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Storage Ring to Search for Electric Dipole Moments of Charged Particles -- Feasibility Study

Autor: Abusaif, F., Aggarwal, A., Aksentev, A., Alberdi-Esuain, B., Andres, A., Atanasov, A., Barion, L., Basile, S., Berz, M., Böhme, C., Böker, J., Borburgh, J., Canale, N., Carli, C., Ciepał, I., Ciullo, G., Contalbrigo, M., De Conto, J. -M., Dymov, S., Felden, O., Gaisser, M., Gebel, R., Giese, N., Gooding, J., Grigoryev, K., Grzonka, D., Tahar, M. Haj, Hahnraths, T., Heberling, D., Hejny, V., Hetzel, J., Hölscher, D., Javakhishvili, O., Jorat, L., Kacharava, A., Kamerdzhiev, V., Karanth, S., Keshelashvili, I., Koop, I., Kulikov, A., Laihem, K., Lamont, M., Lehrach, A., Lenisa, P., Lomidze, I., Lomidze, N., Lorentz, B., Macharashvili, G., Magiera, A., Makino, K., Martin, S., Mchedlishvili, D., Meißner, U. -G., Metreveli, Z., Michaud, J., Müller, F., Nass, A., Natour, G., Nikolaev, N., Nogga, A., Okropiridze, D., Pesce, A., Poncza, V., Prasuhn, D., Pretz, J., Rathmann, F., Ritman, J., Rosenthal, M., Saleev, A., Schott, M., Sefzick, T., Senichev, Y., Shankar, R., Shergelashvili, D., Shmakova, V., Siddique, S., Silenko, A., Simon, M., Slim, J., Soltner, H., Stahl, A., Stassen, R., Stephenson, E., Straatmann, H., Ströher, H., Tabidze, M., Tagliente, G., Talman, R., Uzikov, Y., Valdau, Y., Valetov, E., Vilella, E., Vitz, M., Vossebeld, J., Wagner, T., Weidemann, C., Wirzba, A., Wrońska, A., Wüstner, P., Zupranski, P., Żurek, M.

The proposed method exploits charged particles confined as a storage ring beam (proton, deuteron, possibly $^3$He) to search for an intrinsic electric dipole moment (EDM) aligned along the particle spin axis. Statistical sensitivities could approach

Externí odkaz: http://arxiv.org/abs/1912.07881

Search for eta mesic 3He with the WASA-at-COSY facility in the pd-> 3He 2gamma and pd-> 3He 6gamma reactions

Autor: Adlarson, P., Augustyniak, W., Bardan, W., Bashkanov, M., Bass, S. D., Berłowski, M., Bondar, A., Büscher, M., Calén, H., Ciepał, I., Clement, H., Czerwiński, E., Engels, R., Erven, A., Erven, W., Eyrich, W., Fedorets, P., Föhl, K., Fransson, K., Goldenbaum, F., Goswami, A., Grigoryev, K., Heijkenskjöld, L., Hejny, V., Hirenzaki, S., Jarczyk, L., Johansson, T., Kamys, B., Kelkar, N. G., Kemmerling, G., Khreptak, A., Kirillov, D. A., Kistryn, S., Kleines, H., Kłos, B., Krzemień, W., Kulessa, P., Kupść, A., Lalwani, K., Lersch, D., Lorentz, B., Magiera, A., Maier, R., Marciniewski, P., Mariański, B., Morsch, H. P., Moskal, P., Ohm, H., Parol, W., del Rio, E. Perez, Piskunov, N. M., Prasuhn, D., Pszczel, D., Pysz, K., Ritman, J., Roy, A., Rundel, O., Sawant, S., Schadmand, S., Schätti--Ozerianska, I., Sefzick, T., Serdyuk, V., Shwartz, B., Skorodko, T., Skurzok, M., Smyrski, J., Sopov, V., Stassen, R., Stepaniak, J., Stephan, E., Sterzenbach, G., Stockhorst, H., Ströher, H., Szczurek, A., Trzciński, A., Wolke, M., Wrońska, A., Wüstner, P., Yamamoto, A., Zabierowski, J., Zieliński, M. J., Złomańczuk, J., Żuprański, P., Żurek, M.

We report on the experimental search for the bound state of an $\eta$ meson and $^{3}\hspace{-0.03cm}\mbox{He}$ nucleus performed using the WASA-at-COSY detector setup. In order to search for the $\eta$-mesic nucleus decay, the $pd\rightarrow$ $^{3}\

Externí odkaz: http://arxiv.org/abs/1909.10780

Longitudinal double-spin asymmetries in semi-inclusive deep-inelastic scattering of electrons and positrons by protons and deuterons

Autor: HERMES Collaboration, Airapetian, A., Akopov, N., Akopov, Z., Aschenauer, E. C., Augustyniak, W., Avakian, R., Avetissian, A., Belostotski, S., Blok, H. P., Borissov, A., Bryzgalov, V., Capitani, G. P., Cisbani, E., Ciullo, G., Contalbrigo, M., Dalpiaz, P. F., Deconinck, W., De Leo, R., De Nardo, L., De Sanctis, E., Diefenthaler, M., Di Nezza, P., Düren, M., Elbakian, G., Ellinghaus, F., Fantoni, A., Felawka, L., Frullani, S., Gavrilov, G., Gharibyan, V., Giordano, F., Gliske, S., Hasch, D., Holler, Y., Ivanilov, A., Jackson, H. E., Joosten, S., Kaiser, R., Karyan, G., Keri, T., Kinney, E., Kisselev, A., Korotkov, V., Kozlov, V., Kravchenko, P., Krivokhijine, V. G., Lagamba, L., Lapikás, L., Lehmann, I., Lorenzon, W., Ma, B. -Q., Mahon, D., Manaenkov, S. I., Mao, Y., Marianski, B., Marukyan, H., Miyachi, Y., Movsisyan, A., Muccifora, V., Mussgiller, A., Naryshkin, Y., Nass, A., Nazaryan, G., Nowak, W. -D., Pappalardo, L. L., Perez-Benito, R., Petrosyan, A., Reimer, P. E., Reolon, A. R., Riedl, C., Rith, K., Rosner, G., Rostomyan, A., Rubin, J., Ryckbosch, D., Salomatin, Y., Schnell, G., Seitz, B., Shibata, T. -A., Statera, M., Steffens, E., Steijger, J. J. M., Taroian, S., Terkulov, A., Truty, R., Trzcinski, A., Tytgat, M., van der Nat, P. B., Van Haarlem, Y., Van Hulse, C., Veretennikov, D., Vikhrov, V., Vilardi, I., Vogel, C., Wang, S., Yaschenko, S., Zihlmann, B., Zupranski, P.

Publikováno v: Phys. Rev. D 99, 112001 (2019)

A comprehensive collection of results on longitudinal double-spin asymmetries is presented for charged pions and kaons produced in semi-inclusive deep-inelastic scattering of electrons and positrons on the proton and deuteron, based on the full HERME

Externí odkaz: http://arxiv.org/abs/1810.07054

On the Production of an Isotensor Dibaryon in the $pp \to pp\pi^+\pi^-$ Reaction

Autor: Adlarson, P., Augustyniak, W., Bardan, W., Bashkanov, M., Bergmann, F. S., Berłowski, M., Bondar, A., Büscher, M., Calén, H., Ciepał, I., Clement, H., Czerwiński, E., Demmich, K., Engels, R., Erven, A., Erven, W., Eyrich, W., Fedorets, P., Föhl, K., Fransson, K., Goldenbaum, F., Goswami, A., Grigoryev, K., Heijkenskjöld, L., Hejny, V., Hüsken, N., Jarczyk, L., Johansson, T., Kamys, B., Kemmerling, G., Khoukaz, A., Khreptak, O., Kirillov, D. A., Kistryn, S., Kleines, H., Kłos, B., Krzemień, W., Kulessa, P., Kupść, A., Lalwani, K., Lersch, D., Lorentz, B., Magiera, A., Marciniewski, P., Mariański, B., Morsch, H. --P., Moskal, P., Ohm, H., Parol, W., del Rio, E. Perez, Piskunov, N. M., Prasuhn, D., Pszczel, D., Pysz, K., Ritman, J., Roy, A., Rudy, Z., Rundel, O., Sawant, S., Schadmand, S., Schätti--Ozerianska, I., Sefzick, T., Serdyuk, V., Shwartz, B., Skorodko, T., Skurzok, M., Smyrski, J., Sopov, V., Stassen, R., Stepaniak, J., Stephan, E., Sterzenbach, G., Stockhorst, H., Ströher, H., Szczurek, A., Trzciński, A., Wolke, M., Wrońska, A., Wüstner, P., Yamamoto, A., Zabierowski, J., Zieliński, M. J., Żuprański, P., Żurek, M.

Publikováno v: Phys. Rev. C 99, 025201 (2019)

Exclusive measurements of the quasi-free $pp \to pp\pi^+\pi^-$ reaction have been performed by means of $pd$ collisions at $T_p$ = 1.2 GeV using the WASA detector setup at COSY. Total and differential cross sections have been obtained covering the en

Externí odkaz: http://arxiv.org/abs/1803.03192