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1. Features of the Clinical Course of Infectious and Epidemic Processes at Present

Author: I.V. Bogadelnikov and G.I. Smirnov
Subjects: Infectious and parasitic diseases, RC109-216
Published: 2013
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2. «Guess the Melody», or Multicomponent Cyclic and Noncyclic Infectious Processes in the Pediatric Practice

Author: I.V. Bogadelnikov, Ye.А. Kruger, A.V. Bobrysheva, E.R. Mazinova, Ye.N. Dyadyura, and G.I. Smirnov
Subjects: tuberculosis, herpes virus infection, infectious processes, children, Pediatrics, RJ1-570
Abstract: The article presents a clinical case of a multi-component infection in 8-year-old child. It is shown that on the background of the progress of infection (infection with Mycobacterium tuberculosis) typical, classic cyclic process (angina follicularis) develops, which ends of eradication of causative agent from the body. However, against the background of secondary immunodeficiency, activation of poliherpesvirus infection (Epstein-Barr infection, herpes virus, cytomegalovirus) occurs, i.e., noncyclic infectious process develops, which causes severity of the condition and fever, despite the absence of clinical symptoms.
Published: 2013
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3. The Problems of Current Vaccinology

Author: I.V. Bogadelnikov, A.V. Bobrysheva, Ye.А. Kruger, A.V. Ilyin, and G.I. Smirnov
Subjects: vaccination, HIV/AIDS, immunological imprinting, antibody-dependent amplification of infection, Pediatrics, RJ1-570
Abstract: The article describes the possible causes of the unpredictable reactions of child’s organism on vaccination and development of severe postvaccinal complications: epidemiological (uncontrolled group of children born from HIV-positive mothers and removed from the register upon reaching 18 monthes, and reduction in the selective pressure of contagious infectious diseases on human); genetic (lack of control and screening over the process of gene polymorphism, and the accumulation of point mutations); ignoring the immunological phenomena (antigenic imprinting and antibody-dependent amplification of infection).
Published: 2013
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4. Infection Can’t be Hidden in a Pocket

Author: I.V. Bogadelnikov, Ye.A. Kruger, A.V. Bobryshevа, and G.I. Smirnov
Subjects: infectious diseases, infectious processes, immunological mechanisms, Pediatrics, RJ1-570
Abstract: The article deals with key aspects of infectious processes; brief description of cyclic, noncyclic and multi infectious processes that occur in the human body is given. The main points of immunological imprinting and the phenomenon of antibody-dependent enhancement of infection were summarized.
Published: 2012
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5. Особенности течения инфекционных и эпидемических процессов в настоящее время

Author: G.I. Smirnov and I.V. Bogadelnikov
Subjects: General Medicine
Abstract: Сегодня приходится констатировать, что успеха борьбы с инфекционными заболеваниями у мирового сообщества как такового нет. Такую оценку позволяют сделать следующие данные:1. Возврат и активация старых инфекций, заболеваемость которыми была значительно снижена, а некоторые из них даже ликвидированы. Наиболее наглядно феномен активации старых инфекций демонстрирует вспышка оспы обезьян в мае 2003 года, которая, как считает ряд исследователей, является не чем иным, как вариантом натуральной оспы. Появилась оспа коров, верблюдов. В целом ряде стран исчезновение или значительное уменьшение заболеваемости коклюшем, дифтерией, корью способствовало уменьшению контроля и даже прекращению массовой вакцинации, что привело к вспышкам болезней в 1975–1980 гг. в Японии (коклюш), в 1993–1996 гг. — в России (дифтерия), в 2000–2002 гг. — в Латинской Америке (корь) (Семенов Б., 2004).2. Устойчивость микроорганизмов к этиотропной терапии, достигающая 90 % (Яковлев В.П., Яковлев С.В., 2002; Андрейчин М.А., 2013).3. Приобретение способности условно-патогенной флоры вызывать заболевание (Лобзин Ю.В., 2000).4. Появление новых инфекционных болезней (лихорадка Эбола, ВИЧ-инфекция, гепатиты Е и С и др.) — всего около 30 (Андрейчин М.А., 2005, 2010).5. Снижение иммунореактивности у 50–70 % людей, населяющих планету (Шабашова Н.В., 2004).6. Полная несостоятельность лечебных и профилактических мероприятий, используемых для борьбы с инфекционными заболеваниями, вызванными вирусами гепатитов В, С и D, герпесвирусами, ВИЧ, Т-клеточного лейкоза и др.
Published: 2013

6. «Угадай мелодию», или многокомпонентные циклические и нециклические инфекционные процессы в практике педиатра

Author: I.V. Bogadelnikov, Ye.А. Kruger, A.V. Bobrysheva, E.R. Mazinova, Ye.N. Dyadyura, and G.I. Smirnov
Subjects: General Earth and Planetary Sciences, General Environmental Science
Abstract: В статье представлен клинический случай развития многокомпонентного инфекционного процесса у ребенка 8 лет. Показано, что на фоне незавершенного инфекционного процесса (инфицированность микобактериями туберкулеза) развивается типичный, классический циклический процесс (фолликулярная ангина), который, в свою очередь, заканчивается эрадикацией возбудителя из организма. Однако на фоне возникшего вторичного иммунодефицита происходит активация полигерпесвирусной инфекции (вирус Эпштейна — Барр, герпесвирус, цитомегаловирус), то есть развивается нециклический инфекционный процесс, который обусловливает тяжесть состояния и лихорадку, несмотря на отсутствие клинической симптоматики.
Published: 2013

7. Exclusive muoproduction on transversely polarised protons and deuterons

Author: O.P. Gavrichtchouk, M. Ziembicki, L. Sinha, S. Sarkar, L. Steiger, A. Padee, T. Matsuda, A. Srnka, S. Dasgupta, A.V. Efremov, G. D. Alexeev, W. Dünnweber, A. Austregesilo, C. Elia, R. Bertini, Andrea Ferrero, G. Piragino, Jean-Francois Rajotte, D.I. Ryabchikov, M. Wilfert, I. Konorov, E. Rondio, K. Zaremba, M. Krämer, S.-U. Chung, Z.V. Kroumchtein, L. Lauser, A.S. Nunes, D. Panzieri, S. Uhl, M. Giorgi, S. Goertz, C. Quintans, F.H. Heinsius, V.A. Polyakov, G. Sbrizzai, A. Zvyagin, T. Liška, Michal Dziewiecki, S. Neubert, Laura Silva, A. Magnon, S. Grabmüller, A. Amoroso, François Herrmann, L. Dhara, C. Braun, B. Grube, B. Badelek, S. Koblitz, N. du Fresne von Hohenesche, T. Schlüter, E. Rocco, V. Duic, M. Chiosso, O. Kouznetsov, Frank Klein, P.D. Eversheim, Aram Kotzinian, R. Windmolders, G.I. Smirnov, B. Ketzer, A. Filin, Anne-Laure Martin, Franco Bradamante, K. Kurek, G.V. Khaustov, Yu. Kisselev, Fabrice Gautheron, H. Suzuki, M. Slunecka, W. Wiślicki, Murray Moinester, L. Schmitt, J. Pochodzalla, M. Büchele, J. Polak, M. A. Faessler, B. Gobbo, K. Schönning, Alexey Antonov, Ch. Höppner, A. Bravar, J. Lichtenstadt, S. Platchkov, S. Sosio, M. Ostrick, E. M. Kabuß, V.Yu. Alexakhin, K. Bicker, W. Eyrich, W. Schröder, Nour Makke, J.H. Koivuniemi, J. Bieling, N. I. Zhuravlev, Yu. Ivanshin, P. Bordalo, R. Sulej, D. Kang, Federica Sozzi, I.A. Savin, E. Perevalova, O.Yu. Denisov, F. Kunne, C. Franco, M. Stolarski, N. dʼHose, A. Morreale, R. Jahn, A. Korzenev, M. Quaresma, S. Schopferer, V. Rapatsky, P. Schiavon, P. Jasinski, E. Burtin, J.M. Friedrich, J. Bisplinghoff, S.S. Dasgupta, T. Negrini, R. Panknin, N.S. Rossiyskaya, T. Nagel, J. Pretz, Vladimir Nikolaenko, W.-D. Nowak, R. Joosten, M.G. Sapozhnikov, M. V. Zavertyaev, V.F. Konstantinov, Miroslav Sulc, F. Hinterberger, M. Virius, J. ter Wolbeek, A.A. Lednev, W. Meyer, Maria Liz Crespo, E. Zemlyanichkina, S. Ishimoto, L. Capozza, D.V. Peshekhonov, K. Kondo, H. Fischer, T. Michigami, A. Grasso, J. Barth, C. Marchand, Y. Bedfer, G. Pesaro, M.G. Alekseev, F. Nerling, G. Jegou, A. Sandacz, R. Gushterski, I. Gnesi, V. Jary, K. Königsmann, T. Guthörl, Yu. Alexandrov, Gerhard K. Mallot, K. Schmidt, Bakur Parsamyan, A. Nagaytsev, F. Balestra, S. Takekawa, Oleg V. Ivanov, Norihiro Doshita, H. Wollny, A. Maggiora, R. Birsa, S. Das, A.G. Olshevsky, A. N. Sissakian, D. Neyret, V.N. Kolosov, A. Mutter, N.V. Vlassov, J. Marzec, Günter Baum, O.Yu. Shevchenko, S. Levorato, R. Garfagnini, M. Finger, S. Gerassimov, N. Horikawa, K. Klimaszewski, V.D. Samoylenko, Sergey Donskov, Andres Cicuttin, G. Reicherz, A. Mann, S. Tessaro, S. Dalla Torre, Achim Richter, F. Haas, R. Geyer, Christian Schill, Yu.A. Khokhlov, S. Ramos, L. Wang, P. Sznajder, D. von Harrach, A. Lehmann, Maxence Vandenbroucke, L. G. Tkatchev, C. Heß, Yu.V. Mikhailov, Takahiro Iwata, I. Uman, Johannes Bernhard, A. Guskov, M. Bettinelli, Andrea Bressan, F. Tessarotto, G.V. Meshcheryakov, V. Frolov, Soumen Paul, Matthias Schott, and C. Adolph
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Angular momentum, Muon, Meson, 010308 nuclear & particles physics, media_common.quotation_subject, Nuclear Theory, Parton, 01 natural sciences, Asymmetry, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon, media_common, Spin-½
Abstract: The transverse target spin azimuthal asymmetry A(UT)(sin(phi-phi s)) in hard exclusive production of rho(0) mesons was measured at COMPASS by scattering 160 GeV/c muons off transversely polarised protons and deuterons. The measured asymmetry is sensitive to the nucleon helicity-flip generalised parton distributions E-q, which are related to the orbital angular momentum of quarks in the nucleon. The Q(2), x-B-j and p(T)(2) dependence of A(UT)(sin(phi-phi s)) is presented in a wide kinematic range: 1 (GeV/c)(2) < Q(2) < 10 (GeV/c)(2), 0.003 < xB(j) < 0.3 and 0.05 (GeV/c)(2) < p(T)(2) < 0.5 (GeV/c)(2) for protons or 0.10 (GeV/c)(2) < p(T)(2) < 0.5 (GeV/c)(2) for deuterons. Results for deuterons are obtained for the first time. The measured asymmetry is small in the whole kinematic range for both protons and deuterons, which is consistent with the theoretical interpretation that contributions from GPDs E-u and E-d approximately cancel. (C) 2012 Elsevier B.V. All rights reserved.
Published: 2012

8. Quark helicity distributions from longitudinal spin asymmetries in muon–proton and muon–deuteron scattering

Author: M.G. Alekseev, V.Yu. Alexakhin, Yu. Alexandrov, G.D. Alexeev, A. Amoroso, A. Austregesilo, B. Badełek, F. Balestra, J. Barth, G. Baum, Y. Bedfer, J. Bernhard, R. Bertini, M. Bettinelli, R. Birsa, J. Bisplinghoff, P. Bordalo, F. Bradamante, A. Bravar, A. Bressan, G. Brona, E. Burtin, M.P. Bussa, D. Chaberny, M. Chiosso, S.U. Chung, A. Cicuttin, M. Colantoni, M.L. Crespo, S. Dalla Torre, S. Das, S.S. Dasgupta, O.Yu. Denisov, L. Dhara, V. Diaz, S.V. Donskov, N. Doshita, V. Duic, W. Dünnweber, A. Efremov, A. El Alaoui, P.D. Eversheim, W. Eyrich, M. Faessler, A. Ferrero, A. Filin, M. Finger, H. Fischer, C. Franco, J.M. Friedrich, R. Garfagnini, F. Gautheron, O.P. Gavrichtchouk, R. Gazda, S. Gerassimov, R. Geyer, M. Giorgi, I. Gnesi, B. Gobbo, S. Goertz, S. Grabmüller, A. Grasso, B. Grube, R. Gushterski, A. Guskov, F. Haas, D. von Harrach, T. Hasegawa, F.H. Heinsius, F. Herrmann, C. Heß, F. Hinterberger, N. Horikawa, Ch. Höppner, N. d'Hose, C. Ilgner, S. Ishimoto, O. Ivanov, Yu. Ivanshin, T. Iwata, R. Jahn, P. Jasinski, G. Jegou, R. Joosten, E. Kabuß, D. Kang, B. Ketzer, G.V. Khaustov, Yu.A. Khokhlov, Yu. Kisselev, F. Klein, K. Klimaszewski, S. Koblitz, J.H. Koivuniemi, V.N. Kolosov, K. Kondo, K. Königsmann, R. Konopka, I. Konorov, V.F. Konstantinov, A. Korzenev, A.M. Kotzinian, O. Kouznetsov, K. Kowalik, M. Krämer, A. Kral, Z.V. Kroumchtein, R. Kuhn, F. Kunne, K. Kurek, L. Lauser, J.M. Le Goff, A.A. Lednev, A. Lehmann, S. Levorato, J. Lichtenstadt, T. Liska, A. Maggiora, M. Maggiora, A. Magnon, N. Makke, G.K. Mallot, A. Mann, C. Marchand, A. Martin, J. Marzec, F. Massmann, T. Matsuda, W. Meyer, T. Michigami, Yu.V. Mikhailov, M.A. Moinester, A. Mutter, A. Nagaytsev, T. Nagel, J. Nassalski, T. Negrini, F. Nerling, S. Neubert, D. Neyret, V.I. Nikolaenko, A.S. Nunes, A.G. Olshevsky, M. Ostrick, A. Padee, R. Panknin, D. Panzieri, B. Parsamyan, S. Paul, B. Pawlukiewicz-Kaminska, E. Perevalova, G. Pesaro, D.V. Peshekhonov, G. Piragino, S. Platchkov, J. Pochodzalla, J. Polak, V.A. Polyakov, G. Pontecorvo, J. Pretz, C. Quintans, J.-F. Rajotte, S. Ramos, V. Rapatsky, G. Reicherz, A. Richter, F. Robinet, E. Rocco, E. Rondio, D.I. Ryabchikov, V.D. Samoylenko, A. Sandacz, H. Santos, M.G. Sapozhnikov, S. Sarkar, I.A. Savin, G. Sbrizzai, P. Schiavon, C. Schill, T. Schlüter, L. Schmitt, S. Schopferer, W. Schröder, O.Yu. Shevchenko, H.-W. Siebert, L. Silva, L. Sinha, A.N. Sissakian, M. Slunecka, G.I. Smirnov, S. Sosio, F. Sozzi, A. Srnka, M. Stolarski, M. Sulc, R. Sulej, S. Takekawa, S. Tessaro, F. Tessarotto, A. Teufel, L.G. Tkatchev, S. Uhl, I. Uman, M. Virius, N.V. Vlassov, A. Vossen, Q. Weitzel, R. Windmolders, W. Wiślicki, H. Wollny, K. Zaremba, M. Zavertyaev, E. Zemlyanichkina, M. Ziembicki, J. Zhao, N. Zhuravlev, A. Zvyagin, M. G., Alekseev, Alexakhin, V. Y. u., Alexandrovo, Y. u., G. D., Alexeev, A., Amoroso, A., Austregesilo, B., Badełek, F., Balestra, J., Barth, G., Baum, Y., Bedfer, J., Bernhard, R., Bertini, M., Bettinelli, R., Birsa, J., Bisplinghoff, P., Bordalo, Bradamante, Franco, A., Bravar, Bressan, Andrea, G., Brona, E., Burtin, M. P., Bussa, D., Chaberny, M., Chiosso, S. U., Chung, A., Cicuttin, M., Colantoni, M. L., Crespo, S., Dalla Torre, S., Da, S. S., Dasgupta, Denisov, O. Y. u., L., Dhara, V., Diaz, S. V., Donskov, N., Doshita, Duic, Venicio, W., Dunnweber, A., Efremov, A., El Alaoui, P. D., Eversheim, W., Eyrich, M., Faessler, A., Ferrero, A., Filin, M., Finger, M. Finger J., R., H., Fischeri, C., Franco, J. M., Friedrich, R., Garfagnini, F., Gautheron, O. P., Gavrichtchouk, R., Gazda, S., Gerassimov, R., Geyer, Giorgi, Marcello, I., Gnesi, B., Gobbo, S., Goertz, S., Grabmuller, A., Grasso, B., Grube, R., Gushterski, A., Guskov, F., Haa, D., von Harrach, T., Hasegawa, F. H., Heinsiu, F., Herrmann, C., He, F., Hinterberger, N., Horikawa, Hoppner, C. h., N., D’Hose, C., Ilgnerj, S., Ishimoto, O., Ivanov, Ivanshin, Y. u., T., Iwata, R., Jahn, P., Jasinski, G., Jegou, R., Joosten, E., Kabu, D., Kang, B., Ketzer, G. V., Khaustov, Khokhlov, Y. u. A., Kisselev, Y. u., F., Klein, K., Klimaszewski, S., Koblitz, J. H., Koivuniemi, V. N., Kolosov, K., Kondo, K., Konigsmann, R., Konopka, I., Konorov, V. F., Konstantinov, A., Korzenev, A. M., Kotzinian, O., Kouznetsov, K., Kowalik, M., Kramer, A., Kral, Z. V., Kroumchtein, R., Kuhn, F., Kunne, K., Kurek, L., Lauseri, J. M., Le Goff, A. A., Lednev, A., Lehmann, Levorato, Stefano, J., Lichtenstadt, T., Liska, A., Maggiora, M., Maggiora, A., Magnon, N., Makke, G. K., Mallot, A., Mann, C., Marchand, Martin, Anna, J., Marzec, F., Massmann, T., Matsuda, W., Meyer, T., Michigami, Mikhailov, Y. u. V., M. A., Moinester, A., Mutteri, A., Nagaytsev, T., Nagel, J., Nassalski, T., Negrini, F., Nerling, S., Neubert, D., Neyret, V. I., Nikolaenko, A. S., Nune, A. G., Olshevsky, M., Ostrick, A., Padee, R., Panknin, D., Panzieri, B., Parsamyan, S., Paul, B., Pawlukiewicz Kaminska, E., Perevalova, Pesaro, Giulia, D. V., Peshekhonov, G., Piragino, S., Platchkov, J., Pochodzalla, J., Polak, V. A., Polyakov, G., Pontecorvo, J., Pretz, C., Quintan, J. F., Rajotte, S., Ramo, V., Rapatsky, G., Reicherz, A., Richter, F., Robinet, E., Rocco, E., Rondio, D. I., Ryabchikov, V. D., Samoylenko, A., Sandacz, H., Santo, M. G., Sapozhnikov, S., Sarkar, I. A., Savin, Sbrizzai, Giulio, Schiavon, Paolo, C., Schill, T., Schluter, L., Schmitt, S., Schopfereri, W., Schroder, Shevchenko, O. Y. u., H. W., Siebert, L., Silva, L., Sinha, A. N., Sissakian, M., Slunecka, G. I., Smirnov, S., Sosio, Sozzi, Federica, A., Srnka, M., Stolarskij, M., Sulc, R., Sulej, Takekawa, Stefano, S., Tessaro, F., Tessarotto, A., Teufel, L. G., Tkatchev, S., Uhl, I., Uman, M., Viriu, N. V., Vlassov, A., Vossen, Q., Weitzel, R., Windmolder, W., Wi´slicki, H., Wollny, K., Zaremba, M., Zavertyaev, E., Zemlyanichkina, M., Ziembicki, J., Zhao, N., Zhuravlev, and A., Zvyagin
Subjects: Quark, Nuclear and High Energy Physics, Proton, High Energy Physics::Lattice, media_common.quotation_subject, Nuclear Theory, FOS: Physical sciences, COMPASS, 01 natural sciences, Asymmetry, Semi-inclusive deep inelastic scattering, Spin, Structure function, Parton distribution functions, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, COMPASS experiment, Nuclear Experiment, 010306 general physics, Spin-½, media_common, Physics, function, Muon, 010308 nuclear & particles physics, Scattering, High Energy Physics::Phenomenology, Structure, Helicity, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Double-spin asymmetries for production of charged pions and kaons in semi-inclusive deep-inelastic muon scattering have been measured by the COMPASS experiment at CERN. The data, obtained by scattering a 160 GeV muon beam off a longitudinally polarised NH_3 target, cover a range of the Bjorken variable x between 0.004 and 0.7. A leading order evaluation of the helicity distributions for the three lightest quarks and antiquark flavours derived from these asymmetries and from our previous deuteron data is presented. The resulting values of the sea quark distributions are small and do not show any sizable dependence on x in the range of the measurements. No significant difference is observed between the strange and antistrange helicity distributions, both compatible with zero. The integrated value of the flavour asymmetry of the helicity distribution of the light-quark sea, \Delta u-bar - \Delta d-bar, is found to be slightly positive, about 1.5 standard deviations away from zero., Comment: 13 pages, 5 figures
Published: 2010

9. The spin-dependent structure function of the proton g1p and a test of the Bjorken sum rule

Author: P. Schiavon, I. Konorov, C. Hess, Miroslav Sulc, M. Ziembicki, F. Hinterberger, F.H. Heinsius, Achim Richter, A. Magnon, F. Massmann, S. Ramos, Norihiro Doshita, N. d'Hose, Alan D. Martin, D. Kang, K. Königsmann, Soumen Paul, T. Hasegawa, E. Rondio, A. Austregesilo, R. Gazda, A. Maggiora, E. Perevalova, R. Kuhn, A. N. Sissakian, S. Das, A.G. Olshevsky, R. Jahn, A. Ferrero, A. Maximov, C. Quintans, D. Cotic, M.P. Bussa, V.D. Samoylenko, O.P. Gavrichtchouk, Vladimir A. Polyakov, D. Neyret, Elena Rocco, J. Polak, W. Kafer, J.H. Koivuniemi, R. Joosten, L. Sinha, S. Neubert, A. Korzenev, T. Matsuda, K. Zaremba, Laura Silva, A.A. Lednev, A. Mutter, A. Lehmann, J. Ball, J. M. Le Goff, S. Platchkov, O. Kouznetsov, Yu.V. Mikhailov, A. Král, R. Windmolders, S. Sarkar, R. Bertini, Franco Bradamante, B. Pawlukiewicz-Kaminska, S.S. Dasgupta, M. V. Zavertyaev, C. Marchand, V. Rapatsky, A. Nagaytsev, F. Balestra, A. Srnka, L. Lauser, S. Grabmüller, W. Wislicki, J. Pochodzalla, V. Duic, G. Sbrizzai, A. Padee, F. Tessarotto, Moinester, P. Jasinski, O.Yu. Denisov, V. Diaz, T. Negrini, J. Marzec, G. Piragino, S. Uhl, P.D. Eversheim, G.B. Pontecorvo, K. Klimaszewski, M. Maggiora, P. Bordalo, F. Nerling, A. Amoroso, M. Chiosso, F. Haas, R. Geyer, Jean-Francois Rajotte, Takahiro Iwata, D.I. Ryabchikov, D. von Harrach, M. Giorgi, A.S. Nunes, S. Koblitz, Andres Cicuttin, L. Schmitt, T. Nagel, D. Panzieri, J. Pretz, T. Schlüter, A. El Alaoui, S. Gerassimov, M. Krämer, N. Horikawa, J. Zhao, K. Kondo, M.G. Alekseev, Sergey Donskov, T. Liška, G. Reicherz, H.-W. Siebert, F. Kunne, R. Gushterski, W. Eyrich, M. Virius, S. Tessaro, V.F. Konstantinov, Johannes Bernhard, A. Guskov, Y. Bedfer, G.V. Khaustov, A. Zvyagin, T. Michigami, S. Dalla Torre, E. Burtin, H. Santos, Q. Weitzel, M. Bettinelli, M. Slunecka, A. Sandacz, B. Gobbo, I.A. Savin, Andrea Bressan, W. Schröder, N. I. Zhuravlev, Ch. Höppner, Yu.A. Khokhlov, A. M. Kotzinian, W. Meyer, Maria Liz Crespo, H. Fischer, M. L. Colantoni, C. Ilgner, J. Barth, R. Konopka, A. Teufel, S. Schopferer, N.V. Vlassov, Günter Baum, M.G. Sapozhnikov, O.Yu. Shevchenko, S. Levorato, Yu. Kisselev, D. Chaberny, S.-U. Chung, V.N. Kolosov, V.I. Nikolaenko, D.V. Peshekhonov, J. Marroncle, A.V. Efremov, R. Garfagnini, Z.V. Kroumchtein, François Herrmann, A. Bravar, A. Mann, M. Ostrick, G. Jegou, K. Kurek, E. Kabuss, Oleg V. Ivanov, R. Hermann, H. Wollny, S. Sosio, Christian Schill, I. Uman, G. Pesaro, S. Takekawa, Yu. Alexandrov, J. Lichtenstadt, M. Stolarski, I. Gnesi, Bakur Parsamyan, G.I. Smirnov, Fabrice Gautheron, M. A. Faessler, R. Panknin, V.Yu. Alexakhin, A. Grasso, R. Sulej, M. Finger, C. Franco, R. Birsa, G. D. Alexeev, W. Dünnweber, J.M. Friedrich, J. Bisplinghoff, E. Zemlyanichkina, L. Dhara, B. Badelek, B. Ketzer, F. Robinet, A. Filin, Grzegorz Brona, Gerhard K. Mallot, A. Vossen, F. Sozzi, J. Nassalski, S. Ishimoto, Frank Klein, K. Kowalik, Yu. Ivanshin, L. G. Tkatchev, S. Goertz, and B. Grube
Subjects: Quantum chromodynamics, Physics, Coupling constant, Nuclear and High Energy Physics, Particle physics, Muon, Isovector, Proton, 010308 nuclear & particles physics, Deep inelastic scattering, 01 natural sciences, Nuclear physics, 0103 physical sciences, Sum rule in quantum mechanics, 010306 general physics, Spin-½
Abstract: The inclusive double-spin asymmetry, A 1 p , has been measured at COMPASS in deep-inelastic polarised muon scattering off a large polarised NH3 target. The data, collected in the year 2007, cover the range Q 2 > 1 ( GeV / c ) 2 , 0.004 x 0.7 and improve the statistical precision of g 1 p ( x ) by a factor of two in the region x 0.02 . The new proton asymmetries are combined with those previously published for the deuteron to extract the non-singlet spin-dependent structure function g 1 NS ( x , Q 2 ) . The isovector quark density, Δ q 3 ( x , Q 2 ) , is evaluated from a NLO QCD fit of g 1 NS . The first moment of Δ q 3 is in good agreement with the value predicted by the Bjorken sum rule and corresponds to a ratio of the axial and vector coupling constants | g A / g V | = 1.28 ± 0.07 ( stat . ) ± 0.10 ( syst. ) .
Published: 2010

10. The COMPASS experiment at CERN

Author: P. Abbon, E. Albrecht, V.Yu. Alexakhin, Yu. Alexandrov, G.D. Alexeev, M.G. Alekseev, A. Amoroso, H. Angerer, V.A. Anosov, B. Badełek, F. Balestra, J. Ball, J. Barth, G. Baum, M. Becker, Y. Bedfer, P. Berglund, C. Bernet, R. Bertini, M. Bettinelli, R. Birsa, J. Bisplinghoff, P. Bordalo, M. Bosteels, F. Bradamante, A. Braem, A. Bravar, A. Bressan, G. Brona, E. Burtin, M.P. Bussa, V.N. Bytchkov, M. Chalifour, A. Chapiro, M. Chiosso, P. Ciliberti, A. Cicuttin, M. Colantoni, A.A. Colavita, S. Costa, M.L. Crespo, P. Cristaudo, T. Dafni, N. d’Hose, S. Dalla Torre, C. d’Ambrosio, S. Das, S.S. Dasgupta, E. Delagnes, R. De Masi, P. Deck, N. Dedek, D. Demchenko, O.Yu. Denisov, L. Dhara, V. Diaz, N. Dibiase, A.M. Dinkelbach, A.V. Dolgopolov, A. Donati, S.V. Donskov, V.A. Dorofeev, N. Doshita, D. Durand, V. Duic, W. Dünnweber, A. Efremov, P.D. Eversheim, W. Eyrich, M. Faessler, V. Falaleev, P. Fauland, A. Ferrero, L. Ferrero, M. Finger, H. Fischer, C. Franco, J. Franz, F. Fratnik, J.M. Friedrich, V. Frolov, U. Fuchs, R. Garfagnini, L. Gatignon, F. Gautheron, O.P. Gavrichtchouk, S. Gerassimov, R. Geyer, J.M. Gheller, A. Giganon, M. Giorgi, B. Gobbo, S. Goertz, A.M. Gorin, F. Gougnaud, S. Grabmüller, O.A. Grajek, A. Grasso, B. Grube, A. Grünemaier, A. Guskov, F. Haas, R. Hagemann, J. Hannappel, D. von Harrach, T. Hasegawa, J. Heckmann, S. Hedicke, F.H. Heinsius, R. Hermann, C. Heß, F. Hinterberger, M. von Hodenberg, N. Horikawa, S. Horikawa, I. Horn, C. Ilgner, A.I. Ioukaev, S. Ishimoto, I. Ivanchin, O. Ivanov, T. Iwata, R. Jahn, A. Janata, R. Joosten, N.I. Jouravlev, E. Kabuß, V. Kalinnikov, D. Kang, F. Karstens, W. Kastaun, B. Ketzer, G.V. Khaustov, Yu.A. Khokhlov, J. Kiefer, Yu. Kisselev, F. Klein, K. Klimaszewski, S. Koblitz, J.H. Koivuniemi, V.N. Kolosov, E.V. Komissarov, K. Kondo, K. Königsmann, A.K. Konoplyannikov, I. Konorov, V.F. Konstantinov, A.S. Korentchenko, A. Korzenev, A.M. Kotzinian, N.A. Koutchinski, O. Kouznetsov, K. Kowalik, D. Kramer, N.P. Kravchuk, G.V. Krivokhizhin, Z.V. Kroumchtein, J. Kubart, R. Kuhn, V. Kukhtin, F. Kunne, K. Kurek, N.A. Kuzmin, M. Lamanna, J.M. Le Goff, M. Leberig, A.A. Lednev, A. Lehmann, V. Levinski, S. Levorato, V. I Lyashenko, J. Lichtenstadt, T. Liska, I. Ludwig, A. Maggiora, M. Maggiora, A. Magnon, G.K. Mallot, A. Mann, I.V. Manuilov, C. Marchand, J. Marroncle, A. Martin, J. Marzec, L. Masek, F. Massmann, T. Matsuda, D. Matthiä, A.N. Maximov, G. Menon, W. Meyer, A. Mielech, Yu.V. Mikhailov, M.A. Moinester, F. Molinié, F. Mota, A. Mutter, T. Nagel, O. Nähle, J. Nassalski, S. Neliba, F. Nerling, D. Neyret, M. Niebuhr, T. Niinikoski, V.I. Nikolaenko, A.A. Nozdrin, A.G. Olshevsky, M. Ostrick, A. Padee, P. Pagano, S. Panebianco, B. Parsamyan, D. Panzieri, S. Paul, B. Pawlukiewicz, H. Pereira, D.V. Peshekhonov, V.D. Peshekhonov, D. Piedigrossi, G. Piragino, S. Platchkov, K. Platzer, J. Pochodzalla, J. Polak, V.A. Polyakov, G. Pontecorvo, A.A. Popov, J. Pretz, S. Procureur, C. Quintans, J.-F. Rajotte, S. Ramos, I. Razaq, P. Rebourgeard, D. Reggiani, G. Reicherz, A. Richter, F. Robinet, E. Rocco, E. Rondio, L. Ropelewski, J.Y. Roussé, A.M. Rozhdestvensky, D. Ryabchikov, A.G. Samartsev, V.D. Samoylenko, A. Sandacz, M. Sans Merce, H. Santos, M.G. Sapozhnikov, F. Sauli, I.A. Savin, P. Schiavon, C. Schill, T. Schmidt, H. Schmitt, L. Schmitt, P. Schönmeier, W. Schroeder, D. Seeharsch, M. Seimetz, D. Setter, A. Shaligin, O.Yu. Shevchenko, A.A. Shishkin, H.-W. Siebert, L. Silva, F. Simon, L. Sinha, A.N. Sissakian, M. Slunecka, G.I. Smirnov, D. Sora, S. Sosio, F. Sozzi, A. Srnka, F. Stinzing, M. Stolarski, V.P. Sugonyaev, M. Sulc, R. Sulej, G. Tarte, N. Takabayashi, V.V. Tchalishev, S. Tessaro, F. Tessarotto, A. Teufel, D. Thers, L.G. Tkatchev, T. Toeda, V.V. Tokmenin, S. Trippel, J. Urban, R. Valbuena, G. Venugopal, M. Virius, N.V. Vlassov, A. Vossen, M. Wagner, R. Webb, E. Weise, Q. Weitzel, U. Wiedner, M. Wiesmann, R. Windmolders, S. Wirth, W. Wiślicki, H. Wollny, A.M. Zanetti, K. Zaremba, M. Zavertyaev, J. Zhao, R. Ziegler, M. Ziembicki, Y.L. Zlobin, A. Zvyagin, Abbon, P, Albrecht, E, ALEXAKHIN V., Yu, Alexandrov, Yu, ALEXEEV G., D, ALEKSEEV M., G, Amoroso, A, Angerer, H, ANOSOV V., A, Badelek, B, Balestra, F, Ball, J, Barth, J, Baum, G, Becker, M, Bedfer, Y, Berglund, P, Bernet, C, Bertini, R, Bettinelli, M, Birsa, R, Bisplinghoff, J, Bordalo, P, Bosteels, M, Bradamante, Franco, Braem, A, Bravar, A, Bressan, Andrea, Brona, G, Burtin, E, BUSSA M., P, BYTCHKOV V., N, Chalifour, M, Chapiro, A, Chiosso, M, Ciliberti, Piero, Cicuttin, A, Colantoni, M, COLAVITA A., A, Costa, S, CRESPO M., L, Cristaudo, P, Dafni, T, D'Hose, N, DALLA TORRE, S, D'Ambrosio, C, Das, S, DASGUPTA S., S, Delagnes, E, DE MASI, R, Deck, P, Dedek, N, Demchenko, D, DENISOV O., Yu, Dhara, L, Diaz, V, Dibiase, N, DINKELBACH A., M, DOLGOPOLOV A., V, Donati, A, DONSKOV S., V, DOROFEEV V., A, Doshita, N, Durand, D, Duic, V, Dünnweber, W, Efremov, A, EVERSHEIM P., D, Eyrich, W, Faessler, M, Falaleev, V, Fauland, P, Ferrero, A, Ferrero, L, Finger, M, FINGER M., Jr, Fischer, H, Franco, C, Franz, J, Fratnik, F, FRIEDRICH J., M, Frolov, V, Fuchs, U, Garfagnini, R, Gatignon, L, Gautheron, F, GAVRICHTCHOUK O., P, Gerassimov, S, Geyer, R, GHELLER J., M, Giganon, A, Giorgi, Marcello, Gobbo, B, Goertz, S, GORIN A., M, Gougnaud, F, Grabmüller, S, GRAJEK O., A, Grasso, A, Grube, B, Grünemaier, A, Guskov, A, Haas, F, Hagemann, R, Hannappel, J, VON HARRACH, D, Hasegawa, T, Heckmann, J, Hedicke, S, HEINSIUS F., H, Hermann, R, Hess, C, Hinterberger, F, VON HODENBERG, M, Horikawa, N, Horikawa, S, Horn, I, Ilgner, C, IOUKAEV A., I, Ishimoto, S, Ivanchin, I, Ivanov, O, Iwata, T, Jahn, R, Janata, A, Joosten, R, JOURAVLEV N., I, Kabuss, E, Kalinnikov, V, Kang, D, Karstens, F, Kastaun, W, Ketzer, B, KHAUSTOV G., V, KHOKHLOV Y. U., A, Kiefer, J, Kisselev, Yu, Klein, F, Klimaszewski, K, Koblitz, S, KOIVUNIEMI J., H, KOLOSOV V., N, KOMISSAROV E., V, Kondo, K, Königsmann, K, KONOPLYANNIKOV A., K, Konorov, I, KONSTANTINOV V., F, KORENTCHENKO A., S, Korzenev, A, KOTZINIAN A., M, KOUTCHINSKI N., A, Kouznetsov, O, Kowalik, K, Kramer, D, KRAVCHUK N., P, KRIVOKHIZHIN G., V, KROUMCHTEIN Z., V, Kubart, J, Kuhn, R, Kukhtin, V, Kunne, F, Kurek, K, KUZMIN N., A, Lamanna, M, LE GOFF J., M, Leberig, M, LEDNEV A., A, Lehmann, A, Levinski, V, Levorato, Stefano, I., LYASHENKO V, Lichtenstadt, J, Liska, T, Ludwig, I, Maggiora, A, Maggiora, M, Magnon, A, MALLOT G., K, Mann, A, MANUILOV I., V, Marchand, C, Marroncle, J, Martin, Anna, Marzec, J, Masek, L, Massmann, F, Matsuda, T, Matthiä, D, MAXIMOV A., N, Menon, G, Meyer, W, Mielech, A, MIKHAILOV Y. U., V, MOINESTER M., A, Molinié, F, Mota, F, Mutter, A, Nagel, T, Nähle, O, Nassalski, J, Neliba, S, Nerling, F, Neyret, D, Niebuhr, M, Niinikoski, T, NIKOLAENKO V., I, NOZDRIN A., A, OLSHEVSKY A., G, Ostrick, M, Padee, A, Pagano, P, Panebianco, S, Parsamyan, B, Panzieri, D, Paul, S, Pawlukiewicz, B, Pereira, H, PESHEKHONOV D., V, PESHEKHONOV V., D, Piedigrossi, D, Piragino, G, Platchkov, S, Platzer, K, Pochodzalla, J, Polak, J, POLYAKOV V., A, Pontecorvo, G, POPOV A., A, Pretz, J, Procureur, S, Quintans, C, RAJOTTE J., F, Ramos, S, Razaq, I, Rebourgeard, P, Reggiani, D, Reicherz, G, Richter, A, Robinet, F, Rocco, E, Rondio, E, Ropelewski, L, ROUSSÉ J., Y, ROZHDESTVENSKY A., M, Ryabchikov, D, SAMARTSEV A., G, SAMOYLENKO V., D, Sandacz, A, SANS MERCE, M, Santos, H, SAPOZHNIKOV M., G, Sauli, F, SAVIN I., A, Schiavon, Paolo, Schill, C, Schmidt, T, Schmitt, H, Schmitt, L, Schönmeier, P, Schroeder, W, Seeharsch, D, Seimetz, M, Setter, D, Shaligin, A, SHEVCHENKO O., Yu, SHISHKIN A., A, SIEBERT H., W, Silva, L, Simon, F, Sinha, L, SISSAKIAN A., N, Slunecka, M, SMIRNOV G., I, Sora, D, Sosio, S, Sozzi, F, Srnka, A, Stinzing, F, Stolarski, M, SUGONYAEV V., P, Sulc, M, Sulej, R, Tarte, G, Takabayashi, N, TCHALISHEV V., V, Tessaro, S, Tessarotto, F, Teufel, A, Thers, D, TKATCHEV L., G, Toeda, T, TOKMENIN V., V, Trippel, S, Urban, J, Valbuena, R, Venugopal, G, Virius, M, VLASSOV N., V, Vossen, A, Wagner, M, Webb, R, Weise, E, Weitzel, Q, Wiedner, U, Wiesmann, M, Windmolders, R, Wirth, S, Wisblicki, W, Wollny, H, ZANETTI A., M, Zaremba, K, Zavertyaev, M, Zhao, J, Ziegler, R, Ziembicki, M, ZLOBIN Y., L, and Zvyagin, A.
Subjects: Nuclear and High Energy Physics, straw tube detector, Physics::Instrumentation and Detectors, Project commissioning, FOS: Physical sciences, fixed-target experiment, RICH detector, hadron structure, High Energy Physics - Experiment, target, MWPC, Nuclear physics, High Energy Physics - Experiment (hep-ex), Compass, Hadron spectroscopy, COMPASS experiment, scintillating fibre detector, Nuclear Experiment, silicon microstrip detectors, Instrumentation, Silicon microstrip detectors, Physics, Large Hadron Collider, Structure function, MicroMegas detector, front-end electronics, DAQ, micromegas detector, drift chamber, Physics::Accelerator Physics, High Energy Physics::Experiment, polarised, GEM detector, calorimetry, Particle Physics - Experiment, polarised DIS
Abstract: The COMPASS experiment makes use of the CERN SPS high-intensitymuon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy of hadrons. One or more outgoing particles are detected in coincidence with the incoming muon or hadron. A large polarized target inside a superconducting solenoid is used for the measurements with the muon beam. Outgoing particles are detected by a two-stage, large angle and large momentum range spectrometer. The setup is built using several types of tracking detectors, according to the expected incident rate, required space resolution and the solid angle to be covered. Particle identification is achieved using a RICH counter and both hadron and electromagnetic calorimeters. The setup has been successfully operated from 2002 onwards using a muon beam. Data with a hadron beam were also collected in 2004. This article describes the main features and performances of the spectrometer in 2004; a short summary of the 2006 upgrade is also given., 84 papes, 74 figures
Published: 2007

11. Spin asymmetry A1d and the spin-dependent structure function g1d of the deuteron at low values of x and Q2

Author: Aram Kotzinian, R. Windmolders, M.G. Sapozhnikov, S. Neliba, L. Schmitt, A. Janata, J. Zhao, E. Burtin, J. Lichtenstadt, R. Geyer, D.V. Peshekhonov, P. Schiavon, V.F. Konstantinov, Q. Weitzel, J. Pretz, L. Ferrero, H. Fischer, A.G. Olshevsky, T. Hasegawa, S. Procureur, R. Ziegler, Yu. Alexandrov, A. Chapiro, M. Fabro, V.F. Obraztsov, M. Maggiora, K. Zaremba, D. Neyret, G.I. Smirnov, Fabrice Gautheron, M. A. Faessler, V.A. Polyakov, R. C. Webb, A. Mielech, S. Ishimoto, Frank Klein, Andres Cicuttin, A. Amoroso, G. Reicherz, J. Marzec, St. Goertz, V.Yu. Alexakhin, A. Korzenev, Colin Bernet, Massimo Lamanna, Yu. Kisselev, A. Sandacz, A. Srnka, R. Sulej, C. Ilgner, S. Platchkov, S. Dalla Torre, V.P. Sugonyaev, N.P. Kravchuk, A. Bravar, M. Ostrick, I. Konorov, M. Stolarski, C. Quintans, Grzegorz Brona, Gerhard K. Mallot, A. Zvyagin, Murray Moinester, S. Ramos, Alessandro Bressan, F. Tessarotto, E. M. Kabuß, A.M. Rozhdestvensky, N. V. Khomutov, A. Gorin, I.A. Savin, T. Matsuda, T. Iwata, Z.V. Kroumchtein, F. Sozzi, D. von Harrach, F. Balestra, Franco Bradamante, F.H. Heinsius, Norihiro Doshita, S. Gerassimov, W. Eyrich, J. Ball, L. G. Tkatchev, V. Falaleev, N. Horikawa, H.-W. Siebert, Yu.V. Mikhailov, S. Koblitz, N. d'Hose, E.V. Komissarov, A. Grasso, Sergey Donskov, S. Paul, V. Diaz Kavka, R. Jahn, A. Magnon, A. N. Sissakian, B. Grube, D. Panzieri, J. Nassalski, O.Yu. Denisov, T. Liška, Yu.A. Khokhlov, I. Ludwig, R. Joosten, K. Kurek, G. D. Alexeev, O.A. Grajek, Miroslav Sulc, F. Hinterberger, C. Marchand, A. Maximov, W. Dünnweber, M. Virius, J.M. Friedrich, V.D. Samoylenko, E. Weise, J. Pochodzalla, M.L. Colantoni, S. Hedicke, O.P. Gavrichtchouk, L. Sinha, J. Marroncle, S.S. Dasgupta, N. Takabayashi, J. Bisplinghoff, A.I. Ioukaev, E. Rondio, K. Kondo, R. De Masi, P. Bordalo, M.P. Bussa, A.A. Shishkin, G.V. Khaustov, Alan D. Martin, J. Heckmann, J. Franz, S. Wirth, Y. Bedfer, J. Hannappel, Paolo Pagano, Vladimir Peshekhonov, J. M. Le Goff, R. Birsa, N.I. Jouravlev, S. Horikawa, P.D. Eversheim, G. Piragino, V. Duic, W. Meyer, Maria Liz Crespo, M.E. Ladygin, A.A. Nozdrin, C. Heß, M. Giorgi, V. Frolov, V.N. Kolosov, F. Stinzing, N.A. Koutchinski, R. Kuhn, D. Kang, K. Königsmann, Christian Schill, A. Padee, O. Nähle, R. Bertini, A.B. Sadovski, R. Hermann, Andrea Ferrero, A. Maggiora, V.A. Dorofeev, L. Dhara, M. Slunecka, B. Badelek, W. Wiślicki, B. Gobbo, A.S. Korentchenko, A.M. Dinkelbach, B. Ketzer, A. Teufel, Oleg V. Ivanov, M. von Hodenberg, F. Kunne, A.A. Popov, N.V. Vlassov, Günter Baum, O.Yu. Shevchenko, V.I. Nikolaenko, R. Garfagnini, M. Finger, V.V. Tchalishev, S. Costa, J.H. Koivuniemi, and S. Panebianco
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Large Hadron Collider, 010308 nuclear & particles physics, media_common.quotation_subject, Structure function, Zero (complex analysis), 01 natural sciences, Asymmetry, Nuclear physics, Deuterium, 0103 physical sciences, COMPASS experiment, 010306 general physics, Spin-½, media_common
Abstract: We present a precise measurement of the deuteron longitudinal spin asymmetry A 1 d and of the deuteron spin-dependent structure function g 1 d at Q 2 1 ( GeV / c ) 2 and 4 × 10 −5 x 2.5 × 10 −2 based on the data collected by the COMPASS experiment at CERN during the years 2002 and 2003. The statistical precision is tenfold better than that of the previous measurement in this region. The measured A 1 d and g 1 d are found to be consistent with zero in the whole range of x.
Published: 2007

12. Gluon polarization in the nucleon from quasi-real photoproduction of high-pT hadron pairs

Author: R. Sulej, S. Neliba, P. Berglund, B. Grube, M.G. Sapozhnikov, H. Schmitt, A. Maggiora, E. Rondio, M. Varanda, A. Zvyagin, W. Kastaun, Colin Bernet, A. Srnka, I. Konorov, M.P. Bussa, A. Korzenev, E.S. Ageev, F. H. Heinsius, S. Gerassimov, J. M. Le Goff, T. Toeda, Marc Wagner, P.D. Eversheim, A. Mielech, S. Ishimoto, Frank Klein, K. Kondo, K. Zaremba, M. Wiesmann, J. Reymann, A.A. Shishkin, V. Duic, Sergey Donskov, O.P. Gavrichtchouk, S. Platchkov, P. Rebourgeard, Y. Bedfer, N. Dedek, L. Sinha, F. Balestra, S. Paul, R. Ziegler, V.N. Kolosov, V.A. Polyakov, N.P. Kravchuk, A.K. Konoplyannikov, J. Zhao, R. Jahn, A. Gorin, V. Diaz, M. Maggiora, R. Ijaduola, N. Takabayashi, R. De Masi, P. Bordalo, J. Bisplinghoff, Massimo Lamanna, Yu. Kisselev, A. Amoroso, Vladimir Peshekhonov, R. Birsa, E.V. Komissarov, Andres Cicuttin, J. Lichtenstadt, Norihiro Doshita, G. Piragino, N. d'Hose, Yu.A. Khokhlov, A. Maximov, G. Reicherz, Josef Pochodzalla, I. Ludwig, Naoaki Horikawa, M. Ostrick, Aram Kotzinian, R. Windmolders, A.A. Nozdrin, J. Nassalski, M. Giorgi, R. Bertini, Andrea Ferrero, Oleg V. Ivanov, R. Joosten, S. Dalla Torre, A. N. Sissakian, J.M. Friedrich, V.D. Samoylenko, Yu. Alexandrov, P. Fauland, Christian Schill, C. Marchand, M.E. Ladygin, V.F. Obraztsov, M. Finger, E. Weise, L. Ferrero, D. Kang, M.L. Colantoni, K. Königsmann, S. Hedicke, A. Colavita, S. Horikawa, R. C. Webb, A.M. Dinkelbach, K. Platzer, V.N. Bytchkov, A.V. Dolgopolov, S. Procureur, K. Kowalik, A.B. Sadovski, L. Cerini, V.I. Tretyak, J. Pretz, A. Grünemaier, G.V. Krivokhizhin, O.A. Grajek, N.A. Koutchinski, M. von Hodenberg, A. Sandacz, F. Karstens, U. Wiedner, S. S. Dasgupta, G.V. Khaustov, L. Schmitt, A. Grasso, M. Stolarski, J. Franz, L. G. Tkatchev, F. Stinzing, Grzegorz Brona, Miroslav Sulc, D. Thers, Anna Zanetti, A. Janata, Franco Bradamante, Gerhard K. Mallot, J. Ehlers, F. Kunne, V.V. Tchalishev, N.I. Jouravlev, S. Costa, E. Burtin, V.F. Konstantinov, W. Meyer, Maria Liz Crespo, A.I. Ioukaev, F. Sozzi, R. Hermann, E. M. Kabuß, Paolo Pagano, V.P. Sugonyaev, Q. Weitzel, A.A. Popov, S. Ramos, J.H. Koivuniemi, K. Rith, F. Hinterberger, P. Schiavon, S. Panebianco, H. Fischer, K. Medved, Alan D. Martin, Z.V. Kroumchtein, W. Eyrich, T. Hasegawa, A. Chapiro, Murray Moinester, T. Schmidt, D. Neyret, M. A. Faessler, Alessandro Bressan, D. von Harrach, C. Ilgner, Yu.V. Mikhailov, S. Trousov, J. Marzec, R. Geyer, A.G. Olshevsky, St. Goertz, O.Yu. Denisov, C. Heß, A. Magnon, L. Dhara, M. Slunecka, Takahiro Iwata, E. Saller, S. Koblitz, M. Sans, B. Gobbo, B. Badelek, J. Marroncle, A. Teufel, Miroslav Virius, K. Kurek, A. Padee, B. Ketzer, D. Peshekhonov, W. Wiślicki, H. D. Pereira, N.V. Vlassov, S. Wirth, C. Quintans, J. Hannappel, Günter Baum, O.Yu. Shevchenko, I.A. Savin, A. Bravar, V.I. Nikolaenko, R. Garfagnini, H.-W. Siebert, I. Manuilov, V. Falaleev, D. Panzieri, T. Liška, M. Fabro, M. Leberig, A.M. Rozhdestvensky, N. V. Khomutov, J. Ball, G.I. Smirnov, Fabrice Gautheron, T. Matsuda, V. Frolov, V.Yu. Alexakhin, W. Dünnweber, G. D. Alexeev, V.A. Dorofeev, A.S. Korentchenko, F. Tessarotto, R. Kuhn, O. Nähle, V. Kalinnikov, and A. Skachkova
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Muon, 010308 nuclear & particles physics, Hadron, Deep inelastic scattering, 01 natural sciences, Helicity, Gluon, Nuclear physics, 0103 physical sciences, COMPASS experiment, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon
Abstract: We present a determination of the gluon polarization Δ G / G in the nucleon, based on the helicity asymmetry of quasi-real photoproduction events, Q 2 1 ( GeV / c ) 2 , with a pair of large transverse-momentum hadrons in the final state. The data were obtained by the COMPASS experiment at CERN using a 160 GeV polarized muon beam scattered on a polarized 6 LiD target. The helicity asymmetry for the selected events is 〈 A ∥ / D 〉 = 0.002 ± 0.019 ( stat ) ± 0.003 ( syst ) . From this value, we obtain in a leading-order QCD analysis Δ G / G = 0.024 ± 0.089 ( stat ) ± 0.057 ( syst ) at x g = 0.095 and μ 2 ≃ 3 ( GeV / c ) 2 .
Published: 2006

13. Relating , and using a relativistic description of the deuteron structure

Author: V. V. Burov, G.I. Smirnov, Hiroshi Toki, and Alexander Molochkov
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Range (particle radiation), Proton, Deuterium, Nuclear Theory, Structure (category theory), Motion (geometry), Neutron, Interval (mathematics), Nuclear Experiment, Fermi Gamma-ray Space Telescope
Abstract: We propose a practical procedure relating the proton, neutron and deuteron structure functions, which allows one to avoid appreciable theoretical ambiguites, which are present in other analyses largerly due to simplifications in the treatment of Fermi motion. The suggested rigorous consideration is shown to be important in a wide interval of x and not only in the high x range.
Published: 2005

14. Dynamics versus topology in nuclear shadowing

Author: G.I. Smirnov
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Nuclear Theory, Strong interaction, Radius, Topology, Deep inelastic scattering, Atomic and Molecular Physics, and Optics, Nuclear physics, Pion, Nuclear Experiment, Nucleon, Topology (chemistry), Lepton
Abstract: QCD is known to provide dynamical explanation of the nuclear shadowing. On the other hand, the accuracy of available data leaves room for different interpretations of the Q 2 and A dependence of the effect. I show that the onset of the shadowing determined from the deep inelastic scattering of leptons off nuclear targets is A independent in a wide range of Q 2 . If it is confirmed by next generation experiments, the phenomenon might be explained as related to some topological scale, like the ratio of the nucleon radius to the strong interaction radius and/or to the ratio of pion to nucleon masses.
Published: 2001

15. Determination of the pattern of nuclear binding from the data on lepton–nucleus deep inelastic scattering

Author: G.I. Smirnov
Subjects: Nuclear physics, Physics, Physics and Astronomy (miscellaneous), Factorization, EMC effect, Nuclear force, Inelastic scattering, Atomic physics, Nucleon, Deep inelastic scattering, Engineering (miscellaneous), Atomic mass, Lepton
Abstract: Nucleon structure function ratios $r^A(x) = F_2^A(x)/F_2^{\mathrm {D}}(x)$ measured in the range of atomic masses $A \geq 4 $ are analyzed with the aim of determining the pattern of the x and A dependence of $F_2(x)$ modifications caused by the nuclear environment. It is found that the x and A dependence of the deviations of the $r^A(x)$ from unity can be factorized in the entire range of x. The characteristic feature of the factorization is represented with the three cross-over points $x_i$, i = 1–3 in which $r^A(x)= 1 $ independently of A. In the range $x > 0.7$ the pattern of $r^A(x)$ is fixed with $x_3 = 0.84 \pm 0.01$. The pattern of the x dependence is compared with theoretical calculations of Burov, Molochkov and Smirnov to demonstrate that the evolution of the nucleon structure as a function of A occurs in two stages: first for $A \leq 4$ and second for $A > 4$. The long-standing problem of the origin of the EMC effect is understood as a modification of the nucleon structure in the field responsible for the binding forces in a three-nucleon system.
Published: 1999

16. Polarised quark distributions in the nucleon from semi-inclusive spin asymmetries

Author: F. Tessarotto, F. Perrot-Kunne, W. Kröger, E. Burtin, K. Zaremba, Jay Roberts, J. Cranshaw, T. Matsuda, M. Plo, I. Sabo, M. Grosse Perdekamp, A. Karev, K. Haft, V. G. Krivokhijine, S. K. Dhawan, J. Lichtenstadt, S. Platchkov, N. de Botton, Victor Kukhtin, H. Gilly, M. Lamanna, J. H. Moromisato, Clemens A. Heusch, J. S. McCarthy, G. Igo, A. Steinmetz, Patrick Hautle, S. Bültmann, R. Birsa, F. Feinstein, D. von Harrach, J. E.J. Oberski, Takahiro Iwata, A. Ogawa, A. Schiller, D. Thers, Yu. Kisselev, G. Reicherz, D. Crabb, J. A. Garzon, C. Dulya, Naoaki Horikawa, Franco Bradamante, T. Akdogan, B. Roscherr, S. Dalla Torre, H. J. Kessler, G. Bardin, L. Betev, Roland Windmolders, J. Martino, Abhay Deshpande, C. S. Özben, M. Velasco, A. Arvidson, Rudiger Voss, J. Nassalski, M. Giorgi, U. Stiegler, T. Hasegawa, I.A. Savin, D. J. Miller, P. Schiavon, Andrea Bressan, Michal Szleper, A. Gallas, G. K. Mallot, J. Vogt, E. Arik, B. W. Mayes, T. O. Niinikoski, S. Ishimoto, Lawrence Pinsky, A. Witzmann, Y. Miyachi, St. Goertz, F. Lehar, G. Unel, B. Frois, H. Postma, R. van Dantzig, Matias Rodriguez, E. P. Sichtermann, F. Simeoni, G.I. Smirnov, J. Saborido, R. Puntaferro, D. Fasching, G. van Middelkoop, Jinkui Zhao, D. Pose, W. Meyer, Kunikazu Mori, C. A. Whitten, J. Kyynäräinen, A. de Lesquen, J. Pretz, K. Medved, Regine Willumeit, H. Pereira, W. Tlaczala, A. Tripet, G. Gracia, A. Sandacz, N. De Groot, K. Kurek, Anna Zanetti, F. Marie, T. Kageya, A. Rijllart, Bernardo Adeva, E. Rondio, T. Çuhadar, J. M. Le Goff, Heinrich B. Stuhrmann, A. Magnon, J. Ylöstalo, L. Naumann, M. Litmaath, Günter Baum, P. Berglund, B. Derro, E. von Goeler, D. Krämer, W. Wislicki, G. Rädel, S. Eichblatt, Alan D. Martin, B. Badelek, C. Fernandez, N. Hayashi, D. Peshekhonov, A. Bravar, V. W. Hughes, Ulrich Landgraf, A. Staude, T. J. Ketel, S. Forthmann, J. Kiryluk, E. M. Kabuß, (Astro)-Particles Physics, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, G., Bardin, G., Baum, P., Berglund, L., Betev, R., Birsa, N., de Botton, Bradamante, Franco, A., Bravar, Bressan, Andrea, S., Bültmann, E., Burtin, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, Kisselev, Y. u., D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, H., Pereira, F., Perrot Kunne, D., Peshekhonov, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, R., Puntaferro, G., Rädel, A., Rijllart, G., Reicherz, J., Robert, M., Rodriguez, E., Rondio, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, A., Schiller, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, J., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Muon, Valence (chemistry), SMC, Hadron, FOS: Physical sciences, SIDIS, Polarized quark distributions, Deep inelastic scattering, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Deuterium, High Energy Physics::Experiment, Nucleon, Particle Physics - Experiment
Abstract: We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the range $0.003$1 GeV$^2$. Compared to our previous publication on this subject, with the new data the statistical errors have been reduced by nearly a factor of two. From these asymmetries and our inclusive spin asymmetries we determine the polarised quark distributions of valence quarks and non-strange sea quarks at $Q^2$=10 GeV$^2$. The polarised $u$ valence quark distribution, $\Delta u_v(x)$, is positive and the polarisation increases with $x$. The polarised $d$ valence quark distribution, $\Delta d_v(x)$, is negative and the non-strange sea distribution, $\Delta \bar q(x)$, is consistent with zero over the measured range of $x$. We find for the first moments $\int_0^1 \Delta u_v(x) dx = 0.77 \pm 0.10 \pm 0.08$, $\int_0^1 \Delta d_v(x) dx = -0.52 \pm 0.14 \pm 0.09$ and $\int_0^1 \Delta \bar q(x) dx= 0.01 \pm 0.04 \pm 0.03$, where we assumed $\Delta \bar u(x) = \Delta \bar d(x)$. We also determine for the first time the second moments of the valence distributions $\int_0^1 x \Delta q_v(x) dx$., Comment: 17 pages
Published: 1998

17. The spin-dependent structure function g1(x) of the proton from polarized deep-inelastic muon scattering

Author: Michal Szleper, D. Crabb, Heinrich B. Stuhrmann, A. Schiller, Naoaki Horikawa, J. Pretz, A. Rijllart, Bernardo Adeva, T. Kageya, J. Ylöstalo, A. Ogawa, L. Naumann, C. Dulya, I. Sabo, C. A. Whitten, J. Kyynäräinen, A. Tripet, D. Peshekhonov, F. Lehar, V. W. Hughes, G. Gracia, P. Schiavon, A. Sandacz, M. Giorgi, V. G. Krivokhijine, B. Mayes, Rudiger Voss, Yu. Kisselev, S. K. Dhawan, B. Derro, J. S. McCarthy, S. Bültmann, T. O. Niinikoski, Ulrich Landgraf, E. Arik, Alan D. Martin, F. Marie, A. Staude, M. Litmaath, Etienne Burtin, David Miller, Matias Rodriguez, Kunikazu Mori, J. Moromisato, A. Magnon, D. Thers, E. P. Sichtermann, K. Kurek, E. M. Kabuß, E. Rondio, D. Pose, Abhay Deshpande, K. Zaremba, I.A. Savin, T. J. Ketel, M. Plo, F. Feinstein, A. Karev, Matthias Grosse Perdekamp, G. Bardin, A. Witzmann, Patrick Hautle, J. M. Le Goff, G. Igo, J. Kiryluk, Clemens A. Heusch, T. Çuhadar, S. Platchkov, J. Lichtenstadt, R. Birsa, J. A. Garzon, Franco Bradamante, W. Wislicki, A. Steinmetz, P. Berglund, K. Medved, N. De Groot, Anna Zanetti, H. Postma, B. Frois, J. Saborido, W. Tlaczala, B. Roscherr, Lawrence Pinsky, T. Matsuda, S. Ishimoto, U. Stiegler, H. Gilly, G. Unel, F. Simeoni, G.I. Smirnov, R. van Dantzig, R. Puntaferro, J. E.J. Oberski, J. Nassalski, G. van Middelkoop, G. Rädel, W. Meyer, B. Badelek, C. Fernandez, Mayda Velasco, N. Hayashi, L. Betev, F. Perrot-Kunne, S. Eichblatt, A. Bravar, V. Kuktin, J. Cranshaw, D. Fasching, J. Vogt, G. Baum, Takahiro Iwata, G. Reicherz, Roland Windmolders, S. Dalla Torre, A. Arvidson, H. Pereira, A. de Lesquen, St. Goertz, N. de Botton, Andrea Bressan, J. Martino, A. Gallas, G. K. Mallot, Y. Miyachi, M. Lamanna, S. Forthmann, K. Haft, F. Tessarotto, W. Kröger, B., Adeva, E., Arik, A., Arvidson, B., Badelek, G., Bardin, G., Baum, P., Berglund, L., Betev, Birsa, Renato, N., de Botton, Bradamante, Franco, A., Bravar, Bressan, Andrea, S., Bültmann, E., Burtin, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, H., Gilly, Giorgi, Marcello, S., Goertz, G., Gracia, N., de Groot, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, T. J., Ketel, J., Kiryluk, Kisselev, Y. u., V., Krivokhijine, W., Kröger, V., Kuktin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, M., Perdekamp, H., Pereira, F., Perrot Kunne, D., Peshekhonov, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, R., Puntaferro, G., Rädel, A., Rijllart, G., Reicherz, M., Rodriguez, E., Rondio, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, A., Schiller, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, J., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and (Astro)-Particles Physics
Subjects: Physics, Quantum chromodynamics, DIS, Nuclear and High Energy Physics, Particle physics, Muon, Proton, SMC, Scattering, g1 structure function, Perturbative QCD, Deep inelastic scattering, Nuclear physics, Sum rule in quantum mechanics, Nucleon, Particle Physics - Experiment
Abstract: We present a new measurement of the virtual photon proton asymmetry $A_1^{\rm p}$ from deep inelastic scattering of polarized muons on polarized protons in the kinematic range $0.0008 < x < 0.7$ and $0.2 < Q^{2} < 100$ GeV$^{2}$. With this, the statistical uncertainty of our measurement has improved by a factor of $2$ compared to our previous measurements. The spin-dependent structure function $g_{1}^{\rm p}$ is determined for the data with $Q^{2} > 1$ GeV$^{2}$. A perturbative QCD evolution in next-to-leading order is used to determine $g_1^{\rm p}(x)$ at a constant $Q^2$. At $Q^{2} = 10$ GeV$^{2}$ we find, in the measured range, $\int_{0.003}^{0.7} g_{1}^{\rm p}(x){\rm d}x = 0.139 \pm 0.006~({\rm stat})\pm 0.008~({\rm syst)} \pm 0.006~({\rm evol})$. The value of the first moment $\Gamma_{1}^{\rm p} = \int_{0}^{1} g_{1}^{\rm p}(x){\rm d}x$ of $g_{1}^{\rm p}$ depends on the approach used to describe the behaviour of $g_{1}^{\rm p}$ at low $x$. We find that the Ellis-Jaffe sum rule is violated. With our published result for $\Gamma_{1}^{\rm d}$ we confirm the Bjorken sum rule with an accuracy of $\approx 15\%$ at the one standard deviation level.
Published: 1997

18. The spin-dependent structure function g1(x) of the deuteron from polarized deep-inelastic muon scattering

Author: S. Bültmann, T. Kageya, M. Boutemeur, D. Fasching, T. Pussieux, A. Bressan, J. E.J. Oberski, E. M. Kabuß, E. Burtin, T. Matsuda, D.V. Peshekhonov, K. M. Teichert, I. Sabo, Jay Roberts, I.A. Savin, V. G. Krivokhijine, J. Nassalski, J. Zhao, N. de Botton, Victor Kukhtin, A. Bravar, B. W. Mayes, E. Arik, R. Seitz, G. Gratia, W. Tlaczala, J. Cranshaw, H. J. Kessler, Roland Windmolders, M. Lowe, A. Arvidson, J. Martino, A. Gallas, A. Nagaitsev, G. K. Mallot, M. Lamanna, Y. Ylöstalo, David Miller, Aina Yañez, G. Bardin, Drew Parks, L. Naumann, G. Unel, T. O. Niinikoski, J. Lichtenstadt, J. Kyynäräinen, F. Tessarotto, W. Kröger, H. Postma, J. Kiryluk, J. Saborido, M. Litmaath, L. S. Pinsky, P. Schiavon, N. Horikawa, B. Derro, D. von Harrach, M. K. Ballintijn, D. Krämer, Abhay Deshpande, F. Sever, R. Puntaferro, K. P. Schüler, E. Rondio, J. H. Moromisato, Satish Dhawan, G. Baum, F. Feinstein, T. Iwata, Yannis K. Semertzidis, J. Pyrlik, Mayda Velasco, L. Betev, S. Eichblatt, A. Witzmann, Patrick Hautle, P. Björkholm, T. Hasegawa, S. Dalla Torre, J. C. Faivre, L. Klostermann, J. M. Le Goff, F. Marie, J. S. McCarthy, C. Cavata, Regine Willumeit, Matias Rodriguez, C. Dulya, G. van Middelkoop, A. Ogawa, P. Berglund, B. Frois, S. Platchkov, Roy Weinstein, N. De Groot, J. Vogt, E. von Goeler, P. Shanahan, A. Kishi, A. Rosado, G. Rädel, G. Igo, S. Rock, T. Gaussiran, L. V. Kalinovskaya, Clemens A. Heusch, F. Simeoni, G.I. Smirnov, Ricardo Piegaia, T. Çuhadar, A. de Lesquen, J. Pretz, J. A. Garzon, Franco Bradamante, D. Y. Bardin, M. Giorgi, J. Polec, B. Badelek, C. Fernandez, R. Birsa, N. Hayashi, A. Sandacz, F. Perrot-Kunne, C.S. Ozben, S. Trentalange, D. G. Crabb, Yu. Kisselev, W. Wislicki, A. Steinmetz, T. Lindqvist, D. L. Adams, T. Akdogan, D. Pose, A. Rijllart, Bernardo Adeva, A. Dyring, Heinrich B. Stuhrmann, A. Staude, T. J. Ketel, V. W. Hughes, Ulrich Landgraf, A. Karev, F. Lehar, A. Magnon, A. Tripet, B. E. Bonner, M. Grosse-Perdekamp, Rudiger Voss, Michal Szleper, S. Ishimoto, R. van Dantzig, I. G. Bird, E. P. Sichtermann, K. Zaremba, M. Plo, U. Stiegler, Faustino Gómez, Kunikazu Mori, K. Medved, Anna Zanetti, K. Kurek, C. A. Whitten, Anne-Laure Martin, (Astro)-Particles Physics, D., Adam, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, D., Bardin, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, F., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, L., Kalinovskaya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, J., Polec, D., Pose, H., Postma, J., Pretz, R., Puntaferro, T., Pussieux, J., Pyrlik, G., Rädel, G., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, Simeoni, Fabrizio, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, W., Tlaczala, S., Trentalange, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, A., Yañez, Y., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, DIS, Nuclear and High Energy Physics, Strange quark, Muon, SMC, Scattering, g1 structure function, Perturbative QCD, Deep inelastic scattering, Nuclear physics, High Energy Physics::Experiment, Sum rule in quantum mechanics, Nucleon, Particle Physics - Experiment, Spin-½
Abstract: We present a new measurement of the spin-dependent structure function $g_{1}^{\rm d}$ of the deuteron from deep inelastic scattering of 190 GeV polarized muons on polarized deuterons. The results are combined with our previous measurements of $g_{1}^{\rm d}$. A perturbative QCD evolution in next-to-leading order is used to compute $g_{1}^{\rm d}(x)$ at a constant $Q^{2}$. At $Q^{2} = 10$ GeV$^{2}$, we obtain a first moment $\Gamma_{1}^{\rm d} = \int_{0}^{1} g_{1}^{\rm d}{\rm d}x = 0.041 \pm 0.008$, a flavour-singlet axial charge of the nucleon $a_{0} = 0.30 \pm 0.08$, and an axial charge of the strange quark $a_{s} = -0.09 \pm 0.03$. Using our earlier determination of $\Gamma_{1}^{\rm p}$, we obtain $\Gamma_1^{\rm p} - \Gamma_1^{\rm n} = 0.183 \pm 0.035$ at $Q^2 = 10\,\mbox{GeV}^2$. This result is in agreement with the Bjorken sum rule which predicts $\Gamma_1^{\rm p} - \Gamma_1^{\rm n} = 0.186 \pm 0.002$ at the same $Q^2$.
Published: 1997

19. Measurement of the cross section for high-pThadron production in the scattering of160−GeV/cmuons off nucleons

Author: S. Grabmüller, A. Srnka, Michael Kramer, J. Pochodzalla, Ch. Höppner, P.D. Eversheim, J.H. Koivuniemi, M. V. Zavertyaev, C. Marchand, T. Negrini, V. Frolov, K. Schmidt, J.M. Friedrich, V. Rapatsky, Andrea Ferrero, P. Schiavon, Achim Richter, Norihiro Doshita, N. d'Hose, J. Bisplinghoff, S. Koblitz, C. Adolph, R. Jahn, L. Schmitt, I. Uman, S. Takekawa, Oleg V. Ivanov, Miroslav Sulc, F. Hinterberger, D. Kang, K. Königsmann, L. Lauser, A. Maggiora, S. Ramos, François Herrmann, Vladimir Nikolaenko, A. N. Sissakian, A.G. Olshevsky, L. Steiger, A. Padee, G.V. Khaustov, E. Zemlyanichkina, A. Bressan, W. Schröder, O.P. Gavrichtchouk, N. Horikawa, T. Nagel, Yu.V. Mikhailov, L. Sinha, T. Matsuda, N.V. Vlassov, S.S. Dasgupta, R. Gushterski, A.A. Lednev, W. Meyer, Maria Liz Crespo, I.A. Savin, Sergey Donskov, K. Schönning, Alexey Antonov, M. Slunečka, Günter Baum, O.Yu. Shevchenko, S. Levorato, T. Michigami, T. Guthörl, P. Sznajder, D. Neyret, A. Lehmann, A. Mutter, E. M. Kabuss, A. Bravar, S. Sosio, S. Paul, S. Neubert, V. Jary, B. Gobbo, S. Tessaro, A. Mann, Yu. Kisselev, R. Garfagnini, Marcin Stolarski, M. Finger, S. Uhl, N. I. Zhuravlev, M.G. Alekseev, A. Sandacz, F. Nerling, Marcello Giorgi, Federica Sozzi, M. Ziembicki, A.V. Efremov, E. Rondio, Moinester, Michal Dziewiecki, K. Klimaszewski, A. Morreale, S. Schopferer, M. Ostrick, V.D. Samoylenko, Elena Rocco, Lei Wang, M. Virius, Andres Cicuttin, Yu.A. Khokhlov, J. Polak, S. Platchkov, V.N. Kolosov, G. Reicherz, C. Franco, R. Panknin, Anne-Laure Martin, Laura Silva, N.S. Rossiyskaya, F. Haas, Christian Schill, K. Zaremba, G.I. Smirnov, S. Dalla Torre, C. Hess, F. H. Heinsius, J. Pretz, G. Piragino, S. Sarkar, R. Geyer, V.A. Polyakov, A. Grasso, P. Bordalo, C. Quintans, E. Perevalova, Jean-Francois Rajotte, J. Barth, A. Zvyagin, D.I. Ryabchikov, I. Konorov, V. Duic, E. Burtin, V.F. Konstantinov, A.S. Nunes, D. von Harrach, D. Panzieri, A. Austregesilo, G. Sbrizzai, W. Wislicki, Janusz Marzec, S. Dasgupta, C. Elia, Gerhard K. Mallot, T. Liška, L. G. Tkatchev, H. Fischer, A. Amoroso, Maxence Vandenbroucke, R. Joosten, N. du Fresne von Hohenesche, Yu. Alexandrov, S. Ishimoto, T. Schlüter, A. Magnon, Bakur Parsamyan, R. Birsa, R. Kuhn, Roland Windmolders, K. Bicker, A. Korzenev, K. Kondo, L. Dhara, S. Das, C. Braun, M. Chiosso, R. Bertini, T. Iwata, Y. Bedfer, Johannes Bernhard, A. Guskov, B. Badelek, S. U. Chung, K. Kurek, M. Bettinelli, O. Kouznetsov, A. Nagaytsev, F. Balestra, Aram Kotzinian, B. Ketzer, Franco Bradamante, A. Filin, M.G. Sapozhnikov, D.V. Peshekhonov, P. Jasinski, G. Pesaro, J. ter Wolbeek, I. Gnesi, W. Eyrich, Nour Makke, J. Bieling, M. Quaresma, W.-D. Nowak, G.V. Meshcheryakov, Matthias Schott, F. Tessarotto, Z.V. Kroumchtein, O.Yu. Denisov, F. Kunne, G. D. Alexeev, W. Dünnweber, S. G. Gerassimov, Fabrice Gautheron, M. A. Faessler, V.Yu. Alexakhin, R. Sulej, Frank Klein, H. Wollny, Yu. Ivanshin, S. Goertz, J. Lichtenstadt, and B. Grube
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Muon, 010308 nuclear & particles physics, Scattering, Nuclear Theory, Hadron, 01 natural sciences, Nuclear physics, Cross section (physics), 0103 physical sciences, COMPASS experiment, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon
Abstract: The cross section for production of charged hadrons with high transversemomenta in scattering of 160 GeV/c muons off nucleons at low photonvirtualities has been measured at the COMPASS experiment at CERN. The results,which cover transverse momenta from 1.1 to 3.6 GeV/c, are compared to anext-to-leading order perturbative Quantum Chromodynamics (NLO pQCD)calculation in order to evaluate the applicability of pQCD to this process inthe kinematic domain of the experiment. The shape of the calculateddifferential cross section as a function of transverse momentum is found to bein good agreement with the experimental data, but the normalization isunderestimated by NLO pQCD. This discrepancy may point towards the relevance ofterms beyond NLO in the pQCD framework. The dependence of the cross section onthe pseudo-rapidity and on the charge of the hadrons is also discussed.
Published: 2013

20. Проблемы сегодняшней вакцинологии

Author: I.V. Bogadelnikov, A.V. Bobrysheva, Ye.А. Kruger, A.V. Ilyin, and G.I. Smirnov
Subjects: General Earth and Planetary Sciences, vaccination, HIV/AIDS, immunological imprinting, antibody-dependent amplification of infection, вакцинація, ВІЛ/СНІД, імунологічний імпринтинг, антитілозалежне посилення інфекцій, вакцинация, ВИЧ/СПИД, иммунологический импринтинг, антителозависимое усиление инфекций, General Environmental Science
Abstract: The article describes the possible causes of the unpredictable reactions of child’s organism on vaccination and development of severe postvaccinal complications: epidemiological (uncontrolled group of children born from HIV-positive mothers and removed from the register upon reaching 18 monthes, and reduction in the selective pressure of contagious infectious diseases on human); genetic (lack of control and screening over the process of gene polymorphism, and the accumulation of point mutations); ignoring the immunological phenomena (antigenic imprinting and antibody-dependent amplification of infection)., В статье описаны возможные причины появления непредсказуемых реакций организма ребенка на вакцинацию и развития серьезных поствакцинальных осложнений: эпидемиологические (неконтролируемая группа детей, рожденных от ВИЧ-положительных матерей и снятых с учета по достижении 18 мес., а также снижение селективного давления контагиозных инфекционных болезней на человека); генетические (отсутствие контроля и скрининга за процессом полиморфизации генов и накопление точечных мутаций); игнорирование иммунологических феноменов (антигенного импринтинга и антителозависимого усиления инфекции)., У статті описані можливі причини появи непередбачуваних реакцій організму дитини на вакцинацію і розвитку серйозних післявакцинальних ускладнень: епідеміологічні (неконтрольована група дітей, народжених від ВІЛ-позитивних матерів і знятих з обліку по досягненні 18 міс., а також зниження селективного тиску контагіозних інфекційних хвороб на людину); генетичні (відсутність контролю і скринінгу за процесом поліморфізації генів і накопичення точкових мутацій); ігнорування імунологічних феноменів (антигенного імпринтингу і антитілозалежного посилення інфекції).
Published: 2013

21. Polarisation of valence and non-strange sea quarks in the nucleon from semi-inclusive spin asymmetries

Author: S. Lopez-Ponte, Yu. Kisselev, J. C. Faivre, T. O. Niinikoski, Alan D. Martin, Etienne Burtin, F. Marie, E. Rondio, T. Layda, P. Shanahan, M. Plo, K. M. Teichert, G.I. Smirnov, G. Bardin, Jinkui Zhao, R. E. Segel, A. Nagaitsev, J. M. Le Goff, K. P. Schüler, E. Arik, T. Kageya, Jay Roberts, Naoaki Horikawa, M. Grosse Perdekamp, J. H. Moromisato, S. K. Dhawan, D. Crabb, Cristino Pérez, M. Velasco, S. Dalla Torre, I. Sabo, Takahiro Iwata, J. Nassalski, J. Cranshaw, T. Gaussiran, D. J. Miller, S. Eichblatt, W. Wislicki, Iskender Atilla Reyhancan, V. G. Krivokhijine, T. Hasegawa, Michal Szleper, A. Steinmetz, Lawrence Pinsky, Patrick Hautle, J. Vogt, J.A. Garzon, J. S. McCarthy, J. Kyynäräinen, P. Schiavon, T. Matsuda, A. Ogawa, J. E.J. Oberski, S. Rock, I.G. Bird, Sergey M. Sergeev, A. Kishi, C. Fernandez, B. Frois, A. Rosado, M. Lowe, P. Björkholm, F. Sever, M. K. Ballintijn, C. Cavata, A. de Lesquen, H. J. Kessler, Abhay Deshpande, F. Feinstein, Roland Windmolders, E. P. Sichtermann, D. Peshekhonov, A. Arvidson, F. Tessarotto, L. Naumann, W. Kröger, I.A. Savin, V. W. Hughes, J. Martino, G. K. Mallot, Alessandro Bressan, C. Dulya, D. von Harrach, Roy Weinstein, N. De Groot, E. M. Kabuß, Clemens A. Heusch, Kunikazu Mori, R. Birsa, Yannis K. Semertzidis, B. W. Mayes, F. Lehar, J. Pyrlik, Ricardo Piegaia, K. Medved, E. Gülmez, R. Seitz, M. Giorgi, J. Pretz, D. Fasching, L. Betev, T. Pussieux, Aldo Penzo, G. Gracia, G. van Middelkoop, Ulrich Landgraf, N. de Botton, A. Sandacz, H. Postma, A. Witzmann, M. Lamanna, J. Saborido, L. Klostermann, Matias Rodriguez, B. Badelek, N. Hayashi, F. Perrot-Kunne, D. Pose, Regine Willumeit, A. Karev, G. Igo, A. Rijllart, A. Staude, T. Çuhadar, Bernardo Adeva, T. J. Ketel, Franco Bradamante, A. Dyring, Heinrich B. Stuhrmann, Anna Zanetti, C. A. Whitten, Günter Baum, P. Berglund, A. Magnon, E. von Goeler, A. Gomez, S. Platchkov, M. Litmaath, J. Lichtenstadt, D. Krämer, S. Ishimoto, U. Stiegler, R. van Dantzig, B. E. Bonner, C. S. Özben, Rudiger Voss, S. Bültmann, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, R., Birsa, P., Björkholm, B. E., Bonner, N., de Botton, Bradamante, Franco, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, A., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, E., Gülmez, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, J., Kyynäräinen, M., Lamanna, U., Landgraf, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, A., Penzo, C., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, I., Reyhancan, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, Y., Semertzidi, S., Sergeev, F., Sever, P., Shanahan, E. P., Sichtermann, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, J., Zhao, and (Astro)-Particles Physics
Subjects: Physics, Quark, Nuclear and High Energy Physics, Particle physics, Muon, Valence (chemistry), spin dependent parton distribution, High Energy Physics::Phenomenology, Hadron, Nuclear Theory, Deep inelastic scattering, valence quarks, Nuclear physics, Distribution function, spin dependent parton distributions, Deuterium, deep inelastic scattering, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Nucleon, Particle Physics - Experiment
Abstract: We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the range 0.003
Published: 1996

22. On the universality of the x and A dependence of the EMC effect and its relation to parton distributions in nuclei

Author: G.I. Smirnov
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Scattering, Structure function, EMC effect, FOS: Physical sciences, Parton, Universality (dynamical systems), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Nuclear density
Abstract: It is shown that the latest results from the NMC (CERN) and E665 (Fermilab) groups on $F_2^A(x)/F_2^D(x)$ obtained in the shadowing region bring new evidence of the universal $A$ dependence of distortions made in a free-nucleon structure function by a nuclear medium. The observed universality implies that one can consider separately hard ($A\leq$ 4) and soft ($A>$ 4) parton distribution distortions. Soft distortions, which result in differencies between the deep-inelastic scattering cross-sections for nuclei with masses $A_1$, $A_2 \geq$ 4, can be explained as a consequence of the nuclear density variation, independent of $x$ in the range 0.001 $\leq x \leq$ 0.7. It is found that nuclear shadowing begins at $x_{\rm I}$ = 0.0615 $\pm$ 0.0024, independent of $A$, which is consistent with models that allow for three-parton recombination processes., 11 pages (LaTeX) and 4 Postscript figures in uuencoded compressed file
Published: 1995

23. Nonlinear interference effects of laser photoionization of atoms near the surface

Author: V V Antsiferov, G. G. Telegin, and G.I. Smirnov
Subjects: Physics, media_common.quotation_subject, Photoionization mode, Resonance, Photoionization, Electron, Asymmetry, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Electron transfer, Autoionization, Atom, Physics::Atomic and Molecular Clusters, Physics::Atomic Physics, Electrical and Electronic Engineering, Physical and Theoretical Chemistry, Atomic physics, media_common
Abstract: The theory is developed of electron transfers between atoms, which resonantly interact with the coherent radiation, and the surface of the metal. The dependences have been established of spectral resonances of photoabsorption and surface photoionization upon the nonlinear interference effects of the interaction between the discrete atom states and continuum formed by the quasicontinuous electron spectrum of the normal metal. It has been shown that asymmetry of the resonant surface photoionization spectrum manifest in the form, which is rather typical of the Fano autoionization resonance.
Published: 1995

24. Virtual Compton scattering and the generalized polarizabilities of the proton atQ2=0.92and 1.76 GeV2

Author: L. B. Auerbach, C. Cavata, D. J. Margaziotis, K. Kino, A. J. Sarty, Seigo Kato, J. A. Templon, B. Frois, Ronald Ransome, D. Rowntree, R. W. Lourie, Christophe Furget, P. Grenier, M. K. Jones, D. S. Dale, G. W. Miller, H. Voskanyan, C. Jutier, S. Frullani, Z. L. Zhou, C. R. Howell, W. Kahl, M. Khayat, A. T. Katramatou, M. Kuss, J. W. Watson, K. Wijesooriya, W. M. Zhang, J. Jardillier, G.I. Smirnov, David L. Prout, G. Laveissière, A. Deur, G. E. Dodge, J. R. Calarco, G. Fournier, N. Degrande, R. A. Lindgren, J. J. LeRose, R. I. Pomatsalyuk, E. J. Brash, W. U. Boeglin, V. Gorbenko, R. Suleiman, F. T. Baker, S. Platchkov, G. M. Huber, F. Garibaldi, Ronald Gilman, K. McCormick, G. Rutledge, T. Saito, Richard Madey, G. G. Petratos, Z. E. Meziani, K. Arundell, Marc Vanderhaeghen, J. Martino, James J. Kelly, S. Kox, J. Marroncle, L. Cardman, C. E. Hyde, Raphael Noel Tieulent, Z. Papandreou, Pierre A.M. Guichon, F. Merchez, Bogdan Wojtsekhowski, D. Marchand, E. Tomasi-Gustaffson, M. Liang, P. M. Rutt, F. Renard, Shalev Gilad, S. Mehrabyan, G. Quéméner, V. A. Punjabi, D. M. Manley, C. W. de Jager, R. L.J. van der Meer, K. A. Aniol, Nilanga Liyanage, A. Gasparian, B. D. Anderson, G. J. Lolos, M. B. Epstein, Richard Wilson, Branislav Vlahovic, L. C. Alexa, A. Ketikyan, P. E. Ulmer, A. V. Glamazdin, E. A.J.M. Offermann, Jing Zhao, P. Y. Bertin, L. Van Hoorebeke, T. Pussieux, Mauro Iodice, Larry Weinstein, Laird Kramer, T. Terasawa, Vincent Breton, J. Gao, C. F. Perdrisat, C. Marchand, D. Neyret, William Bertozzi, R. Michaels, R. Holmes, H. Fonvieille, D. G. Zainea, Charles Glashausser, C. C. Chang, K. S. Kumar, J. Domingo, Pavel Sorokin, Haiyan Gao, Pete Markowitz, L. Bimbot, R. Di Salvo, J. M. Finn, J. S. Real, Justin I. McIntyre, S. Jaminion, G. Kumbartzki, E. Chudakov, Barbara Pasquini, Latifa Elouadrhiri, N. d'Hose, Roberto Perrino, R. De Leo, M. Baylac, J. O. Hansen, J. P. Chen, R. Van de Vyver, G. M. Urciuoli, J. Berthot, H. Breuer, Kevin Fissum, L. A. Ewell, G. Audit, Kazushige Maeda, J. Mougey, O. Ravel, S. Malov, E. Burtin, M. Holtrop, J. Gomez, Thomas E. Smith, Paul Souder, H. Ueno, S. K. Nanda, Hiroaki Tsubota, S. Kerhoas, L. Todor, A. Leone, A. Saha, E. Voutier, K. Soldi, A. Serdarevic, Sebastien Incerti, Y. Roblin, P. Vernin, and E. Cisbani
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, Chiral perturbation theory, Proton, 010308 nuclear & particles physics, Structure function, Compton scattering, 01 natural sciences, Nuclear physics, Amplitude, Dispersion relation, 0103 physical sciences, Beta (velocity), 010306 general physics
Abstract: Virtual Compton Scattering (VCS) on the proton has been studied at Jefferson Lab using the exclusive photon electroproduction reaction (e p --> e p gamma). This paper gives a detailed account of the analysis which has led to the determination of the structure functions P{sub LL}-P{sub TT}/epsilon and P{sub LT}, and the electric and magnetic generalized polarizabilities (GPs) alpha{sub E}(Q{sup 2}) and beta{sub M}(Q{sup 2}) at values of the four-momentum transfer squared Q{sup 2} = 0.92 and 1.76 GeV{sup 2}. These data, together with the results of VCS experiments at lower momenta, help building a coherent picture of the electric and magnetic GPs of the proton over the full measured Q{sup 2}-range, and point to their non-trivial behavior.
Published: 2012

25. Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries

Author: R. Windmolders, S.U. Chung, L. Schmitt, S. Takekawa, Oleg V. Ivanov, O.P. Gavrichtchouk, P. Jasinski, L. Sinha, T. Matsuda, J. ter Wolbeek, Yu. Alexandrov, G. Baum, Yu. Kisselev, J. Lichtenstadt, S.S. Dasgupta, S. Grabmüller, I. Uman, A. Zvyagin, A. Bressan, M. Ostrick, P.D. Eversheim, H. Suzuki, M.G. Sapozhnikov, E. Rondio, Laura Silva, Bakur Parsamyan, S. Gerassimov, M.G. Alekseev, R. Birsa, N. Horikawa, Sergey Donskov, K. Klimaszewski, A. Srnka, D.V. Peshekhonov, G. Piragino, S. Platchkov, Jean-Francois Rajotte, D.I. Ryabchikov, S. Paul, S. Tessaro, Fabrice Gautheron, Andres Cicuttin, A.S. Nunes, N.V. Vlassov, O.Yu. Shevchenko, S. Levorato, M. A. Faessler, A.G. Olshevsky, J. Pochodzalla, L. Steiger, A. Padee, V. Frolov, K. Zaremba, R. Panknin, G. Pesaro, G. Reicherz, D. Panzieri, S. Ramos, S. Uhl, M. Giorgi, K. Schönning, Alexey Antonov, V.Yu. Alexakhin, Yu.A. Khokhlov, P. Bordalo, D. Kang, N.S. Rossiyskaya, A. Bravar, G.I. Smirnov, S. Dalla Torre, T. Liška, V.A. Polyakov, K. Bicker, D. Neyret, A. Mutter, Michal Dziewiecki, S. Das, Michael Kramer, J. Barth, T. Nagel, J. Pretz, S. Sosio, A. Grasso, I. Gnesi, O.Yu. Denisov, François Herrmann, M. Bettinelli, R. Garfagnini, F. Kunne, R. Jahn, M. Finger, A. Morreale, P. Sznajder, I.A. Savin, Gerhard K. Mallot, G. Sbrizzai, K. Königsmann, C. Hess, S. Koblitz, V. Duic, J.H. Koivuniemi, J. Marzec, A. Korzenev, A.A. Lednev, Yu.V. Mikhailov, A. Lehmann, A. Amoroso, T. Michigami, L. G. Tkatchev, Lei Wang, M. Virius, Matthias Schott, V. Rapatsky, C. Franco, Z.V. Kroumchtein, A. Sandacz, S. Neubert, F. Nerling, A. Maggiora, Sarben Sarkar, A. Richter, F. Tessarotto, N. du Fresne von Hohenesche, E. M. Kabuss, T. Schlüter, E. Rocco, Anne-Laure Martin, J. Polak, M. Stolarski, V.N. Kolosov, Moinester, T. Negrini, I. Konorov, Johannes Bernhard, A. Guskov, W.-D. Nowak, A. Mann, K. Schmidt, T. Iwata, M. V. Zavertyaev, F.H. Heinsius, Christian Schill, W. Eyrich, J.M. Friedrich, Norihiro Doshita, E. Burtin, V.F. Konstantinov, Nour Makke, J. Bieling, C. Adolph, R. Sulej, L. Capozza, K. Kondo, N. d'Hose, J. Bisplinghoff, G. D. Alexeev, A. Nagaytsev, F. Balestra, W. Wislicki, W. Dünnweber, M. Quaresma, A. Magnon, Vladimir Nikolaenko, A. N. Sissakian, Y. Bedfer, Miroslav Sulc, C. Marchand, F. Hinterberger, M. Ziembicki, E. Zemlyanichkina, R. Gushterski, T. Guthörl, A.V. Efremov, Ch. Höppner, F. Haas, R. Geyer, S. Ishimoto, H. Fischer, A. Austregesilo, C. Elia, G.V. Meshcheryakov, L. Dhara, C. Braun, E. Perevalova, B. Badelek, M. Chiosso, R. Joosten, B. Ketzer, A. Filin, K. Kurek, R. Bertini, Andrea Ferrero, Frank Klein, L. Lauser, H. Wollny, Yu. Ivanshin, S. Goertz, B. Grube, M. Slunecka, B. Gobbo, W. Schröder, N. I. Zhuravlev, Federica Sozzi, S. Schopferer, M. Wilfert, C. Quintans, O. Kouznetsov, Franco Bradamante, P. Schiavon, G.V. Khaustov, W. Meyer, Maria Liz Crespo, V. Jary, D. von Harrach, Maxence Vandenbroucke, V.D. Samoylenko, Aram Kotzinian, Physikalisches Institut [Erlangen], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Laboratoire de Physique des Composants à Semiconducteurs (LPCS), École Nationale Supérieure d'Électronique et de Radioélectricité de Grenoble (ENSERG)-Centre National de la Recherche Scientifique (CNRS), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Università degli studi di Verona = University of Verona (UNIVR), Department of Mathematics [Philadelphia], University of Pennsylvania, National Taiwan University [Taiwan] (NTU), Abdus Salam International Centre for Theoretical Physics [Trieste] (ICTP), Laboratoire d'informatique Fondamentale de Marseille (LIF), Aix Marseille Université (AMU)-École Centrale de Marseille (ECM)-Centre National de la Recherche Scientifique (CNRS), Department of Zoology, Visva-Bharati University, Université Antonine (UA), Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT), Laboratoire sur le langage, le cerveau et la cognition (L2C2), École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Archeobotanica e Paleoecologia, Università del Salento [Lecce], Physikalisches Institut [Freiburg], Albert-Ludwigs-Universität Freiburg, Institut für Ionenphysik und Angewandte Physik - Institute for Ion Physics and Applied Physics [Innsbruck], Leopold Franzens Universität Innsbruck - University of Innsbruck, Department of Environmental and Materials Engineering, Nagoya Institute, Institute for Computing and Information Sciences [Nijmegen] (ICIS), Radboud University [Nijmegen], Laboratory of Molecular Immunology, Rockefeller University [New York], University of Manchester [Manchester], Université de Caen Normandie (UNICAEN), Normandie Université (NU), Department of Otolaryngology - Head and Neck Surgery, Department of Medecine [Montréal], McGill University = Université McGill [Montréal, Canada]-McGill University = Université McGill [Montréal, Canada], Centre for Research on Brain, Language and Music, International Laboratory for Brain, Music and Sound Research (BRAMS), Princeton University, aucun, Symadrem, Analyse, Géométrie et Modélisation (AGM - UMR 8088), Centre National de la Recherche Scientifique (CNRS)-CY Cergy Paris Université (CY), Franco-czech Laboratory for clinical research on obesity, Charles University [Prague] (CU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut de Chimie des Substances Naturelles (ICSN), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Institute of Environmental Physics [Bremen] (IUP), University of Bremen, University of Cambridge [UK] (CAM), National School of Mountain Sports/National Ski-Nordic Centre, Institut des Biomolécules Max Mousseron [Pôle Chimie Balard] (IBMM), Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Centre de Mise en Forme des Matériaux (CEMEF), Mines Paris - PSL (École nationale supérieure des mines de Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Departamento de Matemática e Aplicações (DMA), Universidade do Minho = University of Minho [Braga], Imagerie et modélisation Vasculaires, Thoraciques et Cérébrales (MOTIVATE), Centre de Recherche en Acquisition et Traitement de l'Image pour la Santé (CREATIS), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), COMPASS, Luminescent Materials Laboratory, Department of Biotechnology, University of Verona, University of Pennsylvania [Philadelphia], Centre National de la Recherche Scientifique (CNRS)-École Centrale de Marseille (ECM)-Aix Marseille Université (AMU), Université Antonine, Université Antonine, Faculté d'ingénieurs, École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Radboud university [Nijmegen], Institut National de la Santé et de la Recherche Médicale (INSERM)-Charles University [Prague] (CU), MINES ParisTech - École nationale supérieure des mines de Paris, Universidade do Minho, Université Jean Monnet [Saint-Étienne] (UJM)-Hospices Civils de Lyon (HCL)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Jean Monnet [Saint-Étienne] (UJM)-Hospices Civils de Lyon (HCL)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM), C., Adolph, M. G., Alekseev, Alexakhin, V. Y. u., Alexandrov, Y. u., G. D., Alexeev, A., Amoroso, A. A., Antonov, A., Austregesilo, B., Badelek, F., Balestra, J., Barth, G., Baum, Y., Bedfer, J., Bernhard, R., Bertini, M., Bettinelli, K., Bicker, J., Bieling, R., Birsa, J., Bisplinghoff, P., Bordalo, Bradamante, Franco, C., Braun, A., Bravar, Bressan, Andrea, E., Burtin, L., Capozza, M., Chiosso, S. U., Chung, A., Cicuttin, M. L., Crespo, DALLA TORRE, Silvia, S., Da, S. S., Dasgupta, S., Dasgupta, Denisov, O. Y. u., L., Dhara, S. V., Donskov, N., Doshita, Duic, Venicio, W., Duennweber, M., Dziewiecki, A., Efremov, Elia, Carmine, P. D., Eversheim, W., Eyrich, M., Faessler, A., Ferrero, A., Filin, M., Finger, M. Finger j., R., H., Fischer, C., Franco, N., du Fresne von Hohenesche, J. M., Friedrich, V., Frolov, R., Garfagnini, F., Gautheron, O. P., Gavrichtchouk, S., Gerassimov, R., Geyer, Giorgi, Marcello, I., Gnesi, B., Gobbo, S., Goertz, S., Grabmueller, A., Grasso, B., Grube, R., Gushterski, A., Guskov, T., Guthoerl, F., Haa, D., von Harrach, F. H., Heinsiu, F., Herrmann, C., He, F., Hinterberger, N., Horikawa, Hoeppner, C. h., N., D'Hose, S., Ishimoto, O., Ivanov, Ivanshin, Y. u., T., Iwata, R., Jahn, V., Jary, P., Jasinski, R., Joosten, E., Kabu, D., Kang, B., Ketzer, G. V., Khaustov, Khokhlov, Y. u. A., Kisselev, Y. u., F., Klein, K., Klimaszewski, S., Koblitz, J. H., Koivuniemi, V. N., Kolosov, K., Kondo, K., Koenigsmann, I., Konorov, V. F., Konstantinov, A., Korzenev, A. M., Kotzinian, O., Kouznetsov, M., Kraemer, Z. V., Kroumchtein, F., Kunne, K., Kurek, L., Lauser, A. A., Lednev, A., Lehmann, Levorato, Stefano, J., Lichtenstadt, T., Liska, A., Maggiora, A., Magnon, Makke, Nour, G. K., Mallot, A., Mann, C., Marchand, Martin, Anna, J., Marzec, T., Matsuda, G., Meshcheryakov, W., Meyer, T., Michigami, Mikhailov, Y. u. V., M. A., Moinester, A., Morreale, A., Mutter, A., Nagaytsev, T., Nagel, T., Negrini, F., Nerling, S., Neubert, D., Neyret, V. I., Nikolaenko, W. D., Nowak, A. S., Nune, A. G., Olshevsky, M., Ostrick, A., Padee, R., Panknin, D., Panzieri, B., Parsamyan, S., Paul, E., Perevalova, Pesaro, Giulia, D. V., Peshekhonov, G., Piragino, S., Platchkov, J., Pochodzalla, J., Polak, V. A., Polyakov, J., Pretz, M., Quaresma, C., Quintan, J. F., Rajotte, S., Ramo, V., Rapatsky, G., Reicherz, A., Richter, E., Rocco, E., Rondio, N. S., Rossiyskaya, D. I., Ryabchikov, V. D., Samoylenko, A., Sandacz, M. G., Sapozhnikov, S., Sarkar, I. A., Savin, Sbrizzai, Giulio, Schiavon, Paolo, C., Schill, T., Schlueter, K., Schmidt, L., Schmitt, K., Schoenning, S., Schopferer, M., Schott, W., Schroeder, Shevchenko, O. Y. u., L., Silva, L., Sinha, A. N., Sissakian, M., Slunecka, G. I., Smirnov, S., Sosio, Sozzi, Federica, A., Srnka, L., Steiger, M., Stolarski, M., Sulc, R., Sulej, H., Suzuki, P., Sznajder, S., Takekawa, J., Ter Wolbeek, Tessaro, Susanna, F., Tessarotto, L. G., Tkatchev, S., Uhl, I., Uman, M., Vandenbroucke, M., Viriu, N. V., Vlassov, L., Wang, M., Wilfert, R., Windmolder, W., Wislicki, H., Wollny, K., Zaremba, M., Zavertyaev, E., Zemlyanichkina, M., Ziembicki, N., Zhuravlev, and A., Zvyagin
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, media_common.quotation_subject, Hadron, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, Asymmetry, COMPASS, SIDIS, spin asymmetries, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Compass, 0103 physical sciences, 010306 general physics, Nuclear Experiment, media_common, Physics, [PHYS]Physics [physics], Sivers asymmetries, Large Hadron Collider, ta114, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Deep inelastic scattering, Transverse plane, Distribution function, High Energy Physics::Experiment, COMPASS SIDIS TMD Sivers asymmetry, Particle Physics - Experiment
Abstract: The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV positive muon beam and a transversely polarised NH_3 target. The Sivers asymmetry of the proton has been extracted in the Bjorken x range 0.003 0.03. The asymmetry is different from zero and positive also in the low x region, where sea-quarks dominate. The kinematic dependence of the asymmetry has also been investigated and results are given for various intervals of hadron and virtual photon fractional energy. In contrast to the case of the Collins asymmetry, the results on the Sivers asymmetry suggest a strong dependence on the four-momentum transfer to the nucleon, in agreement with the most recent calculations., Comment: 11 pages, 6 figures
Published: 2012

26. Measurement of the Collins and Sivers asymmetries on transversely polarised protons

Author: J. Barth, M.G. Sapozhnikov, D.V. Peshekhonov, Grzegorz Brona, S. Ishimoto, Frank Klein, Gerhard K. Mallot, R. Jahn, G. Pesaro, A. Vossen, F. Sozzi, Johannes Bernhard, A. Guskov, M. Maggiora, R. Bertini, Andrea Ferrero, M. Stolarski, P. Schiavon, A. Bravar, A.A. Lednev, S. Sosio, M. Bettinelli, M. Krämer, S. Koblitz, S. Takekawa, Andrea Bressan, I. Gnesi, L. Lauser, J. Nassalski, M. Ziembicki, I. Konorov, S.S. Dasgupta, A. Korzenev, A. Nagaytsev, F. Balestra, M. Slunecka, F. Nerling, O.P. Gavrichtchouk, L. Sinha, T. Matsuda, Norihiro Doshita, G. Sbrizza, F. Haas, R. Geyer, C. Franco, N. d'Hose, M. V. Zavertyaev, A. El Alaoui, S. Gerassimov, N. Horikawa, G. Jegou, Yu. Ivanshin, Yu. Alexandrov, Sergey Donskov, Bakur Parsamyan, S. Paul, B. Gobbo, A. Srnka, C. Quintans, S. Tessaro, A. N. Sissakian, Yu.V. Mikhailov, G.I. Smirnov, Fabrice Gautheron, W. Schröder, A. Zvyagin, A. Austregesilo, R. Gazda, C. Elia, S. Das, K. Kondo, O.Yu. Denisov, Achim Richter, F. Massmann, S. Ramos, G. Piragino, H. Santos, Yu.A. Khokhlov, N. I. Zhuravlev, M. A. Faessler, Y. Bedfer, Takahiro Iwata, S. Uhl, M. Giorgi, Franco Bradamante, C. Marchand, D. Neyret, A.V. Efremov, R. Konopka, A. Teufel, T. Nagel, S. Schopferer, V.Yu. Alexakhin, W. Eyrich, L. Dhara, J. Pretz, Aram Kotzinian, A. Král, R. Windmolders, R. Kuhn, A. Mutter, P.D. Eversheim, B. Badelek, I.A. Savin, K. Kowalik, E. Kabuss, D. von Harrach, J. Kiefer, K. Zaremba, W. Kafer, S.-U. Chung, J. Marzec, Yu. Kisselev, V.A. Polyakov, R. Sulej, A. Lehmann, L. G. Tkatchev, T. Michigami, P. Jasinski, St. Goertz, B. Ketzer, F. Robinet, A. Filin, S. Grabmüller, Anne-Laure Martin, F. Tessarotto, M. L. Colantoni, E.V. Komissarov, I. Uman, L. Schmitt, F. Kunne, François Herrmann, A. Amoroso, Moinester, H.-W. Siebert, M. Ostrick, V. Diaz, K. Klimaszewski, V.N. Kolosov, Ch. Höppner, R. Hermann, A. Sandacz, T. Schlüter, Andres Cicuttin, E. Burtin, G. Reicherz, V.F. Konstantinov, J.M. Friedrich, Q. Weitzel, S. Neubert, Miroslav Sulc, F. Hinterberger, Christian Schill, S. Dalla Torre, E. Perevalova, J. Pochodzalla, V.D. Samoylenko, S. Platchkov, J. Bisplinghoff, R. Panknin, H. Fischer, M.G. Alekseev, D. Chaberny, Elena Rocco, J. Ball, P. Bordalo, B. Grube, G.B. Pontecorvo, R. Joosten, A. Mann, E. Zemlyanichkina, G.V. Khaustov, D. Kang, K. Königsmann, W. Meyer, Maria Liz Crespo, G. D. Alexeev, C. Ilgner, W. Dünnweber, A. Maggiora, A. Grasso, R. Birsa, J. Lichtenstadt, C. Hess, F.H. Heinsius, A.G. Olshevsky, M. Chiosso, K. Kurek, A. Padee, A. Magnon, J. Polak, S. Sarkar, J.H. Koivuniemi, B. Pawlukiewicz-Kaminska, V. Rapatsky, Jean-Francois Rajotte, D.I. Ryabchikov, A.S. Nunes, D. Panzieri, T. Liška, R. Gushterski, T. Hasegawa, E. Rondio, M.P. Bussa, O.M. Kouznetsov, Z.V. Kroumchtein, J. M. Le Goff, V. Duic, T. Negrini, J. Zhao, W. Wislicki, Laura Silva, Oleg V. Ivanov, H. Wollny, M. Virius, N.V. Vlassov, Günter Baum, O.Yu. Shevchenko, S. Levorato, V.I. Nikolaenko, R. Garfagnini, M. Finger, Alekseev, M. G., Alexakhin, V. Y. u., Alexandrov, Y. u., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badełek, B., Balestra, F., Ball, J., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Birsa, Renato, Bisplinghoff, J., Bordalo, P., Bradamante, Franco, Bravar, A., Bressan, Andrea, Brona, G., Burtin, E., Bussa, M. P., Chaberny, D., Chiosso, M., Chung, S. U., Cicuttin, A., Colantoni, M., Crespo, M. L., DALLA TORRE, Silvia, Das, S., Dasgupta, S. S., Denisov, O. Y. u., Dhara, L., Diaz, V., Donskov, S. V., Doshita, N., Duic, Venicio, Dünnweber, W., Efremov, A., El Alaoui, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., Fischer, H., Franco, C., Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, Marcello, Gnesi, I., Gobbo, B., Goertz, S., Grabmüller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., von Harrach, D., Hasegawa, T., Heinsius, F. H., Hermann, R., Herrmann, F., Heß, C., Hinterberger, F., Horikawa, N., Höppner, C. h., D'Hose, N., Ilgner, C., Ishimoto, S., Ivanov, O., Ivanshin, Y. u., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuß, E., Käfer, W., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konopka, R., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kowalik, K., Krämer, M., Kral, A., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Lauser, L., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, Stefano, Lichtenstadt, J., Liska, T., Maggiora, A., Maggiora, M., Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Martin, Anna, Marzec, J., Massmann, F., Matsuda, T., Meyer, W., Michigami, T., Mikhailov, Y. u. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Pawlukiewicz Kaminska, B., Perevalova, E., Pesaro, Giulia, Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Robinet, F., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, Giulio, Schiavon, Paolo, Schill, C., Schlüter, T., Schmitt, L., Schopferer, S., Schröder, W., Shevchenko, O. Y. u., Siebert, H. W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, Federica, Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Takekawa, Stefano, Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Uhl, S., Uman, I., Virius, M., Vlassov, N. V., Vossen, A., Weitzel, Q., Windmolders, R., Wiślicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhao, J., Zhuravlev, N., and Zvyaginy, A.
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, Proton, media_common.quotation_subject, Sivers asymmetry, Nuclear Theory, Hadron, FOS: Physical sciences, Inelastic scattering, 01 natural sciences, Asymmetry, COMPASS, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, Transverse spin effect, Nuclear Experiment, 010306 general physics, media_common, Physics, Muon, Large Hadron Collider, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Transverse spin effects, Collins asymmetry, Physics::Accelerator Physics, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: The Collins and Sivers asymmetries for charged hadrons produced in deeply inelastic scattering on transversely polarised protons have been extracted from the data collected in 2007 with the CERN SPS muon beam tuned at 160 GeV/c. At large values of the Bjorken x variable non-zero Collins asymmetries are observed both for positive and negative hadrons while the Sivers asymmetry for positive hadrons is slightly positive over almost all the measured x range. These results nicely support the present theoretical interpretation of these asymmetries, in terms of leading-twist quark distribution and fragmentation functions., 9 Pages, 5 figures
Published: 2010

27. Flavour Separation of Helicity Distributions from Deep Inelastic Muon-Deuteron Scattering

Author: K. Zaremba, Soumen Paul, V.A. Polyakov, R. Kuhn, G. Sbrizzai, A. Amoroso, W. Kafer, M. Virius, R. Panknin, I.A. Savin, F. Haas, M. L. Colantoni, R. Geyer, A. Grasso, R. Gazda, T. Nagel, J. Pretz, A. Bravar, S. Sosio, S. Takekawa, C. Franco, S.-U. Chung, A. Srnka, T. Michigami, D. Neyret, K. Kondo, N.V. Vlassov, François Herrmann, W. Wislicki, Jean-Francois Rajotte, D.I. Ryabchikov, O.P. Gavrichtchouk, Günter Baum, O.Yu. Shevchenko, R. Hermann, A. Mutter, L. Sinha, A. Sandacz, S. Levorato, P. Schiavon, D. Panzieri, Laura Silva, Y. Bedfer, T. Liška, T. Matsuda, E.-M. Kabuss, A. Korzenev, Yu.V. Mikhailov, M. Slunecka, Sayantan Sarkar, V.I. Nikolaenko, A. Zvyagin, H. Santos, D. Reggiani, Yu. Kisselev, R. Birsa, Norihiro Doshita, N. d'Hose, A. Chapiro, M. Ziembicki, J. Marzec, St. Goertz, A. N. Sissakian, A.V. Efremov, W. Eyrich, J. Kiefer, Moinester, R. Garfagnini, M. Finger, A. Nagaytsev, F. Balestra, G. Piragino, G. D. Alexeev, W. Dünnweber, Takahiro Iwata, M. Alekseev, I. Konorov, M. Ostrick, E. Perevalova, F. Tessarotto, M. Krämer, O.A. Grajek, G. Jegou, C. Hess, M. Giorgi, M.G. Sapozhnikov, S. Negrini, A. Austregesilo, Yu. Alexandrov, Oleg V. Ivanov, H. Wollny, K. Kowalik, C. Quintans, D.V. Peshekhonov, F.H. Heinsius, G.B. Pontecorvo, A. M. Kotzinian, G.I. Smirnov, J. Marroncle, Bakur Parsamyan, R. Joosten, Fabrice Gautheron, M. A. Faessler, G. Pesaro, L. G. Tkatchev, S. Neubert, V.Yu. Alexakhin, M. Stolarski, Anne-Laure Martin, R. Bertini, S. Das, R. Sulej, L. Schmitt, O.Yu. Denisov, R. Jahn, A. Ferrero, Franco Bradamante, E.V. Komissarov, A.M. Dinkelbach, F. Kunne, P.D. Eversheim, P. Bordalo, J. Nassalski, A.A. Lednev, Miroslav Sulc, F. Hinterberger, E. Burtin, V.F. Konstantinov, J. Ball, A. Mann, Q. Weitzel, F. Nerling, B. Grube, H. Fischer, H.-W. Siebert, K. Wenzl, S. Ishimoto, Frank Klein, Johannes Bernhard, A. Guskov, M. Bettinelli, S. Platchkov, Andrea Bressan, Yu. Ivanshin, L. Dhara, B. Badelek, B. Ketzer, F. Robinet, J.M. Friedrich, J. Bisplinghoff, E. Zemlyanichkina, D. von Harrach, G.V. Khaustov, W. Meyer, Maria Liz Crespo, C. Ilgner, Z.V. Kroumchtein, A. Maximov, V.D. Samoylenko, Elena Rocco, A.G. Olshevsky, J. Zhao, A. Magnon, J. Polak, J.H. Koivuniemi, B. Gobbo, W. Schröder, N. I. Zhuravlev, R. Konopka, A. Teufel, B. Pawlukiewicz-Kaminska, V. Rapatsky, S.S. Dasgupta, V.N. Kolosov, R. Hagemann, Christian Schill, M. Chiosso, T. Dafni, K. Kurek, A. Padee, A. Král, R. Windmolders, T. Hasegawa, E. Rondio, M.P. Bussa, O.M. Kouznetsov, P. Jasinski, J. Barth, J. M. Le Goff, Grzegorz Brona, Gerhard K. Mallot, A. Vossen, F. Sozzi, D. Kang, V. Duic, A. El Alaoui, S. Gerassimov, N. Horikawa, K. Königsmann, Sergey Donskov, S. Koblitz, S. Tessaro, Yu.A. Khokhlov, Ch. Höppner, A. Maggiora, Achim Richter, F. Massmann, S. Ramos, M. V. Zavertyaev, G. Venugopal, C. Marchand, A. Lehmann, V. Diaz, K. Klimaszewski, M. Maggiora, Andres Cicuttin, G. Reicherz, S. Dalla Torre, S. Grabmüller, R. Gushterski, J. Heckmann, J. Pochodzalla, J. Lichtenstadt, Alekseev, M., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, A., Austregesilo, A., Badelek, B., Balestra, F., Ball, J., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Birsa, Renato, Bisplinghoff, J., Bordalo, P., Bradamante, Franco, Bravar, A., Bressan, Andrea, Brona, G., Burtin, E., Bussa, M. P., Chapiro, A., Chiosso, M., Chung, S. U., Cicuttin, A., Colantoni, M., Crespo, M. L., DALLA TORRE, Silvia, Dafni, T., Das, S., Dasgupta, S. S., Denisov, O. Y., Dhara, L., Diaz, V., Dinkelbach, A. M., Donskov, S. V., Doshita, N., Duic, Venicio, Dunnweber, W., Efremov, A., El Alaoui, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., Friedrich, J. M., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, Marcello, Gobbo, B., Goertz, S., Grabmuller, S., Grajek, O. A., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., Hagemann, R., von Harrach, D., Hasegawa, T., Heckmann, J., Heinsius, F. H., Hermann, R., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoppner, C., D'Hose, N., Ilgner, C., Ishimoto, S., Ivanov, O., Ivanshin, Y., Iwata, T., Jahn, R., Jasinski, P., Jegou, G., Joosten, R., Kabuss, E., Kafer, W., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. A., Kiefer, J., Kisselev, Y., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Komissarov, E. V., Kondo, K., Konigsmann, K., Konopka, R., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kowalik, K., Kramer, M., Kral, A., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, Stefano, Lichtenstadt, J., Liska, T., Maggiora, A., Maggiora, M., Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Marroncle, J., Martin, Anna, Marzec, J., Massmann, F., Matsuda, T., Maximov, A. N., Meyer, W., Michigami, T., Mikhailov, Y. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nassalski, J., Negrini, S., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Pawlukiewicz Kaminska, B., Perevalova, E., Pesaro, Giulia, Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polakl, J., Polyakov, V. A., Pontecorvo, G., Pretz, J., Quintans, C., Rajotte, J. F., Ramos, S., Rapatsky, V., Reicherz, G., Reggiani, D., Richter, A., Robinet, F., Rocco, E., Rondio, E., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, Giulio, Schiavon, Paolo, Schill, C., Schmitt, L., Schroder, W., Shevchenko, O. Y., Siebert, H. W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, Federica, Srnka, A., Stolarski, M., Sulc, M., Sulej, R., Takekawa, Stefano, Tessaro, Susanna, Tessarotto, F., Teufel, A., Tkatchev, L. G., Venugopal, G., Virius, M., Viassov, N. V., Vossen, A., Weitzel, Q., Wenzl, K., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhao, J., Zhuravlev, N., and Zvyagin, A.
Subjects: Strange quark, POLARIZED TARGET, Nuclear Theory, VALENCE QUARK DISTRIBUTION, PARTON DISTRIBUTIONS, NUCLEON, PROTON, DIS, Polarised DIS and SIDIS, 01 natural sciences, COMPASS, Parton distribution function, High Energy Physics - Experiment, double-spin asymmetry, helicity density, parton distribution function, flavour sep- aration analysis, polarised DIS and SIDIS reactions, charged kaon asymmetry, polarised DIS and SIDIS reaction, High Energy Physics - Experiment (hep-ex), Helicity density, Nuclear Experiment, media_common, Quantum chromodynamics, Physics, Flavour separation analysis, Helicity, Charged kaon asymmetry, Nucleon, Particle Physics - Experiment, Particle physics, Nuclear and High Energy Physics, reactions, media_common.quotation_subject, FOS: Physical sciences, Asymmetry, Nuclear physics, 0103 physical sciences, flavour sep- aration analysi, Polarised DIS and SIDIS reactions, 010306 general physics, function, Muon, Valence (chemistry), 010308 nuclear & particles physics, Scattering, Parton distribution, High Energy Physics::Experiment, Double-spin asymmetry
Abstract: We present a LO evaluation of helicity densities of valence, \Delta u_v+\Delta d_v, non-strange sea, \Delta\bar{u}+\Delta\bar{d}, and strange quarks, \Delta s (assumed to be equal to \Delta\bar{s}). They have been obtained from the inclusive asymmetry A_{3,d} and the semi-inclusive asymmetries A^{\pi+}_{1,d}, A^{\pi-}_{1,d}, A^{K+}_{1,d}, A^{K-}_{1,d} measured in polarised deep inelastic muon-deuteron scattering. The full deuteron statistics of COMPASS (years 2002-2004 and 2006) has been used. The data cover the range Q^2 > 1 (GeV/c)^2 and 0.004, Comment: 15 pages, 8 figures
Published: 2009

28. Virtual Compton Scattering and Neutral Pion Electroproduction in the Resonance Region up to the Deep Inelastic Region at Backward Angles

Author: Seigo Kato, H. Ueno, K. Wijesooriya, R. Di Salvo, L. C. Alexa, G. W. Miller, H. Voskanyan, C. Jutier, J. Jardillier, E. Voutier, J. A. Templon, G. Rutledge, B. Frois, D. G. Zainea, C. C. Chang, E. Chudakov, David L. Prout, G. Laveissière, T. Terasawa, Vincent Breton, Mauro Iodice, Bogdan Wojtsekhowski, K. S. Kumar, Latifa Elouadrhiri, J. O. Hansen, A. Gasparian, K. Arundell, Pavel Sorokin, Sebastien Incerti, Larry Weinstein, P. Grenier, R. W. Lourie, W. Kahl, J. Berthot, G. Audit, L. B. Auerbach, T. Pussieux, G. Fournier, William Bertozzi, A. Deur, P. Vernin, Pierre A.M. Guichon, Ronald Ransome, Kazushige Maeda, K. Kino, N. Degrande, Pete Markowitz, D. Rowntree, Z. Papandreou, R. L.J. van der Meer, A. T. Katramatou, T. Saito, Richard Madey, Paul Souder, P. M. Rutt, S. K. Nanda, Roberto Perrino, R. De Leo, D. S. Dale, S. Mehrabyan, S. Kerhoas, J. M. Finn, W. U. Boeglin, D. J. Margaziotis, R. I. Pomatsalyuk, A. Ketikyan, L. Todor, A. Leone, M. Baylac, S. Jaminion, Nilanga Liyanage, S. Malov, E. Burtin, M. Holtrop, Thomas E. Smith, Richard Wilson, G. E. Dodge, R. Holmes, J. Marroncle, D. Marchand, E. Tomasi-Gustaffson, S. Platchkov, J. S. Real, J. Martino, Raphael Noel Tieulent, G.I. Smirnov, J. P. Chen, R. Van de Vyver, G. M. Urciuoli, Branislav Vlahovic, R. A. Lindgren, J. J. LeRose, C. R. Howell, Justin I. McIntyre, J. R. Calarco, L. Tiator, L. Bimbot, Arijit Saha, K. Soldi, O. Ravel, Hiroaki Tsubota, A. Serdarevic, C. E. Hyde, Y. Roblin, J. Y. Mougey, G. M. Huber, F. Garibaldi, E. Cisbani, J. Gomez, V. Gorbenko, J. W. Watson, F. Renard, L. Cardman, B. D. Anderson, G. J. Lolos, M. B. Epstein, F. T. Baker, F. Merchez, P. Y. Bertin, Haiyan Gao, M. Liang, G. Quéméner, D. Neyret, N. d'Hose, S. Frullani, Charles Glashausser, M. Khayat, H. Breuer, D. M. Manley, J. Gao, L. Van Hoorebeke, G. G. Petratos, Z. E. Meziani, V. A. Punjabi, L. A. Ewell, Ronald Gilman, K. McCormick, H. Fonvieille, Z. L. Zhou, A. V. Glamazdin, S. Kox, Jing Zhao, C. F. Perdrisat, R. Michaels, C. Marchand, M. K. Jones, C. Furget, P. E. Ulmer, Kevin Fissum, M. Kuss, James J. Kelly, E. J. Brash, Laird Kramer, Shalev Gilad, C. W. de Jager, K. A. Aniol, E. A.J.M. Offermann, C. Cavata, S.S. Kamalov, G. J. Kumbartzki, A. J. Sarty, W. M. Zhang, R. Suleiman, J. Domingo, Laboratoire de Physique Corpusculaire - Clermont-Ferrand (LPC), Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), HALL A, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)
Subjects: Elastic scattering, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Scattering, Compton scattering, Resonance, FOS: Physical sciences, Inelastic scattering, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Deep inelastic scattering, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pion, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Nuclear Experiment (nucl-ex), 010306 general physics, Nucleon, Nuclear Experiment
Abstract: We have made the first measurements of the virtual Compton scattering (VCS) process via the H$(e,e'p)\gamma$ exclusive reaction in the nucleon resonance region, at backward angles. Results are presented for the $W$-dependence at fixed $Q^2=1$ GeV$^2$, and for the $Q^2$-dependence at fixed $W$ near 1.5 GeV. The VCS data show resonant structures in the first and second resonance regions. The observed $Q^2$-dependence is smooth. The measured ratio of H$(e,e'p)\gamma$ to H$(e,e'p)\pi^0$ cross sections emphasizes the different sensitivity of these two reactions to the various nucleon resonances. Finally, when compared to Real Compton Scattering (RCS) at high energy and large angles, our VCS data at the highest $W$ (1.8-1.9 GeV) show a striking $Q^2$- independence, which may suggest a transition to a perturbative scattering mechanism at the quark level., Comment: 20 pages, 8 figures. To appear in Phys.Rev.C
Published: 2009

29. Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS

Author: N. Dedek, Vladimir Peshekhonov, O.P. Gavrichtchouk, R. Birsa, J. Lichtenstadt, R. C. Webb, K. Zaremba, Colin Bernet, A. Srnka, L. Sinha, R. Ziegler, R. Bertini, V.A. Polyakov, D. Kang, K. Königsmann, Andrej Arbuzov, G. Sbrizzai, M. Slunecka, V. Diaz, K. Klimaszewski, Norihiro Doshita, N.P. Kravchuk, W. Wiślicki, A. Amoroso, A.I. Ioukaev, B. Gobbo, S. Gerassimov, N. d'Hose, Massimo Lamanna, Yu. Kisselev, G. Piragino, L. Dhara, C. Ilgner, N. Horikawa, A.M. Dinkelbach, M. Chiosso, W. Schröder, V.P. Sugonyaev, Yu.V. Mikhailov, A. N. Sissakian, Andres Cicuttin, B. Badelek, I. Konorov, Sergey Donskov, T. Iwata, A. Teufel, Yu. Alexandrov, T. Dafni, M. Ostrick, M. Giorgi, A. Maggiora, F. Tessarotto, C. Quintans, G. Reicherz, Jean-Francois Rajotte, B. Ketzer, F. Robinet, S. Paul, S. Tessaro, N.V. Vlassov, K. Kurek, A. Padee, M. von Hodenberg, W. Eyrich, D.I. Ryabchikov, S. Dalla Torre, Günter Baum, O.Yu. Shevchenko, S. Levorato, M. Alekseev, O.Yu. Denisov, F. Kunne, F.H. Heinsius, A.G. Olshevsky, Achim Richter, Z.V. Kroumchtein, A.M. Rozhdestvensky, R. Panknin, E.V. Komissarov, F. Massmann, T. Nagel, J. Pretz, D. Panzieri, S. Ramos, L. Ferrero, A. Magnon, A. Bravar, M.E. Ladygin, S. Sosio, A. Guskov, S. Grabmüller, A. Korzenev, Anne-Laure Martin, N.A. Koutchinski, M.G. Sapozhnikov, T. Matsuda, S. Procureur, G. Venugopal, T. Liška, V.I. Nikolaenko, Yu.A. Khokhlov, H. W. Siebert, C. Heß, D.V. Peshekhonov, M. Bettinelli, L. Schmitt, R. Hermann, E. Rondio, J. Heckmann, Miroslav Sulc, F. Hinterberger, A.V. Efremov, M. Stolarski, Andrea Bressan, C. Franco, A. Janata, A. Grasso, E. M. Kabuß, J. Polak, V.N. Kolosov, A. Sandacz, R. Joosten, R. Garfagnini, J. Nassalski, V.V. Tchalishev, S. Costa, M. Finger, Aram Kotzinian, A. Král, M.P. Bussa, O.M. Kouznetsov, G. Pesaro, P. Schönmeier, Franco Bradamante, R. Windmolders, J.M. Friedrich, J.H. Koivuniemi, E. Burtin, J. Marroncle, K. Kondo, V.F. Konstantinov, Q. Weitzel, J. Pochodzalla, Christian Schill, J. Bisplinghoff, I.A. Savin, Oleg V. Ivanov, H. Wollny, S. Panebianco, D. Reggiani, A. Lehmann, R. De Masi, P. Bordalo, Laura Silva, Y. Bedfer, B. Pawlukiewicz-Kaminska, M. L. Colantoni, P.D. Eversheim, J. M. Le Goff, V. Rapatsky, V.A. Dorofeev, E. Zemlyanichkina, Paolo Pagano, H. Fischer, S. Wirth, J. Ball, V. Duic, P. Schiavon, J. Hannappel, R. Gazda, M. V. Zavertyaev, A. Nagaytsev, K. Nikolaev, F. Balestra, P. Jasinski, J. Zhao, T. Hasegawa, V. Falaleev, V. Frolov, S.S. Dasgupta, A. Mann, A. Chapiro, S. Koblitz, D. Neyret, C. Marchand, Murray Moinester, A. Mutter, L. G. Tkatchev, F. Stinzing, R. Gushterski, J. Barth, A.S. Korentchenko, J. Marzec, St. Goertz, J. Franz, M. Virius, R. Kuhn, S. Neubert, Grzegorz Brona, Gerhard K. Mallot, E. Weise, O. Nähle, A. Vossen, F. Sozzi, S. Neliba, F. Haas, R. Geyer, G. D. Alexeev, W. Dünnweber, G.I. Smirnov, Fabrice Gautheron, M. A. Faessler, V.Yu. Alexakhin, R. Sulej, A. Mielech, S. Ishimoto, Frank Klein, S. Platchkov, M. Maggiora, Yu. Ivanshin, A. Gorin, O.A. Grajek, Sarit K. Das, B. Grube, S. Sarkar, D. von Harrach, A. Maximov, V.D. Samoylenko, Elena Rocco, G.V. Khaustov, N.I. Jouravlev, S. Horikawa, W. Meyer, Maria Liz Crespo, A. Zvyagin, H. Santos, R. Jahn, A. Ferrero, A.A. Lednev, I. Ludwig, F. Nerling, S. Hedicke, Alelseev, M., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, A., Arbuzov, A., Badelek, B., Balestra, F., Ball, J., Barth, J., Baum, G., Bedfer, Y., Bernet, C., Bertini, R., Bettinelli, M., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, Franco, Bravar, A., Bressan, Andrea, Brona, G., Burtin, E., Bussa, M. P., Chapiro, A., Chiosso, M., Cicuttin, A., Colantoni, M., Costa, S., Crespo, M. L., Torre, S. D., Dafni, T., Das, S., Dasgupta, S. S., De Masi, R., Dedek, N., Denisov, O. Y., Dhara, L., Diaz, V., Dinkelbach, A. M., Donskov, S. V., Dorofeev, V. A., Doshita, N., Duic, Venicio, Dunnweber, W., Efremov, A. V., Eversheim, P. D., Eyrich, W., Faessler, M., Falaleev, V., Ferrero, A., Ferrero, L., Finger, M., Fischer, H., Franco, C., Franz, J., Friedrich, J. M., Frolov, V., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. R., Gazda, R., Gerassimov, S., Geyer, R., Giorgi, Marcello, Gobbo, B., Goertz, S., Gorin, A. M., Grabmuller, S., Grajek, O. A., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Haas, F., Hannappel, J., von Harrach, D., Hasegawa, T., Heckmann, J., Hedicke, S., Heinsius, F. H., Hermann, R., Hess, C., Hinterberger, F., von Hodenberg, M., Horikawa, N., Horikawa, S., D'Hose, N., Ilgner, C., Loukaev, A. I., Ishimoto, S., Ivanov, O., Ivanshin, Y., Iwata, T., Jahn, R., Janata, A., Jasinski, P., Jouravlev, N. I., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Y. A., Kisselev, Y., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Komissarov, E. V., Kondo, K., Konigsmann, K., Konorov, I., Konstantinov, V. F., Korentchenko, A. S., Korzenev, A., Kotzinian, A. M., Koutchinski, N. A., Kouznetsov, O., Kral, A., Kravchuk, N. P., Kroumchtein, Z. V., Kuhn, R., Kunne, F., Kurek, K., Ladygin, M. E., Lamanna, M., Le Goff, J. M., Lednev, A. A., Lehmann, A., Levorato, Stefano, Lichtenstadt, J., Liska, T., Ludwig, I., Maggiora, A., Maggiora, M., Magnon, A., Mallot, G. K., Mann, A., Marchand, C., Marroncle, J., Martin, Anna, Marzec, J., Massmann, F., Matsuda, T., Maximov, A. N., Meyer, W., Mielech, A., Mikhailov, Y. V., Moinester, M. A., Mutter, A., Nagaytsev, A., Nagel, T., Nahle, O., Nassalski, J., Neliba, S., Nerling, F., Neubert, S., Neyret, D. P., Nikolaenko, V. I., Nikolaev, K., Olshevsky, A. G., Ostrick, M., Padee, A., Pagano, P., Panebianco, S., Panknin, R., Panzieri, D., Paul, S., Pawlukiewicz Kaminska, B., Pesaro, Giulia, Peshekhonov, D. V., Peshekhonov, V. D., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pretz, J., Procureur, S., Quintans, C., Rajotte, J. F., Ramos, S., Rapatsky, V., Reicherz, G., Reggiani, D., Richter, A., Robinet, F., Rocco, E., Rondio, E., Rozhdestvensky, A. M., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Santos, H., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, Giulio, Schiavon, Paolo, Schill, C., Schmitt, L., Schonmeier, P., Schroder, W., Shevchenko, O. Y., Siebert, H. W., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, Federica, Srnka, A., Stinzing, F., Stolarski, M., Sugonyaev, V. P., Sulc, M., Sulej, R., Tchalishev, V. V., Tessaro, S., Tessarotto, F., Teufel, A., Tkatchev, L. G., Venugopal, G., Virius, M., Vlassov, N. V., Vossen, A., Webb, R., Weise, E., Weitzel, Q., Windmolders, R., Wirth, S., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Zhao, J., Ziegler, R., and Zvyagin, A.
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, Sivers asymmetry, Hadron, Nuclear Theory, FOS: Physical sciences, 01 natural sciences, COMPASS, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pion, Identified, Compass, 0103 physical sciences, Transverse spin effects, Deuteron, Collins asymmetry, Transverse spin effect, 010306 general physics, Nuclear Experiment, Physics, Muon, 010308 nuclear & particles physics, Scattering, High Energy Physics::Phenomenology, Transverse single-spin asymmetry, hadrons, Deuterium, Transversity, High Energy Physics::Experiment
Abstract: The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented. The results for charged pions and charged and neutral kaons correspond to all data available, which were collected from 2002 to 2004. For all final state particles both the Collins and Sivers asymmetries turn out to be small, compatible with zero within the statistical errors, in line with the previously published results for not identified charged hadrons, and with the expected cancellation between the u- and d-quark contributions., Comment: 16 pages, 9 figures, added author Efremov, calculated pure kaon asymmetries instead of those for experimental kaon/pion mixture (mainly error affected)
Published: 2009

30. A high statistics measurement of the deuteron structure functions F2(x, Q2) and R from deep inelastic muon scattering at high Q2

Author: R. Tirler, Victor Kukhtin, K. M. Teichert, M. Cribier, G. Sultanov, Rudiger Voss, G.I. Smirnov, Y. Sacquin, G. Smadja, Ahmimed Ouraou, U. Meyer-Berkhout, G. Bruni, P.T. Todorov, Dante Bollini, J. Feltesse, A. Milsztajn, Yu.T. Kiryushin, V.I. Genchev, Francesco Navarria, E.V. Telyukov, S. Nemecek, Wolfgang Lohmann, A. Argento, V.G. Krivokhizhin, R. Kopp, S.A. Baranov, Č. Zupančič, P. Zavada, I.A. Savin, R. Lednicky, Alberto Benvenuti, M. Virchaux, A.G. Volodko, A. Staude, L. Piemontese, J. Strachota, D. Jamnik, Igor Golutvin, and P. Reimer
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Muon, Scattering, Perturbative QCD, Deep inelastic scattering, Nuclear physics, Deuterium, Statistics, High Energy Physics::Experiment, Nucleon, Scaling, Particle Physics - Experiment
Abstract: We present results on a high statistics study of the nucleon structure functions F2(x, Q2) and R=σL/σT measured in deep inelastic scattering of muons on a deuterium target. The analysis is based on 8×105 events after all cuts, recorded at beam energies of 120, 200 and 280 GeV in the kinematic range 0.06⩽ × ⩽0.80 and 8GeV2⩽Q2⩽260GeV2. Scaling violations observed in the data are in agreement with predictions of perturbative QCD and allow to determine the QCD mass scale parameter Λ.
Published: 1990

31. A comparison of the structure functions F2 of the proton and the neutron from deep inelastic muon scattering at high Q2

Author: Alberto Benvenuti, A. Staude, R. Lednicky, G.I. Smirnov, Ahmimed Ouraou, Rudiger Voss, K. M. Teichert, A. Milsztajn, G. Bruni, G. Smadja, Č. Zupančič, Francesco Navarria, M. Virchaux, Wolfgang Lohmann, Dante Bollini, V.G. Krivokhizhin, I.A. Savin, U. Meyer-Berkhout, S. Nemecek, V.I. Genchev, and G. Sultanov
Subjects: Quark, Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Muon, Proton, Scattering, High Energy Physics::Phenomenology, Nuclear Theory, Parton, Nuclear physics, Deuterium, High Energy Physics::Experiment, Neutron, Nuclear Experiment, Particle Physics - Experiment
Abstract: High statistics data on the structure functions F2 of the proton and the deutron measured with the same apparatus in deep inelastic muon scattering are used to study the ratio of structure functions of neutron and proton F2n/F2p and their difference F2p-F2n. Both measurements are consistent with predictions of the quark-parton model and of QCD.
Published: 1990

32. The Polarised Valence Quark Distribution from semi-inclusive DIS

Author: A. Padee, Yu. Alexandrov, Norihiro Doshita, P. Schiavon, N. d'Hose, Laura Silva, Sayantan Sarkar, A. N. Sissakian, A. Bravar, A. Chapiro, S. Sosio, V. Diaz, K. Klimaszewski, M. Maggiora, G. D. Alexeev, W. Dünnweber, A. Zvyagin, Soumen Paul, H. Santos, F. Tessarotto, M. Chiosso, Andres Cicuttin, R. Kuhn, S. Dasgupta, J. Polak, D. Kang, K. Königsmann, C. Franco, V.N. Kolosov, C. Ilgner, J. Nassalski, O. Nähle, J. Zhao, G. Reicherz, S. Dalla Torre, M.G. Sapozhnikov, V.A. Dorofeev, Christian Schill, T. Nagel, J. Pretz, L. Ferrero, Jean-Francois Rajotte, R. Gazda, Massimo Lamanna, Yu. Kisselev, C. Quintans, D.I. Ryabchikov, Colin Bernet, A. Srnka, T. Hasegawa, O.P. Gavrichtchouk, D.V. Peshekhonov, M. Stolarski, G.V. Khaustov, A. Maggiora, J. Franz, S. Das, A.S. Korentchenko, D. Panzieri, G.I. Smirnov, Fabrice Gautheron, L. Sinha, M. Ostrick, M. A. Faessler, Andrej Arbuzov, S. Procureur, T. Liška, O.A. Grajek, R. Jahn, A. Ferrero, Achim Richter, F. Massmann, S. Ramos, N.I. Jouravlev, S. Horikawa, V.Yu. Alexakhin, W. Meyer, Maria Liz Crespo, D. Neyret, A. Sandacz, L. Dhara, B. Badelek, T. Dafni, A. Mutter, K. Kurek, A. Guskov, M. Bettinelli, N.V. Vlassov, V.P. Sugonyaev, T. Matsuda, G. Venugopal, S. Koblitz, R. Sulej, O.Yu. Denisov, F. Kunne, A.A. Lednev, K. Zaremba, Günter Baum, O.Yu. Shevchenko, S. Levorato, Andrea Bressan, Franco Bradamante, I. Ludwig, G. Piragino, V.A. Polyakov, J. Marzec, B. Ketzer, S. Grabmüller, F. Robinet, L. G. Tkatchev, A.M. Rozhdestvensky, Z.V. Kroumchtein, E.V. Komissarov, F. Nerling, A. Maximov, J. Heckmann, M. Giorgi, R. Panknin, A. Lehmann, St. Goertz, V.I. Nikolaenko, A. Amoroso, V.D. Samoylenko, Elena Rocco, J. Ball, S. Hedicke, J.M. Friedrich, L. Schmitt, E. M. Kabuß, A. Mann, R. Garfagnini, J. Pochodzalla, A.I. Ioukaev, M. Finger, J. Bisplinghoff, F. Stinzing, R. Gushterski, Yu.V. Mikhailov, R. De Masi, P. Bordalo, Alan D. Martin, I.A. Savin, A. Janata, A. Grasso, M. L. Colantoni, Oleg V. Ivanov, H. Wollny, M. V. Zavertyaev, E. Zemlyanichkina, Paolo Pagano, Takahiro Iwata, E. Rondio, D. von Harrach, P. Schönmeier, M. Slunecka, V. Falaleev, C. Heß, E. Burtin, C. Marchand, V.F. Konstantinov, J. Marroncle, O.M. Kouznetsov, N. Dedek, W. Wiślicki, Murray Moinester, Q. Weitzel, J. M. Le Goff, S. Neubert, S. Wirth, J. Hannappel, V. Duic, B. Gobbo, Miroslav Sulc, F. Hinterberger, M. Virius, Vladimir Peshekhonov, R. Birsa, E. Weise, W. Schröder, J. Lichtenstadt, H. Fischer, B. Grube, P.D. Eversheim, V. Frolov, R. C. Webb, A. Teufel, A. Mielech, S. Ishimoto, Frank Klein, M.E. Ladygin, S. Platchkov, N.A. Koutchinski, R. Hermann, Yu. Ivanshin, A. Gorin, S. Gerassimov, N. Horikawa, Sergey Donskov, S. Tessaro, Yu.A. Khokhlov, H. W. Siebert, J. Barth, Grzegorz Brona, Gerhard K. Mallot, A. Vossen, F. Sozzi, Aram Kotzinian, A. Král, R. Windmolders, K. Nikolaev, P. Jasinski, V.V. Tchalishev, S. Costa, J.H. Koivuniemi, S. Panebianco, B. Pawlukiewicz-Kaminska, V. Rapatsky, F.H. Heinsius, A.G. Olshevsky, A. Magnon, I. Konorov, A. Korzenev, D. Reggiani, A. Nagaytsev, F. Balestra, S. Neliba, F. Haas, R. Geyer, N.P. Kravchuk, W. Eyrich, R. Bertini, A.M. Dinkelbach, M. von Hodenberg, K. Kondo, Maria Pia Bussa, Y. Bedfer, M. Alekseev, R. Joosten, R. Ziegler, Alekseev, M, ALEXAKHIN V., Yu, Alexandrov, Yu, ALEXEEV G., D, Amoroso, A, Arbuzov, A, Badelek, B, Balestra, F, Ball, J, Barth, J, Baum, G, Bedfer, Y, Bernet, C, Bertini, R, Bettinelli, M, Birsa, R, Bisplinghoff, J, Bordalo, P, Bradamante, Franco, Bravar, A, Bressan, Andrea, Brona, G, Burtin, E, BUSSA M., P, Chapiro, A, Chiosso, M, Cicuttin, A, Colantoni, M, Costa, S, CRESPO M., L, DALLA TORRE, S, Dafni, T, Das, S, DASGUPTA S., S, DE MASI, R, Dedek, N, DENISOV O., Yu, Dhara, L, Diaz, V, DINKELBACH A., M, DONSKOV S., V, DOROFEEV V., A, Doshita, N, Duic, V, Dünnweber, W, EVERSHEIM P., D, Eyrich, W, Faessler, M, Falaleev, V, Ferrero, A, Ferrero, L, Finger, M, FINGER M., Jr, Fischer, H, Franco, C, Franz, J, FRIEDRICH J., M, Frolov, V, Garfagnini, R, Gautheron, F, GAVRICHTCHOUK O., P, Gazda, R, Gerassimov, S, Geyer, R, Giorgi, M, Gobbo, B, Goertz, S, GORIN A., M, Grabmüller, S, GRAJEK O., A, Grasso, A, Grube, B, Gushterski, R, Guskov, A, Haas, F, Hannappel, J, VON HARRACH, D, Hasegawa, T, Heckmann, J, Hedicke, S, HEINSIUS F., H, Hermann, R, Hess, C, Hinterberger, F, VON HODENBERG, M, Horikawa, N, Horikawa, S, D'Hose, N, Ilgner, C, IOUKAEV A., I, Ishimoto, S, Ivanov, O, Ivanshin, Yu, Iwata, T, Jahn, R, Janata, A, Jasinski, P, Joosten, R, JOURAVLEV N., I, Kabuss, E, Kang, D, Ketzer, B, KHAUSTOV G., V, KHOKHLOV Y. U., A, Kisselev, Yu, Klein, F, Klimaszewski, K, Koblitz, S, KOIVUNIEMI J., H, KOLOSOV V., N, KOMISSAROV E., V, Kondo, K, Königsmann, K, Konorov, I, KONSTANTINOV V., F, KORENTCHENKO A., S, Korzenev, A, KOTZINIAN A., M, KOUTCHINSKI N., A, Kouznetsov, O, Kral, A, KRAVCHUK N., P, KROUMCHTEIN Z., V, Kuhn, R, Kunne, F, Kurek, K, LADYGIN M., E, Lamanna, M, LE GOFF J., M, LEDNEV A., A, Lehmann, A, Levorato, Stefano, Lichtenstadt, J, Liska, T, Ludwig, I, Maggiora, A, Maggiora, M, Magnon, A, MALLOT G., K, Mann, A, Marchand, C, Marroncle, J, Martin, Anna, Marzec, J, Massmann, F, Matsuda, T, MAXIMOV A., N, Meyer, W, Mielech, A, MIKHAILOV Y. U., V, MOINESTER M., A, Mutter, A, Nagaytsev, A, Nagel, T, Nähle, O, Nassalski, J, Neliba, S, Nerling, F, Neubert, S, NEYRET D., P, NIKOLAENKO V., I, Nikolaev, K, OLSHEVSKY A., G, Ostrick, M, Padee, A, Pagano, P, Panebianco, S, Panknin, R, Panzieri, D, Paul, S, PAWLUKIEWICZ KAMINSKA, B, PESHEKHONOV D., V, PESHEKHONOV V., D, Piragino, G, Platchkov, S, Pochodzalla, J, Polak, J, POLYAKOV V., A, Pretz, J, Procureur, S, Quintans, C, RAJOTTE J., F, Ramos, S, Rapatsky, V, Reicherz, G, Reggiani, D, Richter, A, Robinet, F, Rocco, E, Rondio, E, ROZHDESTVENSKY A., M, RYABCHIKOV D., I, SAMOYLENKO V., D, Sandacz, A, Santos, H, SAPOZHNIKOV M., G, Sarkar, S, SAVIN I., A, Schiavon, Paolo, Schill, C, Schmitt, L, Schönmeier, P, Schröder, W, SHEVCHENKO O., Yu, SIEBERT H., W, Silva, L, Sinha, L, SISSAKIAN A., N, Slunecka, M, SMIRNOV G., I, Sosio, S, Sozzi, F, Srnka, A, Stinzing, F, Stolarski, M, SUGONYAEV V., P, Sulc, M, Sulej, R, TCHALISHEV V., V, Tessaro, S, Tessarotto, F, Teufel, A, TKATCHEV L., G, Venugopal, G, Virius, M, VLASSOV N., V, Vossen, A, Webb, R, Weise, E, Weitzel, Q, Windmolders, R, Wirth, S, Wisblicki, W, Wollny, H, Zaremba, K, Zavertyaev, M, Zemlyanichkina, E, Zhao, J, Ziegler, R, and Zvyagin, A.
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, magnetic spectrometer: COMPASS, Structure functions, media_common.quotation_subject, Hadron, polarization: longitudinal, FOS: Physical sciences, polarized target, cross section: ratio, Deep inelastic scattering, muon deuteron: deep inelastic scattering, 01 natural sciences, Asymmetry, x-dependence, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), charged particle: multiple production, negative particle: electroproduction, Experiment-HEP, 13.88.+e, 0103 physical sciences, structure function: moment, 010306 general physics, Nuclear Experiment, media_common, Physics, Quantum chromodynamics, Muon, Valence (chemistry), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, cross section: difference, CERN SPS, positive particle: electroproduction, Deuterium, quark: valence, High Energy Physics::Experiment, muon: polarized beam, quark: polarization, 140-180 GeV, spin: asymmetry, 13.60.Hb, Particle Physics - Experiment, experimental results
Abstract: The semi-inclusive difference asymmetry A^{h^{+}-h^{-}} for hadrons of opposite charge has been measured by the COMPASS experiment at CERN. The data were collected in the years 2002-2004 using a 160 GeV polarised muon beam scattered off a large polarised ^6LiD target and cover the range 0.006 < x < 0.7 and 1 < Q^2 < 100 (GeV/c)^2. In leading order QCD (LO) the asymmetry A_d^{h^{+}-h^{-}} measures the valence quark polarisation and provides an evaluation of the first moment of Delta u_v + Delta d_v which is found to be equal to 0.40 +- 0.07 (stat.) +- 0.05 (syst.) over the measured range of x at Q^2 = 10 (GeV/c)^2. When combined with the first moment of g_1^d previously measured on the same data, this result favours a non-symmetric polarisation of light quarks Delta u-bar = - Delta d-bar at a confidence level of two standard deviations, in contrast to the often assumed symmetric scenario Delta u-bar = Delta d-bar = Delta s-bar = Delta s., 7 pages, 3 figures, COMPASS, revised: details added, author list updated
Published: 2007

33. The Deuteron Spin-dependent Structure Function g1(d) and its First Moment

Author: Daniel Matthiä, F. Massmann, S. Ramos, K. Kondo, T. Matsuda, G. Venugopal, Y. Bedfer, J. Nassalski, P.D. Eversheim, J. Franz, A. Lehmann, S.S. Dasgupta, L. Dhara, K. Kowalik, V. Frolov, F. Tessarotto, B. Badelek, L. Masek, S. Gerassimov, N. Horikawa, D.I. Ryabchikov, B. Ketzer, J. Marroncle, V.P. Sugonyaev, L. G. Tkatchev, Sergey Donskov, D. Panzieri, J. Lichtenstadt, A. Maximov, S. Paul, I. Ivanchin, N.P. Kravchuk, T. Liška, V.D. Samoylenko, V. Diaz, K. Klimaszewski, K. Zaremba, D. Seeharsch, Michael Seimetz, S. Tessaro, V.A. Polyakov, R. Bertini, Andrea Ferrero, A. Amoroso, Colin Bernet, Andres Cicuttin, J. Hannappel, P. Fauland, W. Schroeder, A.M. Rozhdestvensky, R. Ziegler, Yu.A. Khokhlov, A. Srnka, V.F. Obraztsov, A.M. Dinkelbach, A.V. Efremov, H.-W. Siebert, A. Janata, G.V. Khaustov, G. Reicherz, M. Leberig, J. Kubart, Aram Kotzinian, Daniel B. Kramer, R. C. Webb, M. Becker, Z.V. Kroumchtein, R. Windmolders, N.I. Jouravlev, S. Horikawa, E.V. Komissarov, S. Dalla Torre, W. Meyer, Maria Liz Crespo, M.E. Ladygin, M. von Hodenberg, O.A. Grajek, T. Iwata, W. Eyrich, A. Grasso, F.H. Heinsius, K. Kurek, J.M. Friedrich, J. Bisplinghoff, C. Quintans, C. Ilgner, A. Guskov, M. Bettinelli, D. Demchenko, Alessandro Bressan, D. Setter, C. Marchand, S. Koblitz, A. Padee, I. Horn, N.V. Vlassov, K. Nikolaev, D. von Harrach, E. Zemlyanichkina, Günter Baum, O.Yu. Shevchenko, Paolo Pagano, Yu. Alexandrov, Norihiro Doshita, E. M. Kabuß, A. Magnon, N. Dedek, N.A. Koutchinski, N. d'Hose, I.A. Savin, J. Ball, V.I. Nikolaenko, Massimo Lamanna, Yu. Kisselev, J. Zhao, A. N. Sissakian, R. Hermann, J. Polak, V.N. Kolosov, R. Garfagnini, F. Stinzing, Vladimir Peshekhonov, R. Birsa, M. Ostrick, V.A. Dorofeev, M.G. Sapozhnikov, V.V. Tchalishev, M. Finger, O. Kouznetsov, Yu.V. Mikhailov, Christian Schill, V.N. Bytchkov, S. Costa, Sarit K. Das, S. Goertz, D.V. Peshekhonov, J.H. Koivuniemi, E. Rondio, Franco Bradamante, O.Yu. Denisov, Oleg V. Ivanov, L. Schmitt, S. Panebianco, J. Barth, M.P. Bussa, A.I. Ioukaev, G.B. Pontecorvo, Victor Kukhtin, Alan D. Martin, P. Schiavon, T. Nagel, J. M. Le Goff, J. Pretz, L. Ferrero, V. Duic, A. Chapiro, M. Stolarski, F. Kunne, S. Procureur, C. Heß, A.A. Popov, B. Grube, Murray Moinester, E. Burtin, V.F. Konstantinov, Sebastian Trippel, A. Sandacz, M. Slunecka, W. Wiślicki, A.S. Korentchenko, B. Gobbo, A. Mielech, Frank Klein, Q. Weitzel, M. Virius, A. Teufel, R. Kuhn, S. Platchkov, M. Maggiora, O. Nähle, H. Fischer, E. Weise, A.G. Olshevsky, T. Hasegawa, A. Gorin, D. Neyret, J. Marzec, G.V. Krivokhizhin, Miroslav Sulc, F. Hinterberger, O.P. Gavrichtchouk, L. Sinha, G. Piragino, M.G. Alexeev, A.A. Nozdrin, M. Giorgi, Grzegorz Brona, Gerhard K. Mallot, F. Sozzi, A. Zvyagin, H. Santos, A. Colavita, R. Jahn, S. Neliba, F. Haas, R. Geyer, D. Kang, K. Königsmann, A.A. Lednev, I. Ludwig, A. Maggiora, I. Konorov, A. Korzenev, M.L. Colantoni, S. Hedicke, J. Pochodzalla, R. De Masi, P. Bordalo, F. Balestra, M. V. Zavertyaev, G. D. Alexeev, W. Dünnweber, G.I. Smirnov, Fabrice Gautheron, M. A. Faessler, V.Yu. Alexakhin, R. Sulej, R. Joosten, Laura Silva, Alexakhin, V. Y. U., Alexandrov, Y. U., G. D., Alexeev, M., Alexeev, A., Amoroso, B., Badeek, F., Balestra, J., Ball, J., Barth, G., Baum, M., Becker, Y., Bedfer, C., Bernet, R., Bertini, M., Bettinelli, R., Birsa, J., Bisplinghoff, P., Bordalo, Bradamante, Franco, Bressan, Andrea, G., Brona, E., Burtin, M. P., Bussa, V. N., Bytchkov, A., Chapiro, A., Cicuttin, M., Colantoni, A. A., Colavita, S., Costa, M. L., Crespo, N., D'Hose, S., DALLA TORRE, S., Da, S. S., Dasgupta, R., DE MASI, N., Dedek, D., Demchenko, Denisov, O. Y. U., L., Dhara, V., Diaz, A. M., Dinkelbach, S. V., Donskov, V. A., Dorofeev, N., Doshita, V., Duic, W., Dunnweber, A., Efremov, P. D., Eversheim, W., Eyrich, M., Faessler, P., Fauland, A., Ferrero, L., Ferrero, M., Finger, Jr, H., Fischer, J., Franz, J. M., Friedrich, V., Frolov, R., Garfagnini, F., Gautheron, O. P., Gavrichtchouk, S., Gerassimov, R., Geyer, Giorgi, Marcello, B., Gobbo, S., Goertz, A. M., Gorin, O. A., Grajek, A., Grasso, B., Grube, A., Guskov, F., Haa, J., Hannappel, D., VON HARRACH, T., Hasegawa, S., Hedicke, F. H., Heinsiu, R., Hermann, C., He, F., Hinterberger, M., VON HODENBERG, N., Horikawa, S., Horikawa, I., Horn, C., Ilgner, A. I., Ioukaev, I., Ivanchin, O., Ivanov, T., Iwata, R., Jahn, A., Janata, R., Joosten, N. I., Jouravlev, E., Kabu, D., Kang, B., Ketzer, G. V., Khaustov, Khokhlov, Y. U. A., Kisselev, Y. U., F., Klein, K., Klimaszewski, S., Koblitz, J. H., Koivuniemi, V. N., Kolosov, E. V., Komissarov, K., Kondo, K., Konigsmann, I., Konorov, V. F., Konstantinov, A. S., Korentchenko, A., Korzenev, A. M., Kotzinian, N. A., Koutchinski, O., Kouznetsov, K., Kowalik, D., Kramer, N. P., Kravchuk, G. V., Krivokhizhin, Z. V., Kroumchtein, J., Kubart, R., Kuhn, V., Kukhtin, F., Kunne, K., Kurek, M. E., Ladygin, M., Lamanna, J. M., LE GOFF, M., Leberig, A. A., Lednev, A., Lehmann, J., Lichtenstadt, T., Liska, I., Ludwig, A., Maggiora, M., Maggiora, A., Magnon, G. K., Mallot, C., Marchand, J., Marroncle, Martin, Anna, J., Marzec, L., Masek, F., Massmann, T., Matsuda, D., Matthia, A. N., Maximov, W., Meyer, A., Mielech, Mikhailov, Y. U. V., M. A., Moinester, T., Nagel, O., Nahle, J., Nassalski, S., Neliba, D. P., Neyret, V. I., Nikolaenko, K., Nikolaev, A. A., Nozdrin, V. F., Obraztsov, A. G., Olshevsky, M., Ostrick, A., Padee, P., Pagano, S., Panebianco, D., Panzieri, S., Paul, D. V., Peshekhonov, V. D., Peshekhonov, G., Piragino, S., Platchkov, J., Pochodzalla, J., Polak, V. A., Polyakov, G., Pontecorvo, A. A., Popov, J., Pretz, S., Procureur, C., Quintan, S., Ramo, G., Reicherz, E., Rondio, A. M., Rozhdestvensky, D., Ryabchikov, V. D., Samoylenko, A., Sandacz, H., Santo, M. G., Sapozhnikov, IGOR A., Savin, Schiavon, Paolo, C., Schill, L., Schmitt, W., Schroeder, D., Seeharsch, M., Seimetz, D., Setter, Shevchenko, O. Y. U., H. W., Siebert, L., Silva, L., Sinha, A. N., Sissakian, M., Slunecka, G. I., Smirnov, F., Sozzi, A., Srnka, F., Stinzing, M., Stolarski, V. P., Sugonyaev, M., Sulc, R., Sulej, V. V., Tchalishev, S., Tessaro, F., Tessarotto, A., Teufel, L. G., Tkatchev, S., Trippel, G., Venugopal, M., Viriu, N. V., Vlassov, R., Webb, E., Weise, Q., Weitzel, R., Windmolder, W., Wislicki, K., Zaremba, M., Zavertyaev, E., Zemlyanichkina, J., Zhao, R., Ziegler, and A., Zvyagin
Subjects: Nuclear and High Energy Physics, Particle physics, g(1), FOS: Physical sciences, Absolute value, spin, spin structure function g1, 01 natural sciences, COMPASS, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), polarised deep inelastic scattering, deep inelastic scattering, structure function, 0103 physical sciences, COMPASS experiment, A(1), QCD analysis, Singlet state, 010306 general physics, Spin-½, Quantum chromodynamics, Physics, 010308 nuclear & particles physics, Deep inelastic scattering, Gluon, Distribution function, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: We present a measurement of the deuteron spin-dependent structure function g1d based on the data collected by the COMPASS experiment at CERN during the years 2002-2004. The data provide an accurate evaluation for Gamma_1^d, the first moment of g1d(x), and for the matrix element of the singlet axial current, a0. The results of QCD fits in the next to leading order (NLO) on all g1 deep inelastic scattering data are also presented. They provide two solutions with the gluon spin distribution function Delta G positive or negative, which describe the data equally well. In both cases, at Q^2 = 3 (GeV/c)^2 the first moment of Delta G is found to be of the order of 0.2 - 0.3 in absolute value., Comment: fits redone using MRST2004 instead of MRSV1998 for G(x), correlation matrix added
Published: 2007

34. A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target

Author: K. Platzer, V.N. Bytchkov, C. Quintans, Achim Richter, F. Massmann, S. Ramos, T. Matsuda, G. Venugopal, O. Kouznetsov, N.V. Vlassov, A. Zvyagin, Massimo Lamanna, Yu. Kisselev, H. Santos, Franco Bradamante, Günter Baum, O.Yu. Shevchenko, S. Dasgupta, M. Ostrick, M. V. Zavertyaev, V.I. Nikolaenko, A. Lehmann, G.B. Pontecorvo, R. Garfagnini, P. Schiavon, N.P. Kravchuk, Laura Silva, M. Finger, M.E. Ladygin, J.M. Friedrich, G.I. Smirnov, Fabrice Gautheron, A. Chapiro, C. Marchand, V.A. Dorofeev, M. A. Faessler, J. Bisplinghoff, V. Diaz, Murray Moinester, K. Klimaszewski, D.I. Ryabchikov, S. Neliba, Colin Bernet, A. Srnka, F. Haas, R. Geyer, N.A. Koutchinski, W. Eyrich, D. von Harrach, D. Panzieri, A.I. Ioukaev, K. Kurek, Sebastian Trippel, A.G. Olshevsky, T. Hasegawa, T. Nagel, Alan D. Martin, M. Virius, J. Pretz, Andres Cicuttin, G. Reicherz, V.Yu. Alexakhin, R. Jahn, Ulrich Fuchs, Paolo Pagano, T. Liška, R. Sulej, R. Hermann, A.A. Lednev, I. Ludwig, A. Janata, A. Grasso, Victor Kukhtin, Anna Zanetti, L. Ferrero, J. Franz, S. Dalla Torre, G.V. Khaustov, G.V. Krivokhizhin, A.V. Efremov, F. Stinzing, E. Weise, M. Slunecka, M. Leberig, P. Schönmeier, D. Neyret, Sarit K. Das, S. Procureur, C. Heß, A. Padee, M.L. Colantoni, J. Barth, N.I. Jouravlev, S. Horikawa, J. Pochodzalla, W. Wiślicki, B. Gobbo, J. Polak, V.N. Kolosov, Oleg V. Ivanov, Yu.V. Mikhailov, K. Zaremba, S. Hedicke, A. Sandacz, W. Meyer, Maria Liz Crespo, G. D. Alexeev, R. De Masi, P. Bordalo, A.S. Korentchenko, W. Dünnweber, E. M. Kabuß, Michael Seimetz, V.A. Polyakov, C. Ilgner, Christian Schill, E.V. Komissarov, J. Kubart, Daniel Matthiä, A. Teufel, J. Zhao, O.Yu. Denisov, D. Kang, K. Königsmann, Miroslav Sulc, F. Hinterberger, A. Amoroso, P.D. Eversheim, M. Stolarski, Grzegorz Brona, Gerhard K. Mallot, Takahiro Iwata, I.A. Savin, A.A. Popov, F.H. Heinsius, Norihiro Doshita, N. d'Hose, O.P. Gavrichtchouk, J. Marroncle, J. Marzec, A. N. Sissakian, D. Setter, V. Frolov, L. Masek, St. Goertz, L. Sinha, J. Nassalski, A. Maximov, A. Maggiora, S. Koblitz, F. Kunne, V. Falaleev, I. Ivanchin, W. Schroeder, A.M. Rozhdestvensky, I. Horn, R. Kuhn, P. Berglund, V.D. Samoylenko, L. Dhara, E. Rondio, O. Nähle, B. Badelek, V. Kalinnikov, J. Hannappel, G. Piragino, B. Grube, M.P. Bussa, F. Sozzi, Marc Wagner, L. Schmitt, M.G. Alexeev, A.A. Nozdrin, B. Ketzer, J. Ball, M. Giorgi, F. Tessarotto, V.P. Sugonyaev, J. M. Le Goff, K. Kowalik, V. Duic, D. Seeharsch, A. Guskov, N. Dedek, L. G. Tkatchev, M. Bettinelli, Andrea Bressan, D. Demchenko, E. Burtin, Z.V. Kroumchtein, V.F. Konstantinov, Q. Weitzel, M. Becker, Aram Kotzinian, H. Fischer, R. Ziegler, Yu. Alexandrov, R. Windmolders, I. Konorov, Vladimir Peshekhonov, A. Korzenev, R. Birsa, O.A. Grajek, J. Lichtenstadt, F. Balestra, A. Magnon, E.S. Ageev, A. Colavita, S. Gerassimov, N. Horikawa, P. Fauland, Sergey Donskov, S. Paul, S. Tessaro, V.F. Obraztsov, V.V. Tchalishev, T. Toeda, A. Mielech, S. Ishimoto, Frank Klein, Yu.A. Khokhlov, H. W. Siebert, S. Costa, S. Platchkov, M. Maggiora, R. C. Webb, J.H. Koivuniemi, A. Gorin, S. Panebianco, K. Kondo, Y. Bedfer, R. Joosten, R. Bertini, Andrea Ferrero, M.G. Sapozhnikov, D.V. Peshekhonov, A.M. Dinkelbach, Daniel B. Kramer, M. von Hodenberg, AGEEV E., S, ALEXAKHIN V., Yu, Alexandrov, Yu, ALEXEEV G., D, Alexeev, M, Amoroso, A, Badelek, B, Balestra, F, Ball, J, Barth, J, Baum, G, Becker, M, Bedfer, Y, Berglund, P, Bernet, C, Bertini, R, Bettinelli, M, Birsa, R, Bisplinghoff, J, Bordalo, P, Bradamante, Franco, Bressan, Andrea, Brona, G, Burtin, E, BUSSA M., P, BYTCHKOV V., N, Chapiro, A, Cicuttin, A, Colantoni, M, COLAVITA A., A, Costa, S, CRESPO M., L, D'Hose, N, DALLA TORRE, S, Das, S, DASGUPTA S., S, DE MASI, R, Dedek, N, Demchenko, D, DENISOV O., Yu, Dhara, L, Diaz, V, DINKELBACH A., M, DONSKOV S., V, DOROFEEV V., A, Doshita, N, Duic, V, Dünnweber, W, Efremov, A, EVERSHEIM P., D, Eyrich, W, Faessler, M, Falaleev, V, Fauland, P, Ferrero, A, Ferrero, L, Finger, M, FINGER M., Jr, Fischer, H, Franz, J, FRIEDRICH J., M, Frolov, V, Fuchs, U, Garfagnini, R, Gautheron, F, GAVRICHTCHOUK O., P, Gerassimov, S, Geyer, R, Giorgi, Marcello, Gobbo, B, Goertz, S, GORIN A., M, GRAJEK O., A, Grasso, A, Grube, B, Guskov, A, Haas, F, Hannappel, J, VON HARRACH, D, Hasegawa, T, Hedicke, S, HEINSIUS F., H, Hermann, R, Hess, C, Hinterberger, F, VON HODENBERG, M, Horikawa, N, Horikawa, S, Horn, I, Ilgner, C, IOUKAEV A., I, Ishimoto, S, Ivanchin, I, Ivanov, O, Iwata, T, Jahn, R, Janata, A, Joosten, R, JOURAVLEV N., I, Kabuss, E, Kalinnikov, V, Kang, D, Ketzer, B, KHAUSTOV G., V, KHOKHLOV Y. U., A, Kisselev, Yu, Klein, F, Klimaszewski, K, Koblitz, S, KOIVUNIEMI J., H, KOLOSOV V., N, KOMISSAROV E., V, Kondo, K, Königsmann, K, Konorov, I, KONSTANTINOV V., F, KORENTCHENKO A., S, Korzenev, A, KOTZINIAN A., M, KOUTCHINSKI N., A, Kouznetsov, O, Kowalik, K, Kramer, D, KRAVCHUK N., P, KRIVOKHIZHIN G., V, KROUMCHTEIN Z., V, Kubart, J, Kuhn, R, Kukhtin, V, Kunne, F, Kurek, K, LADYGIN M., E, Lamanna, M, LE GOFF J., M, Leberig, M, LEDNEV A., A, Lehmann, A, Lichtenstadt, J, Liska, T, Ludwig, I, Maggiora, A, Maggiora, M, Magnon, A, MALLOT G., K, Marchand, C, Marroncle, J, Martin, Anna, Marzec, J, Masek, L, Massmann, F, Matsuda, T, Matthiä, D, MAXIMOV A., N, Meyer, W, Mielech, A, MIKHAILOV Y. U., V, MOINESTER M., A, Nagel, T, Nähle, O, Nassalski, J, Neliba, S, NEYRET D., P, NIKOLAENKO V., I, NOZDRIN A., A, OBRAZTSOV V., F, OLSHEVSKY A., G, Ostrick, M, Padee, A, Pagano, P, Panebianco, S, Panzieri, D, Paul, S, PESHEKHONOV D., V, PESHEKHONOV V., D, Piragino, G, Platchkov, S, Platzer, K, Pochodzalla, J, Polak, J, POLYAKOV V., A, Pontecorvo, G, POPOV A., A, Pretz, J, Procureur, S, Quintans, C, Ramos, S, Reicherz, G, Richter, A, Rondio, E, ROZHDESTVENSKY A., M, Ryabchikov, D, SAMOYLENKO V., D, Sandacz, A, Santos, H, SAPOZHNIKOV M., G, SAVIN I., A, Schiavon, Paolo, Schill, C, Schmitt, L, Schönmeier, P, Schroeder, W, Seeharsch, D, Seimetz, M, Setter, D, SHEVCHENKO O., Yu, SIEBERT H., W, Silva, L, Sinha, L, SISSAKIAN A., N, Slunecka, M, SMIRNOV G., I, Sozzi, F, Srnka, A, Stinzing, F, Stolarski, M, SUGONYAEV V., P, Sulc, M, Sulej, R, TCHALISHEV V., V, Tessaro, S, Tessarotto, F, Teufel, A, TKATCHEV L., G, Toeda, T, Trippel, S, Venugopal, G, Virius, M, VLASSOV N., V, Wagner, M, Webb, R, Weise, E, Weitzel, Q, Windmolders, R, Wisblicki, W, ZANETTI A., M, Zaremba, K, Zavertyaev, M, Zhao, J, Ziegler, R, and Zvyagin, A.
Subjects: Quark, deuteron, Nuclear and High Energy Physics, Particle physics, Physics::Instrumentation and Detectors, Sivers asymmetry, Hadron, transversity and Sivers function, FOS: Physical sciences, COMPASS, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), nucleon structure, transverse spin and transverse momentum, transversity and Sivers functions, COMPASS experiment, Compass, 0103 physical sciences, Collins, 010306 general physics, Nuclear Experiment, transversity, Physics, Large Hadron Collider, Muon, Spectrometer, 010308 nuclear & particles physics, Scattering, High Energy Physics::Experiment, asymmetry, Particle Physics - Experiment, transverse single-spin asymmetry
Abstract: New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarised 6LiD target are presented. The data were taken in 2003 and 2004 with the COMPASS spectrometer using the muon beam of the CERN SPS at 160 GeV/c. Both the Collins and Sivers asymmetries turn out to be compatible with zero, within the present statistical errors, which are more than a factor of 2 smaller than those of the published COMPASS results from the 2002 data. The final results from the 2002, 2003 and 2004 runs are compared with naive expectations and with existing model calculations., 40 pages, 28 figures
Published: 2006

35. Measurement of the Spin Structure of the Deuteron in the DIS Region

Author: A.A. Shishkin, A. Maggiora, K. Zaremba, J. Marroncle, Colin Bernet, V.A. Polyakov, K. Kowalik, A. Srnka, J. Bisplinghoff, Massimo Lamanna, Yu. Kisselev, E.V. Komissarov, Marc Wagner, U. Wiedner, N.P. Kravchuk, A.K. Konoplyannikov, L. G. Tkatchev, S. Wirth, C. Quintans, J. Hannappel, M. Ostrick, A. Amoroso, N. Dedek, L. Schmitt, M. Slunecka, A. Zvyagin, A.I. Ioukaev, W. Kastaun, R. Kuhn, L. Dhara, B. Badelek, J. Pretz, L. Ferrero, M. Sans, B. Gobbo, P. Berglund, E. Rondio, M.P. Bussa, Alan D. Martin, M.G. Sapozhnikov, S. Goertz, R. Geyer, O. Nähle, V. Kalinnikov, A. Skachkova, B. Ketzer, Yu.V. Mikhailov, A. Teufel, C. Heß, A.M. Rozhdestvensky, N. V. Khomutov, O.P. Gavrichtchouk, Vladimir Peshekhonov, R. Birsa, E. Burtin, V.F. Konstantinov, Q. Weitzel, F. Hinterberger, P. Schiavon, J. M. Le Goff, O.Yu. Denisov, L. Sinha, Aram Kotzinian, R. Windmolders, P.D. Eversheim, V. Duic, M. Wiesmann, J. Reymann, Takahiro Iwata, E. Saller, M.E. Ladygin, J. Ball, A. Chapiro, S. S. Dasgupta, T. Schmidt, N.A. Koutchinski, S. Koblitz, V.A. Dorofeev, K. Medved, J.M. Friedrich, A. Sandacz, J. Franz, A. Grasso, K. Platzer, H. Fischer, R. Jahn, J. Ehlers, D. Peshekhonov, Naoaki Horikawa, V.N. Bytchkov, R. Hermann, R. Ijaduola, W. Wiślicki, H. D. Pereira, Ulrich Fuchs, E. M. Kabuß, C. Ilgner, F. Stinzing, H. Schmitt, K. Rith, F. Karstens, Norihiro Doshita, N. d'Hose, G.I. Smirnov, Fabrice Gautheron, T. Matsuda, V. Frolov, Paolo Pagano, V.N. Kolosov, D. Thers, R. Ziegler, A. N. Sissakian, V.Yu. Alexakhin, A. Janata, J. Nassalski, Christian Schill, J. Lichtenstadt, R. Sulej, A.S. Korentchenko, F. Tessarotto, G. Piragino, V.V. Tchalishev, S. Costa, I. Ludwig, J.H. Koivuniemi, A.A. Nozdrin, W. Dünnweber, A. Bravar, Yu. Alexandrov, S. Panebianco, B. Grube, M. Giorgi, E.S. Ageev, O.A. Grajek, Miroslav Virius, G. D. Alexeev, P. Fauland, C. Marchand, V.F. Obraztsov, H.-W. Siebert, K. Kurek, S. Gerassimov, E. Weise, R. C. Webb, M. Finger, I. Manuilov, Sergey Donskov, M.L. Colantoni, S. Paul, F.H. Heinsius, S. Hedicke, A.G. Olshevsky, Franco Bradamante, A. Colavita, A.V. Dolgopolov, A. Magnon, T. Hasegawa, J. Zhao, G.V. Krivokhizhin, T. Toeda, Anna Zanetti, A. Mielech, S. Ishimoto, Frank Klein, D. Neyret, Yu.A. Khokhlov, S. Platchkov, A. Padee, A. Grünemaier, Miroslav Sulc, A. Gorin, V.P. Sugonyaev, S. Ramos, M. Stolarski, Gerhard K. Mallot, Z.V. Kroumchtein, J. Marzec, F. Sozzi, S. Neliba, I. Konorov, A. Korzenev, F. Balestra, M. Maggiora, Andres Cicuttin, G. Reicherz, Josef Pochodzalla, S. Dalla Torre, M. Fabro, M. Leberig, D. Panzieri, G.V. Khaustov, T. Liška, N.I. Jouravlev, S. Horikawa, I.A. Savin, W. Meyer, Maria Liz Crespo, V. Falaleev, A. Maximov, V.D. Samoylenko, W. Eyrich, M. A. Faessler, Alessandro Bressan, D. von Harrach, Oleg V. Ivanov, R. Joosten, M. Varanda, F. Kunne, V. Diaz Kavka, A.A. Popov, N. Takabayashi, R. De Masi, P. Bordalo, D. Kang, K. Königsmann, A.B. Sadovski, L. Cerini, V.I. Tretyak, N.V. Vlassov, Günter Baum, O.Yu. Shevchenko, K. Kondo, P. Rebourgeard, Y. Bedfer, R. Bertini, Andrea Ferrero, A.M. Dinkelbach, M. von Hodenberg, V.I. Nikolaenko, R. Garfagnini, Murray Moinester, S. Trousov, E. S., Ageev, Alexakhin, V. Y. U., Alexandrov, Y. U., G. D., Alexeev, A., Amoroso, B., Badelek, F., Balestra, J., Ball, G., Baum, Y., Bedfer, P., Berglund, C., Bernet, R., Bertini, R., Birsa, J., Bisplinghoff, P., Bordalo, Bradamante, Franco, A., Bravar, Bressan, Andrea, E., Burtin, M. P., Bussa, V. N., Bytchkov, L., Cerini, A., Chapiro, A., Cicuttin, M., Colantoni, A. A., Colavita, S., Costa, M. L., Crespo, N., D'Hose, S., DALLA TORRE, S. S., Dasgupta, R., DE MASI, N., Dedek, Denisov, O. Y. U., L., Dhara, V., DIAZ KAVKA, A. M., Dinkelbach, A. V., Dolgopolov, S. V., Donskov, V. A., Dorofeev, N., Doshita, Duic, Venicio, W., Dunnweber, J., Ehler, P. D., Eversheim, W., Eyrich, M., Fabro, M., Faessler, V., Falaleev, P., Fauland, A., Ferrero, L., Ferrero, M., Finger, Jr, H., Fischer, J., Franz, J. M., Friedrich, V., Frolov, U., Fuch, R., Garfagnini, F., Gautheron, O. P., Gavrichtchouk, S., Gerassimov, R., Geyer, Giorgi, Marcello, B., Gobbo, S., Goertz, A. M., Gorin, O., Grajek, A., Grasso, B., Grube, A., Grunemaier, J., Hannappel, D., VON HARRACH, T., Hasegawa, S., Hedicke, F. H., Heinsiu, R., Hermann, C., He, F., Hinterberger, M., VON HODENBERG, N., Horikawa, S., Horikawa, R. B., Ijaduola, C., Ilgner, A. I., Ioukaev, S., Ishimoto, O., Ivanov, T., Iwata, R., Jahn, A., Janata, R., Joosten, N. I., Jouravlev, E., Kabu, V., Kalinnikov, D., Kang, F., Karsten, W., Kastaun, B., Ketzer, G. V., Khaustov, Khokhlov, Y. U. A., N. V., Khomutov, Kisselev, Y. U., F., Klein, S., Koblitz, J. H., Koivuniemi, V. N., Kolosov, E. V., Komissarov, K., Kondo, K., Konigsmann, A. K., Konoplyannikov, I., Konorov, V. F., Konstantinov, A. S., Korentchenko, A., Korzenev, A. M., Kotzinian, N. A., Koutchinski, K., Kowalik, N. P., Kravchuk, G. V., Krivokhizhin, Z. V., Kroumchtein, R., Kuhn, F., Kunne, K., Kurek, M. E., Ladygin, M., Lamanna, J. M., LE GOFF, M., Leberig, J., Lichtenstadt, T., Liska, I., Ludwig, A., Maggiora, M., Maggiora, A., Magnon, G. K., Mallot, I. V., Manuilov, C., Marchand, J., Marroncle, Martin, Anna, J., Marzec, T., Matsuda, A. N., Maximov, K. S., Medved, W., Meyer, A., Mielech, Mikhailov, Y. U. V., M. A., Moinester, O., Nahle, J., Nassalski, S., Neliba, D. P., Neyret, V. I., Nikolaenko, A. A., Nozdrin, V. F., Obraztsov, A. G., Olshevsky, M., Ostrick, A., Padee, Pagano, Paolo, S., Panebianco, D., Panzieri, S., Paul, H. D., Pereira, D. V., Peshekhonov, V. D., Peshekhonov, G., Piragino, S., Platchkov, K., Platzer, J., Pochodzalla, V. A., Polyakov, A. A., Popov, J., Pretz, C., Quintan, S., Ramo, P. C., Rebourgeard, G., Reicherz, J., Reymann, K., Rith, A. M., Rojdestvenski, E., Rondio, A. B., Sadovski, E., Saller, V. D., Samoylenko, A., Sandacz, M. G., Sapozhnikov, IGOR A., Savin, Schiavon, Paolo, C., Schill, T., Schmidt, L., Schmitt, H., Schmitt, Shevchenko, O. Y. U., A. A., Shishkin, H., Siebert, L., Sinha, A. N., Sissakian, A., Skachkova, M., Slunecka, G. I., Smirnov, V. P., Sugonyaev, A., Srnka, F., Stinzing, M., Stolarski, M., Sulc, R., Sulej, N., Takabayashi, V. V., Tchalishev, D., Ther, F., Tessarotto, A., Teufel, L. G., Tkatchev, T., Toeda, V. I., Tretyak, S., Trousov, M., Varanda, M., Viriu, N. V., Vlassov, M., Wagner, T., Walcher, R., Webb, E., Weise, Q., Weitzel, M., Wiesmann, R., Windmolder, S., Wirth, W., Wislicki, A. M., Zanetti, K., Zaremba, J., Zhao, R., Ziegler, and A., Zvyagin
Subjects: Nuclear and High Energy Physics, Particle physics, media_common.quotation_subject, FOS: Physical sciences, Spin structure, 01 natural sciences, Asymmetry, COMPASS, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), deep inelastic scattering, structure function, 0103 physical sciences, COMPASS experiment, 010306 general physics, Nuclear Experiment, media_common, Spin-½, Physics, Large Hadron Collider, Muon, 010308 nuclear & particles physics, Deep inelastic scattering, DEEP INELASTIC-SCATTERING, structure functions, High Energy Physics::Experiment, Particle Physics - Experiment, Beam (structure)
Abstract: We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x, 10 pages, 6 figures, subm. to PLB, revised: author list, Fig. 4, details added
Published: 2005

36. Spin asymmetries for events with highpThadrons in DIS and an evaluation of the gluon polarization

Author: A. Staude, T. O. Niinikoski, S. Platchkov, Y. Miyachi, C. S. Özben, A. Karev, W. Meyer, Etienne Burtin, G. Igo, Rudiger Voss, T. J. Ketel, J. A. Garzon, Franco Bradamante, M. Plo, J. E.J. Oberski, Gerhard K. Mallot, W. Tlaczala, A. Magnon, P. Schiavon, Matias Rodriguez, D. Peshekhonov, David Miller, E. P. Sichtermann, T. Hasegawa, T. Matsuda, J. Kiryluk, M. Litmaath, F. Simeoni, G.I. Smirnov, A. Bravar, J. Martino, J. Lichtenstadt, R. Sulej, Jay Roberts, B. Derro, Jinkui Zhao, M. Grosse Perdekamp, J. Nassalski, G. Unel, H. Gilly, S. Bültmann, D. Pose, Massimo Lamanna, Yu. Kisselev, V. W. Hughes, E. Rondio, J. H. Moromisato, Takahiro Iwata, H. J. Kessler, E. Arik, G. Reicherz, Naoaki Horikawa, Ulrich Landgraf, A. Arvidson, H. Pereira, K. Kowalik, K. Kurek, D. von Harrach, Andrea Bressan, A. Gallas, J. M. Le Goff, T. Çuhadar, Patrick Hautle, S. Ishimoto, A. de Lesquen, St. Goertz, S. Dalla Torre, Heinrich B. Stuhrmann, G. Rädel, C. Dulya, Mayda Velasco, Anna Zanetti, J. Vogt, R. van Dantzig, L. Klostermann, Ricardo Piegaia, E. M. Kabuß, D. Thers, M. Giorgi, A. Witzmann, D. Fasching, F. Lehar, C. A. Whitten, B. Badelek, J. Kyynäräinen, A. Tripet, Günter Baum, C. Fernandez, J. Cranshaw, Kunikazu Mori, B. Frois, N. Hayashi, P. Berglund, K. Medved, R. Windmolders, U. Stiegler, S. Eichblatt, E. von Goeler, A. Ogawa, Bernardo Adeva, I. Sabo, A. M. Kotzinian, J. S. McCarthy, K. Haft, F. Tessarotto, W. Kröger, Abhay Deshpande, F. Feinstein, S. K. Dhawan, Clemens A. Heusch, R. Birsa, J. Pretz, I.A. Savin, G. Gracia, Lawrence Pinsky, A. Sandacz, N. de Botton, B. W. Mayes, K. Zaremba, H. Postma, J. Saborido, N. De Groot, Regine Willumeit, Alan D. Martin, F. Marie, F. Kunne, D. G. Crabb, A. Steinmetz, L. Betev, and W. Wiślicki
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson production, 010308 nuclear & particles physics, media_common.quotation_subject, Hadron, Deep inelastic scattering, Polarization (waves), 01 natural sciences, Asymmetry, Gluon, Nuclear physics, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Nuclear Experiment, 010306 general physics, Nucleon, media_common
Abstract: We present a measurement of the longitudinal spin cross section asymmetry for deep-inelastic muon-nucleon interactions with two high transverse momentum hadrons in the final state. Two methods of event classification are used to increase the contribution of the photon-gluon fusion process to above 30%. The most effective one, based on a neural network approach, provides the asymmetries A(p)lN(-->)lhhX=0.030+/-0.057(stat)+/-0.010(syst) and A(d)lN(-->)lhhX=0.070+/-0.076(stat)+/-0.010(syst). From these values we derive an averaged gluon polarization DeltaG/G=-0.20+/-0.28(stat)+/-0.10(syst) at an average fraction of nucleon momentum carried by gluons =0.07.
Published: 2004

37. Bethe-Salpeter approach with the separable interaction for the deuteron

Author: V. V. Burov, Alexander Molochkov, G.I. Smirnov, S.G. Bondarenko, and Hiroshi Toki
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Light nucleus, Nuclear Theory, Scattering, FOS: Physical sciences, Deep inelastic scattering, Separable space, Nuclear Theory (nucl-th), Deuterium, Negative energy, Covariant transformation, High Energy Physics::Experiment, Nuclear Experiment, Lepton
Abstract: Recent developments of the covariant Bethe-Salpeter (BS) approach with the use of the separable interaction for the deuteron are reviewed. It is shown that the BS formalism allows a covariant description of various electromagnetic reactions like the lepton-deuteron scattering, deuteron electro-disintegration, deep inelastic scattering (DIS) of leptons on light nuclei. The procedure of the construction of the separable nucleon-nucleon (NN) interaction is discussed. The BS formalism facilitates analysis of the role of the P-waves (negative energy components) in the electromagnetic properties of the deuteron and its comparison with the nonrelativistic results. Furthermore the covariant BS approach makes it possible to analyze DIS of leptons from the deuteron in a model independent way and to extend the formalism to DIS reactions on the light nuclei., Comment: 87 pages, 20 figures, to be published in Prog.Part.Nucl.Phys. v.48, no.2
Published: 2002
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38. Erratum: Spin asymmetriesA1of the proton and the deuteron in the lowxand lowQ2region from polarized high energy muon scattering [Phys. Rev. D60, 072004 (1999)]

Author: J. Vogt, M. Grosse Perdekamp, F. Tessarotto, J. Kyynäräinen, W. Kröger, T. Hasegawa, G. Baum, Kunikazu Mori, K. Zaremba, M. Plo, K. Medved, G. van Middelkoop, S. Eichblatt, U. Stiegler, W. Meyer, Massimo Lamanna, Yu. Kisselev, T. Matsuda, Anne-Laure Martin, Tjeerd Ketel, D.V. Peshekhonov, W. Wiślicki, Per Berglund, J. Nassalski, E. M. Kabuß, G. Igo, T. Iwata, Daniel B. Kramer, A. Witzmann, E. Burtin, M. Litmaath, H. Gilly, J. A. Garzon, G. Reicherz, A. Bravar, R. Birsa, Gerhard K. Mallot, J. S. McCarthy, L. S. Pinsky, W. Tlaczala, A. Magnon, Franco Bradamante, G.I. Smirnov, D. Fasching, F. Perrot-Kunne, I.A. Savin, David Miller, T. Çuhadar, A. Karev, B. W. Mayes, S. Dalla Torre, T. O. Niinikoski, F. Lehar, D. von Harrach, N. de Botton, D. G. Crabb, G. Unel, A. Steinmetz, Jay Roberts, N. Horikawa, Abhay Deshpande, R. Puntaferro, Mayda Velasco, H. Postma, F. Marie, L. Betev, R. van Dantzig, A. Ogawa, Bernardo Adeva, V. W. Hughes, A. de Lesquen, J. Saborido, St. Goertz, P. Schiavon, D. Thers, E. P. Sichtermann, Heinrich B. Stuhrmann, Ulrich Landgraf, G. Rädel, C. Dulya, F. Simeoni, J. Oberski, A. Staude, J. Zhao, A. Gallas, B. Froise, Matias Rodriguez, Ricardo Piegaia, M. Giorgi, B. Badelek, N. Hayashi, Patrick Hautle, H. J. Kessler, Roland Windmolders, I. Sabo, Regine Willumeit, K. Haft, Anna Zanetti, A. Arvidson, H. Pereira, S. Ishimoto, E. Arik, K. Kurek, C. A. Whitten, A. Tripet, J. Pretz, Y. Miyachi, F. Feinstein, C.S. Ozben, B. Derro, N. De Groot, E. Rondio, Satish Dhawan, J. Cranshaw, J. M. Le Goff, C. A. Heusch, J. Lichtenstadt, A. Sandacz, C. Fernandez, Rudiger Voss, S. Bültmann, D. Pose, S. Platchkov, J. Martino, J. Kiryluk, and G. Garcia
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, High energy, Muon, Deuterium, Proton, Scattering, Spin-½
Published: 2000

39. Measurement of the SMC muon beam polarisation using the asymmetry in the elastic scattering off polarised electrons

Author: E. Burtin, D. Crabb, T. Kageya, M. Boutemeur, D. Fasching, F. Perrot-Kunne, J. E.J. Oberski, T. Matsuda, D.V. Peshekhonov, I. Sabo, J. Ylöstalo, Jay Roberts, J. Cranshaw, M. Grosse Perdekamp, I.A. Savin, H. Gilly, J. Nassalski, N. de Botton, Takahiro Iwata, Victor Kukhtin, Lawrence Pinsky, A. Bravar, B. W. Mayes, E. Arik, W. Tlaczala, J. S. McCarthy, H. J. Kessler, Roland Windmolders, M. Lowe, A. Arvidson, H. Pereira, M. Litmaath, A. Nagaitsev, Y. Miyachi, M. Lamanna, Igor Golutvin, F. Feinstein, David Miller, L. Naumann, Julien Faivre, G. Unel, T. O. Niinikoski, T. Gaussiran, G.K. Mallot, F. Tessarotto, W. Kröger, H. Postma, J. Kiryluk, P. Schiavon, A. Schiller, B. Derro, Alessandro Bressan, D. von Harrach, Lau Gatignon, Abhay Deshpande, N.I. Zamiatin, L. Ropelewski, K. P. Schüler, P. Berglund, E. Rondio, J. H. Moromisato, G. Reicherz, P. Björkholm, Yannis K. Semertzidis, Mayda Velasco, F. Marie, L. Betev, S. Eichblatt, Patrick Hautle, T. Hasegawa, G.I. Smirnov, S. Dalla Torre, Alan D. Martin, J. M. Le Goff, T. Çuhadar, C. Cavata, Regine Willumeit, Matias Rodriguez, S. K. Dhawan, C. Dulya, G. van Middelkoop, A. Magnon, B. Frois, Günter Baum, I. Kiryushin, A. Ogawa, E. M. Kabuß, N. De Groot, J. Vogt, Naoaki Horikawa, E. von Goeler, P. Shanahan, A. Kishi, G. Rädel, G. Igo, W. Meyer, S. Rock, Clemens A. Heusch, F. Simeoni, R. Seitz, K. Haft, Ricardo Piegaia, M. Plo, A. de Lesquen, J. Pretz, L. Klostermann, J. A. Garzon, Franco Bradamante, M. Giorgi, St. Goertz, B. Badelek, S. Forthmann, C. Fernandez, R. Birsa, N. Hayashi, A. Sandacz, C.S. Ozben, Yu. Kisselev, T. Lindqvist, J. Kyynäräinen, K. Zaremba, A. Witzmann, D. L. Adams, J. Saborido, T. Akdogan, G. Bardin, A. Rijllart, Bernardo Adeva, A. Dyring, Heinrich B. Stuhrmann, A. Staude, J. Zhao, A. Gallas, T. J. Ketel, V. W. Hughes, Ulrich Landgraf, V. Krivokhijine, A. Karev, F. Lehar, T. Pussieux, Wojciech Wislicki, J. Lichtenstadt, A. Steinmetz, B. E. Bonner, Rudiger Voss, S. Bültmann, D. Pose, Michal Szleper, S. Ishimoto, S. Platchkov, J. Martino, R. van Dantzig, Daniel B. Kramer, Sergey M. Sergeev, G. Gracia, D. Thers, E. P. Sichtermann, M. Clocchiatti, U. Stiegler, Kunikazu Mori, K. Medved, Anna Zanetti, K. Kurek, C. A. Whitten, A. Tripet, D., Adam, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, Birsa, Renato, P., Bjorkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, C., Cavata, M., Clocchiatti, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, L., Gatignon, T., Gaussiran, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, I. A., Golutvin, G., Gracia, N., De Groot, M., Grosse Perdekamp, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, I., Kiryushin, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Kramer, V., Krivokhizhin, W., Kroger, V., Kukhtin, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, H., Pereira, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, G., Radel, A., Rijllart, G., Reicherz, J. B., Robert, S. E., Rock, M., Rodriguez, E., Rondio, L., Ropelewski, I., Sabo, J., Saborido, A., Sandacz, Igor A., Savin, P., Schiavon, A., Schiller, K. P., Schuler, R., Seitz, Y., Semertzidi, S., Sergeev, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, J., Ylostalo, A. M., Zanetti, K., Zaremba, N. I., Zamiatin, J., Zhao, and (Astro)-Particles Physics
Subjects: electron, Nuclear and High Energy Physics, SMC, DIS, muon polarimeter, media_common.quotation_subject, muon beam, Electron, Asymmetry, Nuclear physics, Magnetization, polarisation measurement, Detectors and Experimental Techniques, Nuclear Experiment, Instrumentation, media_common, Physics, Elastic scattering, Large Hadron Collider, Muon, polarised scattering, magnetised target, Polarimeter, polarised muon, Polarization (waves), Physics::Accelerator Physics, High Energy Physics::Experiment, polarised
Abstract: A muon beam polarimeter was built for the SMC experiment at the CERN SPS, for beam energies of 100 and 190 GeV. The beam polarisation is determined from the asymmetry in the elastic scattering off the polarised electrons of a ferromagnetic target whose magnetisation is periodically reversed. At muon energies of 100 and 190 GeV the measured polarisation is P-mu = -0.80 +/- 0.03 (stat.) +/- 0.02 (syst.) and P-mu = - 0.797 +/- 0.011 (stat.) +/- 0.012 (syst.), respectively. These results agree with measurements of the beam polarisation using a shape analysis of the decay positron energy spectrum. (C) 2000 Elsevier Science B.V. All rights reserved.
Published: 2000

40. A large Streamer Chamber muon tracking detector in a high-flux fixed-target application

Author: B. Frois, V. W. Hughes, J. Vogt, Kwong Lau, E. Arik, G. van Middelkoop, C. Garabatos, E. Burtin, Patrick Hautle, Ulrich Landgraf, Drew Parks, C.S. Ozben, T. O. Niinikoski, P. Berglund, A. Staude, F. Tessarotto, C. A. Whitten, A. Tripet, M. Boutemeur, D. Fasching, P. Shanahan, F. Simeoni, M. Plo, W. Kröger, W. Meyer, H Gilly, D. Crabb, Abhay Deshpande, A. Witzmann, T. Kageya, Heinrich B. Stuhrmann, J. M. Le Goff, M. K. Ballintijn, G. Gracia, Iskender Atilla Reyhancan, T. J. Ketel, N.I. Zamiatin, T. Çuhadar, T. Hasegawa, I Tzamouranis, H. Postma, D. Sanders, D. L. Adams, Clemens A. Heusch, J. Zhao, S. Rock, R. Birsa, A. Karev, Anna Zanetti, U. Stiegler, Alessandro Bressan, D. von Harrach, L. Naumann, J. H. Moromisato, A. Gallas, Yannis K. Semertzidis, A. Ogawa, F. Lehar, A. Kishi, Yu. Kisselev, B. Roscherr, C. Dulya, J. Pyrlik, G. Reicherz, K. Haft, Y. Miyachi, Mayda Velasco, Sergey M. Sergeev, B. E. Bonner, A. de Lesquen, St. Goertz, T. Lindqvist, F. Marie, L. Betev, N. Horikawa, Ricardo Piegaia, M. Giorgi, G.I. Smirnov, S. Dalla Torre, F. Perrot-Kunne, W. Tlaczala, K. Zaremba, Iu Kiryushin, Michal Szleper, I. Sabo, F. Sever, G. Igo, A Gomez-Tato, R Seitz, B. Derro, Günter Baum, Regine Willumeit, J. Saborido, T. Layda, N. de Botton, G. Bardin, G. Unel, A. Rijllart, F. Feinstein, D. Thers, E. P. Sichtermann, Bernardo Adeva, M. Lamanna, S. K. Dhawan, J. S. McCarthy, K. Kurek, S. Eichblatt, Lawrence Pinsky, Franco Bradamante, Erhan Gülmez, A. Dyring, K. P. Schüler, H. J. Kessler, Roland Windmolders, Rudiger Voss, A. Steinmetz, I.A. Savin, J.A. Garzon, Daniel B. Kramer, B. W. Mayes, M. Lowe, A. Arvidson, H. Pereira, Alan D. Martin, G. K. Mallot, S. Bültmann, P. Schiavon, E. M. Kabuß, L. Klostermann, K. M. Teichert, E. von Goeler, L. Ropelewski, Jay Roberts, M. Grosse Perdekamp, B. Badelek, N. Hayashi, D. Pose, E Rondio, Takahiro Iwata, G Raädel, Matias Rodriguez, David Miller, S. Ishimoto, I. G. Bird, J. Kyynäräinen, J. Cranshaw, S. Platchkov, J. Pretz, M. Litmaath, J. Martino, Igor Golutvin, R. van Dantzig, A. Sandacz, T. Pussieux, Wojciech Wislicki, A Rosado, T. Matsuda, D.V. Peshekhonov, C. Fernandez, J. Lichtenstadt, P. Björkholm, C. Cavata, Roy Weinstein, N. De Groot, T. Gaussiran, S. Forthmann, S. Trentalange, R. E. Segel, J. Kiryluk, Aldo Penzo, A. Magnon, A. Schiller, J. E.J. Oberski, J. Nassalski, Kunikazu Mori, K. Medved, A. Bravar, Julien Faivre, (Astro)-Particles Physics, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Bjorkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, Erhan, Gulmez, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, Kiryushin, I. u., A., Kishi, Kiselev, Y. u., L., Klostermann, D., Kramer, W., Kroger, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, H., Pereira, A., Penzo, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, G., Radel, I., Reyhancan, G., Reicherz, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, D., Sander, Igor A., Savin, Schiavon, Paolo, A., Schiller, K. P., Schuler, R., Segel, R., Seitz, Y., Semertzidi, S., Sergeev, F., Sever, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, D., Ther, W., Tlaczala, S., Trentalange, A., Tripet, I., Tzamourani, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, DIS, Nuclear and High Energy Physics, Large Hadron Collider, SMC, Physics::Instrumentation and Detectors, business.industry, Detector, High voltage, STRIPS, Tracking (particle physics), law.invention, Nuclear physics, Optics, Large area detectors, law, Tube (fluid conveyance), Detectors and Experimental Techniques, business, Instrumentation, Beam (structure), Electronic circuit
Abstract: Arrays of limited streamer tubes of the Iarocci type were deployed in our experiment at CERN as part of a forward muon detector system with provisions for the beam to pass through the center of each panel in the array. A total of 16 4 m x 4 m panels were assembled with inductive readout strips on both sides of each panel. An active feedback system. was deployed to regulate the high voltage to the streamer tubes to insure a constant efficiency for minimum ionizing particles. The arrays were operated in this environment for over five years of data taking. Streamer tube track-reconstruction efficiencies and tube replacement rates are reported. (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

41. The polarized double cell target of the SMC

Author: G. van Middelkoop, Patrick Hautle, H. Postma, W. Meyer, Yu. Kisselev, G. Gracia, J. H. Moromisato, T. Lindqvist, Y. Miyachi, G. Igo, Regine Willumeit, G. Reicherz, G. Bardin, T. Gaussiran, U. Stiegler, S. Forthmann, S. Trentalange, Heinrich B. Stuhrmann, G.I. Smirnov, S. Dalla Torre, N. Horikawa, Franco Bradamante, I.A. Savin, E. Burtin, Drew Parks, Michal Szleper, F. Feinstein, B. Frois, J. Vogt, J.A. Garzon, B. W. Mayes, M. Boutemeur, D. Fasching, A. Gallas, Daniel B. Kramer, K. Kurek, A. Ogawa, A. Staude, K. P. Schüler, R. Seitz, D. von Harrach, Abhay Deshpande, T. Matsuda, D.V. Peshekhonov, S. K. Dhawan, K. Haft, Yannis K. Semertzidis, J. Pyrlik, P. Shanahan, S. Eichblatt, J. Pretz, Clemens A. Heusch, H. J. Kessler, T. Çuhadar, R. Birsa, H. Gilly, G. Rädel, P. Schiavon, D. Crabb, F. Perrot-Kunne, T. Hasegawa, F. Simeoni, M. Plo, B. E. Bonner, Jinkui Zhao, Roland Windmolders, T. Kageya, Iskender Atilla Reyhancan, Mayda Velasco, F. Marie, L. Betev, Anna Zanetti, N. de Botton, A. Kishi, A. Rosado, A. Rijllart, Bernardo Adeva, A. de Lesquen, M. Lamanna, St. Goertz, M. Lowe, A. Arvidson, H. Pereira, Andrea Bressan, C. S. Özben, B. Roscherr, Lawrence Pinsky, A. Sandacz, G. K. Mallot, T. J. Ketel, L. Klostermann, C. A. Whitten, F. Tessarotto, W. Kröger, E. Arik, Rudiger Voss, A. Tripet, G. Unel, S. Bültmann, K. M. Teichert, Matias Rodriguez, S. Rock, D. Pose, J. Kyynäräinen, K. Zaremba, A. Dyring, Jay Roberts, D. Thers, B. Badelek, E. P. Sichtermann, M. Grosse Perdekamp, J. Saborido, S. Ishimoto, T. Layda, David Miller, Günter Baum, I. Sabo, S. Platchkov, N. Hayashi, B. Neganov, V. Krivokhijine, W. Tlaczala, J. Martino, J. M. Rieubland, J. S. McCarthy, P. Björkholm, Takahiro Iwata, A. Karev, R. van Dantzig, Alan D. Martin, C. Cavata, E. von Goeler, A. Bravar, M. K. Ballintijn, A. Witzmann, F. Lehar, T. Pussieux, Wojciech Wislicki, M. Litmaath, Julien Faivre, Roy Weinstein, N. De Groot, D. L. Adams, J. Lichtenstadt, C. Fernandez, C. Dulya, I. G. Bird, Ricardo Piegaia, V. W. Hughes, M. Giorgi, A. Steinmetz, Ulrich Landgraf, P. Berglund, T.O. Niinikoski, E. Rondio, J. M. Le Goff, L. Naumann, B. Derro, R. E. Segel, J. Kiryluk, F. Sever, Erhan Gülmez, E. M. Kabuß, J. Cranshaw, Kunikazu Mori, K. Medved, J. E.J. Oberski, J. Nassalski, Aldo Penzo, A. Magnon, A. Schiller, (Astro)-Particles Physics, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Bjorkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., De Groot, M., Grosse Perdekamp, Erhan, Gulmez, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, A., Kishi, Kiselev, Y. u., L., Klostermann, D., Kramer, V., Krivokhizhin, W., Kroger, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, B., Neganov, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, H., Pereira, A., Penzo, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, G., Radel, I., Reyhancan, G., Reicherz, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, Igor A., Savin, Schiavon, Paolo, A., Schiller, K. P., Schuler, R., Segel, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, D., Ther, W., Tlaczala, S., Trentalange, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, Nuclear and High Energy Physics, DIS, Large Hadron Collider, Muon, analysis, Scattering, SMC, Polarized target, Spin structure, polarized protons and deuterons, Polarization (waves), Deep inelastic scattering, NMR, dynamic nuclear polarization, Nuclear physics, Deuterium, Physics::Accelerator Physics, High Energy Physics::Experiment, Detectors and Experimental Techniques, Nuclear Experiment, Nucleon, Instrumentation
Abstract: The polarized target of the Spin Muon Collaboration at CERN was used for deep inelastic muon scattering experiments during 1993-1996 with a polarized muon beam to investigate the spin structure of the nucleon. Most of the experiments were carried out with longitudinal target polarization and 190 GeV muons, and some were done with transverse polarization and 100 GeV muons. Protons as well as deuterons were polarized by dynamic nuclear polarization (DNP) in three kinds of solid materials - butanol, ammonia, and deuterated butanol - with maximum degrees of polarization of 94%, 91% and 60%, respectively. Considerable attention was paid to the accuracies of the NMR polarization measurements and their analyses, the accuracies achieved were between 2.0% and 3.2%. The SMC target system with two cells of opposite polarizations, each cell 65 cm long and 5 cm in diameter, constitutes the largest polarized target system ever built and facilitates accurate spin asymmetry measurements. The design considerations, construction and performance of the target are reviewed, (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

42. Spin asymmetriesA1and structure functionsg1of the proton and the deuteron from polarized high energy muon scattering

Author: J. Ylöstalo, K. Zaremba, L. Naumann, Patrick Hautle, M. Litmaath, I. Sabo, B. Derro, V. G. Krivokhijine, J. S. McCarthy, A. Witzmann, J. Roberts, B. Frois, A. Ogawa, C. Dulya, T. Hasegawa, J. H. Moromisato, P. Berglund, Naoaki Horikawa, T. Matsuda, H. Gilly, G. Reicherz, S. Bültmann, E. von Goeler, E. Rondio, M. Giorgi, J. E.J. Oberski, S. Dalla Torre, A. Kishi, A. Staude, P. Shanahan, J. M. Le Goff, Gerhard K. Mallot, T. Çuhadar, Heinrich B. Stuhrmann, W. Tlaczala, J. Vogt, A. Magnon, F. Simeoni, G.I. Smirnov, Abhay Deshpande, C. A. Whitten, Yu. Kisselev, A. de Lesquen, St. Goertz, F. Feinstein, David Miller, G. Rädel, J. Nassalski, Clemens A. Heusch, D. Crabb, T. Lindqvist, Igor Golutvin, A. Tripet, P. Björkholm, R. Birsa, T. J. Ketel, Sergey M. Sergeev, Michal Szleper, S. Eichblatt, S. Forthmann, C. Cavata, P. Schiavon, L. Klostermann, G. Baum, J. Lichtenstadt, I. Kiryushin, T. Kageya, Lawrence Pinsky, Kunikazu Mori, T. O. Niinikoski, I. G. Bird, Taylan Akdogan, Etienne Burtin, S. Rock, L. Ropelewski, E. Arik, B. Badelek, A. Dyring, A. Steinmetz, K. Medved, R. Seitz, J. Kyynäräinen, C. Fernandez, Wojciech Wislicki, D. Thers, E. P. Sichtermann, N. Hayashi, D. Krämer, D. Pose, F. Perrot-Kunne, R. Puntaferro, Matias Rodriguez, N. De Groot, Krzysztof Kurek, M. Boutemeur, D. Fasching, C. Ozben, G. Bardin, K. P. Schüler, Anna Zanetti, T. Pussieux, M. Plo, J. Kiryluk, A. Karev, A. Bravar, G. van Middelkoop, U. Stiegler, S. Platchkov, A. Rijllart, W. Meyer, G. Igo, S. Ishimoto, F. Lehar, Bernardo Adeva, J. A. Garzon, Franco Bradamante, D. von Harrach, G. Gracia, Yannis K. Semertzidis, Mayda Velasco, L. Betev, A. Sandacz, E. M. Kabuß, G. Unel, A. Nagaitsev, V. W. Hughes, N. Zamiatin, R. van Dantzig, Ulrich Landgraf, Rudiger Voss, H. J. Kessler, Roland Windmolders, F. Tessarotto, A. Schiller, W. Kröger, M. Lowe, A. Arvidson, H. Pereira, Andrea Bressan, J. Martino, A. Gallas, N. de Botton, Victor Kukhtin, M. Lamanna, J. Saborido, K. Haft, J. Pretz, J. Cranshaw, I.A. Savin, M. Grosse Perdekamp, R. Piegia, B. W. Mayes, J. Zhao, Takahiro Iwata, Y. Miyachi, D. Peshekhonov, J. C. Faivre, Alan D. Martin, F. Marie, S. K. Dhawan, H. Postma, and Regine Willumeit
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Muon, Proton, Scattering, Hadron, Spin structure, Nuclear physics, Radiative transfer, High Energy Physics::Experiment, Nuclear Experiment, Spin-½
Abstract: We present the final results of the spin asymmetries A1 and the spin structure functions g1 of the proton and the deuteron in the kinematic range 0.0008
Published: 1998

43. Measurement of proton and nitrogen polarization in ammonia and a test of equal spin temperature

Author: J. Polec, A. Schiller, J. Ylöstalo, Drew Parks, V. W. Hughes, M. Litmaath, G. Reicherz, M. Giorgi, A. Karev, J. M. Le Goff, Ulrich Landgraf, B. Derro, E. Arik, S. Ishimoto, Abhay Deshpande, S. Dalla Torre, G. Igo, J. Kiryluk, R. van Dantzig, H. Pereira Da Costa, David Miller, T. Hasegawa, J. A. Garzon, G. van Middelkoop, Franco Bradamante, E. Kok, Rudiger Voss, T. Matsuda, A. Rijllart, J. Vogt, H. Dutz, Bernardo Adeva, E. Rondio, H. Gilly, W. Meyer, S. Bültmann, P. Schiavon, Yu. Kisselev, D. Crabb, Heinrich B. Stuhrmann, M. Plückthun, A. de Lesquen, J. Lichtenstadt, Anna Zanetti, S. Platchkov, R. Puntaferro, P. Berglund, A. Magnon, A. Staude, D. Krämer, M. Plo, D. Fasching, R. Gehring, J. Cranshaw, M. Grosse Perdekamp, D. von Harrach, J. Harmsen, Matias Rodriguez, L. Betev, Kunikazu Mori, T. J. Ketel, C. Bradtke, N. Horikawa, K. Medved, J. S. McCarthy, Takahiro Iwata, J. E.J. Oberski, W. Tlaczala, Y. Miyachi, St. Goertz, E. P. Sichtermann, K. Kurek, J. Nassalski, A. Witzmann, I.A. Savin, M. Velasco, D. Peshekhonov, Günter Baum, U. Stiegler, C. Dulya, C. A. Whitten, B. W. Mayes, K. Zaremba, J. Kyynäräinen, Roland Windmolders, A. Tripet, A. Arvidson, S. Forthmann, Alan D. Martin, A. Gallas, G. K. Mallot, D. Pose, E. M. Kabuß, A. Ogawa, S. K. Dhawan, K. Haft, W. Wislicki, F. Tessarotto, F. Perrot-Kunne, W. Kröger, A. Steinmetz, H. Postma, N. de Botton, M. Lamanna, T. Kageya, B. Frois, Clemens A. Heusch, T. Çuhadar, F. Feinstein, J. Pretz, Lawrence Pinsky, G. Gracia, F. Lehar, F. Simeoni, G.I. Smirnov, A. Sandacz, G. Unel, N. De Groot, A. Bravar, G. Rädel, S. Eichblatt, B. Badelek, T. O. Niinikoski, C. Fernandez, N. Hayashi, Patrick Hautle, B., Adeva, E., Arik, A., Arvidson, B., Badelek, Guenter, Baum, P., Berglund, L., Betev, N., de Botton, Bradamante, Franco, C., Bradtke, A., Bravar, Stephen L., Bueltmann, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, H., Dutz, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, R., Gehring, H., Gilly, Giorgi, Marcello, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, K., Haft, J., Harmsen, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, T. J., Ketel, J., Kiryluk, Kiselev, Y. u., E., Kok, D., Kramer, W., Kroger, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, A., Magnon, G. K., Mallot, Martin, Anna, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Nassalski, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, D. P., Park, H., Pereira da Costa, F., Kunne, D., Peshekhonov, Lawrence S., Pinsky, S., Platchkov, M., Plo, M., Pluckthun, J., Polec, D., Pose, H., Postma, J., Pretz, R., Puntaferro, G., Radel, G., Reicherz, A., Rijllart, M., Rodriguez, E., Rondio, A., Sandacz, Igor A., Savin, Schiavon, Paolo, A., Schiller, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, F., Tessarotto, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, J., Ylostalo, Zanetti, ANNA MARIA, K., Zaremba, and (Astro)-Particles Physics
Subjects: Nuclear and High Energy Physics, spin resonance, Proton, p polarized target, Nuclear Theory, chemistry.chemical_element, Ammonia, chemistry.chemical_compound, Paramagnetism, Irradiation, Detectors and Experimental Techniques, Nuclear Experiment, Instrumentation, Physics, Coupling constant, polarization, quadrupolar interactions, Polarization (waves), Nitrogen, nitrogen polarized target, dynamic nuclear, nuclear magnetic resonance, chemistry, Deuterium, Atomic physics
Abstract: The 1996 data taking of the SMC experiment used polarized protons to measure the spin-dependent structure function g(1) of the proton. Three liters of solid granular ammonia were irradiated at the Bonn electron linac in order to create the paramagnetic radicals which are needed for polarizing the protons. Proton polarizations of +/- (90 +/- 2.5)% were routinely reached. An analysis based on a theoretical line shape for spin-1. systems with large quadrupolar broadening was developed which allowed the nitrogen polarization in the ammonia to be determined with a 10% relative error. The measured quadrupolar coupling constant of N-14 agrees well with earlier extrapolated values. The polarization of the nitrogen nuclei was measured as a function of the proton polarization in order to provide a test of the equal spin temperature (EST) hypothesis. It was found to be closely valid under the dynamic nuclear polarization conditions with which the protons are polarized. Large deviations from EST could be induced by cross relaxing the proton and nitrogen spin systems at low fields. Nitrogen polarizations up to 40% were reached by these means. (C) 1998 Elsevier Science B.V. All rights reserved.
Published: 1998

44. A line-shape analysis for spin-1 NMR signals

Author: J. Kyynärämen, S. Bültmann, J. Vogt, D. Crabb, T. Pussieux, F. Lehar, D. Krämer, F. Tessarotto, Yu. Kisselev, F. Perrot-Kunne, W. Kröger, Iskender Atilla Reyhancan, T. Lindqvist, J. Ylöstalo, L. Naumann, J. Cranshaw, A. Bressan, P. Schiavon, W. Wislicki, I. Sabo, A. Karev, C. Dulya, Matias Rodriguez, M. Litmaath, G. Igo, T. Çuhadar, J. A. Garzon, A. Steinmetz, Franco Bradamante, D. Y. Bardin, B. Derro, Heinrich B. Stuhrmann, J. Harmsen, A. Witzmann, Günter Baum, Ricardo Piegaia, M. Giorgi, N. Horikawa, Patrick Hautle, P. Berglund, Clemens A. Heusch, E. Rondio, D. L. Adams, S. K. Dhawan, J. Zhao, R. Birsa, F. Feinstein, A. Magnon, N. de Botton, D. Pose, Victor Kukhtin, G. Unel, J. H. Moromisato, K. Zaremba, H. J. Kessler, M. Lamanna, E. von Goeler, F. Sever, Roland Windmolders, D. Peshekhonov, K. Rurek, G. van Middelkoop, M. Plo, G. Reicherz, V. W. Hughes, S. Dalla Torre, David Miller, A. Arvidson, L. Klostermann, E. Gülmez, J. M. Le Goff, Alan D. Martin, E. Burtin, T. Kageya, E. M. Kabuß, A. Gallas, H. Postma, R. E. Segel, M. K. Ballintijn, A. Ogawa, G. K. Mallot, M. Boutemeur, D. Fasching, W. Meyer, J. Saborido, T. Hasegawa, J. S. McCarthy, A. de Lesquen, K. M. Teichert, A. Rijllart, Anna Zanetti, T. Matsuda, J. Pretz, A. Kishi, J. Martino, Bernardo Adeva, Jay Roberts, A. Rosado, R. Gehring, D. von Harrach, M. Lowe, T. Gaussiran, Lawrence S. Pinsky, St. Goertz, Michal Szleper, M. Grosse Perdekamp, Yannis K. Semertzidis, J. Pyrlik, J. C. Faivre, C. A. Whitten, Lidia Kalinovskaya, G. Gracia, Regine Willumeit, A. Sandacz, L. Betev, A. Dyring, W. Tlaczala, I.A. Savin, M. Velasco, Takahiro Iwata, S. Eichblatt, S. Rock, P. Björkholm, B. W. Mayes, C. Cavata, E. P. Sichtermann, P. Shanahan, B. Frois, K. P. Schüler, E. Arik, U. Stiegler, Roy Weinstein, N. De Groot, F. Simeoni, A. Nagaitsev, G.I. Smirnov, F. Marie, Aina Yañez, T. O. Niinikoski, J. E.J. Oberski, J. Nassalski, R. Seitz, Faustino Gómez, Kunikazu Mori, K. Medved, A. Tripet, J. Lichtenstadt, S. Platchkov, S. Ishimoto, R. van Dantzig, B. E. Bonner, C. S. Özben, Rudiger Voss, Ulrich Landgraf, V. G. Krivokhijine, Drew Parks, G. Bardin, A. Staude, Abhay Deshpande, T. J. Ketel, B. Badelek, C. Fernandez, N. Hayashi, I. G. Bird, (Astro)-Particles Physics, C., Dulya, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, D., Bardin, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, R., Gehring, Giorgi, Marcello, E., von Goeler, Goertz, S. t., F., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, E., Gülmez, J., Harmsen, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, L., Kalinovskaya, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, G., Reicherz, I., Reyhancan, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, A., Yañez, J., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Coupling constant, Physics, dis, Nuclear and High Energy Physics, Butanol, media_common.quotation_subject, smc, polarized target, Q meter, di, Polarization (waves), Asymmetry, Molecular physics, chemistry.chemical_compound, Dipole, Nuclear magnetic resonance, Deuterium, chemistry, Detectors and Experimental Techniques, Instrumentation, Shape analysis (digital geometry), media_common
Abstract: An analytic model of the deuteron absorption function has been developed and is compared to experimental NMR signals of deuterated butanol obtained at the SMC experiment in order to determine the deuteron polarization. The absorption function model includes dipolar broadening and a frequency-dependent treatment of the intensity factors. The high-precision TE signal data available are used to adjust the model for Q-meter distortions and dispersion effects. Once the Q-meter adjustment is made, the enhanced polarizations determined by the asymmetry and TE-calibration methods compare well within the accuracy of each method. In analyzing the NMR signals, the quadrupolar coupling constants could be determined for both the CD and the OD bonds of deuterated butanol.
Published: 1997

45. Large enhancement of deuteron polarization with frequency modulated microwaves

Author: J. Vogt, A. Nagaitsev, John C. Mitchell, A. Magnon, D. Crabb, Iskender Atilla Reyhancan, H. J. Kessler, Roland Windmolders, VW Hughes, Kwong Lau, J. Kyynäräinen, I.A. Savin, F. Tessarotto, J. Çuhadar, D. Peshekhonov, E. Rondio, R. Kaiser, A. Arvidson, J. Nassalski, B. W. Mayes, J. H. Moromisato, A. Brüll, C.S. Ozben, J. Pretz, J. Martino, L. Ropelewski, S. Dalla Torre, G. Gracia, T. Matsuda, Gerhard K. Mallot, K. M. Teichert, Anna Zanetti, M. Lowe, A. Rijllart, M. Plo, C. Garabatos, T. Kageya, Jay Roberts, T. Lindqvist, D. Sanders, J. M. Rieubland, M. Grosse Perdekamp, P. Björkholm, Bernardo Adeva, C. A. Whitten, C. Cavata, M. Boutemeur, A. Witzmann, A. Ogawa, J.M. Clement, V. Kukhtin, Abhay Deshpande, G. Salvato, Roy Weinstein, S. Ishimoto, N. De Groot, Takahiro Iwata, F. Feinstein, D. Pose, Alessandro Bressan, N. Horikawa, Heinrich B. Stuhrmann, J. P. Chen, M. Clocchiatti, I. Bird, D. von Harrach, I. Kiryushin, B. Frois, J. Zhao, H. Postma, Yannis K. Semertzidis, J. Pyrlik, N. de Botton, Aina Yañez, J. Saborido, M. Lamanna, G.S. Mutchler, R. van Dantzig, L. Betev, B. Neganov, T. O. Niinikoski, B. E. Bonner, Etienne Burtin, S. E. Rock, Regine Willumeit, I. Sabo, A. Dyring, J.A. Buchanan, Sergey M. Sergeev, V. G. Krivokhijine, Rudiger Voss, J. S. McCarthy, G. van Middelkoop, S. Bültmann, E. Arik, C. A. Heusch, P. Shanahan, E. P. Sichtermann, S. Platchkov, David Miller, J. Lichtenstadt, L. Naumann, Cristino Pérez, M. K. Ballintijn, G.I. Smirnov, T. Hasegawa, T. Layda, C. Dulya, A. Kishi, Patrick Hautle, J. M. Le Goff, A. Rosado, F. Lehar, Ricardo Piegaia, G. Bardin, M. Giorgi, Shafqat Ahmad, A. de Lesquen, F. Sever, Donal Day, R. E. Segel, E. Gülmez, E. M. Kabuß, D. Fasching, S. Lopez-Ponte, T. Pussieux, D. Krämer, A. Sandacz, W. Wislicki, A. Steinmetz, Alan D. Martin, F. Marie, I. A. Golutvin, Ulrich Landgraf, W. Thiel, M. Litmaath, M. Velasco, O. Rondon, S. Eichblatt, M. D. Corcoran, Günter Baum, J. E.J. Oberski, P. Berglund, T. Gaussiran, E. von Goeler, A. Staude, Aldo Penzo, J. Cranshaw, N. Zamiatin, T. J. Ketel, Shoji Okumi, L. Klostermann, R. Seitz, B. Badelek, C. Fernandez, N. Hayashi, R. Birsa, M. Rodriguez, F. Perrot-Kunne, A. Karev, Lawrence Pinsky, Kunikazu Mori, J. C. Faivre, G. Igo, K. Medved, Andrés Gómez, J. A. Garzon, Franco Bradamante, P. Schiavon, Y. Kisselev, M. de Jong, K. P. Schüler, S. Dhawan, and (Astro)-Particles Physics
Subjects: Physics, Nuclear and High Energy Physics, Polarization rotator, Absorption spectroscopy, Scattering, business.industry, FOS: Physical sciences, DYNAMIC NUCLEAR-POLARIZATION, TARGET, Polarization (waves), law.invention, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Optics, Deuterium, law, Nuclear Experiment (nucl-ex), Atomic physics, Detectors and Experimental Techniques, business, Electron paramagnetic resonance, Nuclear Experiment, Instrumentation, Frequency modulation, Microwave
Abstract: We report a large enhancement of 1.7 in deuteron polarization up to values of 0.6 due to frequency modulation of the polarizing microwaves in a two liters polarized target using the method of dynamic nuclear polarization. This target was used during a deep inelastic polarized muon-deuteron scattering experiment at CERN. Measurements of the electron paramagnetic resonance absorption spectra show that frequency modulation gives rise to additional microwave absorption in the spectral wings. Although these results are not understood theoretically, they may provide a useful testing ground for the deeper understanding of dynamic nuclear polarization., 10 pages, including the figures coming in uuencoded compressed tar files in poltar.uu, which also brings cernart.sty and crna12.sty files needed
Published: 1995

46. A new measurement of the spin-dependent structure function $g_{1}(x)$ of the deuteron

Author: T. Kageya, A. Staude, L. Naumann, T. Pussieux, C. Dulya, C. A. Heusch, D. Peshekhonov, E. Arik, H. Postma, Ricardo Piegaia, Cristino Pérez, S. Rock, S. K. Dhawan, Iskender Atilla Reyhancan, M. Giorgi, S. Ishimoto, U. Stiegler, L. Klostermann, P. Schiavon, T. O. Niinikoski, T. J. Ketel, A. Nagaitsev, S. Lopez-Ponte, N. de Botton, Abhay Deshpande, E. P. Sichtermann, A. Steinmetz, L. Betev, M. Lamanna, E. Rondio, R. van Dantzig, David Miller, P. Shanahan, M. Plo, H. Stuhrmann, A. Ogawa, G.I. Smirnov, R. Granier de Cassagnac, H. J. Kessler, Roland Windmolders, J. M. Le Goff, M. Clocchiatti, M. K. Ballintijn, A. Arvidson, J. Lichtenstadt, S. Platchkov, G. K. Mallot, S. Eichblatt, J. Kyynäräinen, T. Hasegawa, J. Nassalski, Yu. Kisselev, M. Rodriguez, I. Sabo, Patrick Hautle, B. E. Bonner, A. Karev, F. Marie, R.E. Segel, I.A. Savin, V. G. Krivokhijine, Michal Szleper, A. Kishi, E. M. Kabuß, G. Igo, Alan D. Martin, J. E.J. Oberski, C. S. Özben, R. Seitz, Jay Roberts, M. Grosse Perdekamp, T. Çuhadar, Rudiger Voss, G. Bardin, B. W. Mayes, J. Pretz, S. Bültmann, J. A. Garzon, Franco Bradamante, Takahiro Iwata, J. Zhao, E. Burtin, Wojciech Wislicki, E. Gülmez, A. Magnon, J. Cranshaw, G. Gracia, D. Fasching, J. Saborido, A. Sandacz, Anna Zanetti, R. Birsa, F. Feinstein, Alessandro Bressan, J. Martino, D. von Harrach, Donald Crabb, P. Björkholm, C. Cavata, Yannis K. Semertzidis, J. Pyrlik, Kunikazu Mori, Naoaki Horikawa, Regine Willumeit, C. A. Whitten, Mayda Velasco, Lawrence Pinsky, K. Medved, J. S. McCarthy, A. Dyring, F. Lehar, A. Witzmann, G. van Middelkoop, Aldo Penzo, D. L. Adams, D. Pose, Ulrich Landgraf, A. de Lesquen, B. Badelek, C. Fernandez, N. Hayashi, A. Rijllart, Bernardo Adeva, M. Litmaath, Günter Baum, P. Berglund, E. von Goeler, B. Frois, Roy Weinstein, D. Krämer, Krzysztof Kurek, N. De Groot, T. Matsuda, M. Lowe, J. Vogt, J. H. Moromisato, Vernon W. Hughes, S. Dalla Torre, F. Tessarotto, F. Perrot-Kunne, W. Kröger, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, Bradamante, Franco, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, M., Clocchiatti, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, J. A., Garzon, Giorgi, Marcello, E., von Goeler, G., Gracia, R., Granier de Cassagnac, N., de Groot, M., Grosse Perdekamp, E., Gülmez, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, A., Penzo, C., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, I., Reyhancan, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, R., Segel, R., Seitz, Y., Semertzidi, P., Shanahan, E. P., Sichtermann, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, and J., Zhao
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Muon, Structure function, Deep inelastic scattering, deep inelastic scattering, spin sum rule, SMC experiment, Standard deviation, Nuclear physics, Deuterium, Sum rule in quantum mechanics, Particle Physics - Experiment, Spin-½
Abstract: We present a new measurement of the spin-dependent structure function g 1 d of the deuteron in deep inelastic scattering of 190 GeV polarised muons on polarised deuterons, in the kinematic range 0.003 x 2 Q 2 2 . This structure function is found to be negative at small x . The first moment Γ 1 d =∫ 0 1 g 1 d d x evaluated at Q 0 2 = 10 GeV 2 is 0.034 ± 0.009 (stat.) ± 0.006 (syst.). This value is below the Ellis-Jaffe sum rule prediction by three standard deviations. Using our earlier determination of Γ 1 p , we obtain Γ 1 p − Γ 1 n = 0.199 ± 0.038 which agrees with the Bjorken sum rule.
Published: 1995

47. Measurement of the Spin-Dependent Structure Function $g_1(x)$ of the Proton

Author: Kwong Lau, A. Witzmann, E. M. Kabuβ, M. D. Corcoran, G. Gracia, H. Postma, N. Horikawa, B. Meyes, R. E. Segel, L. Naumann, J. Saborido, L. S. Pinsky, David Miller, Anne-Laure Martin, Alessandro Bressan, D. von Harrach, R. Kaiser, Drew Parks, Iskender Atilla Reyhancan, C. Fernandez, Patrick Hautle, P. Björkholm, H. J. Kessler, Roland Windmolders, M. Lowe, Yannis K. Semertzidis, J. Pyrlik, A. Arvidson, Massimo Lamanna, Yu. Kisselev, I. Sabo, E. von Goeler, M. Crawford, Mayda Velasco, E. Burtin, Regine Willumeit, F. Marie, L. Betev, R. van Dantzig, U. Stiegler, T. Lindqvist, F. Tessarotto, K. P. Schüler, T. Matsuda, C. Cavata, D. Fasching, D.V. Peshekhonov, M. Litmaath, G. Igo, E. Rondio, Satish Dhawan, Erhan Gülmez, C. Dulya, V. W. Hughes, S. Lopez-Ponte, T. Layda, M. Plo, G. Bardin, Per Berglund, A. Kishi, I.A. Savin, T. Iwata, Ricardo Piegaia, S. Platchkov, J. S. McCarthy, M. Giorgi, J. Cranshaw, Aldo Penzo, M. Grosse Perdekamp, J. Martino, Ulrich Landgraf, J. A. Garzon, Roy Weinstein, N. Shumeiko, Anna Zanetti, Franco Bradamante, Cristino Pérez, A. Rosado, A. Magnon, M. Clocchiatti, Julien Faivre, T. Çuhadar, L. Klostermann, C. A. Heusch, A. de Lesquen, P. Shanahan, T. Gaussiran, R. Seitz, A. Brüll, T. Pussieux, P. Schiavon, M. J. Le Goff, M. Ballintijn, G. van Middelkoop, Tjeerd Ketel, F. Feinstein, J. Lichtenstadt, N. De Groot, T. Hasegawa, G. Baum, C. A. Whitten, B. E. Bonner, S. E. Rock, B. Badelek, K. M. Teichert, I. G. Bird, S. Eichblatt, Matias Rodriguez, Rudiger Voss, N. Hayashi, Gerhard K. Mallot, V. Krivokhijine, Jay Roberts, S. Bültmann, A. Karev, D. Pose, R. Birsa, D. G. Crabb, W. Wislicki, A. Sandacz, A. Steinmetz, F. Perrot-Kunne, T. O. Niinikoski, F. Lehar, Daniel B. Kramer, J. Oberski, A. Staude, N. de Botton, Victor Kukhtin, J. M. Rieubland, A. Nagaitsev, J. Kyynäräinen, Kunikazu Mori, K. Medved, J. H. Moromisato, J. Nassalski, G.I. Smirnov, S. Dalla Torre, B. Frois, F. Sever, J. Vogt, J. Pretz, S. Ishimoto, A. Dyring, E. Arik, Heinrich B. Stuhrmann, D. Adams, J. Zhao, A. Rijllart, Bernardo Adeva, Adams, D., Adeva, B., Arik, E., Arvidson, A., Badelek, B., Ballintijn, M. K., Bardin, G., Baum, G., Berglund, P., Betev, L., Bird, I. G., Birsa, Renato, Björkholm, P., Bonner, B. E., de Botton, N., Bradamante, Franco, Bressan, Andrea, Brüll, A., Bültmann, S., Burtin, E., Cavata, C., Clocchiatti, M., Corcoran, M. D., Crabb, D., Cranshaw, J., Crawford, M., Çuhadar, T., DALLA TORRE, Silvia, van Dantzig, R., Dhawan, S., Dulya, C., Dyring, A., Eichblatt, S., Faivre, J. C., Fasching, D., Feinstein, F., Fernandez, C., Frois, B., Garzon, J. A., Gaussiran, T., Giorgi, Marcello, von Goeler, E., Gracia, G., de Groot, N., Grosse Perdekamp, M., Gülmez, E., von Harrach, D., Hasegawa, T., Hautle, P., Hayashi, N., Heusch, C. A., Horikawa, N., Hughes, V. W., Igo, G., Ishimoto, S., Iwata, T., Kabuß, E. M., Kaiser, R., Karev, A., Kessler, H. J., Ketel, T. J., Kishi, A., Kisselev, Y. u., Klostermann, L., Krämer, D., Krivokhijine, V., Kukhtin, V., Kyynäräinen, J., Lamanna, M., Landgraf, U., Lau, K., Layda, T., Le Goff, M. J., Lehar, F., de Lesquen, A., Lichtenstadt, J., Lindqvist, T., Litmaath, M., Lopez Ponte, S., Lowe, M., Magnon, A., Mallot, G. K., Marie, F., Martin, Anna, Martino, J., Matsuda, T., Meyes, B., Mccarthy, J. S., Medved, K., van Middelkoop, G., Miller, D., Mori, K., Moromisato, J., Nagaitsev, A., Nassalski, J., Naumann, L., Niinikoski, T. O., Oberski, J. E. J., Parks, D. P., Penzo, A., Perez, C., Perrot Kunne, F., Peshekhonov, D., Piegaia, R., Pinsky, L., Platchkov, S., Plo, M., Pose, D., Postma, H., Pretz, J., Pussieux, T., Pyrlik, J., Reyhancan, I., Rieubland, J. M., Rijllart, A., Roberts, J. B., Rock, S., Rodriguez, M., Rondio, E., Rosado, A., Sabo, I., Saborido, J., Sandacz, A., Savin, I., Schiavon, Paolo, Schüler, K. P., Segel, R., Seitz, R., Semertzidis, Y., Sever, F., Shanahan, P., Shumeiko, N., Smirnov, G., Staude, A., Steinmetz, A., Stiegler, U., Stuhrmann, H., Teichert, K. M., Tessarotto, F., Velasco, M., Vogt, J., Voss, R., Weinstein, R., Whitten, C., Windmolders, R., Willumeit, R., Wislicki, W., Witzmann, A., Zanetti, A. M., and Zhao, J.
Subjects: Nuclear and High Energy Physics, Proton, approx. 190 GeV-cms, Hadron, HERA, Nuclear Theory, FOS: Physical sciences, Elementary particle, spin dependence, x-dependence, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), p: polarized target, deep inelastic scattering: muon p, p: structure function, POLARIZED ELECTROPRODUCTION, structure function: moment, NUCLEON, Nuclear Experiment, polarized beam: muon, Spin-½, Physics, BJORKEN SUM-RULE, cross section: asymmetry, High Energy Physics::Phenomenology, Fermion, polarized target: p, dependence: spin, CERN SPS, DEUTERON, magnetic spectrometer: experimental results, sum rule, Baryon, F2, High Energy Physics - Phenomenology, Deuterium, DEEP INELASTIC-SCATTERING, E-P, ASYMMETRY, muon p: deep inelastic scattering, Physics::Accelerator Physics, Phenomenology-HEP, High Energy Physics::Experiment, muon: polarized beam, Atomic physics, Nucleon
Abstract: We have measured the spin-dependent structure function $g_1^p$ of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003, Comment: 11 pages, CERN-PPE/94-57
Published: 1994

48. Combined analysis of world data on nucleon spin structure functions

Author: F. Tessarotto, S. Ishimoto, B. Frois, Shafqat Ahmad, N. Horikawa, A. Penzo, L. Naumann, H. Stuhrmann, M. Plo, W. Wislicki, C. A. Heusch, K. Lau, A. Staude, T. Lindqvist, Per Berglund, J. Cranshaw, A. Witzmann, J. P. Chen, D.V. Peshekhonov, Günter Baum, L. Klostermann, A. Kishi, S. Eichblatt, M. Ballintijn, N. Hayashi, A. Sandacz, R. Kaiser, Lawrence S. Pinsky, A. de Lesquen, A. Dyring, J. S. McCarthy, D. Fasching, G.I. Smirnov, B. E. Bonner, E. von Goeler, S. Platchkov, J. Saborido, A. Martin, T. Gaussiran, S. Trentalange, H. Postma, Ulrich Landgraf, T. J. Ketel, G. van Middelkoop, K. Mori, Sergey M. Sergeev, L. Ropelewski, S. Lopez-Ponte, M. Boutemeur, J. Clement, Yu. Kisselev, H. J. Kessler, W. Thiel, C. Dulya, R. Segel, S. Bültmann, T. Pussieux, C. A. Whitten, R. Voss, V. Krivokhijine, M. Giorgi, A. Karev, E. Burtin, Y. Tzamouranis, Ricardo Piegaia, A. Rijllart, D. Pose, T. Hasegawa, K. M. Teichert, K. P. Schüler, I. Sabo, Bernardo Adeva, F. Feinstein, M. Velasco, A. Arvidson, S. K. Dhawan, T. Çuhadar, G. Bardin, T. Layda, R. van Dantzig, G. Gracia, E. Rondio, M. Lowe, S. Dalla Torre, D. Sanders, E. M. Kabuß, M. Clocchiatti, A. Magnon, I.A. Savin, M. Litmaath, F. Perrot-Kunne, F. Lehar, G. Perez, S. Okumi, B. W. Mayes, G. S. Mutchler, A. Brüll, Gerhard K. Mallot, J. Moromisato, Alessandro Bressan, D. Day, D. von Harrach, J. M. Rieubland, N. de Botton, Victor Kukhtin, J. Pyrlik, M. Grosse Perdekamp, L. Betev, I. G. Bird, A. Rosado, J. A. Buchanan, Takahiro Iwata, F. Marie, C. Garabatos, J. Martino, D. Crabb, J. Vogt, A. Steinmetz, J. Mitchell, M. D. Corcoran, M. de Jong, J. E. J. Oberski, Jinkui Zhao, Phiala E. Shanahan, Aina Yañez, T. O. Niinikoski, Deborah L. Miller, R. Birsa, B. Badelek, C. Fernandez, J. B. Roberts, R. Windmolders, Andrés Gómez, F. Sever, V. W. Hughes, Matias Rodriguez, R. Seitz, J. Lichtenstadt, G. Igo, J. A. Garzon, Franco Bradamante, M. Lamanna, P. Björkholm, C. Cavata, A. M. Zanetti, P. Schiavon, J. Nassalski, Roy Weinstein, J. C. Faivre, J. Kyynäräinen, B., Adeva, S., Ahmad, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, A., Brüll, J., Buchanan, S., Bültmann, E., Burtin, C., Cavata, J. P., Chen, J., Clement, M., Clocchiatti, M. D., Corcoran, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, D., Day, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, C., Garabato, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, A., Gomez, G., Gracia, M., Grosse Perdekamp, D., von Harrach, T., Hasegawa, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, M., de Jong, E. M., Kabuß, R., Kaiser, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, V., Krivokhijine, V., Kukhtin, J., Kyynäräinen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, B., Maye, J. S., Mccarthy, G., van Middelkoop, D., Miller, J., Mitchell, K., Mori, J., Moromisato, G. S., Mutchler, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, S., Okumi, A., Penzo, G., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, T., Pussieux, J., Pyrlik, J. M., Rieubland, A., Rijllart, J. B., Robert, M., Rodriguez, E., Rondio, L., Ropelewski, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, D., Sander, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, S., Sergeev, F., Sever, P., Shanahan, G., Smirnov, A., Staude, A., Steinmetz, H., Stuhrmann, K. M., Teichert, F., Tessarotto, W., Thiel, S., Trentalange, Y., Tzamourani, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, A., Yañez, Zanetti, ANNA MARIA, and J., Zhao
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, Strange quark, Neutron magnetic moment, n: structure function, Nuclear Theory, sum rule: Bjorken, Nucleon spin structure, structure function: spin, Nuclear physics, numerical calculations: interpretation of experiments, polarised deep inelastic scattering, quark: strangeness, Neutron, p: structure function, structure function: moment, Nuclear Experiment, Spin-½, Physics, spin: structure function, deuteron: structure function, deuteron and neutron spin dependent structure function, deuteron and neutron spin dependent structure functions, quark: spin, Nuclear magnetic moment, High Energy Physics::Experiment, Nucleon, SMC experiment, proton, Particle Physics - Experiment, spin: quark
Abstract: We analyse the proton, deuteron and neutron spin dependent structure functions at fixed $Q^{2}$ = 5 GeV$^{2}$. The experimental asymmetries for the proton, neutron and deuteron are compared and found to be consistent. The first moment of the neutron structure function is evaluated using all available data. We find that the Bjorken sum rule is confirmed within an experimental uncertainty of 17%. The quark spin contribution to the nucleon spin is small, and the strange quark spin content is different from zero.
Published: 1994

49. Measurement of the deuteron polarization in a large target

Author: B. Frois, F. Sever, J. Vogt, G. Salvato, G. Gracia, S. Ishimoto, D. Sanders, Sergey M. Sergeev, T. Lindqvist, N. Horikawa, R. Seitz, H. Postma, I. Sabo, D.V. Peshekhonov, G. Bardin, M. Litmaath, Alessandro Bressan, M. Lowe, D. von Harrach, P. Shanahan, J. H. Moromisato, R. Kaiser, R. Voss, C. Whitten, J. Pyrlik, Tjeerd Ketel, M. Plo, F. Marie, L. Betev, G. Perez, R. van Dantzig, T. Çuhadar, S. Platchkov, A. Sandacz, O. Rondon, A. Brüll, G.I. Smirnov, S. Dalla Torre, G. van Middelkoop, M. Clocchiatti, Anna Zanetti, A. Witzmann, M. Ballintijn, J. Kyynäräinen, N. Hayashi, K. Mori, P. Björkholm, H. Stuhrmann, C. A. Heusch, C. Cavata, J.M. Clement, T. Pussieux, Roy Weinstein, L. Klostermann, B. Neganov, Gerhard K. Mallot, T. O. Niinikoski, J. Lichtenstadt, J. M. Rieubland, Kwong Lau, B. E. Bonner, J.A. Buchanan, M. Rodriguez, F. Perrot-Kunne, S. Bültmann, Patrick Hautle, D. Pose, Donal Day, N. de Botton, Victor Kukhtin, M. Lamanna, A. Rijllart, Bernardo Adeva, F. Tessarotto, N.I. Zamiatin, A. Dyring, P. Schüler, C. Garabatos, David Miller, L. Naumann, C. Dulya, P. Berglund, E. Rondio, Ricardo Piegaia, M. Giorgi, T. Layda, T. Gaussiran, Y. Kisselev, J. Cranshaw, T. Hasegawa, Shafqat Ahmad, I. A. Golutvin, M. Velasco, W. Thiel, Wojciech Wislicki, S. Eichblatt, J. Saborido, S. Okumi, S. Lopez-Ponte, W. Knop, E. Burtin, M. Boutemeur, D. Fasching, E. M. Kabuss, J. S. McCarthy, A. Kishi, A. Rosado, Lawrence S. Pinsky, A. de Lesquen, J. Oberski, A. Staude, R. Birsa, D. Krämer, Y. Tzamouranis, J. Mitchell, Aldo Penzo, A. Magnon, J. P. Chen, M. D. Corcoran, Günter Baum, V. Krivokhijine, A. Steinmetz, A. Karev, R.E. Segel, F. Lehar, E. von Goeler, Alan D. Martin, W. Grübler, J. Martino, V. W. Hughes, D. Crabb, Ulrich Landgraf, F. Feinstein, G.S. Mutchler, K. M. Teichert, Jay Roberts, I. G. Bird, M. Grosse Perdekamp, G. Igo, Takahiro Iwata, J. A. Garzon, Franco Bradamante, H. J. Kessler, Roland Windmolders, I.A. Savin, P. Schiavon, B. W. Mayes, L. Ropelewski, A. Arvidson, S. K. Dhawan, M. de Jong, Julien Faivre, J. Nassalski, A. Yañez, B. Badelek, C. Fernandez, Andrés Gómez, I. Kiryushin, B., Adeva, S., Ahmad, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, A., Brüll, J., Buchanan, S., Bültmann, E., Burtin, C., Cavata, J. P., Chen, J., Clement, M., Clocchiatti, M. D., Corcoran, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, D., Day, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, C., Garabato, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, I. A., Golutvin, A., Gomez, G., Gracia, M., Grosse Perdekamp, W., Grübler, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, M., de Jong, E. M., Kabu, R., Kaiser, A., Karev, H. J., Kessler, T. J., Ketel, I., Kiryushin, A., Kishi, Y., Kisselev, L., Klostermann, W., Knop, D., Krämer, V., Krivokhijine, V., Kukhtin, J., Kyynäräinen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, B., Maye, J. S., Mccarthy, G., van Middelkoop, D., Miller, J., Mitchell, K., Mori, J., Moromisato, G. S., Mutchler, J., Nassalski, L., Naumann, B., Neganov, T. O., Niinikoski, J. E. J., Oberski, S., Okumi, A., Penzo, G., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, T., Pussieux, J., Pyrlik, J. M., Rieubland, A., Rijllart, J. B., Robert, M., Rodriguez, E., Rondio, O., Rondon, L., Ropelewski, A., Rosado, I., Sabo, J., Saborido, G., Salvato, A., Sandacz, D., Sander, I., Savin, Schiavon, Paolo, P., Schüler, R., Segel, R., Seitz, S., Sergeev, F., Sever, P., Shanahan, G., Smirnov, A., Staude, A., Steinmetz, H., Stuhrmann, K. M., Teichert, F., Tessarotto, W., Thiel, Y., Tzamourani, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, A., Yañez, N. I., Zamiatin, and Zanetti, ANNA MARIA
Subjects: Nuclear and High Energy Physics, deuteron: polarized target, deuteron target polarization measurement, PROTON, ND3, polarized target: deuteron, polarization: longitudinal, measurement: polarization, muon deuteron: nuclear reaction, Electromagnetic interference, Nuclear physics, Thermal, NMR system, Detectors and Experimental Techniques, Instrumentation, polarized beam: muon, Physics, Thermal equilibrium, Reproducibility, Muon, magnetic: resonance, CERN SPS, Polarization (waves), longitudinal: polarization, Magnetic field, Computational physics, Deuterium, polarization: measurement, resonance: magnetic, muon: polarized beam
Abstract: The 10-probe NMR system for measuring the polarization in the deuterated butanol target of the Spin Muon Collaboration is presented. It is calibrated by determining the integrated spectrum in thermal equilibrium at 1 K. Thermal stabilization and control of electromagnetic interference were effective in reducing drift and electronic noise, so that high quality thermal equilibrium signals were obtained. The calibration constant was determined with a reproducibility of 2%. Systematic effects of circuit drift and of the magnetic field shift have been studied. The resulting 4.4% uncertainty of the calibration dominates the 5% overall error on the target polarization value which was typically 0.45.
Published: 1994

50. Nuclear structure functions in carbon near x = 1

Author: J. Zacek, Victor Kukhtin, Y. Sacquin, L. Monari, A. Misztajn, I.A. Savin, J. Cvach, Yu. T. Kirvushin, V. S. Kiselev, J. Feltesse, G.I. Smirnov, Ahmimed Ouraou, P. Verrecchia, A.G. Volodko, M. Virchaux, A. Staude, R. Kopp, L. Piemontese, S. Sultanov, V.I. Genchev, J. Hladky, Igor Golutvin, A. Argento, D. V. Peshekhonov, K. M. Teichert, Tiziano Camporesi, G. Smadja, P. Rich-Hennion, V.G. Krivokhizhin, D. Bollini, S. Nemecek, Č. Zupančič, R. Tirler, Francesco Navarria, Wolfgang Lohmann, R. Voss, D. Jamnik, P. Reiner, Alberto Benvenuti, and U. Meyer-Berkhout
Subjects: Physics, Muon, Physics and Astronomy (miscellaneous), Scattering, Nuclear structure, chemistry.chemical_element, Elementary particle, Deep inelastic scattering, Nuclear physics, chemistry, High Energy Physics::Experiment, Atomic physics, Quantum field theory, Nuclear Experiment, Nucleon, Engineering (miscellaneous), Carbon, Particle Physics - Experiment
Abstract: Data from deep inelastic scattering of 200 GeV muons on a carbon target with squared four-momentum transfer 52 GeV2≤Q2≤200 GeV2 were analysed in the region of the Bjorken variable close tox=1, which is the kinematic limit for scattering on a free nucleon. At this value ofx, the carbon structure function is found to beF2C≈1.2·10−4. Thex dependence of the structure function forx>0.8 is well described by an exponentialF2C∞exp(−sx) withs=16.5±0.6.
Published: 1993

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