Exclusive $\omega$ meson muoproduction on transversely polarised protons

Exclusive production of $\omega$ mesons was studied at the COMPASS experiment by scattering $160~\mathrm{GeV}/\mathit{c}$ muons off transversely polarised protons. Five single-spin and three double-spin azimuthal asymmetries were measured in the range of photon virtuality $1~(\mathrm{GeV}/\mathit{c}...

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Detalles Bibliográficos
Autores principales: Adolph, C., Agarwala, J., Aghasyan, M., Akhunzyanov, R., Alexeev, M.G., Alexeev, G.D., Amoroso, A., Andrieux, V., Anfimov, N.V., Anosov, V., Augustyniak, W., Austregesilo, A., Azevedo, C.D.R., Badelek, B., Balestra, F., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bicker, K., Bielert, E.R., Birsa, R., Bisplinghoff, J., Bodlak, M., Boer, M., Bordalo, P., Bradamante, F., Braun, C., Bressan, A., Buechele, 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. Yu., Dhara, L., Donskov, S.V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Eversheim, P.D., Eyrich, W., Faessler, M., Ferrero, A., Finger, M., Finger Jr., M., Fischer, H., Franco, C., von Hohenesche, N. du Fresne, Friedrich, J.M., Frolov, V., Fuchey, E., Gautheron, F., Gavrichtchouk, O.P., Gerassimov, S., Giordano, F., Gnesi, I., Gorzellik, M., Grabmueller, 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., dHose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Ivanshin, Yu., Iwata, T., Jahn, R., Jary, V., Joosten, R., Joerg, 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., Koenigsmann, K., Konorov, I., Konstantinov, V.F., Kotzinian, A.M., Kouznetsov, O.M., Kraemer, 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., Marchand, C., Marianski, B., Martin, A., Marzec, J., Matousek, J., Matsuda, H., Matsuda, T., Meshcheryakov, G.V., Meyer, M., Meyer, W., Michigami, T., Mikhailov, Yu. V., Mikhasenko, M., Mitrofanov, E., Mitrofanov, N., Miyachi, Y., Montuenga, P., Nagaytsev, A., Nerling, F., Neyret, D., Nikolaenko, V.I., 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., 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., 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., Schoenning, K., Schopferer, S., Seder, E., Selyunin, A., Shevchenko, O. Yu., Silva, L., Sinha, L., Sirtl, S., Slunecka, M., Smolik, J., Sozzi, F., Srnka, A., Steffen, D., Stolarski, M., Sulc, M., Suzuki, H., Szabelski, A., Szameitat, T., Sznajder, P., Takekawa, S., Tasevsky, M., Tessaro, S., Tessarotto, F., Thibaud, F., 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., Ziembicki, M., Zink, A.
Lenguaje:eng
Publicado: 2016
Materias:
nucl-ex
Nuclear Physics - Experiment
hep-ex
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/j.nuclphysb.2016.12.015
http://cds.cern.ch/record/2160545
_version_ 1780950909154492416
author Adolph, C.
Agarwala, J.
Aghasyan, M.
Akhunzyanov, R.
Alexeev, M.G.
Alexeev, G.D.
Amoroso, A.
Andrieux, V.
Anfimov, N.V.
Anosov, V.
Augustyniak, W.
Austregesilo, A.
Azevedo, C.D.R.
Badelek, B.
Balestra, F.
Barth, J.
Beck, R.
Bedfer, Y.
Bernhard, J.
Bicker, K.
Bielert, E.R.
Birsa, R.
Bisplinghoff, J.
Bodlak, M.
Boer, M.
Bordalo, P.
Bradamante, F.
Braun, C.
Bressan, A.
Buechele, 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. Yu.
Dhara, L.
Donskov, S.V.
Doshita, N.
Duic, V.
Duennweber, W.
Dziewiecki, M.
Efremov, A.
Eversheim, P.D.
Eyrich, W.
Faessler, M.
Ferrero, A.
Finger, M.
Finger Jr., M.
Fischer, H.
Franco, C.
von Hohenesche, N. du Fresne
Friedrich, J.M.
Frolov, V.
Fuchey, E.
Gautheron, F.
Gavrichtchouk, O.P.
Gerassimov, S.
Giordano, F.
Gnesi, I.
Gorzellik, M.
Grabmueller, 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.
dHose, N.
Hsieh, C. -Y.
Huber, S.
Ishimoto, S.
Ivanov, A.
Ivanshin, Yu.
Iwata, T.
Jahn, R.
Jary, V.
Joosten, R.
Joerg, 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.
Koenigsmann, K.
Konorov, I.
Konstantinov, V.F.
Kotzinian, A.M.
Kouznetsov, O.M.
Kraemer, 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.
Marchand, C.
Marianski, B.
Martin, A.
Marzec, J.
Matousek, J.
Matsuda, H.
Matsuda, T.
Meshcheryakov, G.V.
Meyer, M.
Meyer, W.
Michigami, T.
Mikhailov, Yu. V.
Mikhasenko, M.
Mitrofanov, E.
Mitrofanov, N.
Miyachi, Y.
Montuenga, P.
Nagaytsev, A.
Nerling, F.
Neyret, D.
Nikolaenko, V.I.
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.
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.
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.
Schoenning, K.
Schopferer, S.
Seder, E.
Selyunin, A.
Shevchenko, O. Yu.
Silva, L.
Sinha, L.
Sirtl, S.
Slunecka, M.
Smolik, J.
Sozzi, F.
Srnka, A.
Steffen, D.
Stolarski, M.
Sulc, M.
Suzuki, H.
Szabelski, A.
Szameitat, T.
Sznajder, P.
Takekawa, S.
Tasevsky, M.
Tessaro, S.
Tessarotto, F.
Thibaud, F.
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.
Ziembicki, M.
Zink, A.
author_facet Adolph, C.
Agarwala, J.
Aghasyan, M.
Akhunzyanov, R.
Alexeev, M.G.
Alexeev, G.D.
Amoroso, A.
Andrieux, V.
Anfimov, N.V.
Anosov, V.
Augustyniak, W.
Austregesilo, A.
Azevedo, C.D.R.
Badelek, B.
Balestra, F.
Barth, J.
Beck, R.
Bedfer, Y.
Bernhard, J.
Bicker, K.
Bielert, E.R.
Birsa, R.
Bisplinghoff, J.
Bodlak, M.
Boer, M.
Bordalo, P.
Bradamante, F.
Braun, C.
Bressan, A.
Buechele, 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. Yu.
Dhara, L.
Donskov, S.V.
Doshita, N.
Duic, V.
Duennweber, W.
Dziewiecki, M.
Efremov, A.
Eversheim, P.D.
Eyrich, W.
Faessler, M.
Ferrero, A.
Finger, M.
Finger Jr., M.
Fischer, H.
Franco, C.
von Hohenesche, N. du Fresne
Friedrich, J.M.
Frolov, V.
Fuchey, E.
Gautheron, F.
Gavrichtchouk, O.P.
Gerassimov, S.
Giordano, F.
Gnesi, I.
Gorzellik, M.
Grabmueller, 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.
dHose, N.
Hsieh, C. -Y.
Huber, S.
Ishimoto, S.
Ivanov, A.
Ivanshin, Yu.
Iwata, T.
Jahn, R.
Jary, V.
Joosten, R.
Joerg, 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.
Koenigsmann, K.
Konorov, I.
Konstantinov, V.F.
Kotzinian, A.M.
Kouznetsov, O.M.
Kraemer, 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.
Marchand, C.
Marianski, B.
Martin, A.
Marzec, J.
Matousek, J.
Matsuda, H.
Matsuda, T.
Meshcheryakov, G.V.
Meyer, M.
Meyer, W.
Michigami, T.
Mikhailov, Yu. V.
Mikhasenko, M.
Mitrofanov, E.
Mitrofanov, N.
Miyachi, Y.
Montuenga, P.
Nagaytsev, A.
Nerling, F.
Neyret, D.
Nikolaenko, V.I.
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.
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.
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.
Schoenning, K.
Schopferer, S.
Seder, E.
Selyunin, A.
Shevchenko, O. Yu.
Silva, L.
Sinha, L.
Sirtl, S.
Slunecka, M.
Smolik, J.
Sozzi, F.
Srnka, A.
Steffen, D.
Stolarski, M.
Sulc, M.
Suzuki, H.
Szabelski, A.
Szameitat, T.
Sznajder, P.
Takekawa, S.
Tasevsky, M.
Tessaro, S.
Tessarotto, F.
Thibaud, F.
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.
Ziembicki, M.
Zink, A.
author_sort Adolph, C.
collection CERN
description Exclusive production of $\omega$ mesons was studied at the COMPASS experiment by scattering $160~\mathrm{GeV}/\mathit{c}$ muons off transversely polarised protons. Five single-spin and three double-spin azimuthal asymmetries were measured in the range of photon virtuality $1~(\mathrm{GeV}/\mathit{c})^2 < Q^2 < 10~(\mathrm{GeV}/\mathit{c})^2$, Bjorken scaling variable $0.003 < x_{\mathit{Bj}} < 0.3$ and transverse momentum squared of the $\omega$ meson $0.05~(\mathrm{GeV}/\mathit{c})^2 < p_{T}^{2} < 0.5~(\mathrm{GeV}/\mathit{c})^2$. The measured asymmetries are sensitive to the nucleon helicity-flip Generalised Parton Distributions (GPD) $E$ that are related to the orbital angular momentum of quarks, the chiral-odd GPDs $H_{T}$ that are related to the transversity Parton Distribution Functions, and the sign of the $\pi\omega$ transition form factor. The results are compared to recent calculations of a GPD-based model.
id cern-2160545
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
record_format invenio
spelling cern-21605452023-09-01T04:22:06Zdoi:10.1016/j.nuclphysb.2016.12.015http://cds.cern.ch/record/2160545engAdolph, C.Agarwala, J.Aghasyan, M.Akhunzyanov, R.Alexeev, M.G.Alexeev, G.D.Amoroso, A.Andrieux, V.Anfimov, N.V.Anosov, V.Augustyniak, W.Austregesilo, A.Azevedo, C.D.R.Badelek, B.Balestra, F.Barth, J.Beck, R.Bedfer, Y.Bernhard, J.Bicker, K.Bielert, E.R.Birsa, R.Bisplinghoff, J.Bodlak, M.Boer, M.Bordalo, P.Bradamante, F.Braun, C.Bressan, A.Buechele, 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. Yu.Dhara, L.Donskov, S.V.Doshita, N.Duic, V.Duennweber, W.Dziewiecki, M.Efremov, A.Eversheim, P.D.Eyrich, W.Faessler, M.Ferrero, A.Finger, M.Finger Jr., M.Fischer, H.Franco, C.von Hohenesche, N. du FresneFriedrich, J.M.Frolov, V.Fuchey, E.Gautheron, F.Gavrichtchouk, O.P.Gerassimov, S.Giordano, F.Gnesi, I.Gorzellik, M.Grabmueller, 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.dHose, N.Hsieh, C. -Y.Huber, S.Ishimoto, S.Ivanov, A.Ivanshin, Yu.Iwata, T.Jahn, R.Jary, V.Joosten, R.Joerg, 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.Koenigsmann, K.Konorov, I.Konstantinov, V.F.Kotzinian, A.M.Kouznetsov, O.M.Kraemer, 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.Marchand, C.Marianski, B.Martin, A.Marzec, J.Matousek, J.Matsuda, H.Matsuda, T.Meshcheryakov, G.V.Meyer, M.Meyer, W.Michigami, T.Mikhailov, Yu. V.Mikhasenko, M.Mitrofanov, E.Mitrofanov, N.Miyachi, Y.Montuenga, P.Nagaytsev, A.Nerling, F.Neyret, D.Nikolaenko, V.I.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.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.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.Schoenning, K.Schopferer, S.Seder, E.Selyunin, A.Shevchenko, O. Yu.Silva, L.Sinha, L.Sirtl, S.Slunecka, M.Smolik, J.Sozzi, F.Srnka, A.Steffen, D.Stolarski, M.Sulc, M.Suzuki, H.Szabelski, A.Szameitat, T.Sznajder, P.Takekawa, S.Tasevsky, M.Tessaro, S.Tessarotto, F.Thibaud, F.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.Ziembicki, M.Zink, A.Exclusive $\omega$ meson muoproduction on transversely polarised protonsnucl-exNuclear Physics - Experimenthep-exParticle Physics - ExperimentExclusive production of $\omega$ mesons was studied at the COMPASS experiment by scattering $160~\mathrm{GeV}/\mathit{c}$ muons off transversely polarised protons. Five single-spin and three double-spin azimuthal asymmetries were measured in the range of photon virtuality $1~(\mathrm{GeV}/\mathit{c})^2 < Q^2 < 10~(\mathrm{GeV}/\mathit{c})^2$, Bjorken scaling variable $0.003 < x_{\mathit{Bj}} < 0.3$ and transverse momentum squared of the $\omega$ meson $0.05~(\mathrm{GeV}/\mathit{c})^2 < p_{T}^{2} < 0.5~(\mathrm{GeV}/\mathit{c})^2$. The measured asymmetries are sensitive to the nucleon helicity-flip Generalised Parton Distributions (GPD) $E$ that are related to the orbital angular momentum of quarks, the chiral-odd GPDs $H_{T}$ that are related to the transversity Parton Distribution Functions, and the sign of the $\pi\omega$ transition form factor. The results are compared to recent calculations of a GPD-based model.Exclusive production of ω mesons was studied at the COMPASS experiment by scattering <math altimg="si1.gif" display="inline" overflow="scroll"><mn>160</mn><mtext> </mtext><mtext>GeV</mtext><mo stretchy="false">/</mo><mi>c</mi></math> muons off transversely polarised protons. Five single-spin and three double-spin azimuthal asymmetries were measured in the range of photon virtuality <math altimg="si2.gif" display="inline" overflow="scroll"><mn>1</mn><mtext> </mtext><msup><mrow><mo stretchy="false">(</mo><mtext>GeV</mtext><mo stretchy="false">/</mo><mi>c</mi><mo stretchy="false">)</mo></mrow><mrow><mn>2</mn></mrow></msup><mo>&lt;</mo><msup><mrow><mi>Q</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>&lt;</mo><mn>10</mn><mtext> </mtext><msup><mrow><mo stretchy="false">(</mo><mtext>GeV</mtext><mo stretchy="false">/</mo><mi>c</mi><mo stretchy="false">)</mo></mrow><mrow><mn>2</mn></mrow></msup></math>, Bjorken scaling variable <math altimg="si3.gif" display="inline" overflow="scroll"><mn>0.003</mn><mo>&lt;</mo><msub><mrow><mi>x</mi></mrow><mrow><mi mathvariant="italic">Bj</mi></mrow></msub><mo>&lt;</mo><mn>0.3</mn></math> and transverse momentum squared of the ω meson <math altimg="si4.gif" display="inline" overflow="scroll"><mn>0.05</mn><mtext> </mtext><msup><mrow><mo stretchy="false">(</mo><mtext>GeV</mtext><mo stretchy="false">/</mo><mi>c</mi><mo stretchy="false">)</mo></mrow><mrow><mn>2</mn></mrow></msup><mo>&lt;</mo><msubsup><mrow><mi>p</mi></mrow><mrow><mi>T</mi></mrow><mrow><mn>2</mn></mrow></msubsup><mo>&lt;</mo><mn>0.5</mn><mtext> </mtext><msup><mrow><mo stretchy="false">(</mo><mtext>GeV</mtext><mo stretchy="false">/</mo><mi>c</mi><mo stretchy="false">)</mo></mrow><mrow><mn>2</mn></mrow></msup></math>. The measured asymmetries are sensitive to the nucleon helicity-flip Generalised Parton Distributions (GPD) E that are related to the orbital angular momentum of quarks, the chiral-odd GPDs <math altimg="si5.gif" display="inline" overflow="scroll"><msub><mrow><mi>H</mi></mrow><mrow><mi>T</mi></mrow></msub></math> that are related to the transversity Parton Distribution Functions, and the sign of the πω transition form factor. The results are compared to recent calculations of a GPD-based model.Exclusive production of ω mesons was studied at the COMPASS experiment by scattering 160 GeV/c muons off transversely polarised protons. Five single-spin and three double-spin azimuthal asymmetries were measured in the range of photon virtuality 1 (GeV/c)2<Q2<10 (GeV/c)2 , Bjorken scaling variable 0.003<xBj<0.3 and transverse momentum squared of the ω meson 0.05 (GeV/c)2<pT2<0.5 (GeV/c)2 . The measured asymmetries are sensitive to the nucleon helicity-flip Generalised Parton Distributions (GPD) E that are related to the orbital angular momentum of quarks, the chiral-odd GPDs HT that are related to the transversity Parton Distribution Functions, and the sign of the πω transition form factor. The results are compared to recent calculations of a GPD-based model.Exclusive production of $\omega$ mesons was studied at the COMPASS experiment by scattering $160~\mathrm{GeV}/\mathit{c}$ muons off transversely polarised protons. Five single-spin and three double-spin azimuthal asymmetries were measured in the range of photon virtuality $1~(\mathrm{GeV}/\mathit{c})^2 < Q^2 < 10~(\mathrm{GeV}/\mathit{c})^2$, Bjorken scaling variable $0.003 < x_{\mathit{Bj}} < 0.3$ and transverse momentum squared of the $\omega$ meson $0.05~(\mathrm{GeV}/\mathit{c})^2 < p_{T}^{2} < 0.5~(\mathrm{GeV}/\mathit{c})^2$. The measured asymmetries are sensitive to the nucleon helicity-flip Generalised Parton Distributions (GPD) $E$ that are related to the orbital angular momentum of quarks, the chiral-odd GPDs $H_{T}$ that are related to the transversity Parton Distribution Functions, and the sign of the $\pi\omega$ transition form factor. The results are compared to recent calculations of a GPD-based model.arXiv:1606.03725CERN-EP-2016-157oai:cds.cern.ch:21605452016-06-12
spellingShingle nucl-ex
Nuclear Physics - Experiment
hep-ex
Particle Physics - Experiment
Adolph, C.
Agarwala, J.
Aghasyan, M.
Akhunzyanov, R.
Alexeev, M.G.
Alexeev, G.D.
Amoroso, A.
Andrieux, V.
Anfimov, N.V.
Anosov, V.
Augustyniak, W.
Austregesilo, A.
Azevedo, C.D.R.
Badelek, B.
Balestra, F.
Barth, J.
Beck, R.
Bedfer, Y.
Bernhard, J.
Bicker, K.
Bielert, E.R.
Birsa, R.
Bisplinghoff, J.
Bodlak, M.
Boer, M.
Bordalo, P.
Bradamante, F.
Braun, C.
Bressan, A.
Buechele, 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. Yu.
Dhara, L.
Donskov, S.V.
Doshita, N.
Duic, V.
Duennweber, W.
Dziewiecki, M.
Efremov, A.
Eversheim, P.D.
Eyrich, W.
Faessler, M.
Ferrero, A.
Finger, M.
Finger Jr., M.
Fischer, H.
Franco, C.
von Hohenesche, N. du Fresne
Friedrich, J.M.
Frolov, V.
Fuchey, E.
Gautheron, F.
Gavrichtchouk, O.P.
Gerassimov, S.
Giordano, F.
Gnesi, I.
Gorzellik, M.
Grabmueller, 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.
dHose, N.
Hsieh, C. -Y.
Huber, S.
Ishimoto, S.
Ivanov, A.
Ivanshin, Yu.
Iwata, T.
Jahn, R.
Jary, V.
Joosten, R.
Joerg, 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.
Koenigsmann, K.
Konorov, I.
Konstantinov, V.F.
Kotzinian, A.M.
Kouznetsov, O.M.
Kraemer, 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.
Marchand, C.
Marianski, B.
Martin, A.
Marzec, J.
Matousek, J.
Matsuda, H.
Matsuda, T.
Meshcheryakov, G.V.
Meyer, M.
Meyer, W.
Michigami, T.
Mikhailov, Yu. V.
Mikhasenko, M.
Mitrofanov, E.
Mitrofanov, N.
Miyachi, Y.
Montuenga, P.
Nagaytsev, A.
Nerling, F.
Neyret, D.
Nikolaenko, V.I.
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.
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.
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.
Schoenning, K.
Schopferer, S.
Seder, E.
Selyunin, A.
Shevchenko, O. Yu.
Silva, L.
Sinha, L.
Sirtl, S.
Slunecka, M.
Smolik, J.
Sozzi, F.
Srnka, A.
Steffen, D.
Stolarski, M.
Sulc, M.
Suzuki, H.
Szabelski, A.
Szameitat, T.
Sznajder, P.
Takekawa, S.
Tasevsky, M.
Tessaro, S.
Tessarotto, F.
Thibaud, F.
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.
Ziembicki, M.
Zink, A.
Exclusive $\omega$ meson muoproduction on transversely polarised protons
title Exclusive $\omega$ meson muoproduction on transversely polarised protons
title_full Exclusive $\omega$ meson muoproduction on transversely polarised protons
title_fullStr Exclusive $\omega$ meson muoproduction on transversely polarised protons
title_full_unstemmed Exclusive $\omega$ meson muoproduction on transversely polarised protons
title_short Exclusive $\omega$ meson muoproduction on transversely polarised protons
title_sort exclusive $\omega$ meson muoproduction on transversely polarised protons
topic nucl-ex
Nuclear Physics - Experiment
hep-ex
Particle Physics - Experiment
url https://dx.doi.org/10.1016/j.nuclphysb.2016.12.015
http://cds.cern.ch/record/2160545
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AT uhls exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT velosoj exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT viriusm exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT vondraj exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT wallners exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT weisrockt exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT wilfertm exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT terwolbeekj exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT zarembak exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT zavadap exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT zavertyaevm exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT zemlyanichkinae exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT ziembickim exclusiveomegamesonmuoproductionontransverselypolarisedprotons
AT zinka exclusiveomegamesonmuoproductionontransverselypolarisedprotons

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