Production in Deep Inelastic Scattering written by Sebastian Klein. This book was released on 2011-10-09. Available in PDF, EPUB and Kindle. Book excerpt: The production of heavy quarks in high-energy experiments offers a rich field to study, both experimentally and theoretically. Due to the additional quark mass, the description of these processes in the framework of perturbative QCD is much more demanding than it is for those involving only massless partons. In the last two decades, a large amount of precision data has been collected by the deep inelastic HERA experiment. In order to make full use of these data, a more precise theoretical description of charm quark production in deep inelastic scattering is needed. This work deals with the first calculation of fixed moments of the NNLO heavy flavor corrections to the proton structure function F2 in the limit of a small charm-quark mass. The correct treatment of these terms will allow not only a more precise analysis of the HERA data, but starting from there also a more precise determination of the parton distribution functions and the strong coupling constant, which is an essential input for LHC physics. The complexity of this calculation requires the application and development of technical and mathematical methods, which are also explained here in detail.
Author : Erhard Steffens
Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 650/5 ( reviews)
Book Synopsis Spin Structure of the Nucleon by : Erhard Steffens
Download or read book Spin Structure of the Nucleon written by Erhard Steffens. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive survey of the most recent results from the field of quark-gluon structure of the nucleon, in particular how the spin of the nucleon is shared by its constituents. After very intriguing results from CERN and SLAC at the end of the 1980s, the last decade has seen a set of second-generation experiments at high energy accelerators that have yielded precise information on the solution of the 'Spin Crisis' - as well as opening up new questions. The articles are written by experts from the leading collaboration and theory groups as well as providing an expert summary of the state of the art, the book points the way to future research directions. Its main focus is on semi-inclusive and exclusive measurements of deep inelastic lepton scattering, which enables for the first time the determination of the flavor-separated quark spin distributions. Future developments on generalized parton distributions and their interpretation as well as the transverse spin structure are also covered. An indispensable volume for all working in hadronic physics.
Author : Vincenzo Barone
Release : 2003-01-29
Genre : Science
Kind : eBook
Book Rating : 872/5 ( reviews)
Book Synopsis Transverse Spin Physics by : Vincenzo Barone
Download or read book Transverse Spin Physics written by Vincenzo Barone. This book was released on 2003-01-29. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the theory and phenomenology of transverse-spin effects in high-energy hadronic physics. Contrary to common past belief, it is now rather clear that such effects are far from irrelevant. A decade or so of intense theoretical work has shed much light on the subject and brought to surface an entire class of new phenomena, which now await thorough experimental investigation. Over the next few years a number of experiments world-wide (at BNL, CERN, DESY and JLAB) will run with transversely polarised beams and targets, providing data that will enrich our knowledge of the transverse-spin structure of hadrons. It is therefore timely to assess the state of the art, and this is the principal aim of the volume.An outline of the book is as follows. After a few introductory remarks (Chapter 1), attention is directed in Chapter 2 to transversely polarised deeply-inelastic scattering (DIS), which probes the transverse spin structure function g2. This existing data are reviewed and discussed (for completeness, a brief presentation of longitudinally polarised DIS is also provided). In Chapter 3 the transverse-spin structure of the proton is illustrated in detail, with emphasis on the transversity distribution and the twist-three parton distribution contributing to g2. Model calculations of these quantities are also presented. In Chapter 4, the QCD evolution of transversity is studied at leading and next-to-leading order. Chapter 5 illustrates the g2 structure function and its related sum rules within the framework of perturbative QCD. The last three chapters are devoted to the phenomenology of transversity, in the context of Drell-Yan processes (Chapter 6), inclusive leptoproduction (Chapter 7) and inclusive hadroproduction (Chapter 8). The interpretation of some recent single-spin asymmetry data is discussed and the prospects for future measurements are reviewed.
Author : Johannes Blümlein
Release : 1995
Genre : Nuclear spin
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Prospects on Spin Physics at HERA by : Johannes Blümlein
Download or read book Prospects on Spin Physics at HERA written by Johannes Blümlein. This book was released on 1995. Available in PDF, EPUB and Kindle. Book excerpt:
