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Title: Beam-spin asymmetry Σ for Σ– hyperon photoproduction off the neutron

Abstract

We report a new measurement of the beam-spin asymmetry, Σ, for the γ→n→K+Σ- reaction using quasi-free neutrons in a liquid-deuterium target. The new dataset includes data at previously unmeasured photon energy and angular ranges, thereby providing new constraints on partial wave analyses used to extract properties of the excited nucleon states. The experimental data were obtained using the CEBAF Large Acceptance Spectrometer (CLAS), housed in Hall B of the Thomas Jefferson National Accelerator Facility (JLab). The CLAS detector measured reaction products from a liquid-deuterium target produced by an energy-tagged, linearly polarised photon beam with energies in the range 1.1 to 2.3 GeV. Predictions from an isobar model indicate strong sensitivity to N(1720)3/2+, Δ(1900)1/2-, and N(1895)1/2-, which corroborates results from a recent combined analysis of all KΣ channels. When our data are incorporated in the fits of partial-wave analyses, one observes significant changes in γ-n couplings of resonances which have small branching ratios to the πN channel.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Mississippi State Univ., Mississippi State, MS (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); Science and Technology Facilities Council (STFC) (United Kingdom); Czech Science Foundation; National Science Foundation (NSF); Italian Istituto Nazionale di Fisica Nucleare; Chilean Comisión Nacional de Investigación Científica y Tecnológica (CONICYT); French Centre National de la Recherche Scientifique; French Commissariat à l'Énergie Atomique; National Research Foundation of Korea (NRF)
Contributing Org.:
CLAS Collaboration
OSTI Identifier:
1860880
Alternate Identifier(s):
OSTI ID: 1882392; OSTI ID: 1886615
Report Number(s):
JLAB-PHY-21-3456; DOE/OR/23177-5275; arXiv:2106.13957
Journal ID: ISSN 0370-2693; TRN: US2305449
Grant/Contract Number:  
AC05-06OR23177; ST/P004385/2; ST/T002077/1; ST/L00478X/2; 19-19640S; FG02-07ER41528; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Physics Letters. B
Additional Journal Information:
Journal Volume: 827; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Zachariou, N., Munevar, E., Berman, B. L., Bydžovský, P., Cieplý, A., Feldman, G., Ilieva, Y., Nadel-Turonski, P., Skoupil, D., Sarantsev, A. V., Watts, D. P., Amaryan, M. J., Angelini, G., Armstrong, W. R., Atac, H., Avakian, H., Barion, L., Bashkanov, M., Battaglieri, M., Bedlinskiy, I., Benmokhtar, F., Bianconi, A., Biondo, L., Biselli, A. S., Bondi, M., Bossù, F., Boiarinov, S., Briscoe, W. J., Brooks, W. K., Bulumulla, D., Burkert, V. D., Carman, D. S., Carvajal, J. C., Celentano, A., Chatagnon, P., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., D'Angelo, A., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Djalali, C., Dupre, R., Dugger, M., Egiyan, H., Ehrhart, M., El Alaoui, A., El Fassi, L., Eugenio, P., Fedotov, G., Fegan, S., Filippi, A., Fradi, A., Gavalian, G., Gilfoyle, G. P., Girod, F. X., Gleason, C., Golubenko, A. A., Gothe, R. W., Griffioen, K. A., Guidal, M., Hafidi, K., Hakobyan, H., Hattawy, M., Hayward, T. B., Heddle, D., Hicks, K., Hobart, A., Holtrop, M., Ireland, D. G., Isupov, E. L., Jenkins, D., Jo, H. S., Joo, K., Keller, D., Khanal, A., Khandaker, M., Kim, A., Klein, F. J., Kripko, A., Kubarovsky, V., Lanza, L., Leali, M., Livingston, K., MacGregor, I. J.D., Marchand, D., Markov, N., Marsicano, L., Mascagna, V., McKinnon, B., Migliorati, S., Mineeva, T., Mirazita, M., Mokeev, V., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Niccolai, S., Niculescu, G., O'Connell, T. R., Osipenko, M., Ostrovidov, A. I., Pandey, P., Paolone, M., Pappalardo, L. L., Paremuzyan, R., Pasyuk, E., Phelps, W., Pogorelko, O., Price, J. W., Prok, Y., Raue, B. A., Ripani, M., Ritman, J., Rizzo, A., Rosner, G., Rowley, J., Sabatie, F., Salgado, C., Schmidt, A., Schumacher, R. A., Sharabian, Y. G., Shirokov, E. V., Shrestha, U., Sokhan, D., Soto, O., Sparveris, N., Stepanyan, S., Stoler, P., Strakovsky, I. I., Strauch, S., Tyson, R., Ungaro, M., Venturelli, L., Voskanyan, H., Vossen, A., Voutier, E., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Zhang, J., and Zhao, Z. W. Beam-spin asymmetry Σ for Σ– hyperon photoproduction off the neutron. United States: N. p., 2022. Web. doi:10.1016/j.physletb.2022.136985.
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Zachariou, N., Munevar, E., Berman, B. L., Bydžovský, P., Cieplý, A., Feldman, G., Ilieva, Y., Nadel-Turonski, P., Skoupil, D., Sarantsev, A. V., Watts, D. P., Amaryan, M. J., Angelini, G., Armstrong, W. R., Atac, H., Avakian, H., Barion, L., Bashkanov, M., Battaglieri, M., Bedlinskiy, I., Benmokhtar, F., Bianconi, A., Biondo, L., Biselli, A. S., Bondi, M., Bossù, F., Boiarinov, S., Briscoe, W. J., Brooks, W. K., Bulumulla, D., Burkert, V. D., Carman, D. S., Carvajal, J. C., Celentano, A., Chatagnon, P., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., D'Angelo, A., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Djalali, C., Dupre, R., Dugger, M., Egiyan, H., Ehrhart, M., El Alaoui, A., El Fassi, L., Eugenio, P., Fedotov, G., Fegan, S., Filippi, A., Fradi, A., Gavalian, G., Gilfoyle, G. P., Girod, F. X., Gleason, C., Golubenko, A. A., Gothe, R. W., Griffioen, K. A., Guidal, M., Hafidi, K., Hakobyan, H., Hattawy, M., Hayward, T. B., Heddle, D., Hicks, K., Hobart, A., Holtrop, M., Ireland, D. G., Isupov, E. L., Jenkins, D., Jo, H. S., Joo, K., Keller, D., Khanal, A., Khandaker, M., Kim, A., Klein, F. J., Kripko, A., Kubarovsky, V., Lanza, L., Leali, M., Livingston, K., MacGregor, I. J.D., Marchand, D., Markov, N., Marsicano, L., Mascagna, V., McKinnon, B., Migliorati, S., Mineeva, T., Mirazita, M., Mokeev, V., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Niccolai, S., Niculescu, G., O'Connell, T. R., Osipenko, M., Ostrovidov, A. I., Pandey, P., Paolone, M., Pappalardo, L. L., Paremuzyan, R., Pasyuk, E., Phelps, W., Pogorelko, O., Price, J. W., Prok, Y., Raue, B. A., Ripani, M., Ritman, J., Rizzo, A., Rosner, G., Rowley, J., Sabatie, F., Salgado, C., Schmidt, A., Schumacher, R. A., Sharabian, Y. G., Shirokov, E. V., Shrestha, U., Sokhan, D., Soto, O., Sparveris, N., Stepanyan, S., Stoler, P., Strakovsky, I. I., Strauch, S., Tyson, R., Ungaro, M., Venturelli, L., Voskanyan, H., Vossen, A., Voutier, E., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Zhang, J., & Zhao, Z. W. Beam-spin asymmetry Σ for Σ– hyperon photoproduction off the neutron. United States. https://doi.org/10.1016/j.physletb.2022.136985
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Zachariou, N., Munevar, E., Berman, B. L., Bydžovský, P., Cieplý, A., Feldman, G., Ilieva, Y., Nadel-Turonski, P., Skoupil, D., Sarantsev, A. V., Watts, D. P., Amaryan, M. J., Angelini, G., Armstrong, W. R., Atac, H., Avakian, H., Barion, L., Bashkanov, M., Battaglieri, M., Bedlinskiy, I., Benmokhtar, F., Bianconi, A., Biondo, L., Biselli, A. S., Bondi, M., Bossù, F., Boiarinov, S., Briscoe, W. J., Brooks, W. K., Bulumulla, D., Burkert, V. D., Carman, D. S., Carvajal, J. C., Celentano, A., Chatagnon, P., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., D'Angelo, A., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Djalali, C., Dupre, R., Dugger, M., Egiyan, H., Ehrhart, M., El Alaoui, A., El Fassi, L., Eugenio, P., Fedotov, G., Fegan, S., Filippi, A., Fradi, A., Gavalian, G., Gilfoyle, G. P., Girod, F. X., Gleason, C., Golubenko, A. A., Gothe, R. W., Griffioen, K. A., Guidal, M., Hafidi, K., Hakobyan, H., Hattawy, M., Hayward, T. B., Heddle, D., Hicks, K., Hobart, A., Holtrop, M., Ireland, D. G., Isupov, E. L., Jenkins, D., Jo, H. S., Joo, K., Keller, D., Khanal, A., Khandaker, M., Kim, A., Klein, F. J., Kripko, A., Kubarovsky, V., Lanza, L., Leali, M., Livingston, K., MacGregor, I. J.D., Marchand, D., Markov, N., Marsicano, L., Mascagna, V., McKinnon, B., Migliorati, S., Mineeva, T., Mirazita, M., Mokeev, V., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Niccolai, S., Niculescu, G., O'Connell, T. R., Osipenko, M., Ostrovidov, A. I., Pandey, P., Paolone, M., Pappalardo, L. L., Paremuzyan, R., Pasyuk, E., Phelps, W., Pogorelko, O., Price, J. W., Prok, Y., Raue, B. A., Ripani, M., Ritman, J., Rizzo, A., Rosner, G., Rowley, J., Sabatie, F., Salgado, C., Schmidt, A., Schumacher, R. A., Sharabian, Y. G., Shirokov, E. V., Shrestha, U., Sokhan, D., Soto, O., Sparveris, N., Stepanyan, S., Stoler, P., Strakovsky, I. I., Strauch, S., Tyson, R., Ungaro, M., Venturelli, L., Voskanyan, H., Vossen, A., Voutier, E., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Zhang, J., and Zhao, Z. W. Mon . "Beam-spin asymmetry Σ for Σ– hyperon photoproduction off the neutron". United States. https://doi.org/10.1016/j.physletb.2022.136985. https://www.osti.gov/servlets/purl/1860880.
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@article{osti_1860880,
title = {Beam-spin asymmetry Σ for Σ– hyperon photoproduction off the neutron},
author = {Zachariou, N. and Munevar, E. and Berman, B. L. and Bydžovský, P. and Cieplý, A. and Feldman, G. and Ilieva, Y. and Nadel-Turonski, P. and Skoupil, D. and Sarantsev, A. V. and Watts, D. P. and Amaryan, M. J. and Angelini, G. and Armstrong, W. R. and Atac, H. and Avakian, H. and Barion, L. and Bashkanov, M. and Battaglieri, M. and Bedlinskiy, I. and Benmokhtar, F. and Bianconi, A. and Biondo, L. and Biselli, A. S. and Bondi, M. and Bossù, F. and Boiarinov, S. and Briscoe, W. J. and Brooks, W. K. and Bulumulla, D. and Burkert, V. D. and Carman, D. S. and Carvajal, J. C. and Celentano, A. and Chatagnon, P. and Chetry, T. and Ciullo, G. and Clark, L. and Cole, P. L. and Contalbrigo, M. and Costantini, G. and Crede, V. and D'Angelo, A. and Dashyan, N. and De Vita, R. and Defurne, M. and Deur, A. and Diehl, S. and Djalali, C. and Dupre, R. and Dugger, M. and Egiyan, H. and Ehrhart, M. and El Alaoui, A. and El Fassi, L. and Eugenio, P. and Fedotov, G. and Fegan, S. and Filippi, A. and Fradi, A. and Gavalian, G. and Gilfoyle, G. P. and Girod, F. X. and Gleason, C. and Golubenko, A. A. and Gothe, R. W. and Griffioen, K. A. and Guidal, M. and Hafidi, K. and Hakobyan, H. and Hattawy, M. and Hayward, T. B. and Heddle, D. and Hicks, K. and Hobart, A. and Holtrop, M. and Ireland, D. G. and Isupov, E. L. and Jenkins, D. and Jo, H. S. and Joo, K. and Keller, D. and Khanal, A. and Khandaker, M. and Kim, A. and Klein, F. J. and Kripko, A. and Kubarovsky, V. and Lanza, L. and Leali, M. and Livingston, K. and MacGregor, I. J.D. and Marchand, D. and Markov, N. and Marsicano, L. and Mascagna, V. and McKinnon, B. and Migliorati, S. and Mineeva, T. and Mirazita, M. and Mokeev, V. and Munoz Camacho, C. and Nadel-Turonski, P. and Neupane, K. and Niccolai, S. and Niculescu, G. and O'Connell, T. R. and Osipenko, M. and Ostrovidov, A. I. and Pandey, P. and Paolone, M. and Pappalardo, L. L. and Paremuzyan, R. and Pasyuk, E. and Phelps, W. and Pogorelko, O. and Price, J. W. and Prok, Y. and Raue, B. A. and Ripani, M. and Ritman, J. and Rizzo, A. and Rosner, G. and Rowley, J. and Sabatie, F. and Salgado, C. and Schmidt, A. and Schumacher, R. A. and Sharabian, Y. G. and Shirokov, E. V. and Shrestha, U. and Sokhan, D. and Soto, O. and Sparveris, N. and Stepanyan, S. and Stoler, P. and Strakovsky, I. I. and Strauch, S. and Tyson, R. and Ungaro, M. and Venturelli, L. and Voskanyan, H. and Vossen, A. and Voutier, E. and Wei, K. and Wei, X. and Wishart, R. and Wood, M. H. and Yale, B. and Zhang, J. and Zhao, Z. W.},
abstractNote = {We report a new measurement of the beam-spin asymmetry, Σ, for the γ→n→K+Σ- reaction using quasi-free neutrons in a liquid-deuterium target. The new dataset includes data at previously unmeasured photon energy and angular ranges, thereby providing new constraints on partial wave analyses used to extract properties of the excited nucleon states. The experimental data were obtained using the CEBAF Large Acceptance Spectrometer (CLAS), housed in Hall B of the Thomas Jefferson National Accelerator Facility (JLab). The CLAS detector measured reaction products from a liquid-deuterium target produced by an energy-tagged, linearly polarised photon beam with energies in the range 1.1 to 2.3 GeV. Predictions from an isobar model indicate strong sensitivity to N(1720)3/2+, Δ(1900)1/2-, and N(1895)1/2-, which corroborates results from a recent combined analysis of all KΣ channels. When our data are incorporated in the fits of partial-wave analyses, one observes significant changes in γ-n couplings of resonances which have small branching ratios to the πN channel.},
doi = {10.1016/j.physletb.2022.136985},
journal = {Physics Letters. B},
number = ,
volume = 827,
place = {United States},
year = {Mon Mar 07 00:00:00 EST 2022},
month = {Mon Mar 07 00:00:00 EST 2022}
}
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