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Dihadron Transverse-Spin Asymmetries in Muon-Deuteron Deep-Inelastic Scattering

Fuente: arXiv

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Hauptverfasser:	Alexeev, G. D., Alexeev, M. G., Alice, C., Amoroso, A., Andrieux, V., Anosov, V., Asatryan, S., Augsten, K., Augustyniak, W., Azevedo, C. D. R., Badelek, B., Beck, R., Beckers, J., Bedfer, Y., Benesova, V., Bernhard, J., Bradamante, F., Bressan, A., Chang, W. -C ., Chatterjee, C., Chiosso, M., Chung, S. -U., Cicuttin, A., Crespo, M. L., D'Ago, D., Torre, S. Dalla, Dasgupta, S. S., Dasgupta, S., Dehpour, M., Delcarro, F., Denisenko, I., Denisov, O. Yu., Donskov, S. V., Doshita, N., Dreisbach, Ch., nweber, W. Dün, Dusaev, R. R., Ecker, D., Faccioli, P., Faessler, M., Finger, M., Finger jr., M., Fischer, H., Flöthner, K. J., Florian, W., Friedrich, J. M., Frolov, V., Ordòñez, L. G. Garcia, Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., o, D. Giordan, Grasso, A., Gridin, A., Perdekamp, M. Grosse, Grube, B., Grüner, M., Guskov, A., Haas, P., von Harrach, D., Hoffmann, M., Hoghmrtsyan, A., d'Hose, N., Hsieh, C. -Y., Ishimoto, S., Ivanov, A., Iwata, T., Jary, V., Jelinkova, E., Joosten, R., Kabuß, E., Kaspar, F., Kerbizi, A., Ketzer, B., Khaustov, G. V., Klasek, T., Koivuniemi, J. H., Kolosov, V. N., Horikawa, K. Kondo, Konorov, I., Korzenev, A. Yu., Kotzinian, A. M., Kouznetsov, O. M., Koval, A., 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., Makke, N., Mallot, G. K., Maltsev, A., Martin, A., Marukyan, H., Marzec, J., Matoušek, J., Matsuda, T., Pires, C. Menezes, r, F. Metzge, Meyer, W., Mikhasenko, M., Mitrofanov, E., Miura, D., Miyachi, Y., Molina, R., Movsisian, A., Moretti, A., Nagaytsev, A., Neyret, D., Niemiec, M., Nový, J., Nowak, W. -D., Nukazuka, G., Olshevsky, A. G., Ostrick, M., Panzieri, D., Parsamyan, B., aul, S. P, Pekeler, H., Peng, J. -C., Pešek, M., Peshekhonov, D. V., Pešková, M., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Pucci, P., Quintans, C., Reicherz, G., Riedl, C., Ryabchikov, D. I., Rychter, A., Rymbekova, A., Samoylenko, V. D., andacz, A. S, Sarkar, S., Savin, I. A., Sbrizzai, G., Schmieden, H., Selyunin, A., Seriubin, S., Sinha, L., Spülbeck, D., Srnka, A., Stolarski, M., Sulc, M., Suzuki, H., Tessaro, S., Tessarotto, F., Thiel, A., Tosello, F., Townsend, A., Tskhay, V., ti, B. Valino, Veit, B. M., Veloso, J. F. C. A., Vijayakumar, A., Virius, M., Wagner, M., Wallner, S., Zaremba, K., Zavertyaev, M., Zemko, M., Zemlyanichkina, E., Ziembicki, M.
Format:	Preprint
Veröffentlicht:	2025
Schlagworte:	High Energy Physics - Experiment
Online-Zugang:	Acceder al recurso
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_version_	1866909976720572416
author	Alexeev, G. D. Alexeev, M. G. Alice, C. Amoroso, A. Andrieux, V. Anosov, V. Asatryan, S. Augsten, K. Augustyniak, W. Azevedo, C. D. R. Badelek, B. Beck, R. Beckers, J. Bedfer, Y. Benesova, V. Bernhard, J. Bradamante, F. Bressan, A. Chang, W. -C . Chatterjee, C. Chiosso, M. Chung, S. -U. Cicuttin, A. Crespo, M. L. D'Ago, D. Torre, S. Dalla Dasgupta, S. S. Dasgupta, S. Dehpour, M. Delcarro, F. Denisenko, I. Denisov, O. Yu. Donskov, S. V. Doshita, N. Dreisbach, Ch. nweber, W. Dün Dusaev, R. R. Ecker, D. Faccioli, P. Faessler, M. Finger, M. Finger jr., M. Fischer, H. Flöthner, K. J. Florian, W. Friedrich, J. M. Frolov, V. Ordòñez, L. G. Garcia Gavrichtchouk, O. P. Gerassimov, S. Giarra, J. o, D. Giordan Grasso, A. Gridin, A. Perdekamp, M. Grosse Grube, B. Grüner, M. Guskov, A. Haas, P. von Harrach, D. Hoffmann, M. Hoghmrtsyan, A. d'Hose, N. Hsieh, C. -Y. Ishimoto, S. Ivanov, A. Iwata, T. Jary, V. Jelinkova, E. Joosten, R. Kabuß, E. Kaspar, F. Kerbizi, A. Ketzer, B. Khaustov, G. V. Klasek, T. Koivuniemi, J. H. Kolosov, V. N. Horikawa, K. Kondo Konorov, I. Korzenev, A. Yu. Kotzinian, A. M. Kouznetsov, O. M. Koval, A. 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. Makke, N. Mallot, G. K. Maltsev, A. Martin, A. Marukyan, H. Marzec, J. Matoušek, J. Matsuda, T. Pires, C. Menezes r, F. Metzge Meyer, W. Mikhasenko, M. Mitrofanov, E. Miura, D. Miyachi, Y. Molina, R. Movsisian, A. Moretti, A. Nagaytsev, A. Neyret, D. Niemiec, M. Nový, J. Nowak, W. -D. Nukazuka, G. Olshevsky, A. G. Ostrick, M. Panzieri, D. Parsamyan, B. aul, S. P Pekeler, H. Peng, J. -C. Pešek, M. Peshekhonov, D. V. Pešková, M. Platchkov, S. Pochodzalla, J. Polyakov, V. A. Pucci, P. Quintans, C. Reicherz, G. Riedl, C. Ryabchikov, D. I. Rychter, A. Rymbekova, A. Samoylenko, V. D. andacz, A. S Sarkar, S. Savin, I. A. Sbrizzai, G. Schmieden, H. Selyunin, A. Seriubin, S. Sinha, L. Spülbeck, D. Srnka, A. Stolarski, M. Sulc, M. Suzuki, H. Tessaro, S. Tessarotto, F. Thiel, A. Tosello, F. Townsend, A. Tskhay, V. ti, B. Valino Veit, B. M. Veloso, J. F. C. A. Vijayakumar, A. Virius, M. Wagner, M. Wallner, S. Zaremba, K. Zavertyaev, M. Zemko, M. Zemlyanichkina, E. Ziembicki, M.
author_facet	Alexeev, G. D. Alexeev, M. G. Alice, C. Amoroso, A. Andrieux, V. Anosov, V. Asatryan, S. Augsten, K. Augustyniak, W. Azevedo, C. D. R. Badelek, B. Beck, R. Beckers, J. Bedfer, Y. Benesova, V. Bernhard, J. Bradamante, F. Bressan, A. Chang, W. -C . Chatterjee, C. Chiosso, M. Chung, S. -U. Cicuttin, A. Crespo, M. L. D'Ago, D. Torre, S. Dalla Dasgupta, S. S. Dasgupta, S. Dehpour, M. Delcarro, F. Denisenko, I. Denisov, O. Yu. Donskov, S. V. Doshita, N. Dreisbach, Ch. nweber, W. Dün Dusaev, R. R. Ecker, D. Faccioli, P. Faessler, M. Finger, M. Finger jr., M. Fischer, H. Flöthner, K. J. Florian, W. Friedrich, J. M. Frolov, V. Ordòñez, L. G. Garcia Gavrichtchouk, O. P. Gerassimov, S. Giarra, J. o, D. Giordan Grasso, A. Gridin, A. Perdekamp, M. Grosse Grube, B. Grüner, M. Guskov, A. Haas, P. von Harrach, D. Hoffmann, M. Hoghmrtsyan, A. d'Hose, N. Hsieh, C. -Y. Ishimoto, S. Ivanov, A. Iwata, T. Jary, V. Jelinkova, E. Joosten, R. Kabuß, E. Kaspar, F. Kerbizi, A. Ketzer, B. Khaustov, G. V. Klasek, T. Koivuniemi, J. H. Kolosov, V. N. Horikawa, K. Kondo Konorov, I. Korzenev, A. Yu. Kotzinian, A. M. Kouznetsov, O. M. Koval, A. 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. Makke, N. Mallot, G. K. Maltsev, A. Martin, A. Marukyan, H. Marzec, J. Matoušek, J. Matsuda, T. Pires, C. Menezes r, F. Metzge Meyer, W. Mikhasenko, M. Mitrofanov, E. Miura, D. Miyachi, Y. Molina, R. Movsisian, A. Moretti, A. Nagaytsev, A. Neyret, D. Niemiec, M. Nový, J. Nowak, W. -D. Nukazuka, G. Olshevsky, A. G. Ostrick, M. Panzieri, D. Parsamyan, B. aul, S. P Pekeler, H. Peng, J. -C. Pešek, M. Peshekhonov, D. V. Pešková, M. Platchkov, S. Pochodzalla, J. Polyakov, V. A. Pucci, P. Quintans, C. Reicherz, G. Riedl, C. Ryabchikov, D. I. Rychter, A. Rymbekova, A. Samoylenko, V. D. andacz, A. S Sarkar, S. Savin, I. A. Sbrizzai, G. Schmieden, H. Selyunin, A. Seriubin, S. Sinha, L. Spülbeck, D. Srnka, A. Stolarski, M. Sulc, M. Suzuki, H. Tessaro, S. Tessarotto, F. Thiel, A. Tosello, F. Townsend, A. Tskhay, V. ti, B. Valino Veit, B. M. Veloso, J. F. C. A. Vijayakumar, A. Virius, M. Wagner, M. Wallner, S. Zaremba, K. Zavertyaev, M. Zemko, M. Zemlyanichkina, E. Ziembicki, M.
contents	In 2022, the COMPASS collaboration performed semi-inclusive measurements of deep-inelastic muon-scattering on a transversely polarised deuteron (6LiD) target. From these data, transverse-spin-dependent dihadron asymmetries are extracted using pairs of oppositely charged hadrons. These asymmetries are directly sensitive to the quark transversity distributions and provide an independent handle on these fundamental quantities with respect to the Collins asymmetries measured in single-hadron production. The present results significantly improve upon the previous COMPASS deuteron measurements, which were the only available deuteron data worldwide, and reach a statistical precision comparable to that of the existing proton results from COMPASS. A small but nonzero asymmetry is observed at large Bjorken-x, consistent with theoretical expectations. A point-by-point extraction of the valence-quark transversity distributions yields, in particular, a substantially improved determination of the d-quark transversity. These measurements represent a major step towards a complete flavour mapping of the transverse-spin structure of the nucleon.
format	Preprint
id	arxiv_https___arxiv_org_abs_2512_22311
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Dihadron Transverse-Spin Asymmetries in Muon-Deuteron Deep-Inelastic Scattering Alexeev, G. D. Alexeev, M. G. Alice, C. Amoroso, A. Andrieux, V. Anosov, V. Asatryan, S. Augsten, K. Augustyniak, W. Azevedo, C. D. R. Badelek, B. Beck, R. Beckers, J. Bedfer, Y. Benesova, V. Bernhard, J. Bradamante, F. Bressan, A. Chang, W. -C . Chatterjee, C. Chiosso, M. Chung, S. -U. Cicuttin, A. Crespo, M. L. D'Ago, D. Torre, S. Dalla Dasgupta, S. S. Dasgupta, S. Dehpour, M. Delcarro, F. Denisenko, I. Denisov, O. Yu. Donskov, S. V. Doshita, N. Dreisbach, Ch. nweber, W. Dün Dusaev, R. R. Ecker, D. Faccioli, P. Faessler, M. Finger, M. Finger jr., M. Fischer, H. Flöthner, K. J. Florian, W. Friedrich, J. M. Frolov, V. Ordòñez, L. G. Garcia Gavrichtchouk, O. P. Gerassimov, S. Giarra, J. o, D. Giordan Grasso, A. Gridin, A. Perdekamp, M. Grosse Grube, B. Grüner, M. Guskov, A. Haas, P. von Harrach, D. Hoffmann, M. Hoghmrtsyan, A. d'Hose, N. Hsieh, C. -Y. Ishimoto, S. Ivanov, A. Iwata, T. Jary, V. Jelinkova, E. Joosten, R. Kabuß, E. Kaspar, F. Kerbizi, A. Ketzer, B. Khaustov, G. V. Klasek, T. Koivuniemi, J. H. Kolosov, V. N. Horikawa, K. Kondo Konorov, I. Korzenev, A. Yu. Kotzinian, A. M. Kouznetsov, O. M. Koval, A. 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. Makke, N. Mallot, G. K. Maltsev, A. Martin, A. Marukyan, H. Marzec, J. Matoušek, J. Matsuda, T. Pires, C. Menezes r, F. Metzge Meyer, W. Mikhasenko, M. Mitrofanov, E. Miura, D. Miyachi, Y. Molina, R. Movsisian, A. Moretti, A. Nagaytsev, A. Neyret, D. Niemiec, M. Nový, J. Nowak, W. -D. Nukazuka, G. Olshevsky, A. G. Ostrick, M. Panzieri, D. Parsamyan, B. aul, S. P Pekeler, H. Peng, J. -C. Pešek, M. Peshekhonov, D. V. Pešková, M. Platchkov, S. Pochodzalla, J. Polyakov, V. A. Pucci, P. Quintans, C. Reicherz, G. Riedl, C. Ryabchikov, D. I. Rychter, A. Rymbekova, A. Samoylenko, V. D. andacz, A. S Sarkar, S. Savin, I. A. Sbrizzai, G. Schmieden, H. Selyunin, A. Seriubin, S. Sinha, L. Spülbeck, D. Srnka, A. Stolarski, M. Sulc, M. Suzuki, H. Tessaro, S. Tessarotto, F. Thiel, A. Tosello, F. Townsend, A. Tskhay, V. ti, B. Valino Veit, B. M. Veloso, J. F. C. A. Vijayakumar, A. Virius, M. Wagner, M. Wallner, S. Zaremba, K. Zavertyaev, M. Zemko, M. Zemlyanichkina, E. Ziembicki, M. High Energy Physics - Experiment In 2022, the COMPASS collaboration performed semi-inclusive measurements of deep-inelastic muon-scattering on a transversely polarised deuteron (6LiD) target. From these data, transverse-spin-dependent dihadron asymmetries are extracted using pairs of oppositely charged hadrons. These asymmetries are directly sensitive to the quark transversity distributions and provide an independent handle on these fundamental quantities with respect to the Collins asymmetries measured in single-hadron production. The present results significantly improve upon the previous COMPASS deuteron measurements, which were the only available deuteron data worldwide, and reach a statistical precision comparable to that of the existing proton results from COMPASS. A small but nonzero asymmetry is observed at large Bjorken-x, consistent with theoretical expectations. A point-by-point extraction of the valence-quark transversity distributions yields, in particular, a substantially improved determination of the d-quark transversity. These measurements represent a major step towards a complete flavour mapping of the transverse-spin structure of the nucleon.
title	Dihadron Transverse-Spin Asymmetries in Muon-Deuteron Deep-Inelastic Scattering
topic	High Energy Physics - Experiment
url	https://arxiv.org/abs/2512.22311