Electron deuteron scattering with HERA, a letter of intent for an experimental programme with the H1 detector

Theodoros Alexopoulos,A. Lebedev,V. Dodonov,A. Uraev,J. Zacek,J.B. Dainton,M Kapishin,U. Mjörnmark,H.-U. Martyn,G. Medin,A. Glazov,Leif J. Jonsson,A. Kiselev,W Melnitchouk,P. Di Nezza,E. De Sanctis,A. Eliseev,J Stewart,Yu. Naryshkin,I. Tsakov,B Olivier,Y. Tsipolitis,E. Malinovsky,S. Belostotsky,M. Vogt,J.G. Contreras,L. Gorbov,E. Kabuss,K. Lipka,V. Spaskov,P. Dalpiaz,Andriy Nikiforov,E. Aschenauer,J.C. Peng,E.M. Lobodzinska,I. Herynek,P. A. Smirnov,R. Gerhards,G. Ciullo,Hannes Jung,V. Efremenko,Gosta Gustafson,J. Martyniak,Eram Rizvi,Tobias M. Haas,P. Van Mechelen,V. Muccifora,M. Dris,T. Laštovička,V. Vikhrov,I. Shevyakov,J. Turnau,V. Guzey,G. D. Patel,Nataša Raičević,S. V. Rusakov,J. Gayler,K. H. Hiller,A. Bunyatyan,J. Zálešák,Frank-Peter Schilling,A. Kropivnitskaya,V. Volchinsky,K. Daum,O.G. Grebenyuk,R. Roosen,Leif Lonnblad,R. López Fernandez,U. Stosslein,V. Shekelian,V. Nagovitsyn,M. Jacquet,V. Schröder,S. E. Kuhn,Y. Kiryushin,N. Makins,M. Contalbrigo,N. Loktionova,L Lytkin,A. Jgoun,Jozef Ferencei,Alexey Zhelezov,Rainer Wallny,A. Fomenko,D. Pitzl,I. R. Kenyon,V. Cholakov,A. Zhokin,Anton Babaev,A Mehta,A. Hovhannisyan,P. Baranov,J.P. Meyer,S Levonian,A. Valkarova,Michael Tytgat,Pavel Murín,K. Rith,E. A. De Wolf,T. Greenshaw,J. Haller,B. Stella,P. Kostka,L. Hajduk,S. Backovic,E. Tzamariudaki,A. Knutsson,P. E. Reimer,W.-D. Nowak,E. Kinney,Gunnar Ingelman,Martin Karlsson,V Lubimov,S. Mishin,S. Ghazarian,A.S. Belousov,G. Nowak,D Traynor,S. Esenov,J. E. Olsson,D Ozerov,S. Gorbunov,Y. Vazdik,S. Kalburov,A. N. Morozov,D.P. Barber,L.N. Shtarkov,V. Soskov,L. Goerlich,V. Lendermann,A. Fantoni,P D Thompson,A Rostovtsev,D. Bruncko,W. J. Haynes,A Fedotov,I. Sanjiev,Yu. Solovev,B. Lundberg,N. Gogitidze,L. Bystritskaya,Z. H. Zhang,D. A. Milstead,Graham Thompson,S. Mikocki,P. Lenisa,D.K. Nikitin,M. Danilov,V. Kekelidze,F. Zomer,G. Gavrilov,I. Tsurin,T Naumann,C. Pascaud,Paul Newman,V. P. Andreev,B.-Q. Ma,W. Lange,T. J. Sloan,Torbjörn Sjöstrand,G. Grindhammer,V. Brisson,A. Usik,N. Bianchi,Bogdan Povh,M.H. Klein,A. Dubak,C. Niebuhr,Juraj Braciník,C. Kiesling,A. J. Campbell

Electron deuteron scattering with HERA, a letter of intent for an experimental programme with the H1 detector

2003

This document outlines the case for a program of electron-deuteron scattering measurements at HERA using the H1 detector. The goals of the e D program are to map the partonic structure of the nucleon at large Q2 and low x, to explore the valence quark distributions at the highest x values, to provide a precise measurement of the strong coupling constant and to investigate the parton recombination phenomena revealed in shadowing and their relationship to diffraction. The importance of these measurements for the understanding of the perturbative and non-perturbative aspects of QCD thought to be responsible for nucleon structure is discussed, as is the significance of the measurements for future experimental programs. Some modifications to both the H1 apparatus and the HERA accelerator are necessary to realize this program; these are presented in the document. Mention is also made of questions that will remain unanswered following the completion of the above program and the potential role of HERA and of H1 in investigating these questions is outlined. Physicists and Institutes interested in supporting this project are asked to inform Max Klein (klein@ifh.de) and Tim Greenshaw (green@hep.ph.liv.ac.uk) that they would like to have their names on the Letter of Intent bymore » Wednesday 30th April 2003.« less

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