Beam-recoil transferred polarization in K+Y electroproduction in the nucleon resonance region with CLAS12

Carman, D. S. et al. (2022) Beam-recoil transferred polarization in K+Y electroproduction in the nucleon resonance region with CLAS12. Physical Review C, 105(6), 065201. (doi: 10.1103/PhysRevC.105.065201)

Abstract

Beam-recoil transferred polarizations for the exclusive electroproduction of K+Λ and K+Σ0 final states from an unpolarized proton target have been measured using the CLAS12 spectrometer at Jefferson Laboratory. The measurements at beam energies of 6.535 and 7.546 GeV span the range of four-momentum transfer Q2 from 0.3 to 4.5 GeV2 and invariant energy W from 1.6 to 2.4 GeV, while covering the full center-of-mass angular range of the K+. These new data extend the existing hyperon polarization data from CLAS in a similar kinematic range but from a significantly larger dataset. They represent an important addition to the world data, allowing for better exploration of the reaction mechanism in strangeness production processes, for further understanding of the spectrum and structure of excited nucleon states, and for improved insight into the strong interaction in the regime of nonperturbative dynamics.

• Item Type: Articles
• Additional Information: This work was supported in part by the U.S. Department of Energy, the National Science Foundation (NSF), the Italian Istituto Nazionale di Fisica Nucleare (INFN), the French Centre National de la Recherche Scientifique (CNRS), the French Commissariat pour l’Energie Atomique, the UK Science and Technology Facilities Council, the National Research Foundation (NRF) of Korea, the HelmholtzForschungsakademie Hessen für FAIR (HFHF), the Chilean Agencia Nacional de Investigacion y Desarollo ANID PIA/APOYO AFB180002, and the Skobeltsyn Nuclear Physics Institute and Physics Department at the Lomonosov Moscow State University. The Southeastern Universities Research Association (SURA) operates the Thomas Jefferson National Accelerator Facility for the U.S. Department of Energy under Contract No. DE-AC05-06OR23177.
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Sokhan, Dr Daria and McKinnon, Dr Bryan and Wishart, Robert and Tyson, Mr Richard and Ireland, Professor David and Clark, Ms Louise and Livingston, Dr Kenneth and MacGregor, Professor Douglas and Montgomery, Dr Rachel and Glazier, Dr Derek
• Authors: Carman, D. S., D'Angelo, A., Lanza, L., Mokeev, V. I., Adhikari, K. P., Amaryan, M. J., Armstrong, W. R., Atac, H., Avakian, H., Ayerbe Gayoso, C., Baltzell, N. A., Barion, L., Battaglieri, M., Bedlinskiy, I., Benkel, B., Bianconi, A., Biselli, A. S., Bondi, M., Boiarinov, S., Bossù, F., Briscoe, W. J., Bueltmann, S., Bulumulla, D., Burkert, V. D., Capobianco, R., Carvajal, J. C., Celentano, A., Chatagnon, P., Chesnokov, V., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Djalali, C., Dupre, R., Ehrhart, M., El Alaoui, A., El Fassi, L., Elouadrhiri, L., Fegan, S., Filippi, A., Gavalian, G., Ghandilyan, Y., Gilfoyle, G. P., Girod, F. X., Glazier, D.I., Golubenko, A. A., Gothe, R. W., Gotra, Y., Griffioen, K. A., Hafidi, K., Hakobyan, H., Hattawy, M., Hauenstein, F., Hayward, T. B., Hobart, A., Holtrop, M., Ilieva, Y., Ireland, D.G., Isupov, E. L., Jo, H. S., Joo, K., Keller, D., Khanal, A., Kim, A., Kim, W., Klimenko, V., Kripko, A., Kubarovsky, V., Leali, M., Lee, S., Lenisa, P., Livingston, K., MacGregor, I.J.D., Marchand, D., Marsicano, L., Mascagna, V., Mayer, M., McKinnon, B., Migliorati, S., Mineeva, T., Mirazita, M., Montgomery, R.A., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Newton, J., Niccolai, S., Osipenko, M., Pandey, P., Paolone, M., Pappalardo, L. L., Paremuzyan, R., Pasyuk, E., Paul, S. J., Pilleux, N., Pogorelko, O., Price, J. W., Prok, Y., Raue, B. A., Reed, T., Ripani, M., Ritman, J., Rizzo, A., Rossi, P., Sabatié, F., Salgado, C., Schmidt, A., Sharabian, Y. G., Shirokov, E. V., Shrestha, U., Simmerling, P., Sokhan, D., Sparveris, N., Stepanyan, S., Strakovsky, I. I., Strauch, S., Tyler, N., Tyson, R., Ungaro, M., Vallarino, S., Venturelli, L., Voskanyan, H., Voutier, E., Watts, D. P., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Zachariou, N., Zhang, J., and Ziegler, V.
• College/School: College of Science and Engineering > School of Physics and Astronomy
• Journal Name: Physical Review C
• Publisher: American Physical Society
• ISSN: 2469-9985
• ISSN (Online): 2469-9993
• Copyright Holders: Copyright © 2022 American Physical Society
• First Published: First published in Physical Review C 105(6):065201
• Publisher Policy: Reproduced in accordance with the copyright policy of the publisher