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Title: Differential cross section of γ n K + Σ - on bound neutrons with incident photons from 1.1 to 3.6 GeV

Abstract

Differential cross sections of the reaction γd → K+Σ(p) have been measured with the CLAS detector at Jefferson Lab using incident photons with energies between 1.1 and 3.6 GeV. This is the first complete set of strangeness photoproduction data on the neutron covering a broad angular range. At energies close to threshold and up to Eγ ~ 1.8 GeV, the shape of the angular distribution is suggestive of the presence of s -channel production mechanisms. For Eγ > 1.8 GeV, a clear forward peak appears and becomes more prominent as the photon energy increases, suggesting contributions from t-channel production mechanisms. Furthermore, these data can be used to constrain future analysis of this reaction.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
986376
Report Number(s):
JLAB-PHY-09-1101; DOE/OR/23177-1130; arXiv:0912.4833
Journal ID: ISSN 0370-2693; PII: S0370269310004788; TRN: US1006340
Grant/Contract Number:  
AC05-06OR23177
Resource Type:
Accepted Manuscript
Journal Name:
Physics Letters B
Additional Journal Information:
Journal Volume: 688; Journal Issue: 4-5; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ACCURACY; DIFFERENTIAL CROSS SECTIONS; ENERGY RANGE; NEUTRONS; PHOTONS; PHOTOPRODUCTION; POLARIZATION; PRODUCTION; photoproduction; hyperon; strangeness; missing resonances; nucleon resonance

Citation Formats

Pereira, S. Anefalos, Mirazita, M., Rossi, P., De Sanctis, E., Niculescu, G., Niculescu, I., Stepanyan, S., Adhikari, K. P., Aghasyan, M., Anghinolfi, M., Baghdasaryan, H., Ball, J., Battaglieri, M., Berman, B. L., Biselli, A. S., Bookwalter, C., Branford, D., Briscoe, W. J., Brooks, W. K., Burkert, V. D., Careccia, S. L., Carman, D. S., Cole, P. L., Collins, P., Crede, V., D'Angelo, A., Daniel, A., Dashyan, N., De Vita, R., Deur, A., Dey, B., Dhamija, S., Dickson, R., Djalali, C., Doughty, D., Dugger, M., Dupre, R., El Alaoui, A., Eugenio, P., Fegan, S., Forest, T. A., Gabrielyan, M. Y., Gavalian, G., Gilfoyle, G. P., Giovanetti, K. L., Girod, F. X., Goetz, J. T., Gohn, W., Gothe, R. W., Griffioen, K. A., Guidal, M., Guler, N., Guo, L., Hakobyan, H., Hanretty, C., Hassall, N., Hicks, K., Holtrop, M., Ilieva, Y., Ireland, D. G., Ishkhanov, B. S., Jawalkar, S. S., Jo, H. S., Joo, K., Keller, D., Khandaker, M., Khetarpal, P., Kim, W., Klein, F. J., Kubarovsky, V., Kuleshov, S. V., Kuznetsov, V., Livingston, K., Mayer, M., McCracken, M. E., McKinnon, B., Meyer, C. A., Mikhailov, K., Mineeva, T., Mokeev, V., Moreno, B., Moriya, K., Morrison, B., Moutarde, H., Munevar, E., Nadel-Turonski, P., Niccolai, S., Osipenko, M., Ostrovidov, A. I., Park, K., Park, S., Pasyuk, E., Perrin, Y., Pisano, S., Pogorelko, O., Pozdniakov, S., Price, J. W., Procureur, S., Prok, Y., Protopopescu, D., Raue, B. A., Ricco, G., Ripani, M., Ritchie, B. G., Rosner, G., Sabatié, F., Saini, M. S., Salamanca, J., Salgado, C., Schumacher, R. A., Seder, E., Seraydaryan, H., Sharabian, Y. G., Sober, D. I., Sokhan, D., Stepanyan, S. S., Stoler, P., Strakovsky, I. I., Strauch, S., Tedeschi, D. J., Tkachenko, S., Vernarsky, B., Vineyard, M. F., Voutier, E., Watts, D. P., Weygand, D. P., Wood, M. H., Zana, L., Zhang, J., and Zhao, B. Differential cross section of γn→K+Σ- on bound neutrons with incident photons from 1.1 to 3.6 GeV. United States: N. p., 2010. Web. doi:10.1016/j.physletb.2010.04.028.
Pereira, S. Anefalos, Mirazita, M., Rossi, P., De Sanctis, E., Niculescu, G., Niculescu, I., Stepanyan, S., Adhikari, K. P., Aghasyan, M., Anghinolfi, M., Baghdasaryan, H., Ball, J., Battaglieri, M., Berman, B. L., Biselli, A. S., Bookwalter, C., Branford, D., Briscoe, W. J., Brooks, W. K., Burkert, V. D., Careccia, S. L., Carman, D. S., Cole, P. L., Collins, P., Crede, V., D'Angelo, A., Daniel, A., Dashyan, N., De Vita, R., Deur, A., Dey, B., Dhamija, S., Dickson, R., Djalali, C., Doughty, D., Dugger, M., Dupre, R., El Alaoui, A., Eugenio, P., Fegan, S., Forest, T. A., Gabrielyan, M. Y., Gavalian, G., Gilfoyle, G. P., Giovanetti, K. L., Girod, F. X., Goetz, J. T., Gohn, W., Gothe, R. W., Griffioen, K. A., Guidal, M., Guler, N., Guo, L., Hakobyan, H., Hanretty, C., Hassall, N., Hicks, K., Holtrop, M., Ilieva, Y., Ireland, D. G., Ishkhanov, B. S., Jawalkar, S. S., Jo, H. S., Joo, K., Keller, D., Khandaker, M., Khetarpal, P., Kim, W., Klein, F. J., Kubarovsky, V., Kuleshov, S. V., Kuznetsov, V., Livingston, K., Mayer, M., McCracken, M. E., McKinnon, B., Meyer, C. A., Mikhailov, K., Mineeva, T., Mokeev, V., Moreno, B., Moriya, K., Morrison, B., Moutarde, H., Munevar, E., Nadel-Turonski, P., Niccolai, S., Osipenko, M., Ostrovidov, A. I., Park, K., Park, S., Pasyuk, E., Perrin, Y., Pisano, S., Pogorelko, O., Pozdniakov, S., Price, J. W., Procureur, S., Prok, Y., Protopopescu, D., Raue, B. A., Ricco, G., Ripani, M., Ritchie, B. G., Rosner, G., Sabatié, F., Saini, M. S., Salamanca, J., Salgado, C., Schumacher, R. A., Seder, E., Seraydaryan, H., Sharabian, Y. G., Sober, D. I., Sokhan, D., Stepanyan, S. S., Stoler, P., Strakovsky, I. I., Strauch, S., Tedeschi, D. J., Tkachenko, S., Vernarsky, B., Vineyard, M. F., Voutier, E., Watts, D. P., Weygand, D. P., Wood, M. H., Zana, L., Zhang, J., & Zhao, B. Differential cross section of γn→K+Σ- on bound neutrons with incident photons from 1.1 to 3.6 GeV. United States. https://doi.org/10.1016/j.physletb.2010.04.028
Pereira, S. Anefalos, Mirazita, M., Rossi, P., De Sanctis, E., Niculescu, G., Niculescu, I., Stepanyan, S., Adhikari, K. P., Aghasyan, M., Anghinolfi, M., Baghdasaryan, H., Ball, J., Battaglieri, M., Berman, B. L., Biselli, A. S., Bookwalter, C., Branford, D., Briscoe, W. J., Brooks, W. K., Burkert, V. D., Careccia, S. L., Carman, D. S., Cole, P. L., Collins, P., Crede, V., D'Angelo, A., Daniel, A., Dashyan, N., De Vita, R., Deur, A., Dey, B., Dhamija, S., Dickson, R., Djalali, C., Doughty, D., Dugger, M., Dupre, R., El Alaoui, A., Eugenio, P., Fegan, S., Forest, T. A., Gabrielyan, M. Y., Gavalian, G., Gilfoyle, G. P., Giovanetti, K. L., Girod, F. X., Goetz, J. T., Gohn, W., Gothe, R. W., Griffioen, K. A., Guidal, M., Guler, N., Guo, L., Hakobyan, H., Hanretty, C., Hassall, N., Hicks, K., Holtrop, M., Ilieva, Y., Ireland, D. G., Ishkhanov, B. S., Jawalkar, S. S., Jo, H. S., Joo, K., Keller, D., Khandaker, M., Khetarpal, P., Kim, W., Klein, F. J., Kubarovsky, V., Kuleshov, S. V., Kuznetsov, V., Livingston, K., Mayer, M., McCracken, M. E., McKinnon, B., Meyer, C. A., Mikhailov, K., Mineeva, T., Mokeev, V., Moreno, B., Moriya, K., Morrison, B., Moutarde, H., Munevar, E., Nadel-Turonski, P., Niccolai, S., Osipenko, M., Ostrovidov, A. I., Park, K., Park, S., Pasyuk, E., Perrin, Y., Pisano, S., Pogorelko, O., Pozdniakov, S., Price, J. W., Procureur, S., Prok, Y., Protopopescu, D., Raue, B. A., Ricco, G., Ripani, M., Ritchie, B. G., Rosner, G., Sabatié, F., Saini, M. S., Salamanca, J., Salgado, C., Schumacher, R. A., Seder, E., Seraydaryan, H., Sharabian, Y. G., Sober, D. I., Sokhan, D., Stepanyan, S. S., Stoler, P., Strakovsky, I. I., Strauch, S., Tedeschi, D. J., Tkachenko, S., Vernarsky, B., Vineyard, M. F., Voutier, E., Watts, D. P., Weygand, D. P., Wood, M. H., Zana, L., Zhang, J., and Zhao, B. Sat . "Differential cross section of γn→K+Σ- on bound neutrons with incident photons from 1.1 to 3.6 GeV". United States. https://doi.org/10.1016/j.physletb.2010.04.028. https://www.osti.gov/servlets/purl/986376.
@article{osti_986376,
title = {Differential cross section of γn→K+Σ- on bound neutrons with incident photons from 1.1 to 3.6 GeV},
author = {Pereira, S. Anefalos and Mirazita, M. and Rossi, P. and De Sanctis, E. and Niculescu, G. and Niculescu, I. and Stepanyan, S. and Adhikari, K. P. and Aghasyan, M. and Anghinolfi, M. and Baghdasaryan, H. and Ball, J. and Battaglieri, M. and Berman, B. L. and Biselli, A. S. and Bookwalter, C. and Branford, D. and Briscoe, W. J. and Brooks, W. K. and Burkert, V. D. and Careccia, S. L. and Carman, D. S. and Cole, P. L. and Collins, P. and Crede, V. and D'Angelo, A. and Daniel, A. and Dashyan, N. and De Vita, R. and Deur, A. and Dey, B. and Dhamija, S. and Dickson, R. and Djalali, C. and Doughty, D. and Dugger, M. and Dupre, R. and El Alaoui, A. and Eugenio, P. and Fegan, S. and Forest, T. A. and Gabrielyan, M. Y. and Gavalian, G. and Gilfoyle, G. P. and Giovanetti, K. L. and Girod, F. X. and Goetz, J. T. and Gohn, W. and Gothe, R. W. and Griffioen, K. A. and Guidal, M. and Guler, N. and Guo, L. and Hakobyan, H. and Hanretty, C. and Hassall, N. and Hicks, K. and Holtrop, M. and Ilieva, Y. and Ireland, D. G. and Ishkhanov, B. S. and Jawalkar, S. S. and Jo, H. S. and Joo, K. and Keller, D. and Khandaker, M. and Khetarpal, P. and Kim, W. and Klein, F. J. and Kubarovsky, V. and Kuleshov, S. V. and Kuznetsov, V. and Livingston, K. and Mayer, M. and McCracken, M. E. and McKinnon, B. and Meyer, C. A. and Mikhailov, K. and Mineeva, T. and Mokeev, V. and Moreno, B. and Moriya, K. and Morrison, B. and Moutarde, H. and Munevar, E. and Nadel-Turonski, P. and Niccolai, S. and Osipenko, M. and Ostrovidov, A. I. and Park, K. and Park, S. and Pasyuk, E. and Perrin, Y. and Pisano, S. and Pogorelko, O. and Pozdniakov, S. and Price, J. W. and Procureur, S. and Prok, Y. and Protopopescu, D. and Raue, B. A. and Ricco, G. and Ripani, M. and Ritchie, B. G. and Rosner, G. and Sabatié, F. and Saini, M. S. and Salamanca, J. and Salgado, C. and Schumacher, R. A. and Seder, E. and Seraydaryan, H. and Sharabian, Y. G. and Sober, D. I. and Sokhan, D. and Stepanyan, S. S. and Stoler, P. and Strakovsky, I. I. and Strauch, S. and Tedeschi, D. J. and Tkachenko, S. and Vernarsky, B. and Vineyard, M. F. and Voutier, E. and Watts, D. P. and Weygand, D. P. and Wood, M. H. and Zana, L. and Zhang, J. and Zhao, B.},
abstractNote = {Differential cross sections of the reaction γd → K+Σ–(p) have been measured with the CLAS detector at Jefferson Lab using incident photons with energies between 1.1 and 3.6 GeV. This is the first complete set of strangeness photoproduction data on the neutron covering a broad angular range. At energies close to threshold and up to Eγ ~ 1.8 GeV, the shape of the angular distribution is suggestive of the presence of s -channel production mechanisms. For Eγ > 1.8 GeV, a clear forward peak appears and becomes more prominent as the photon energy increases, suggesting contributions from t-channel production mechanisms. Furthermore, these data can be used to constrain future analysis of this reaction.},
doi = {10.1016/j.physletb.2010.04.028},
journal = {Physics Letters B},
number = 4-5,
volume = 688,
place = {United States},
year = {Sat May 01 00:00:00 EDT 2010},
month = {Sat May 01 00:00:00 EDT 2010}
}

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Cited by: 25 works
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Figures / Tables:

Fig. 1 Fig. 1: Missing-mass distribution of the γ d → K +πnX reaction for photon energy in the bin 2.0–2.1 GeV. The solid line is the total fit to the distribution. The dotdashed line represents the proton distribution, the dashed line is the contribution of the events with an additional π0more » as explained in the text, and the dotted line is the background contribution. The two vertical lines represent a 3σ cut.« less

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