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101. Contribution of exclusive diffractive processes to the measured azimuthal asymmetries in SIDIS

Author: F. Tosello, Andrea Ferrero, Jen-Chieh Peng, Norihiro Doshita, N. d'Hose, W.-D. Nowak, S. Ramos, S.S. Dasgupta, J. Smolik, Valery E. Lyubovitskij, Nikolay Anfimov, R. Joosten, O. Subrt, A. Koval, B. Ventura, J.F.C.A. Veloso, M. Mikhasenko, R.R. Dusaev, V. Tskhay, G.V. Meshcheryakov, B. Grube, H. Pekeler, P.D. Eversheim, H. Suzuki, C.D.R. Azevedo, Anne-Laure Martin, A. Srnka, Yu. V. Mikhailov, F. Tessarotto, K. Kondo Horikawa, G. Mattson, A.B. Ivanov, Alexandr Selyunin, M. Virius, Y. Miyachi, Yuxiang Zhao, Frank Klein, J. Lichtenstadt, M. Quaresma, O.M. Kouznetsov, O.Yu. Denisov, F. Gautheron, C. Chatterjee, K. Zaremba, P.M.M. Correia, V. Andrieux, Y. Bedfer, Markus Ball, Nour Makke, I. Konorov, S. Sarkar, V. Anosov, V.F. Konstantinov, W. C. Chang, M. V. Zavertyaev, V.A. Polyakov, Alessandro Bressan, D. Neyret, A. Sandacz, C. Franco, P. Jörg, G. Sbrizzai, B.M. Veit, S. Wallner, D. von Harrach, F. Kunne, Adam Szabelski, J. Agarwala, Miroslav Sulc, M. Meyer, Z. Kral, S. Levorato, A.G. Chumakov, A. Amoroso, A. Vauth, D.I. Ryabchikov, A. Magnon, C.-Y. Hsieh, V.E. Burtsev, O.P. Gavrichtchouk, S. Ishimoto, Martin Bodlak, L. Sinha, T. Matsuda, W. Augustyniak, H. Fischer, V. Frolov, Soumen Paul, N. Mitrofanov, R. Beck, T. Rudnicki, R.P. Kurjata, A. Kerbizi, Naomi C R Makins, A. Grasso, A. Townsend, M. Büchele, A.G. Olshevsky, K. Lavickova, J. Pretz, R. Longo, D.V. Peshekhonov, A. Nagaytsev, F. Balestra, M. Finger, M. Wilfert, T. Iwata, S. Platchkov, P. Zavada, N. Pierre, Jan Matousek, G. Reicherz, J.H. Koivuniemi, M. Grosse Perdekamp, Maria Liz Crespo, Yakov Petrovich Kulinich, F. Pereira, Y.-S. Lian, M. Gorzellik, S.-U. Chung, A. Antoshkin, P. Sznajder, S. V. Donskov, M. Pešek, V. Jary, A. Gridin, M. Stolarski, J. Nový, M.G. Alexeev, M. A. Faessler, S. Uhl, François Herrmann, P.-J. Lin, J. Giarra, Kamil Augsten, M. Pešková, I. Gnesi, A.S. Nunes, D. Panzieri, Janusz Marzec, J. Berenguer Antequera, Arseniy Rybnikov, M. Ziembicki, D. Steffen, Jan Tomsa, Franco Bradamante, Yu. Kisselev, E. M. Kabuß, A.V. Efremov, C. Riedl, P. Bordalo, Johannes Bernhard, Ch. Dreisbach, A. Guskov, C. Quintans, A. Maggiora, A. Thiel, I.A. Savin, M. Ostrick, G. D. Alexeev, G.V. Khaustov, W. Dünnweber, M. Slunečka, A. Kveton, R. Heitz, Andres Cicuttin, A. Moretti, V.D. Samoylenko, M. Jandek, S.A. Mamon, A. Maltsev, I. Denisenko, S. Dalla Torre, G. Nukazuka, M. Chiosso, J. Pochodzalla, M. Zemko, F. Kaspar, W. Meyer, K. Kurek, A. Vidon, B. Marianski, Bakur Parsamyan, S. Gerassimov, N. Horikawa, S. Tessaro, M. Wagner, F. Krinner, Yu.A. Khokhlov, Aram Kotzinian, B.I. Vasilishin, J. Barth, S. Dasgupta, E. Mitrofanov, Gerhard K. Mallot, D. D'Ago, C. Naim, L. Dhara, B. Badelek, B. Ketzer, H. Schmieden, J.M. Friedrich, S. Huber, E. Zemlyanichkina, A. Rychter, V.N. Kolosov, Agarwala, J., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Antoshkin, A., Augsten, K., Augustyniak, W., Azevedo, C. D. R., Badelek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Berenguer Antequera, J., Bernhard, J., Bodlak, M., Bordalo, P., Bradamante, F., Bressan, A., Buchele, M., Burtsev, V. E., Chang, W. -C., Chatterjee, C., Chiosso, M., Chumakov, A. G., Chung, S. -U., Cicuttin, A., Correia, P. M. M., Crespo, M. L., D'Ago, D., Dalla Torre, S., Dasgupta, S. S., Dasgupta, S., Denisenko, I., Denisov, O. Y., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, C., Dunnweber, W., Dusaev, R. R., Efremov, A., Eversheim, P. D., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., Friedrich, J. M., Frolov, V., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Gnesi, I., Gorzellik, M., Grasso, A., Gridin, A., Grosse Perdekamp, M., Grube, B., Guskov, A., von Harrach, D., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Iwata, T., Jandek, M., Jary, V., Joosten, R., Jorg, P., Kabuss, E., Kaspar, F., Kerbizi, A., Ketzer, B., Khaustov, G. V., Khokhlov, Y. A., Kisselev, Y., Klein, F., Koivuniemi, J. H., Kolosov, V. N., Kondo Horikawa, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Koval, A., Kral, Z., Krinner, F., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Kveton, A., Lavickova, K., Levorato, S., Lian, Y. -S., Lichtenstadt, J., Lin, P. -J., Longo, R., Lyubovitskij, V. E., Maggiora, A., Magnon, A., Makins, N., Makke, N., Mallot, G. K., Maltsev, A., Mamon, S. A., Marianski, B., Martin, A., Marzec, J., Matousek, J., Matsuda, T., Mattson, G., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Y. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Moretti, A., Nagaytsev, A., Naim, C., Neyret, D., Novy, J., Nowak, W. -D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Pekeler, H., Peng, J. -C., Pereira, F., Pesek, M., Peshekhonov, D. V., Peskova, M., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Reicherz, G., Riedl, C., Rudnicki, T., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Samoylenko, V. D., Sandacz, A., Sarkar, S., Savin, I. A., Sbrizzai, G., Schmieden, H., Selyunin, A., Sinha, L., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, A., Sznajder, P., Tessaro, S., Tessarotto, F., Thiel, A., Tomsa, J., Tosello, F., Townsend, A., Tskhay, V., Uhl, S., Vasilishin, B. I., Vauth, A., Veit, B. M., Veloso, J., Ventura, B., Vidon, A., Virius, M., Wagner, M., Wallner, S., Wilfert, M., Zaremba, K., Zavada, P., Zavertyaev, M., Zemko, M., Zemlyanichkina, E., Zhao, Y., Ziembicki, M., Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, and COMPASS
Subjects: HERMES experiment, virtual [photon], Hadron, leptoproduction [hadron], measurement methods, Nuclear Theory, Virtual particle, HERMES, 01 natural sciences, SIDIS, COMPASS, hadron: leptoproduction, High Energy Physics - Experiment, azimthal asymmetrie, production [diffraction], High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), semi-inclusive reaction [deep inelastic scattering], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], COMPASS experiment, Nuclear Experiment, Physics, deep inelastic scattering: semi-inclusive reaction, nucleon, hep-ph, photon: energy, TMD obsvervable, angular dependence, High Energy Physics - Phenomenology, modulation, hadron: final state, TMD obsvervables, beam [muon], asymmetry [angular distribution], interpretation of experiments, deuteron: target, transverse momentum [quark], Nucleon, diffraction: production, Particle Physics - Experiment, Quark, Nuclear and High Energy Physics, Particle physics, azimthal asymmetries, exclusive reaction, angular distribution: asymmetry, Meson, FOS: Physical sciences, vector meson: production, 0103 physical sciences, kinematics: effect, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, ddc:530, final state [hadron], 010306 general physics, Particle Physics - Phenomenology, Muon, muon: beam, 010308 nuclear & particles physics, production [vector meson], hep-ex, energy [photon], CERN SPS, effect [kinematics], lcsh:QC770-798, quark: transverse momentum, High Energy Physics::Experiment, target [deuteron], photon: virtual
Abstract: Hadron leptoproduction in Semi-Inclusive measurements of Deep-Inelastic Scattering (SIDIS) on unpolarised nucleons allows one to get information on the intrinsic transverse momentum of quarks in a nucleon and on the Boer-Mulders function through the measurement of azimuthal modulations in the cross section. These modulations were recently measured by the HERMES experiment at DESY on proton and deuteron targets, and by the COMPASS experiment using the CERN SPS muon beam and a $^6$LiD target. In both cases, the amplitudes of the $\cos\phi_h$ and $\cos 2\phi_h$ modulations show strong kinematic dependences for both positive and negative hadrons. It has been known since some time that the measured final-state hadrons in those SIDIS experiments receive a contribution from exclusive diffractive production of vector mesons, particularly important at large values of $z$, the fraction of the virtual photon energy carried by the hadron. In previous measurements of azimuthal asymmetries this contribution was not taken into account, because it was not known that it could distort the azimuthal modulations. Presently, a method to evaluate the contribution of the exclusive reactions to the azimuthal asymmetries measured by COMPASS has been developed. The subtraction of this contribution results in a better understanding of the kinematic effects, and the remaining non-zero $\cos 2\phi_h$ modulation gives indication for a non-zero Boer-Mulders effect., Comment: 13 pages, 7 figures
Published: 2019

102. New analysis of ηπ tensor resonances measured at the COMPASS experiment

Author: L. Sinha, T. Matsuda, C. Quintans, A. Jackura, E.A. Levchenko, Andrew Ivanov, M.G. Alexeev, D. von Harrach, S. Uhl, J. Giarra, Michal Dziewiecki, Nikolay Anfimov, Franco Bradamante, M. Krämer, Jen-Chieh Peng, N. C. R. Makins, S.S. Dasgupta, W.-D. Nowak, Fabrice Gautheron, E. Fuchey, R. Joosten, P. Jörg, E. M. Kabuß, César Fernández-Ramírez, Jan Matousek, Aram Kotzinian, S.A. Mamon, M. A. Faessler, Adam P. Szczepaniak, M. Aghasyan, J. Pochodzalla, P. Bordalo, F. Kunne, A. Maggiora, A. Vauth, A. Antoshkin, M. Slunecka, Geoffrey C. Fox, R.R. Dusaev, V. Tskhay, W. Augustyniak, S. Ramos, S. Levorato, V.E. Burtsev, B.I. Vasilishin, V. Andrieux, Kamil Augsten, Adam Szabelski, N. I. Zhuravlev, M. Tasevsky, E. Mitrofanov, I.A. Savin, N. Mitrofanov, P. Sznajder, K. Kondo, P. Kremser, K. Schmidt, Andrea Ferrero, G.V. Meshcheryakov, J. Lichtenstadt, Sagari Sarkar, Yu. V. Mikhailov, O.Yu. Denisov, Z. Kral, P. Schiavon, M. Stolarski, D. Steffen, M. Gorzellik, Y. Bedfer, M. Büchele, J. ter Wolbeek, F. Giordano, C. Chatterjee, J. Nový, A. Kveton, S. Sirtl, S.-U. Chung, J.H. Koivuniemi, Jan Tomsa, A. Thiel, Norihiro Doshita, S. Platchkov, M. Grosse Perdekamp, E. Seder, P. Zavada, H. Matsuda, D. Neyret, R. Beck, A. Kerbizi, A. Nagaytsev, F. Balestra, N. Pierre, A. Grasso, A.V. Efremov, François Herrmann, Miroslav Sulc, Laura Silva, F. Tessarotto, M. Ziembicki, Celso Augusto Guimarães Santos, F. Pereira, G. Nukazuka, N. d'Hose, A. Magnon, J. Smolik, W. Meyer, Maria Liz Crespo, V. Jary, K. Zaremba, Yakov Petrovich Kulinich, S. Gerassimov, F. H. Heinsius, Andres Cicuttin, I. Orlov, V.D. Samoylenko, G. Reicherz, M. Pešková, Valery E. Lyubovitskij, S. V. Donskov, M. Pešek, R. Akhunzyanov, Takahiro Iwata, V.A. Polyakov, A.S. Nunes, M. Finger, S. Dalla Torre, N. Horikawa, D. Panzieri, Janusz Marzec, S. Dasgupta, A. Austregesilo, O. Subrt, G. Sbrizzai, G.V. Khaustov, F. Tosello, G. D. Alexeev, C. Riedl, T. Grussenmeyer, C. Regali, W. Dünnweber, I. Konorov, A. Amoroso, K. Bicker, V. Anosov, Yu. Kisselev, Johannes Bernhard, Ch. Dreisbach, A. Guskov, R. Salac, S. Tessaro, D. Hahne, P.D. Eversheim, N. du Fresne von Hohenesche, T. Schlüter, M. Ostrick, Andrea Bressan, T. Szameitat, Y. Miyachi, H. Suzuki, C.D.R. Azevedo, E.R. Bielert, A.G. Olshevsky, A.A. Lednev, R. Birsa, Jannes Nys, F. Krinner, R. Heitz, Yu.A. Khokhlov, M. Levillain, C.-Y. Hsieh, V. Frolov, J. Barth, Soumen Paul, Gerhard K. Mallot, A. Sandacz, T. Weisrock, I. J. Choi, Ilya Kuznetsov, F. Nerling, A. Srnka, K. Königsmann, M. V. Zavertyaev, H. Schmieden, J.M. Friedrich, S. Huber, E. Zemlyanichkina, Alessandro Pilloni, N.S. Rogacheva, Y.-S. Lian, A. Vidon, B. Marianski, Bakur Parsamyan, Z.V. Kroumchtein, L. Dhara, Anne-Laure Martin, G. Hamar, B. Badelek, V.F. Konstantinov, S. Wallner, S. Ishimoto, H. Fischer, B. Ketzer, A. Rychter, Frank Klein, R. Longo, V.N. Kolosov, K. Schönning, C. Franco, V. Pauk, Markus Ball, Yu. Ivanshin, D.I. Ryabchikov, J.F.C.A. Veloso, R.P. Kurjata, O.M. Kouznetsov, M. Virius, Mikhail Mikhasenko, B. Grube, Alexandr Selyunin, Nour Makke, W. C. Chang, M. Quaresma, D.V. Peshekhonov, I. Gnesi, M. Meyer, A.G. Chumakov, J. Pretz, T. Sawada, M. Chiosso, K. Kurek, Vincent Mathieu, Arseniy Rybnikov, M. Wilfert, O.P. Gavrichtchouk, Martin Bodlak, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, JPAC, COMPASS, Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Jackura, A., Fernández-Ramírez, C., Mikhasenko, M., Pilloni, A., Mathieu, V., Nys, J., Pauk, V., Szczepaniak, A. P., Fox, G., Aghasyan, M., Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Antoshkin, A., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., Badełek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, R., Bodlak, M., Bordalo, P., Bradamante, F., Bressan, A., Büchele, M., Burtsev, V. E., Chang, W. -C., Chatterjee, C., Chiosso, M., Choi, I., Chumakov, A. G., Chung, S. -U., Cicuttin, A., Crespo, M. L., Dalla Torre, S., Dasgupta, S. S., Dasgupta, S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, Ch., Dünnweber, W., Dusaev, R. R., Dziewiecki, M., Efremov, A., Eversheim, P. D., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, F., Gnesi, I., Gorzellik, M., Grasso, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Hahne, D., Hamar, G., von Harrach, D., Heinsius, F. H., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Yu., Iwata, T., Jary, V., Joosten, R., Jörg, P., Kabuß, E., Kerbizi, A., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Kral, Z., Krämer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Kuznetsov, I. I., Kveton, A., Lednev, A. A., Levchenko, E. A., Levillain, M., Levorato, S., Lian, Y. -S., Lichtenstadt, J., Longo, R., Lyubovitskij, V. E., Maggiora, A., Magnon, A., Makins, N., Makke, N., Mallot, G. K., Mamon, S. A., Marianski, B., Martin, A., Marzec, J., Matoušek, J., Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Yu. V., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Nagaytsev, A., Nerling, F., Neyret, D., Nový, J., Nowak, W. -D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. -C., Pereira, F., Pešek, M., Pešková, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Rogacheva, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, G., Schiavon, P., Schlüter, T., Schmidt, K., Schmieden, H., Schönning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, A., Szameitat, T., Sznajder, P., Tasevsky, M., Tessaro, S., Tessarotto, F., Thiel, A., Tomsa, J., Tosello, F., Tskhay, V., Uhl, S., Vasilishin, B. I., Vauth, A., Veloso, J., Vidon, A., Virius, M., Wallner, S., Weisrock, T., Wilfert, M., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., and Ziembicki, M.
Subjects: M012M3, 11.80.Et, COMPASS, 01 natural sciences, High Energy Physics - Experiment, UNITARITY, Subatomär fysik, Pomeron, Compass, excited state, Subatomic Physics, Nuclear and high energy physics, peripheral photoproduction, physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], COMPASS experiment, EXCHANGE, a2(1320), Nuclear Experiment, a2(1700), Quantum chromodynamics, Physics, Unitarity, PP INTERACTIONS, hep-ph, amplitude analysis, MESONS, lcsh:QC1-999, analytic properties, High Energy Physics - Phenomenology, Amplitude, S-matrix, Particle Physics - Experiment, AMPLITUDE ANALYSIS, Nuclear and High Energy Physics, Particle physics, Meson, CONNECTION, PHYSICS, 14.40.Be, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], pomeron, 0103 physical sciences, ddc:530, Tensor, 010306 general physics, M012W3, Particle Physics - Phenomenology, POMERON, hep-ex, 010308 nuclear & particles physics, M162M, 11.55.Bq, 11.55.Fv, meson resonance, M162W, Physics and Astronomy, 450 GEV/C, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics::Experiment, MATRIX, lcsh:Physics
Abstract: We present a new amplitude analysis of the $\eta\pi$ $D$-wave in $\pi^- p\to \eta\pi^- p$ measured by COMPASS. Employing an analytical model based on the principles of the relativistic $S$-matrix, we find two resonances that can be identified with the $a_2(1320)$ and the excited $a_2^\prime(1700)$, and perform a comprehensive analysis of their pole positions. For the mass and width of the $a_2$ we find $M=(1307 \pm 1 \pm 6)$~MeV and $\Gamma=(112 \pm 1 \pm 8)$~MeV, and for the excited state $a_2^\prime$ we obtain $M=(1720 \pm 10 \pm 60)$~MeV and $\Gamma=(280\pm 10 \pm 70)$~MeV, respectively., Comment: 15 pages, 6 figures
Published: 2018

103. Transverse extension of partons in the proton probed in the sea-quark range by measuring the DVCS cross section

Author: C. Quintans, A. Vidon, N. C. R. Makins, E. Fuchey, M. V. Zavertyaev, Nikolay Anfimov, Mikhail Mikhasenko, K. Zaremba, V.A. Polyakov, Y.-S. Lian, Franco Bradamante, R. Joosten, C. Marchand, Alexandr Selyunin, G. Sbrizzai, Jan Matousek, G. Reicherz, M. Levillain, C.-Y. Hsieh, B. Grube, V. Frolov, A. Amoroso, N. du Fresne von Hohenesche, C. Riedl, Aram Kotzinian, Nour Makke, W. C. Chang, S.A. Mamon, P. Schiavon, Soumen Paul, V. Andrieux, H. Schmieden, J.M. Friedrich, Adam Szabelski, S. V. Donskov, M. Pešek, A. Srnka, Z.V. Kroumchtein, M. Quaresma, S.-U. Chung, S. Huber, I. J. Choi, A.S. Nunes, P.D. Eversheim, W. Duennweber, J. Pochodzalla, R. Akhunzyanov, T. Sawada, J. Novy, D. Panzieri, Janusz Marzec, K. Schoennig, R.P. Kurjata, H. Suzuki, C.D.R. Azevedo, H. Matsuda, Ilya Kuznetsov, S. Platchkov, M. Faessler, M. Stolarski, François Herrmann, D.V. Peshekhonov, B.I. Vasilishin, M. Virius, T. Grussenmeyer, F. Tessarotto, E. Zemlyanichkina, P. Bordalo, A. Nagaytsev, F. Balestra, N. Pierre, Andres Cicuttin, A. Moretti, R.R. Dusaev, F. Nerling, V. Tskhay, M. Chiosso, G. Hamar, Frank Klein, M. Kraemer, J. ter Wolbeek, Jan Tomsa, G. D. Alexeev, I.A. Savin, W. Meyer, A.V. Efremov, I. Orlov, V.D. Samoylenko, D.I. Ryabchikov, M. Slunecka, Yu. Kisselev, F. Gautheron, Miroslav Sulc, Markus Ball, Yu. Ivanshin, R. Salac, I. Gnesi, F. Tosello, K. Kurek, M. Ziembicki, M. Ostrick, O.P. Gavrichtchouk, W.-D. Nowak, Martin Bodlak, L. Sinha, M. Buechele, L. Dhara, T. Matsuda, E.R. Bielert, B. Badelek, N. I. Zhuravlev, Norihiro Doshita, M. Meyer, A.G. Chumakov, E. Burtin, A. Maggiora, E.A. Levchenko, B. Ketzer, N. d'Hose, G.V. Meshcheryakov, A. Austregesilo, J. Barth, V.F. Konstantinov, S. Dalla Torre, G.V. Khaustov, A. Rychter, Yu. V. Mikhailov, S. Wallner, R. Longo, V.N. Kolosov, S. Sirtl, J.F.C.A. Veloso, J. Smolik, A. Vauth, O. Subrt, P. Zavada, S. Ishimoto, H. Fischer, Gerhard K. Mallot, J. Pretz, Alan D. Martin, M.G. Alexeev, S. Uhl, A.G. Olshevsky, R. Heitz, A. Grasso, Maria Liz Crespo, Y. Miyachi, A.A. Lednev, O.M. Kouznetsov, J. Giarra, Michal Dziewiecki, M. Grosse Perdekamp, C. Franco, D. Neyret, W. Augustyniak, S. Ramos, M. Gorzellik, V. Jary, F. Pereira, O.Yu. Denisov, S. Gerassimov, N. Horikawa, A. Sandacz, Andrew Ivanov, Arseniy Rybnikov, S. Sarkar, Z. Kral, F. Kunne, T. Szameitat, K. Juraskova, S. Tessaro, D. Hahne, P. Sznajder, N.S. Rogacheva, D. von Harrach, C. Regali, F. Krinner, Yu.A. Khokhlov, B. Marianski, Bakur Parsamyan, D. Steffen, P. Joerg, S. Levorato, R. Beck, A. Kerbizi, V.E. Burtsev, N. Mitrofanov, A. Thiel, M. Tasevsky, E. Mitrofanov, G. Pesaro, A. Gridin, E. Seder, Celso Augusto Guimarães Santos, J. Lichtenstadt, Valery E. Lyubovitskij, M. Finger, R. Birsa, Andrea Ferrero, S. Dasgupta, A. Antoshkin, K. Kondo, Kamil Augsten, Y. Bedfer, C. Chatterjee, V. Anosov, J.H. Koivuniemi, M. Pešková, Jen-Chieh Peng, S.S. Dasgupta, A. Kveton, G. Nukazuka, A. Magnon, I. Konorov, Laura Silva, Yakov Petrovich Kulinich, E. M. Kabuss, Takahiro Iwata, B.M. Veit, K. Bicker, Johannes Bernhard, Ch. Dreisbach, A. Guskov, Andrea Bressan, M. Wilfert, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, COMPASS, Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Antoshkin, A., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., Badelek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, R., Bodlak, M., Bordalo, P., Bradamante, F., Bressan, A., Buchele, M., Burtin, E., Burtsev, V. E., Chang, W. -C., Chatterjee, C., Chiosso, M., Choi, I., Chumakov, A. G., Chung, S. -U., Cicuttin, A., Crespo, M. L., Dalla Torre, S., Dasgupta, S. S., Dasgupta, S., Denisov, O. Y., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, C., Dunnweber, W., Dusaev, R. R., Dziewiecki, M., Efremov, A., Eversheim, P. D., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Gnesi, I., Gorzellik, M., Grasso, A., Gridin, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Hahne, D., Hamar, G., von Harrach, D., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Y., Iwata, T., Jary, V., Joosten, R., Jorg, P., Juraskova, K., Kabuss, E., Kerbizi, A., Ketzer, B., Khaustov, G. V., Khokhlov, Y. A., Kisselev, Y., Klein, F., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Kral, Z., Kramer, M., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Kuznetsov, I. I., Kveton, A., Lednev, A. A., Levchenko, E. A., Levillain, M., Levorato, S., Lian, Y. -S., Lichtenstadt, J., Longo, R., Lyubovitskij, V. E., Maggiora, A., Magnon, A., Makins, N., Makke, N., Mallot, G. K., Mamon, S. A., Marianski, B., Martin, A., Marzec, J., Matousek, J., Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Y. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Moretti, A., Nagaytsev, A., Nerling, F., Neyret, D., Novy, J., Nowak, W. -D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. -C., Pereira, F., Pesek, M., Peskova, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Rogacheva, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, G., Schiavon, P., Schmieden, H., Schonning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, A., Szameitat, T., Sznajder, P., Tasevsky, M., Tessaro, S., Tessarotto, F., Thiel, A., Tomsa, J., Tosello, F., Tskhay, V., Uhl, S., Vasilishin, B. I., Vauth, A., Veit, B. M., Veloso, J., Vidon, A., Virius, M., Wallner, S., Wilfert, M., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., and Ziembicki, M.
Subjects: Photon, generalized parton distribution, muon: polarization, Proton, Generalized Parton Distribution, Parton, measured [cross section], Proton size, nucl-ex, momentum transfer dependence, 01 natural sciences, COMPASS, Subatomär fysik, p: size, Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Nuclear Experiment, Monte Carlo, Quantum chromodynamics, Physics, Range (particle radiation), photon: production, Generalized Parton Distributions, Deep inelastic scattering, Deeply virtual Compton scattering, Exclusive reactions, Exclusive reaction, lcsh:QC1-999, transverse, beam [muon], slope, size: (transverse), Particle Physics - Experiment, Quark, Nuclear and High Energy Physics, exclusive reaction, slope: (calculated), liquid: target [hydrogen], photon: mediation, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear physics, hydrogen: liquid: target, 0103 physical sciences, ddc:530, Nuclear Physics - Experiment, 010306 general physics, beam: polarization, hep-ex, 010308 nuclear & particles physics, muon: beam, 160 GeV/c, +muon+p+photon%22">muon p --> muon p photon, size [p], Compton scattering, cross section: measured, CERN SPS, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics::Experiment, lcsh:Physics, experimental results
Abstract: Physics letters / B B793, 188-194 (2019). doi:10.1016/j.physletb.2019.04.038, Published by North-Holland Publ., Amsterdam
Published: 2019

104. Azimuthal asymmetries of charged hadrons produced in high-energy muon scattering off longitudinally polarised deuterons

Author: C. Adolph, M. Aghasyan, R. Akhunzyanov, M. G. Alexeev, G. D. Alexeev, A. Amoroso, V. Andrieux, N. V. Anfimov, V. Anosov, K. Augsten, W. Augustyniak, A. Austregesilo, C. D. R. Azevedo, B. Badełek, F. Balestra, M. Ball, J. Barth, R. Beck, Y. Bedfer, J. Bernhard, K. Bicker, E. R. Bielert, R. Birsa, M. Bodlak, P. Bordalo, F. Bradamante, C. Braun, A. Bressan, M. Büchele, W.-C. Chang, C. Chatterjee, M. Chiosso, I. Choi, S.-U. Chung, A. Cicuttin, M. L. Crespo, Q. Curiel, S. Dalla Torre, S. S. Dasgupta, S. Dasgupta, O. Yu. Denisov, L. Dhara, S. V. Donskov, N. Doshita, Ch. Dreisbach, V. Duic, W. Dünnweber, M. Dziewiecki, A. Efremov, P. D. Eversheim, W. Eyrich, M. Faessler, A. Ferrero, M. Finger, H. Fischer, C. Franco, N. du Fresne von Vijayan Hohenesche, J. M. Friedrich, V. Frolov, E. Fuchey, F. Gautheron, O. P. Gavrichtchouk, S. Gerassimov, J. Giarra, F. Giordano, I. Gnesi, M. Gorzellik, S. Grabmüller, A. Grasso, M. Grosse Perdekamp, B. Grube, T. Grussenmeyer, A. Guskov, F. Haas, D. Hahne, G. Hamar, D. von Harrach, F. H. Heinsius, R. Heitz, F. Herrmann, N. Horikawa, N. d’Hose, C.-Y. Hsieh, S. Huber, S. Ishimoto, A. Ivanov, Yu. Ivanshin, T. Iwata, V. Jary, R. Joosten, P. Jörg, E. Kabuß, B. Ketzer, G. V. Khaustov, Yu. A. Khokhlov, Yu. Kisselev, F. Klein, K. Klimaszewski, J. H. Koivuniemi, V. N. Kolosov, K. Kondo, K. Königsmann, I. Konorov, V. F. Konstantinov, A. M. Kotzinian, O. M. Kouznetsov, M. Krämer, P. Kremser, F. Krinner, Z. V. Kroumchtein, Y. Kulinich, F. Kunne, K. Kurek, R. P. Kurjata, A. A. Lednev, A. Lehmann, M. Levillain, S. Levorato, Y.-S. Lian, J. Lichtenstadt, R. Longo, A. Maggiora, A. Magnon, N. Makins, N. Makke, G. K. Mallot, B. Marianski, A. Martin, J. Marzec, J. Matoušek, H. Matsuda, T. Matsuda, G. V. Meshcheryakov, M. Meyer, W. Meyer, Yu. V. Mikhailov, M. Mikhasenko, E. Mitrofanov, N. Mitrofanov, Y. Miyachi, A. Nagaytsev, F. Nerling, D. Neyret, J. Nový, W.-D. Nowak, G. Nukazuka, A. S. Nunes, A. G. Olshevsky, I. Orlov, M. Ostrick, D. Panzieri, B. Parsamyan, S. Paul, J.-C. Peng, F. Pereira, M. Pešek, D. V. Peshekhonov, N. Pierre, S. Platchkov, J. Pochodzalla, V. A. Polyakov, J. Pretz, M. Quaresma, C. Quintans, S. Ramos, C. Regali, G. Reicherz, C. Riedl, M. Roskot, N. S. Rossiyskaya, D. I. Ryabchikov, A. Rybnikov, A. Rychter, R. Salac, V. D. Samoylenko, A. Sandacz, C. Santos, S. Sarkar, I. A. Savin, T. Sawada, G. Sbrizzai, P. Schiavon, K. Schmidt, H. Schmieden, K. Schönning, E. Seder, A. Selyunin, L. Silva, L. Sinha, S. Sirtl, M. Slunecka, J. Smolik, A. Srnka, D. Steffen, M. Stolarski, O. Subrt, M. Sulc, H. Suzuki, A. Szabelski, T. Szameitat, P. Sznajder, S. Takekawa, M. Tasevsky, S. Tessaro, F. Tessarotto, F. Thibaud, A. Thiel, F. Tosello, V. Tskhay, S. Uhl, J. Veloso, M. Virius, J. Vondra, S. Wallner, T. Weisrock, M. Wilfert, J. ter Wolbeek, K. Zaremba, P. Zavada, M. Zavertyaev, E. Zemlyanichkina, N. Zhuravlev, M. Ziembicki, A. Zink, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, COMPASS, Adolph, C., Aghasyan, M., Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., Badełek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, R., Bodlak, M., Bordalo, P., Bradamante, F., Braun, C., Bressan, A., Büchele, M., Chang, W. -C., Chatterjee, C., Chiosso, M., Choi, I., Chung, S. -U., Cicuttin, A., Crespo, M. L., Curiel, Q., Torre, S. Dalla, Dasgupta, S. S., Dasgupta, S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, Ch., Duic, V., Dünnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., von Vijayan Hohenesche, N. du Fresne, Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, F., Gnesi, I., Gorzellik, M., Grabmüller, S., Grasso, A., Perdekamp, M. Grosse, Grube, B., Grussenmeyer, T., Guskov, A., Haas, F., Hahne, D., Hamar, G., von Harrach, D., Heinsius, F. H., Heitz, R., Herrmann, F., Horikawa, N., D’Hose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Yu., Iwata, T., Jary, V., Joosten, R., Jörg, P., Kabuß, E., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Krämer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Lednev, A. A., Lehmann, A., Levillain, M., Levorato, S., Lian, Y. -S., Lichtenstadt, J., Longo, R., Maggiora, A., Magnon, A., Makins, N., Makke, N., Mallot, G. K., Marianski, B., Martin, A., Marzec, J., Matoušek, J., Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Yu. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Nagaytsev, A., Nerling, F., Neyret, D., Nový, J., Nowak, W. -D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. -C., Pereira, F., Pešek, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Roskot, M., Rossiyskaya, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, G., Schiavon, P., Schmidt, K., Schmieden, H., Schönning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, A., Szameitat, T., Sznajder, P., Takekawa, S., Tasevsky, M., Tessaro, S., Tessarotto, F., Thibaud, F., Thiel, A., Tosello, F., Tskhay, V., Uhl, S., Veloso, J., Virius, M., Vondra, J., Wallner, S., Weisrock, T., Wilfert, M., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., Ziembicki, M., and Zink, A.
Subjects: virtual [photon], Physics and Astronomy (miscellaneous), Nuclear Theory, Hadron, 140-180 GeV/c, parton: distribution function, Virtual particle, muon deuteron: semi-inclusive reaction, hadron: transverse momentum, electroproduction [charged particle], transverse momentum dependence, COMPASS, fragmentation function, 01 natural sciences, High Energy Physics - Experiment, Subatomär fysik, High Energy Physics - Experiment (hep-ex), longitudinal spin, High Energy Physics - Phenomenology (hep-ph), semi-inclusive reaction [deep inelastic scattering], Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], polarized target: longitudinal, Nuclear Experiment, charged particle: electroproduction, transverse momentum [hadron], Physics, deep inelastic scattering: semi-inclusive reaction, hep-ph, Azimuth, High Energy Physics - Phenomenology, TMD, deuteron, modulation, Amplitude, asymmetry [angular distribution], kinematics, semi-inclusive reaction [muon deuteron], distribution function [parton], Particle Physics - Experiment, Particle physics, angular distribution: asymmetry, deep inelastic scattering [muon deuteron], longitudinal [polarized target], FOS: Physical sciences, lcsh:Astrophysics, muon deuteron: deep inelastic scattering, Computer Science::Digital Libraries, energy dependence, x-dependence, lcsh:QB460-466, 0103 physical sciences, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, ddc:530, 010306 general physics, Engineering (miscellaneous), Particle Physics - Phenomenology, Muon, hep-ex, 010308 nuclear & particles physics, Scattering, High Energy Physics::Phenomenology, Charge (physics), CERN SPS, Deep inelastic scattering, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], fractional, lcsh:QC770-798, High Energy Physics::Experiment, photon: virtual, experimental results
Abstract: Single hadron azimuthal asymmetries of positive and negative hadrons produced in muon semi-inclusive deep inelastic scattering off longitudinally polarised deuterons are determined using the 2006 COMPASS data and also combined all deuteron COMPASS data. For each hadron charge, the dependence of the azimuthal asymmetry on the hadron azimuthal angle $\phi$ is obtained by means of a five-parameter fitting function that besides a $\phi$-independent term includes four modulations predicted by theory: $\sin\phi$, $\sin 2 \phi$, $\sin 3\phi$ and $\cos\phi$. The amplitudes of the five terms have been extracted, first, for the hadrons in the whole available kinematic region. In further fits, performed for hadrons from a restricted kinematic region, the $\phi$-dependence is determined as a function of one of three variables (Bjorken-$x$, fractional energy of virtual photon taken by the outgoing hadron and hadron transverse momentum), while disregarding the others. Except the $\phi$-independent term, all the modulation amplitudes are very small, and no clear kinematic dependence could be observed within experimental uncertainties., Comment: 15 pages, 5 figures
Published: 2018

105. Sivers asymmetry extracted in SIDIS at the hard scales of the Drell-Yan process at COMPASS

Author: V. Andrieux, S. Grabmüller, Adam Szabelski, Alexandr Selyunin, W. Eyrich, K. Schmidt, Andrea Ferrero, Nour Makke, W. C. Chang, P. Kremser, M. Aghasyan, D.I. Ryabchikov, Jen-Chieh Peng, Norihiro Doshita, J. Pochodzalla, A. Nagaytsev, F. Balestra, A. Rychter, N. Pierre, W. Augustyniak, N. d'Hose, R. Longo, A. Thiel, V.N. Kolosov, P. Sznajder, K. Schönning, D. Steffen, J. Smolik, Miroslav Sulc, M. Tasevsky, E. Mitrofanov, P. Schiavon, O. Subrt, A. Lehmann, Q. Curiel, Andrew Ivanov, G. Nukazuka, D. von Harrach, C. Adolph, N.S. Rossiyskaya, F. Giordano, H. Matsuda, K. Klimaszewski, E. Seder, Celso Augusto Guimarães Santos, S. Gerassimov, Frank Klein, N. Horikawa, Y. Miyachi, A.A. Lednev, Yakov Petrovich Kulinich, Andres Cicuttin, I. Orlov, V.D. Samoylenko, P. Jörg, G. Reicherz, K. Königsmann, M. Slunecka, A. Magnon, O.P. Gavrichtchouk, Martin Bodlak, L. Sinha, S. Ramos, S. Dalla Torre, F. Tosello, S. Tessaro, V. Tskhay, S. Levorato, M. Wilfert, T. Matsuda, A. Zink, D. Hahne, D.V. Peshekhonov, Markus Ball, A. Sandacz, N. Mitrofanov, M. Finger, M. Ziembicki, K. Bicker, C. Franco, Yu. Ivanshin, A. Grasso, P. Bordalo, Takahiro Iwata, C. Regali, Yu.A. Khokhlov, L. Dhara, S.S. Dasgupta, M. Meyer, S. Platchkov, P. Zavada, G. Hamar, N. I. Zhuravlev, Federica Sozzi, F. H. Heinsius, Johannes Bernhard, Ch. Dreisbach, A. Guskov, M. Stolarski, W. Meyer, Maria Liz Crespo, C. Braun, B. Badelek, M. Grosse Perdekamp, A.V. Efremov, J. Vondra, M.G. Alexeev, M. V. Zavertyaev, Y.-S. Lian, I. Gnesi, F. Thibaud, J. Barth, F. Nerling, Mikhail Mikhasenko, B. Ketzer, Andrea Bressan, V. Jary, S. Uhl, J. Giarra, S. Takekawa, F. Pereira, Gerhard K. Mallot, Michal Dziewiecki, B. Grube, I. Konorov, F. Haas, C. Elia, G.V. Khaustov, R. Birsa, N. C. R. Makins, J. Lichtenstadt, M. Quaresma, J. Pretz, Alan D. Martin, H. Schmieden, Yu. Kisselev, Z.V. Kroumchtein, R. Salac, N. du Fresne von Hohenesche, T. Weisrock, J.M. Friedrich, E. Fuchey, Aram Kotzinian, C. Riedl, F. Kunne, D. Neyret, M. Ostrick, R.P. Kurjata, K. Zaremba, E.R. Bielert, Franco Bradamante, S. Huber, J.F.C.A. Veloso, S. Dasgupta, M. Virius, A. Maggiora, E. Zemlyanichkina, J. ter Wolbeek, A. Austregesilo, Jan Matousek, O.M. Kouznetsov, A. Srnka, V.A. Polyakov, M. Büchele, Arseniy Rybnikov, F. Krinner, J.H. Koivuniemi, V. Duic, W.-D. Nowak, J. Nový, G. Sbrizzai, A. Amoroso, T. Sawada, S.-U. Chung, M. Chiosso, M. Krämer, K. Kurek, M. Gorzellik, Nikolay Anfimov, François Herrmann, M. Faessler, R. Joosten, P.D. Eversheim, H. Suzuki, C.D.R. Azevedo, K. Kondo, Y. Bedfer, C. Chatterjee, Kamil Augsten, E. M. Kabuß, C. Quintans, I.A. Savin, S. Sarkar, S. V. Donskov, M. Pešek, A.S. Nunes, D. Panzieri, Janusz Marzec, T. Grussenmeyer, T. Szameitat, B. Marianski, Bakur Parsamyan, V.F. Konstantinov, S. Wallner, S. Ishimoto, H. Fischer, A.G. Olshevsky, Fabrice Gautheron, R. Akhunzyanov, G. D. Alexeev, W. Dünnweber, R. Heitz, V. Anosov, G.V. Meshcheryakov, Yu. V. Mikhailov, S. Sirtl, O.Yu. Denisov, F. Tessarotto, Laura Gonzalez Silva, M. Levillain, C.-Y. Hsieh, V. Frolov, Soumen Paul, M. Roskot, R. Beck, I. J. Choi, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, COMPASS, Adolph, C., Aghasyan, M., Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., Badełek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, R., Bodlak, M., Bordalo, P., Bradamante, F., Braun, C., Bressan, Andrea, Büchele, M., Chang, W. C., Chatterjee, Chandradoy, Chiosso, M., Choi, I., Chung, S. U., Cicuttin, A., Crespo, M. L., Curiel, Q., Dalla Torre, S., Dasgupta, SHUDDHA SHANKAR, Dasgupta, S., Denisov, O. Y. u., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, C. h., Duic, Venicio, Dünnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, F., Gnesi, I., Gorzellik, M., Grabmüller, S., Grasso, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Haas, F., Hahne, D., Hamar, G., von Harrach, D., Heinsius, F. H., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Y. u., Iwata, T., Jary, V., Joosten, R., Jörg, P., Kabuß, E., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Krämer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Lednev, A. A., Lehmann, A., Levillain, M., Levorato, Stefano, Lian, Y. S., Lichtenstadt, J., Longo, R., Maggiora, A., Magnon, A., Makins, N., Makke, Nour, Mallot, G. K., Marianski, B., Martin, Anna, Marzec, J., Matousek, Jan, Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Y. u. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Nagaytsev, A., Nerling, F., Neyret, D., Nový, J., Nowak, W. D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. C., Pereira, F., Pešek, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Roskot, M., Rossiyskaya, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, Giulio, Schiavon, Paolo, Schmidt, K., Schmieden, H., Schönning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, Adam, Szameitat, T., Sznajder, P., Takekawa, Stefano, Tasevsky, M., Tessaro, Susanna, Tessarotto, F., Thibaud, F., Thiel, A., Tosello, F., Tskhay, V., Uhl, S., Veloso, J., Virius, M., Vondra, J., Wallner, S., Weisrock, T., Wilfert, M., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., Ziembicki, M., Zink, A., Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), and Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay
Subjects: Drellâ Yan, Drell-Yan process, Photon, Hadron, parton: distribution function, Drell-Yan, Parton, transverse momentum dependence, 01 natural sciences, COMPASS, SIDIS, High Energy Physics - Experiment, Sivers function, Subatomär fysik, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Compass, Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], dimension: 2, Nuclear Experiment, Drell–Yan, Spin, Azimuthal asymmetries, Sivers, TMDs, media_common, Physics, Quantum chromodynamics, deep inelastic scattering: semi-inclusive reaction, polarized target: transverse, photon, Drell–Yan process, hep-ph, lcsh:QC1-999, Azimuthal asymmetrie, High Energy Physics - Phenomenology, kinematics, Siver, polarized beam: longitudinal, Nucleon, spin: asymmetry, Particle Physics - Experiment, Particle physics, Nuclear and High Energy Physics, angular distribution: asymmetry, media_common.quotation_subject, FOS: Physical sciences, Asymmetry, Nuclear physics, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], DrellâYan, 0103 physical sciences, muon nucleon: deep inelastic scattering, quantum chromodynamics, muon nucleon: scattering, 010306 general physics, Particle Physics - Phenomenology, nucleon: transverse momentum, 010308 nuclear & particles physics, 160 GeV/c, hep-ex, CERN SPS, muon+ p: deep inelastic scattering, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics::Experiment, lcsh:Physics, experimental results
Abstract: Proton transverse-spin azimuthal asymmetries are extracted from the COMPASS 2010 semi-inclusive hadron measurements in deep inelastic muon-nucleon scattering in those four regions of the photon virtuality $Q^2$, which correspond to the four regions of the di-muon mass $\sqrt{Q^2}$ used in the ongoing analysis of the COMPASS Drell-Yan measurements. This allows for a future direct comparison of the nucleon transverse-momentum-dependent parton distribution functions extracted from these two alternative measurements. Various two-dimensional kinematic dependences are presented for the azimuthal asymmetries induced by the Sivers transverse-momentum-dependent parton distribution function. The integrated Sivers asymmetries are found to be positive with an accuracy that appears to be sufficient to test the sign change of the Sivers function predicted by Quantum Chromodynamics., 13 pages, 6 figures
Published: 2017

106. First measurement of the Sivers asymmetry for gluons using SIDIS data

Author: S. V. Donskov, O.Yu. Denisov, M. Pešek, C. Regali, K. Königsmann, Aram Kotzinian, A.S. Nunes, D.V. Peshekhonov, D. Panzieri, Janusz Marzec, T. Grussenmeyer, P.D. Eversheim, R. Beck, A. Kerbizi, M. Wilfert, J. ter Wolbeek, H. Suzuki, C.D.R. Azevedo, A. Maggiora, G.V. Meshcheryakov, Yu. V. Mikhailov, S. Sirtl, C. Adolph, Arseniy Rybnikov, S. Gerassimov, N. Horikawa, F. Giordano, A. Grasso, W.-D. Nowak, F. Tosello, S. Tessaro, F. Tessarotto, Laura Gonzalez Silva, Yu. Kisselev, D. Hahne, J. Nový, R. Salac, M. Ostrick, M. Stolarski, I. Gnesi, Andrew Ivanov, E.R. Bielert, A.G. Olshevsky, F. Krinner, A. Rychter, S.S. Dasgupta, R. Akhunzyanov, Yu.A. Khokhlov, T. Szameitat, R. Longo, G. Nukazuka, P. Kremser, G. D. Alexeev, D.I. Ryabchikov, W. Dünnweber, M. Levillain, C.-Y. Hsieh, S.-U. Chung, E. Seder, M. Krämer, V. Frolov, Soumen Paul, M. V. Zavertyaev, V. Anosov, Franco Bradamante, D. von Harrach, V.N. Kolosov, K. Schönning, F. Thibaud, J. Barth, Celso Augusto Guimarães Santos, M. Ziembicki, T. Sawada, I. J. Choi, E. M. Kabuß, A. Magnon, C. Quintans, M. Tasevsky, Gerhard K. Mallot, E. Mitrofanov, R. Heitz, Miroslav Sulc, I.A. Savin, P. Schiavon, F. H. Heinsius, O.P. Gavrichtchouk, M. Chiosso, Martin Bodlak, L. Sinha, François Herrmann, T. Weisrock, T. Matsuda, A. Zink, Takahiro Iwata, G.V. Khaustov, Fabrice Gautheron, H. Matsuda, V. Tskhay, Alexandr Selyunin, N.S. Rogacheva, K. Kurek, V. Andrieux, Adam Szabelski, M. Meyer, L. Dhara, C. Braun, B. Marianski, M. Grosse Perdekamp, M.G. Alexeev, A.V. Efremov, B. Badelek, S. Uhl, A. Vauth, F. Kunne, Bakur Parsamyan, W. Eyrich, Nour Makke, J. Giarra, W. C. Chang, S. Grabmüller, Michal Dziewiecki, B. Ketzer, M. Roskot, S. Takekawa, Anne-Laure Martin, F. Pereira, A. Antoshkin, S. Platchkov, P. Zavada, H. Schmieden, J.M. Friedrich, W. Meyer, Maria Liz Crespo, J. Pretz, K. Zaremba, M. Slunecka, V.A. Polyakov, S. Huber, V. Jary, V.F. Konstantinov, M. Gorzellik, S. Wallner, S. Ishimoto, Kamil Augsten, E. Zemlyanichkina, H. Fischer, M. Aghasyan, G. Sbrizzai, Johannes Bernhard, Ch. Dreisbach, P. Bordalo, A. Guskov, A. Amoroso, J. Pochodzalla, Yakov Petrovich Kulinich, Andrea Bressan, A. Nagaytsev, N. du Fresne von Hohenesche, F. Balestra, N. I. Zhuravlev, N. Pierre, M. Finger, F. Haas, N. C. R. Makins, K. Bicker, E. Fuchey, R. Birsa, J. Lichtenstadt, C. Riedl, Jan Matousek, M. Quaresma, D. Neyret, Nikolay Anfimov, R. Joosten, S. Dasgupta, J. Vondra, A. Austregesilo, Y.-S. Lian, J.F.C.A. Veloso, K. Kondo, Y. Bedfer, O.M. Kouznetsov, A. Srnka, C. Chatterjee, Z.V. Kroumchtein, V. Duic, W. Augustyniak, S. Ramos, K. Schmidt, P. Sznajder, Andrea Ferrero, Norihiro Doshita, N. d'Hose, D. Steffen, J. Smolik, O. Subrt, A. Lehmann, A. Thiel, Q. Curiel, K. Klimaszewski, Y. Miyachi, A.A. Lednev, Andres Cicuttin, I. Orlov, V.D. Samoylenko, G. Reicherz, S. Dalla Torre, Frank Klein, I. Konorov, A. Sandacz, C. Franco, Jen-Chieh Peng, Markus Ball, Yu. Ivanshin, F. Nerling, G. Hamar, M. Büchele, Mikhail Mikhasenko, M. Faessler, J.H. Koivuniemi, B. Grube, R.P. Kurjata, M. Virius, P. Jörg, S. Levorato, N. Mitrofanov, S. Sarkar, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), COMPASS, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Adolph, C., Aghasyan, M., Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Antoshkin, A., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., BadeÅ‚ek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, R., Bodlak, M., Bordalo, P., Bradamante, F., Braun, C., Bressan, A., Bã¼chele, M., Chang, W. -. C., Chatterjee, C., Chiosso, M., Choi, I., Chung, S. -. U., Cicuttin, A., Crespo, M. L., Curiel, Q., Dalla Torre, S., Dasgupta, S. S., Dasgupta, S., Denisov, O. Y. u., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, C. h., Duic, V., Quintans, C., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Ramos, S., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, F., Gnesi, I., Gorzellik, M., Grabmã¼ller, S., Grasso, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Haas, F., Hahne, D., Hamar, G., von Harrach, D., Heinsius, F. H., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. -. Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Y. u., Iwata, T., Jary, V., Joosten, R., Jã¶rg, P., Kabuãÿ, E., Kerbizi, A., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Kã¶nigsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Krã¤mer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Lednev, A. A., Lehmann, A., Levillain, M., Levorato, S., Lian, Y. -. S., Lichtenstadt, J., Longo, R., Maggiora, A., Magnon, A., Makins, N., Makke, N., Mallot, G. K., Marianski, B., Martin, A., Marzec, J., Matouå¡ek, J., Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Y. u. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Nagaytsev, A., Nerling, F., Neyret, D., Novã½, J., Nowak, W. -. D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. -. C., Pereira, F., Peå¡ek, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Ziembicki, M., Zink, A., Regali, C., Reicherz, G., Riedl, C., Roskot, M., Rogacheva, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, G., Schiavon, P., Schmidt, K., Schmieden, H., Schã¶nning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, A., Szameitat, T., Sznajder, P., Takekawa, S., Tasevsky, M., Tessaro, S., Tessarotto, F., Thibaud, F., Thiel, A., Tosello, F., Tskhay, V., Uhl, S., Vauth, A., Veloso, J., Virius, M., Vondra, J., Wallner, S., Weisrock, T., Wilfert, M., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., and Zhuravlev, N.
Subjects: hadron: angular distribution, muon+: polarized beam, Nuclear Theory, Parton, muon+ deuteron: deep inelastic scattering, hadron: transverse momentum, transverse momentum dependence, 01 natural sciences, COMPASS, High Energy Physics - Experiment, Subatomär fysik, Sivers function, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), photon gluon: fusion, Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], parton, Nuclear Experiment, media_common, Quantum chromodynamics, Physics, gluon: distribution function, deep inelastic scattering: semi-inclusive reaction, higher-order: 0, polarized target: transverse, hep-ph, Deep inelastic scattering, Gluon, PDF, Sivers, TMD, Nuclear and High Energy Physics, lcsh:QC1-999, High Energy Physics - Phenomenology, Siver, effect: Collins, Nucleon, Compton scattering, numerical calculations: Monte Carlo, spin: asymmetry, Particle Physics - Experiment, Quark, Particle physics, data analysis method, deuteron: polarized target, hadron: asymmetry, angular distribution: asymmetry, neural network, media_common.quotation_subject, polarization: longitudinal, FOS: Physical sciences, Asymmetry, Nuclear physics, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], 0103 physical sciences, quantum chromodynamics, 010306 general physics, Particle Physics - Phenomenology, 010308 nuclear & particles physics, hep-ex, 160 GeV/c, High Energy Physics::Phenomenology, nucleon: spin: transverse, CERN SPS, muon+ p: deep inelastic scattering, correlation, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics::Experiment, absorption, lcsh:Physics, Lepton, experimental results
Abstract: The Sivers function describes the correlation between the transverse spin of a nucleon and the transverse motion of its partons. It was extracted from measurements of the azimuthal asymmetry of hadrons produced in semi-inclusive deep inelastic scattering of leptons off transversely polarised nucleon targets, and it turned out to be non-zero for quarks. In this letter the evaluation of the Sivers asymmetry for gluons in the same process is presented. The analysis method is based on a Monte Carlo simulation that includes three hard processes: photon-gluon fusion, QCD Compton scattering and leading-order virtual-photon absorption process. The Sivers asymmetries of the three processes are simultaneously extracted using the LEPTO event generator and a neural network approach. The method is applied to samples of events containing at least two hadrons with large transverse momentum from the COMPASS data taken with a 160 GeV/$c$ muon beam scattered off transversely polarised deuterons and protons. With a significance of more than two standard deviations a negative value is obtained for the gluon Sivers asymmetry. The result of a similar analysis for a Collins-like asymmetry for gluons is consistent with zero., Comment: 18 pages, 8 figures
Published: 2017

107. Final COMPASS results on the deuteron spin-dependent structure function g(1)(d) and the Bjorken sum rule

Author: C. Adolph, M. Aghasyan, R. Akhunzyanov, M.G. Alexeev, G.D. Alexeev, A. Amoroso, V. Andrieux, N.V. Anfimov, V. Anosov, K. Augsten, W. Augustyniak, A. Austregesilo, C.D.R. Azevedo, B. Badełek, F. Balestra, M. Ball, J. Barth, R. Beck, Y. Bedfer, J. Bernhard, K. Bicker, E.R. Bielert, R. Birsa, M. Bodlak, P. Bordalo, F. Bradamante, C. Braun, A. Bressan, M. Büchele, W.-C. Chang, C. Chatterjee, M. Chiosso, I. Choi, S.-U. Chung, A. Cicuttin, M.L. Crespo, Q. Curiel, S. Dalla Torre, S.S. Dasgupta, S. Dasgupta, O.Yu. Denisov, L. Dhara, S.V. Donskov, N. Doshita, Ch. Dreisbach, V. Duic, W. Dünnweber, M. Dziewiecki, A. Efremov, P.D. Eversheim, W. Eyrich, M. Faessler, A. Ferrero, M. Finger, M. Finger, jr., H. Fischer, C. Franco, N. du Fresne von Hohenesche, J.M. Friedrich, V. Frolov, E. Fuchey, F. Gautheron, O.P. Gavrichtchouk, S. Gerassimov, J. Giarra, F. Giordano, I. Gnesi, M. Gorzellik, S. Grabmüller, A. Grasso, M. Grosse Perdekamp, B. Grube, T. Grussenmeyer, A. Guskov, F. Haas, D. Hahne, G. Hamar, D. von Harrach, F.H. Heinsius, R. Heitz, F. Herrmann, N. Horikawa, N. d'Hose, C.-Y. Hsieh, S. Huber, S. Ishimoto, A. Ivanov, Yu. Ivanshin, T. Iwata, V. Jary, R. Joosten, P. Jörg, E. Kabuß, A. Kerbizi, B. Ketzer, G.V. Khaustov, Yu.A. Khokhlov, Yu. Kisselev, F. Klein, K. Klimaszewski, J.H. Koivuniemi, V.N. Kolosov, K. Kondo, K. Königsmann, I. Konorov, V.F. Konstantinov, A.M. Kotzinian, O.M. Kouznetsov, M. Krämer, P. Kremser, F. Krinner, Z.V. Kroumchtein, Y. Kulinich, F. Kunne, K. Kurek, R.P. Kurjata, A.A. Lednev, A. Lehmann, M. Levillain, S. Levorato, Y.-S. Lian, J. Lichtenstadt, R. Longo, A. Maggiora, A. Magnon, N. Makins, N. Makke, G.K. Mallot, B. Marianski, A. Martin, J. Marzec, J. Matoušek, H. Matsuda, T. Matsuda, G.V. Meshcheryakov, M. Meyer, W. Meyer, Yu.V. Mikhailov, M. Mikhasenko, E. Mitrofanov, N. Mitrofanov, Y. Miyachi, A. Nagaytsev, F. Nerling, D. Neyret, J. Nový, W.-D. Nowak, G. Nukazuka, A.S. Nunes, A.G. Olshevsky, I. Orlov, M. Ostrick, D. Panzieri, B. Parsamyan, S. Paul, J.-C. Peng, F. Pereira, M. Pešek, D.V. Peshekhonov, N. Pierre, S. Platchkov, J. Pochodzalla, V.A. Polyakov, J. Pretz, M. Quaresma, C. Quintans, S. Ramos, C. Regali, G. Reicherz, C. Riedl, M. Roskot, N.S. Rossiyskaya, D.I. Ryabchikov, A. Rybnikov, A. Rychter, R. Salac, V.D. Samoylenko, A. Sandacz, C. Santos, S. Sarkar, I.A. Savin, T. Sawada, G. Sbrizzai, P. Schiavon, K. Schmidt, H. Schmieden, K. Schönning, E. Seder, A. Selyunin, L. Silva, L. Sinha, S. Sirtl, M. Slunecka, J. Smolik, A. Srnka, D. Steffen, M. Stolarski, O. Subrt, M. Sulc, H. Suzuki, A. Szabelski, T. Szameitat, P. Sznajder, S. Takekawa, M. Tasevsky, S. Tessaro, F. Tessarotto, F. Thibaud, A. Thiel, F. Tosello, V. Tskhay, S. Uhl, A. Vauth, J. Veloso, M. Virius, J. Vondra, S. Wallner, T. Weisrock, M. Wilfert, R. Windmolders, J. ter Wolbeek, K. Zaremba, P. Zavada, M. Zavertyaev, E. Zemlyanichkina, N. Zhuravlev, M. Ziembicki, A. Zink, Adolph, C., Aghasyan, M., Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R, Badełek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, R., Bodlak, M., Bordalo, P., Bradamante, Franco, Braun, C., Bressan, Andrea, Büchele, M., Chang, W. C., Chatterjee, Chandradoy, Chiosso, M., Choi, I., Chung, S. U., Cicuttin, A., Crespo, M. L., Curiel, Q., DALLA TORRE, Silvia, Dasgupta, SHUDDHA SHANKAR, Dasgupta, S., Denisov, O. Y. u., Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, C. h., Duic, Venicio, Dünnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, F., Gnesi, I., Gorzellik, M., Grabmüller, S., Grasso, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Haas, F., Hahne, D., Hamar, G., von Harrach, D., Heinsius, F. H., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Y. u., Iwata, T., Jary, V., Joosten, R., Jörg, P., Kabuß, E., Kerbizi, Albi, Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Krämer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Lednev, A. A., Lehmann, A., Levillain, M., Levorato, Stefano, Lian, Y. S., Lichtenstadt, J., Longo, R., Maggiora, A., Magnon, A., Makins, N., Makke, Nour, Mallot, G. K., Marianski, B., Martin, Anna, Marzec, J., Matousek, Jan, Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Y. u. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Nagaytsev, A., Nerling, F., Neyret, D., Nový, J., Nowak, W. D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. C., Pereira, F., Pešek, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Roskot, M., Rossiyskaya, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, Giulio, Schiavon, Paolo, Schmidt, K., Schmieden, H., Schönning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, Adam, Szameitat, T., Sznajder, P., Takekawa, Stefano, Tasevsky, M., Tessaro, Susanna, Tessarotto, Fulvio, Thibaud, F., Thiel, A., Tosello, F., Tskhay, V., Uhl, S., Vauth, A., Veloso, J., Virius, M., Vondra, J., Wallner, S., Weisrock, T., Wilfert, M., Windmolders, R., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., Ziembicki, M., and Zink, A.
Subjects: Nuclear and High Energy Physics, Parton helicity distribution, COMPASS, lcsh:QC1-999, Structure function, Spin, Physical Sciences, Fysik, High Energy Physics::Experiment, Deep inelastic scattering, Parton helicity distributions, Nuclear Experiment, lcsh:Physics
Abstract: Final results are presented from the inclusive measurement of deep-inelastic polarised-muon scattering on longitudinally polarised deuterons using a 6LiD target. The data were taken at 160 GeV beam energy and the results are shown for the kinematic range View the MathML source in photon virtuality, 0.004
Published: 2017

108. Multiplicities of charged pions and charged hadrons from deep-inelastic scattering of muons off an isoscalar target

Author: A. Maggiora, J. Lichtenstadt, S.-U. Chung, N.S. Rossiyskaya, F. Giordano, K. Schmidt, Norihiro Doshita, M. Gorzellik, M. Wilfert, V.I. Nikolaenko, M. Grosse Perdekamp, F. Thibaud, N. d'Hose, V. Anosov, H. Schmieden, J.M. Friedrich, Y.-S. Lian, François Herrmann, C. Adolph, Laura Silva, M. Meyer, A. Grasso, J. Bisplinghoff, M. V. Zavertyaev, M. Roskot, M. Krämer, J. Barth, J. Smolik, W. Augustyniak, S. Ramos, R. Akhunzyanov, S. Huber, E. M. Kabuß, C. Regali, C. Marchand, Y. u. Ivanshin, Gerhard K. Mallot, S. Takekawa, P.D. Eversheim, I. Konorov, H. Suzuki, C.D.R. Azevedo, M. Stolarski, E. Zemlyanichkina, Yakov Petrovich Kulinich, S. Grabmüller, D.V. Peshekhonov, G. D. Alexeev, N. C. R. Makins, P. Zavada, W. Meyer, Maria Liz Crespo, V. Jary, J. Pretz, T. Weisrock, A.V. Efremov, S. Platchkov, M. Tasevsky, F. Pereira, E. Mitrofanov, C. Quintans, Z.V. Kroumchtein, N. du Fresne von Hohenesche, G.V. Meshcheryakov, P. Sznajder, Kamil Augsten, Yu. V. Mikhailov, S. Sirtl, I.A. Savin, W. Dünnweber, V. Andrieux, L. Dhara, M. Faessler, C. Braun, K. Bicker, Adam Szabelski, Mikhail Mikhasenko, D. Steffen, M. Aghasyan, E. Fuchey, Aram Kotzinian, R. Windmolders, Nikolay Anfimov, B. Marianski, B. Badelek, K. Zaremba, F. Tessarotto, Miroslav Sulc, F. Hinterberger, V.A. Polyakov, F. Nerling, R. Jahn, J. Pochodzalla, Andrew Ivanov, A. Magnon, B. Ketzer, G. Sbrizzai, A. Nagaytsev, F. Balestra, N. Pierre, Bakur Parsamyan, O.P. Gavrichtchouk, M. Finger, P. Bordalo, Jan Matousek, M. Ziembicki, Martin Bodlak, A. Rychter, Johannes Bernhard, A. Guskov, P. Montuenga, P. Kremser, R. Longo, F. Haas, L. Sinha, T. Matsuda, A. Zink, V.N. Kolosov, K. Schönning, A. Amoroso, A. Lehmann, R. Joosten, D.I. Ryabchikov, Y. Miyachi, A.A. Lednev, F. H. Heinsius, D. von Harrach, K. Königsmann, M. Slunecka, C. Riedl, Arseniy Rybnikov, B. Grube, T. Michigami, R. Heitz, J. ter Wolbeek, I. Gnesi, Yu. Kisselev, R. Birsa, G.V. Khaustov, Andrea Bressan, L. Capozza, C. Franco, K. Kondo, Franco Bradamante, W.-D. Nowak, N. I. Zhuravlev, Federica Sozzi, A. Sandacz, S. Gerassimov, N. Horikawa, K. Klimaszewski, Frank Klein, V.F. Konstantinov, Y. Bedfer, Jen-Chieh Peng, S. Schopferer, F. Tosello, E. Seder, S. Tessaro, D. Hahne, Fabrice Gautheron, M.G. Alexeev, Chandradoy Chatterjee, S. Ishimoto, H. Fischer, A.G. Olshevsky, M. Levillain, C.-Y. Hsieh, Celso Augusto Guimarães Santos, V. Frolov, S. Uhl, Yu.A. Khokhlov, T. Szameitat, Andres Cicuttin, Q. Curiel, P. Schiavon, Soumen Paul, D. Neyret, T. Sawada, I. Orlov, V.D. Samoylenko, Alexandr Selyunin, G. Reicherz, Michal Dziewiecki, P. Jörg, R. Kuhn, V. Tskhay, W. Eyrich, I. J. Choi, Nour Makke, O.Yu. Shevchenko, S. Levorato, H. Matsuda, Andrea Ferrero, W. C. Chang, Shuddha Shankar Dasgupta, S. Dalla Torre, M. Chiosso, M. Büchele, Alan D. Martin, S. Sarkar, J.H. Koivuniemi, S. Dasgupta, N. Mitrofanov, R.P. Kurjata, A. Austregesilo, F. Krinner, M. Quaresma, O.Yu. Denisov, M. Virius, F. Kunne, G. Nukazuka, K. Kurek, S. V. Donskov, M. Pešek, R. Hashimoto, A.S. Nunes, Takahiro Iwata, R. Beck, D. Panzieri, Janusz Marzec, T. Grussenmeyer, J. Vondra, J.F.C.A. Veloso, O.M. Kouznetsov, A. Srnka, R. Salac, M. Ostrick, E.R. Bielert, V. Duic, M. Boer, J. Nový, 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, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, COMPASS, 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, Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Adolph, C., Aghasyan, M., Akhunzyanov, R., Alexeev, G. D., Alexeev, M. G., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., Badełek, B., Balestra, F., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, Renato, Bisplinghoff, J., Bodlak, M., Boer, M., Bordalo, P., Bradamante, Franco, Braun, C., Bressan, Andrea, Büchele, M., Capozza, L., Chang, W. C., Chatterjee, Chandradoy, Chiosso, M., Choi, I., Chung, S. U., Cicuttin, A., Crespo, M. L., Curiel, Q., Dalla Torre, S., Dasgupta, SHUDDHA SHANKAR, Dasgupta, S., Denisov, O. Yu, Dhara, L., Donskov, S. V., Doshita, N., Duic, Venicio, Dünnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giordano, F., Gnesi, I., Gorzellik, M., Grabmüller, S., Grasso, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Haas, F., Hahne, D., von Harrach, D., Hashimoto, R., Heinsius, F. H., Heitz, R., Herrmann, F., Hinterberger, F., Horikawa, N., D'Hose, N., Hsieh, C. Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Y. u., Iwata, T., Jahn, R., Jary, V., Joosten, R., Jörg, P., Kabuß, E., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Krämer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kuhn, R., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Lednev, A. A., Lehmann, A., Levillain, M., Levorato, Stefano, Lian, Y. S., Lichtenstadt, J., Longo, R., Maggiora, A., Magnon, A., Makins, N., Makke, Nour, Mallot, G. K., Marchand, C., Marianski, B., Martin, Anna, Marzec, J., Matousek, Jan, Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Michigami, T., Mikhailov, Y. u. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Montuenga, P., Nagaytsev, A., Nerling, F., Neyret, D., Nikolaenko, V. I., Nový, J., Nowak, W. D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. C., Pereira, F., Pešek, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Roskot, M., Rossiyskaya, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, Giulio, Schiavon, Paolo, Schmidt, K., Schmieden, H., Schönning, K., Schopferer, S., Seder, E., Selyunin, A., Shevchenko, O. Yu, Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Sozzi, Federica, Srnka, A., Steffen, D., Stolarski, M., Sulc, M., Suzuki, H., Szabelski, Adam, Szameitat, T., Sznajder, P., Takekawa, Stefano, Tasevsky, M., Tessaro, Susanna, Tessarotto, F., Thibaud, F., Tosello, F., Tskhay, V., Uhl, S., Veloso, J., Virius, M., Vondra, J., Weisrock, T., Wilfert, M., Windmolders, R., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., Ziembicki, M., and Zink, A.
Subjects: Quark, Nuclear and High Energy Physics, Photon, Isoscalar, Hadron, Nuclear Theory, HERMES, target: isoscalar, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], nucl-ex, 01 natural sciences, COMPASS, scaling: Bjorken, Nuclear physics, Pion, Astronomi, astrofysik och kosmologi, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Astronomy, Astrophysics and Cosmology, Pion multiplicities, Nuclear Physics - Experiment, [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], quantum chromodynamics: perturbation theory, 010306 general physics, Nuclear Experiment, RICH, Deep inelastic scattering, Fragmentation functions, Physics, quark: fragmentation function, Muon, pi: multiplicity, hep-ex, 010308 nuclear & particles physics, Scattering, muon: beam, higher-order: 0, Fragmentation function, photon, hadron: energy, lcsh:QC1-999, kinematics, Pion multiplicitie, High Energy Physics::Experiment, Particle Physics - Experiment, lcsh:Physics
Abstract: Multiplicities of charged pions and charged hadrons produced in deep-inelastic scattering were measured in three-dimensional bins of the Bjorken scaling variable x , the relative virtual-photon energy y and the relative hadron energy z . Data were obtained by the COMPASS Collaboration using a 160GeV muon beam and an isoscalar target ( 6 LiD). They cover the kinematic domain in the photon virtuality Q2>1(GeV/c)2 , 0.004 1(GeV/c$)^2$, $0.004 < x < 0.4$, $0.2 < z < 0.85$ and $0.1 < y < 0.7$. In addition, a leading-order pQCD analysis was performed using the pion multiplicity results to extract quark fragmentation functions.
Published: 2017

109. Multiplicities of charged kaons from deep-inelastic muon scattering off an isoscalar target

Author: S.S. Dasgupta, M. V. Zavertyaev, Q. Curiel, H. Schmieden, J.M. Friedrich, D. Neyret, A. Maggiora, N.S. Rossiyskaya, F. Giordano, M. Wilfert, E. M. Kabuß, L. Capozza, S. Huber, K. Königsmann, I.A. Savin, K. Kondo, Y. Bedfer, C. Quintans, Frank Klein, D.V. Peshekhonov, F. Haas, M. Gorzellik, W. Augustyniak, S. Ramos, E. Zemlyanichkina, A. Grasso, J. Nový, K. Zaremba, Y.-S. Lian, V.A. Polyakov, P.D. Eversheim, H. Suzuki, C.D.R. Azevedo, S.-U. Chung, P. Jörg, C. Chatterjee, G. Sbrizzai, Anne-Laure Martin, F. Thibaud, Markus Ball, Andrea Ferrero, A. Amoroso, S. Dasgupta, A. Austregesilo, Yu. Ivanshin, P. Sznajder, S. Levorato, Andrew Ivanov, C. Riedl, I. Gnesi, François Herrmann, J. Barth, D. Steffen, G.V. Meshcheryakov, S. Sarkar, N. Mitrofanov, S. Platchkov, M. Faessler, Yu. V. Mikhailov, S. Sirtl, M. Ziembicki, Z.V. Kroumchtein, N. du Fresne von Hohenesche, Nikolay Anfimov, A. Lehmann, A. Thiel, M. Tasevsky, F. H. Heinsius, R. Joosten, S. Grabmüller, E. Mitrofanov, Franco Bradamante, F. Nerling, R.P. Kurjata, Gerhard K. Mallot, V.F. Konstantinov, S. Wallner, M. Levillain, C. Regali, G.V. Khaustov, S. V. Donskov, M. Pešek, L. Dhara, T. Sawada, C. Braun, C.-Y. Hsieh, V. Frolov, Soumen Paul, M. Virius, S. Ishimoto, H. Fischer, B. Badelek, M. Stolarski, C. Adolph, N. C. R. Makins, Y. Miyachi, A.A. Lednev, D. von Harrach, M. Aghasyan, A.S. Nunes, K. Klimaszewski, T. Weisrock, W. Dünnweber, B. Ketzer, Alexandr Selyunin, A. Rychter, J. Pochodzalla, D. Panzieri, Janusz Marzec, I. J. Choi, A. Sandacz, V. Andrieux, Andres Cicuttin, I. Orlov, P. Schiavon, E. Fuchey, Miroslav Sulc, M. Chiosso, R. Longo, W. Eyrich, S. Gerassimov, N. Horikawa, V.N. Kolosov, G. Hamar, P. Bordalo, B. Marianski, Adam Szabelski, V.D. Samoylenko, G. Reicherz, Nour Makke, F. Tosello, T. Grussenmeyer, K. Schmidt, O.P. Gavrichtchouk, Jan Matousek, K. Schönning, W. C. Chang, Norihiro Doshita, Bakur Parsamyan, K. Kurek, Martin Bodlak, L. Sinha, S. Dalla Torre, M. Grosse Perdekamp, T. Matsuda, S. Tessaro, N. d'Hose, A. Zink, D. Hahne, Mikhail Mikhasenko, H. Matsuda, S. Takekawa, J. Vondra, A.V. Efremov, J. Smolik, F. Krinner, M. Quaresma, M. Slunecka, F. Pereira, O. Subrt, Yu.A. Khokhlov, A. Nagaytsev, F. Balestra, N. Pierre, J.F.C.A. Veloso, C. Franco, P. Zavada, Arseniy Rybnikov, O.M. Kouznetsov, A. Srnka, N. I. Zhuravlev, Federica Sozzi, W. Meyer, Maria Liz Crespo, W.-D. Nowak, M.G. Alexeev, S. Uhl, Aram Kotzinian, V. Duic, Michal Dziewiecki, B. Grube, R. Windmolders, M. Meyer, V. Jary, T. Szameitat, J. Pretz, V. Tskhay, Yu. Kisselev, R. Salac, J. ter Wolbeek, E. Seder, Fabrice Gautheron, Celso Augusto Guimarães Santos, M. Ostrick, E.R. Bielert, O.Yu. Denisov, F. Kunne, R. Beck, R. Akhunzyanov, G. D. Alexeev, R. Heitz, M. Krämer, Kamil Augsten, M. Finger, M. Roskot, V. Anosov, R. Birsa, J. Lichtenstadt, Laura Silva, Yakov Petrovich Kulinich, Jen-Chieh Peng, K. Bicker, P. Kremser, D.I. Ryabchikov, G. Nukazuka, A. Magnon, I. Konorov, Takahiro Iwata, A.G. Olshevsky, M. Büchele, Johannes Bernhard, Ch. Dreisbach, A. Guskov, J.H. Koivuniemi, Andrea Bressan, F. Tessarotto, Adolph, C., Aghasyan, M., Akhunzyanov, R., Alexeev, M. G., Alexeev, G. D., Amoroso, A., Andrieux, V., Anfimov, N. V., Anosov, V., Augsten, K., Augustyniak, W., Austregesilo, A., Azevedo, C. D. R., Badełek, B., Balestra, F., Ball, M., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E. R., Birsa, Renato, Bodlak, M., Bordalo, P., Bradamante, Franco, Braun, C., Bressan, Andrea, Büchele, M., Capozza, L., Chang, W. C., Chatterjee, Chandradoy, Chiosso, M., Choi, I., Chung, S. U., Cicuttin, A., Crespo, M. L., Curiel, Q., Dalla Torre, S., Dasgupta, SHUDDHA SHANKAR, Denisov, O. Yu, Dhara, L., Donskov, S. V., Doshita, N., Dreisbach, C. h., Duic, Venicio, Dünnweber, W., Dziewiecki, M., Efremov, A., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Fischer, H., Franco, C., du Fresne von Hohenesche, N., Friedrich, J. M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giordano, F., Gnesi, I., Gorzellik, M., Grabmüller, S., Grasso, A., Grosse Perdekamp, M., Grube, B., Grussenmeyer, T., Guskov, A., Haas, F., Hahne, D., Hamar, G., von Harrach, D., Heinsius, F. H., Heitz, R., Herrmann, F., Horikawa, N., D'Hose, N., Hsieh, C. Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Y. u., Iwata, T., Jary, V., Joosten, R., Jörg, P., Kabuß, E., Ketzer, B., Khaustov, G. V., Khokhlov, Y. u. A., Kisselev, Y. u., Klein, F., Klimaszewski, K., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Königsmann, K., Konorov, I., Konstantinov, V. F., Kotzinian, A. M., Kouznetsov, O. M., Krämer, M., Kremser, P., Krinner, F., Kroumchtein, Z. V., Kulinich, Y., Kunne, F., Kurek, K., Kurjata, R. P., Lednev, A. A., Lehmann, A., Levillain, M., Levorato, Stefano, Lian, Y. S., Lichtenstadt, J., Longo, R., Maggiora, A., Magnon, A., Makins, N., Makke, Nour, Mallot, G. K., Marianski, B., Martin, Anna, Marzec, J., Matousek, Jan, Matsuda, H., Matsuda, T., Meshcheryakov, G. V., Meyer, M., Meyer, W., Mikhailov, Y. u. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Nagaytsev, A., Nerling, F., Neyret, D., Nový, J., Nowak, W. D., Nukazuka, G., Nunes, A. S., Olshevsky, A. G., Orlov, I., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Peng, J. C., Pereira, F., Pešek, M., Peshekhonov, D. V., Pierre, N., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Ramos, S., Regali, C., Reicherz, G., Riedl, C., Roskot, M., Rossiyskaya, N. S., Ryabchikov, D. I., Rybnikov, A., Rychter, A., Salac, R., Samoylenko, V. D., Sandacz, A., Santos, C., Sarkar, S., Savin, I. A., Sawada, T., Sbrizzai, Giulio, Schiavon, Paolo, Schmidt, K., Schmieden, H., Schönning, K., Seder, E., Selyunin, A., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Sozzi, Federica, Srnka, A., Steffen, D., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Szabelski, Adam, Szameitat, T., Sznajder, P., Takekawa, Stefano, Tasevsky, M., Tessaro, Susanna, Tessarotto, F., Thibaud, F., Thiel, A., Tosello, F., Tskhay, V., Uhl, S., Veloso, J., Virius, M., Vondra, J., Wallner, S., Weisrock, T., Wilfert, M., Windmolders, R., ter Wolbeek, J., Zaremba, K., Zavada, P., Zavertyaev, M., Zemlyanichkina, E., Zhuravlev, N., Ziembicki, M., Zink, A., Physikalisches Institut [Erlangen], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), 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, CERN [Genève], and Universidade de Aveiro
Subjects: Quark, Strange quark, Particle physics, Nuclear and High Energy Physics, Isoscalar, Hadron, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], nucl-ex, 01 natural sciences, Kaon multiplicitie, High Energy Physics - Experiment, Subatomär fysik, Nuclear physics, High Energy Physics - Experiment (hep-ex), Subatomic Physics, 0103 physical sciences, Nuclear Physics - Experiment, ddc:530, Invariant mass, Nuclear Experiment (nucl-ex), Nuclear Experiment, 010306 general physics, Physics, Muon, hep-ex, 010308 nuclear & particles physics, Scattering, Quark fragmentation function, Deep inelastic scattering, lcsh:QC1-999, Quark fragmentation functions, Kaon multiplicities, High Energy Physics::Experiment, Particle Physics - Experiment, lcsh:Physics
Abstract: Precise measurements of charged-kaon multiplicities in deep inelastic scattering were performed. The results are presented in three-dimensional bins of the Bjorken scaling variable x, the relative virtual-photon energy y, and the fraction z of the virtual-photon energy carried by the produced hadron. The data were obtained by the COMPASS Collaboration by scattering 160 GeV muons off an isoscalar 6 LiD target. They cover the kinematic domain 1 (GeV/c)2 < Q2 < 60 (GeV/c)^2 in the photon virtuality, 0.004 < x < 0.4, 0.1 < y < 0.7, 0.20 < z < 0.85, and W > 5 GeV/c^2 in the invariant mass of the hadronic system. The results from the sum of the z-integrated K+ and K- multiplicities at high x point to a value of the non-strange quark fragmentation function larger than obtained by the earlier DSS fit., 10 pages, 9 figures
Published: 2017
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110. High-Statistics Measurement of Collins and Sivers Asymmetries for Transversely Polarized Deuterons.

Author: Alexeev GD, Alexeev MG, Alice C, Amoroso A, Andrieux V, Anosov V, Asatryan S, Augsten K, Augustyniak W, Azevedo CDR, Badelek B, Barth J, Beck R, Beckers J, Bedfer Y, Bernhard J, Bodlak M, Bradamante F, Bressan A, Chang WC, Chatterjee C, Chiosso M, Chumakov AG, Chung SU, Cicuttin A, Correia PMM, Crespo ML, D'Ago D, Dalla Torre S, Dasgupta SS, Dasgupta S, Delcarro F, Denisenko I, Denisov OY, Donskov SV, Doshita N, Dreisbach C, Dünnweber W, Dusaev RR, Ecker D, Eremeev D, Faccioli P, Faessler M, Finger M, Finger M, Fischer H, Flöthner KJ, Florian W, Friedrich JM, Frolov V, Garcia Ordòñez LG, Gautheron F, Gavrichtchouk OP, Gerassimov S, Giarra J, Giordano D, Grasso A, Gridin A, Grosse Perdekamp M, Grube B, Grüner M, Guskov A, Haas P, von Harrach D, Hoffmann M, Hoghmrtsyan A, d'Hose N, Hsieh CY, Huber S, Ishimoto S, Ivanov A, Iwata T, Jary V, Joosten R, Kabuß E, Kaspar F, Kerbizi A, Ketzer B, Khatun A, Khaustov GV, Klasek T, Klein F, Koivuniemi JH, Kolosov VN, Kondo Horikawa K, Konorov I, Konstantinov VF, Korzenev AY, Kotzinian AM, Kouznetsov OM, Koval A, Kral Z, Krinner F, Kunne F, Kurek K, Kurjata RP, Kveton A, Lavickova K, Levorato S, Lian YS, Lichtenstadt J, Lin PJ, Longo R, Lyubovitskij VE, Maggiora A, Magnon A, Makke N, Mallot GK, Maltsev A, Martin A, Marzec J, Matoušek J, Matsuda T, Mattson G, Menezes Pires C, Metzger F, Meyer M, Meyer W, Mikhailov YV, Mikhasenko M, Mitrofanov E, Miura D, Miyachi Y, Molina R, Moretti A, Movsisyan A, Nagaytsev A, Neyret D, Niemiec M, Nový J, Nowak WD, Nukazuka G, Olshevsky AG, Ostrick M, Panzieri D, Parsamyan B, Paul S, Pekeler H, Peng JC, Pešek M, Peshekhonov DV, Pešková M, Platchkov S, Pochodzalla J, Polyakov VA, Quaresma M, Quintans C, Reicherz G, Riedl C, Ryabchikov DI, Rychter A, Rymbekova A, Samoylenko VD, Sandacz A, Sarkar S, Savin IA, Sbrizzai G, Schmieden H, Selyunin A, Sharko K, Sinha L, Spülbeck D, Srnka A, Stolarski M, Sulc M, Suzuki H, Takanashi Y, Tessaro S, Tessarotto F, Thiel A, Tosello F, Townsend A, Triloki T, Tskhay V, Valinoti B, Veit BM, Veloso JFCA, Ventura B, Vijayakumar A, Virius M, Wagner M, Wallner S, Zaremba K, Zavertyaev M, Zemko M, Zemlyanichkina E, and Ziembicki M
Abstract: New results are presented on a high-statistics measurement of Collins and Sivers asymmetries of charged hadrons produced in deep inelastic scattering of muons on a transversely polarized ^{6}LiD target. The data were taken in 2022 with the COMPASS spectrometer using the 160 GeV muon beam at CERN, statistically balancing the existing data on transversely polarized proton targets. The first results from about two-thirds of the new data have total uncertainties smaller by up to a factor of three compared to the previous deuteron measurements. Using all the COMPASS proton and deuteron results, both the transversity and the Sivers distribution functions of the u and d quark, as well as the tensor charge in the measured x range are extracted. In particular, the accuracy of the d quark results is significantly improved.
Published: 2024
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111. Final COMPASS Results on the Transverse-Spin-Dependent Azimuthal Asymmetries in the Pion-Induced Drell-Yan Process.

Author: Alexeev GD, Alexeev MG, Alice C, Amoroso A, Andrieux V, Anosov V, Augsten K, Augustyniak W, Azevedo CDR, Badelek B, Barth J, Beck R, Beckers J, Bedfer Y, Bernhard J, Bodlak M, Bradamante F, Bressan A, Chang WC, Chatterjee C, Chiosso M, Chumakov AG, Chung SU, Cicuttin A, Correia PMM, Crespo ML, D'Ago D, Dalla Torre S, Dasgupta SS, Dasgupta S, Delcarro F, Denisenko I, Denisov OY, Donskov SV, Doshita N, Dreisbach C, Dünnweber W, Dusaev RR, Ecker D, Eremeev D, Faccioli P, Faessler M, Finger M, Finger M, Fischer H, Flöthner KJ, Florian W, Friedrich JM, Frolov V, Garcia Ordòñez LG, Gautheron F, Gavrichtchouk OP, Gerassimov S, Giarra J, Giordano D, Grasso A, Gridin A, Grosse Perdekamp M, Grube B, Grüner M, Guskov A, Haas P, von Harrach D, Heitz R, Hoffmann M, d'Hose N, Hsieh CY, Huber S, Ishimoto S, Ivanov A, Iwata T, Jary V, Joosten R, Kabuß E, Kaspar F, Kerbizi A, Ketzer B, Khatun A, Khaustov GV, Klein F, Koivuniemi JH, Kolosov VN, Kondo Horikawa K, Konorov I, Konstantinov VF, Korzenev AY, Kotzinian AM, Kouznetsov OM, Koval A, Kral Z, Krinner F, Kunne F, Kurek K, Kurjata RP, Kveton A, Lavickova K, Levorato S, Lian YS, Lichtenstadt J, Lin PJ, Longo R, Lyubovitskij VE, Maggiora A, Magnon A, Makke N, Mallot GK, Maltsev A, Martin A, Marzec J, Matoušek J, Matsuda T, Mattson G, Menezes Pires C, Metzger F, Meyer M, Meyer W, Mikhailov YV, Mikhasenko M, Mitrofanov E, Miura D, Miyachi Y, Molina R, Moretti A, Nagaytsev A, Neyret D, Niemiec M, Nový J, Nowak WD, Nukazuka G, Olshevsky AG, Ostrick M, Panzieri D, Parsamyan B, Paul S, Pekeler H, Peng JC, Pešek M, Peshekhonov DV, Pešková M, Platchkov S, Pochodzalla J, Polyakov VA, Quaresma M, Quintans C, Reicherz G, Riedl C, Ryabchikov DI, Rychter A, Rymbekova A, Samoylenko VD, Sandacz A, Sarkar S, Savada T, Savin IA, Sbrizzai G, Schmieden H, Selyunin A, Sharko K, Sinha L, Spülbeck D, Srnka A, Stolarski M, Sulc M, Suzuki H, Tessaro S, Tessarotto F, Thiel A, Tosello F, Townsend A, Triloki T, Tskhay V, Valinoti B, Veit BM, Veloso JFCA, Ventura B, Vijayakumar A, Virius M, Wagner M, Wallner S, Zaremba K, Zavertyaev M, Zemko M, Zemlyanichkina E, and Ziembicki M
Abstract: The COMPASS Collaboration performed measurements of the Drell-Yan process in 2015 and 2018 using a 190 GeV/c π^{-} beam impinging on a transversely polarized ammonia target. Combining the data of both years, we present final results on the amplitudes of five azimuthal modulations, which correspond to transverse-spin-dependent azimuthal asymmetries (TSAs) in the dimuon production cross section. Three of them probe the nucleon leading-twist Sivers, transversity, and pretzelosity transverse-momentum dependent (TMD) parton distribution functions (PDFs). The other two are induced by subleading effects. These TSAs provide unique new inputs for the study of the nucleon TMD PDFs and their universality properties. In particular, the Sivers TSA observed in this measurement is consistent with the fundamental QCD prediction of a sign change of naive time-reversal-odd TMD PDFs when comparing the Drell-Yan process with deep inelastic scattering. Also, within the context of model predictions, the observed transversity TSA is consistent with the expectation of a sign change for the Boer-Mulders function.
Published: 2024
Full Text: View/download PDF

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111 results on '"Lian, Y. -S"'

101. Contribution of exclusive diffractive processes to the measured azimuthal asymmetries in SIDIS

102. New analysis of ηπ tensor resonances measured at the COMPASS experiment

103. Transverse extension of partons in the proton probed in the sea-quark range by measuring the DVCS cross section

104. Azimuthal asymmetries of charged hadrons produced in high-energy muon scattering off longitudinally polarised deuterons

105. Sivers asymmetry extracted in SIDIS at the hard scales of the Drell-Yan process at COMPASS

106. First measurement of the Sivers asymmetry for gluons using SIDIS data

107. Final COMPASS results on the deuteron spin-dependent structure function g(1)(d) and the Bjorken sum rule

108. Multiplicities of charged pions and charged hadrons from deep-inelastic scattering of muons off an isoscalar target

109. Multiplicities of charged kaons from deep-inelastic muon scattering off an isoscalar target

110. High-Statistics Measurement of Collins and Sivers Asymmetries for Transversely Polarized Deuterons.

111. Final COMPASS Results on the Transverse-Spin-Dependent Azimuthal Asymmetries in the Pion-Induced Drell-Yan Process.

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