Measurement of the mesonic decay branch of the $\bar{K}\!N\!N$ quasi-bound state

Autor: Yamaga, T., Ajimura, S., Asano, H., Beer, G., Bhang, H., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Curceanu, C., Enomoto, S., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishikawa, T., Ishimoto, S., Itahashi, K., Iwai, M., Iwasaki, M., Kanno, K., Kato, K., Kato, Y., Kawasaki, S., Kienle, P., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Mizoi, Y., Morra, O., Murayama, R., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Outa, H., Piscicchia, K., Sada, Y., Sakaguchi, A., Sakuma, F., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Shirotori, K., Sirghi, D., Sirghi, F., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Doce, O. Vazquez, Widmann, E., Yamazaki, T., Yim, H., Zhang, Q., Zmeskal, J.

We conducted measurements of $K^- + {^3{\rm He}} \to \pi \!Y \!N + N'$ reactions using a $1~{\rm GeV}/c$ $K^-$-beam, with the objective of understanding the broad decay width of $\bar{K} \!N \!N$ (approximately twice as broad as that of $\Lambda(1405

Externí odkaz: http://arxiv.org/abs/2404.01773

High-statistics measurement of Collins and Sivers asymmetries for transversely polarised deuterons

Autor: 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., Barth, J., Beck, R., Beckers, J., Bedfer, Y., Bernhard, J., Bodlak, M., Bradamante, F., Bressan, A., 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., Torre, S. Dalla, Dasgupta, S. S., Dasgupta, S., Delcarro, F., Denisenko, I., Denisov, O. Yu., Donskov, S. V., Doshita, N., Dreisbach, Ch., Dunnweber, W., Dusaev, R. R., Ecker, D., Eremeev, D., Faccioli, P., Faessler, M., Finger, M., Finger jr., M., Fischer, H., Flothner, K. J., Florian, W., Friedrich, J. M., Frolov, V., Ordonez, L. G. Garcia, Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, D., Grasso, A., Gridin, A., Perdekamp, M. Grosse, Grube, B., Gruner, M., Guskov, A., Haas, P., von Harrach, D., Hoffmann, M., Hoghmrtsyan, A., d'Hose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Iwata, T., Jary, V., Joosten, R., Kabuss, E., Kaspar, F., Kerbizi, A., Ketzer, B., Khatun, A., Khaustov, G. V., Klasek, T., Klein, F., Koivuniemi, J. H., Kolosov, V. N., Horikawa, K. Kondo, Konorov, I., Konstantinov, V. F., Korzenev, A. Yu., Kotzinian, A. M., Kouznetsov, O. M., Koval, A., Kral, Z., Krinner, F., 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., Makke, N., Mallot, G. K., Maltsev, A., Martin, A., Marzec, J., Matousek, J., Matsuda, T., Mattson, G., Pires, C. Menezes, Metzger, F., Meyer, M., Meyer, W., Mikhailov, Yu. V., Mikhasenko, M., Mitrofanov, E., Miura, D., Miyachi, Y., Molina, R., Moretti, A., Movsisyan, A., Nagaytsev, A., Neyret, D., Niemiec, M., Novy, J., Nowak, W. -D., Nukazuka, G., Olshevsky, A. G., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Pekeler, H., Peng, J. -C., Pesek, M., Peshekhonov, D. V., Peskova, M., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Quaresma, M., Quintans, C., Reicherz, G., Riedl, C., Ryabchikov, D. I., Rychter, A., Rymbekova, A., Samoylenko, V. D., Sandacz, A., Sarkar, S., Savin, I. A., Sbrizzai, G., Schmieden, H., Selyunin, A., Sharko, K., Sinha, L., Spulbeck, 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, B. M., Veloso, J. F. C. A., Ventura, B., Vijayakumar, A., Virius, M., Wagner, M., Wallner, S., Zaremba, K., Zavertyaev, M., Zemko, M., Zemlyanichkina, E., Ziembicki, M.

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 polarised $^6$LiD target. The data were taken in 2022 with the COMPASS sp

Externí odkaz: http://arxiv.org/abs/2401.00309

Transverse Emittance Reduction in Muon Beams by Ionization Cooling

Autor: The MICE Collaboration, Bogomilov, M., Tsenov, R., Vankova-Kirilova, G., Song, Y. P., Tang, J. Y., Li, Z. H., Bertoni, R., Bonesini, M., Chignoli, F., Mazza, R., de Bari, A., Orestano, D., Tortora, L., Kuno, Y., Sakamoto, H., Sato, A., Ishimoto, S., Chung, M., Sung, C. K., Filthaut, F., Fedorov, M., Jokovic, D., Maletic, D., Savic, M., Jovancevic, N., Nikolov, J., Vretenar, M., Ramberger, S., Asfandiyarov, R., Blondel, A., Drielsma, F., Karadzhov, Y., Boyd, S., Greis, J. R., Lord, T., Pidcott, C., Taylor, I., Charnley, G., Collomb, N., Dumbell, K., Gallagher, A., Grant, A., Griffiths, S., Hartnett, T., Martlew, B., Moss, A., Muir, A., Mullacrane, I., Oates, A., Owens, P., Stokes, G., Warburton, P., White, C., Adams, D., Bayliss, V., Boehm, J., Bradshaw, T. W., Brown, C., Courthold, M., Govans, J., Hayler, T., Hills, M., Lagrange, J. B., Macwaters, C., Nichols, A., Preece, R., Ricciardi, S., Rogers, C., Stanley, T., Tarrant, J., Tucker, M., Watson, S., Wilson, A., Bayes, R., Nugent, J. C., Soler, F. J. P., Chatzitheodoridis, G. T., Dick, A. J., Ronald, K., Whyte, C. G., Young, A. R., Gamet, R., Cooke, P., Blackmore, V. J., Colling, D., Dobbs, A., Dornan, P., Franchini, P., Hunt, C., Jurj, P. B., Kurup, A., Long, K., Martyniak, J., Middleton, S., Pasternak, J., Uchida, M. A., Cobb, J. H., Booth, C. N., Hodgson, P., Langlands, J., Overton, E., Pec, V., Smith, P. J., Wilbur, S., Ellis, M., Gardener, R. B. S., Kyberd, P., Nebrensky, J. J., DeMello, A., Gourlay, S., Lambert, A., Li, D., Luo, T., Prestemon, S., Virostek, S., Palmer, M., Witte, H., Adey, D., Bross, A. D., Bowring, D., Liu, A., Neuffer, D., Popovic, M., Rubinov, P., Freemire, B., Hanlet, P., Kaplan, D. M., Mohayai, T. A., Rajaram, D., Snopok, P., Torun, Y., Cremaldi, L. M., Sanders, D. A., Coney, L. R., Hanson, G. G., Heidt, C.

Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams have not yet been produced. The main challenge for muon acceleration an

Externí odkaz: http://arxiv.org/abs/2310.05669

Collins and Sivers transverse-spin asymmetries in inclusive muoproduction of $\rho^0$ mesons

Autor: Alexeev, G. D., Alexeev, M. G., Alice, C., Amoroso, A., Andrieux, V., Anosov, V., Augsten, K., Augustyniak, W., Azevedo, C. D. R., Badelek, B., Barth, J., Beck, R., Bedfer, Y., Bernhard, J., Bodlak, M., Bradamante, F., Bressan, A., 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., Torre, S. Dalla, Dasgupta, S. S., Dasgupta, S., Del Carro, F., Denisenko, I., Denisov, O. Yu., Donskov, S. V., Doshita, N., Dreisbach, Ch., Dünnweber, W., Dusaev, R. R., Ecker, D., Efremov, A., Elia, C., Eremeev, 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, Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Giarra, J., Giordano, D., Gorzellik, M., Grasso, A., Gridin, A., Perdekamp, M. Grosse, Grube, B., Grüner, M., Guskov, A., von Harrach, D., Hoffmann, M., Horikawa, N., d'Hose, N., Hsieh, C. -Y., Huber, S., Ishimoto, S., Ivanov, A., Iwata, T., Jandek, M., Jary, V., Joosten, R., Kabuß, E., Kaspar, F., Kerbizi, A., Ketzer, B., Khatun, A., Khaustov, G. V., Klein, F., Koivuniemi, J. H., Kolosov, V. N., Horikawa, K. Kondo, Konorov, I., Konstantinov, V. F., Korzenev, A. M., Kotzinian, A. M., Kouznetsov, O. M., Koval, A., Kral, Z., Krinner, F., 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., Martin, A., Marzec, J., Matoušek, J., Matsuda, T., Mattson, G., Pires, C. Menezes, Metzger, F., Meyer, M., Meyer, W., Mikhailov, Yu. V., Mikhasenko, M., Mitrofanov, E., Miura, D., Miyachi, Y., Molina, R., Moretti, A., Nagaytsev, A., Naim, C., Neyret, D., Nový, J., Nowak, W. -D., Nukazuka, G., Olshevsky, A. G., Ostrick, M., Panzieri, D., Parsamyan, B., Paul, S., Pekeler, H., Peng, J. -C., Pešek, M., Peshekhonov, D. V., Pešková, M., Platchkov, S., Pochodzalla, J., Polyakov, V. A., Quaresma, M., Quintans, C., Reicherz, G., Riedl, C., Rudnicki, T., Ryabchikov, D. I., Rychter, A., Rymbekova, A., Samoylenko, V. D., Sandacz, A., Sarkar, S., Savin, I. A., Sbrizzai, G., Schmieden, H., Selyunin, A., Sharko, K., Sinha, L., Slunecka, M., Sozzi, F., Spülbeck, D., Srnka, A., Stolarski, M., Subrt, O., Sulc, M., Suzuki, H., Tessaro, S., Tessarotto, F., Thiel, A., Tomsa, J., Tosello, F., Townsend, A., Triloki, T., Tskhay, V., Valinoti, B., Veit, B. M., Veloso, J. F. C. A., Ventura, B., Virius, M., Wagner, M., Wallner, S., Zaremba, K., Zavertyaev, M., Zemko, M., Zemlyanichkina, E., Ziembicki, M.

The production of vector mesons in deep inelastic scattering is an interesting yet scarsely explored channel to study the transverse spin structure of the nucleon and the related phenomena. The COMPASS collaboration has performed the first measuremen

Externí odkaz: http://arxiv.org/abs/2211.00093

Multiple Coulomb Scattering of muons in Lithium Hydride

Autor: Bogomilov, M., Tsenov, R., Vankova-Kirilova, G., Song, Y. P., Tang, J. Y., Li, Z. H., Bertoni, R., Bonesini, M., Chignoli, F., Mazza, R., Palladino, V., de Bari, A., Orestano, D., Tortora, L., Kuno, Y., Sakamoto, H., Sato, A., Ishimoto, S., Chung, M., Sung, C. K., Filthaut, F., Fedorov, M., Jokovic, D., Maletic, D., Savic, M., Jovancevic, N., Nikolov, J., Vretenar, M., Ramberger, S., Asfandiyarov, R., Blondel, A., Drielsma, F., Karadzhov, Y., Charnley, G., Collomb, N., Dumbell, K., Gallagher, A., Grant, A., Griffiths, S., Hartnett, T., Martlew, B., Moss, A., Muir, A., Mullacrane, I., Oates, A., Owens, P., Stokes, G., Warburton, P., White, C., Adams, D., Bayliss, V., Boehm, J., Bradshaw, T. W., Brown, C., Courthold, M., Govans, J., Hills, M., Lagrange, J. -B., Macwaters, C., Nichols, A., Preece, R., Ricciardi, S., Rogers, C., Stanley, T., Tarrant, J., Tucker, M., Watson, S., Wilson, A., Bayes, R., Nugent, J. C., Soler, F. J. P., Gamet, R., Cooke, P., Blackmore, V. J., Colling, D., Dobbs, A., Dornan, P., Franchini, P., Hunt, C., Jurj, P. B., Kurup, A., Long, K., Martyniak, J., Middleton, S., Pasternak, J., Uchida, M. A., Cobb, J. H., Booth, C. N., Hodgson, P., Langlands, J., Overton, E., Pec, V., Smith, P. J., Wilbur, S., Chatzitheodoridis, G. T., Dick, A. J., Ronald, K., Whyte, C. G., Young, A. R., Boyd, S., Greis, J. R., Lord, T., Pidcott, C., Taylor, I., Ellis, M., Gardener, R. B. S., Kyberd, P., Nebrensky, J. J., Palmer, M., Witte, H., Adey, D., Bross, A. D., Bowring, D., Hanlet, P., Liu, A., Neuffer, D., Popovic, M., Rubinov, P., DeMello, A., Gourlay, S., Lambert, A., Li, D., Luo, T., Prestemon, S., Virostek, S., Freemire, B., Kaplan, D. M., Mohayai, T. A., Rajaram, D., Snopok, P., Torun, Y., Cremaldi, L. M., Sanders, D. A., Summers, D. J., Coney, L. R., Hanson, G. G., Heidt, C.

Multiple Coulomb Scattering (MCS) is a well known phenomenon occurring when charged particles traverse materials. Measurements of muons traversing low $Z$ materials made in the MuScat experiment showed that theoretical models and simulation codes, su

Externí odkaz: http://arxiv.org/abs/2209.10251