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Stepanyan S, Hicks K, Carman DS, et al. Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron. Phys Rev Lett. 2003;91(25):252001doi: 10.1103/PhysRevLett.91.252001.
Stepanyan, S., Hicks, K., Carman, D. S., Pasyuk, E., Schumacher, R. A., Smith, E. S., Tedeschi, D. J., Todor, L., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., Asavapibhop, B., Audit, G., Avakian, H., Bagdasaryan, H., Ball, J. P., Barrow, S. P., Battaglieri, M., Beard, K., Bektasoglu, M., Bellis, M., Berman, B. L., Bianchi, N., Biselli, A. S., Boiarinov, S., Bouchigny, S., Bradford, R., Branford, D., Briscoe, W. J., Brooks, W. K., Burkert, V. D., Butuceanu, C., Calarco, J. R., Carnahan, B., Chen, S., Ciciani, L., Cole, P. L., Coleman, A., Cords, D., Corvisiero, P., Crabb, D., Crannell, H., Cummings, J. P., De Sanctis, E., Degtyarenko, P. V., Denizli, H., Dennis, L., De Vita, R., Dharmawardane, K. V., Dhuga, K. S., Djalali, C., Dodge, G. E., Doughty, D., Dragovitsch, P., Dugger, M., Dytman, S., Dzyubak, O. P., Egiyan, H., Egiyan, K. S., Elouadrhiri, L., Empl, A., Eugenio, P., Fatemi, R., Feuerbach, R. J., Ficenec, J., Forest, T. A., Funsten, H., Garçon, M., Gavalian, G., Gilfoyle, G. P., Giovanetti, K. L., Gordon, C. I., Gothe, R., Griffioen, K., Guidal, M., Guillo, M., Guo, L., Gyurjyan, V., Hadjidakis, C., Hakobyan, R. S., Hardie, J., Heddle, D., Heimberg, P., Hersman, F. W., Hicks, R. S., Holtrop, M., Hu, J., Hyde-Wright, C. E., Ito, M. M., Jenkins, D., Joo, K., Juengst, H. G., Kellie, J. D., Khandaker, M., Kim, K. Y., Kim, K., Kim, W., Klein, A., Klein, F. J., Klimenko, A. V., Klusman, M., Kossov, M., Kramer, L. H., Kuang, Y., Kubarovsky, V., Kuhn, S. E., Kuhn, J., Lachniet, J., Lawrence, D., Li, J., Lima, A., Livingston, K., Lukashin, K., Manak, J. J., McAleer, S., McNabb, J. W., Mecking, B. A., Mehrabyan, S., Melone, J. J., Mestayer, M. D., Meyer, C. A., Mikhailov, K., Minehart, R., Mirazita, M., Miskimen, R., Mokeev, V., Morand, L., Morrow, S., Muccifora, V., Mueller, J., Murphy, L. Y., Mutchler, G. S., Napolitano, J., Nasseripour, R., Niccolai, S., Niculescu, G., Niculescu, I., Niczyporuk, B. B., Niyazov, R. A., Nozar, M., O'Brien, J., O'Rielly, G. V., Opper, A. K., Osipenko, M., Park, K., Peterson, G., Philips, S. A., Pivnyuk, N., Pocanic, D., Pogorelko, O., Polli, E., Pozdniakov, S., Preedom, B. M., Price, J. W., Prok, Y., Protopopescu, D., Qin, L. M., Raue, B. A., Riccardi, G., Ricco, G., Ripani, M., Ritchie, B. G., Ronchetti, F., Rossi, P., Rowntree, D., Rubin, P., Sabatié, F., Salgado, C., Santoro, J., Sapunenko, V., Serov, V. S., Sharabian, Y. G., Shaw, J., Simionatto, S., Skabelin, A. V., Smith, L. C., Sober, D. I., Strakovsky, I. I., Stavinsky, A., Stoler, P., Suleiman, R., Taiuti, M., Taylor, S., Thoma, U., Thompson, R., Tur, C., Ungaro, M., Vineyard, M. F., Vlassov, A. V., Wang, K., Weinstein, L. B., Weller, H., Weygand, D. P., Whisnant, C. S., Wolin, E., Wood, M. H., Yegneswaran, A., Yun, J. (2003). Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron. Physical review letters, 91(25), 252001. https://doi.org/10.1103/PhysRevLett.91.252001
Stepanyan, S, et al. "Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron." Physical review letters vol. 91,25 (2003): 252001. doi: https://doi.org/10.1103/PhysRevLett.91.252001
Stepanyan S, Hicks K, Carman DS, Pasyuk E, Schumacher RA, Smith ES, Tedeschi DJ, Todor L, Adams G, Ambrozewicz P, Anciant E, Anghinolfi M, Asavapibhop B, Audit G, Avakian H, Bagdasaryan H, Ball JP, Barrow SP, Battaglieri M, Beard K, Bektasoglu M, Bellis M, Berman BL, Bianchi N, Biselli AS, Boiarinov S, Bouchigny S, Bradford R, Branford D, Briscoe WJ, Brooks WK, Burkert VD, Butuceanu C, Calarco JR, Carnahan B, Chen S, Ciciani L, Cole PL, Coleman A, Cords D, Corvisiero P, Crabb D, Crannell H, Cummings JP, De Sanctis E, Degtyarenko PV, Denizli H, Dennis L, De Vita R, Dharmawardane KV, Dhuga KS, Djalali C, Dodge GE, Doughty D, Dragovitsch P, Dugger M, Dytman S, Dzyubak OP, Egiyan H, Egiyan KS, Elouadrhiri L, Empl A, Eugenio P, Fatemi R, Feuerbach RJ, Ficenec J, Forest TA, Funsten H, Garçon M, Gavalian G, Gilfoyle GP, Giovanetti KL, Gordon CI, Gothe R, Griffioen K, Guidal M, Guillo M, Guo L, Gyurjyan V, Hadjidakis C, Hakobyan RS, Hardie J, Heddle D, Heimberg P, Hersman FW, Hicks RS, Holtrop M, Hu J, Hyde-Wright CE, Ito MM, Jenkins D, Joo K, Juengst HG, Kellie JD, Khandaker M, Kim KY, Kim K, Kim W, Klein A, Klein FJ, Klimenko AV, Klusman M, Kossov M, Kramer LH, Kuang Y, Kubarovsky V, Kuhn SE, Kuhn J, Lachniet J, Lawrence D, Li J, Lima A, Livingston K, Lukashin K, Manak JJ, McAleer S, McNabb JW, Mecking BA, Mehrabyan S, Melone JJ, Mestayer MD, Meyer CA, Mikhailov K, Minehart R, Mirazita M, Miskimen R, Mokeev V, Morand L, Morrow S, Muccifora V, Mueller J, Murphy LY, Mutchler GS, Napolitano J, Nasseripour R, Niccolai S, Niculescu G, Niculescu I, Niczyporuk BB, Niyazov RA, Nozar M, O'Brien J, O'Rielly GV, Opper AK, Osipenko M, Park K, Peterson G, Philips SA, Pivnyuk N, Pocanic D, Pogorelko O, Polli E, Pozdniakov S, Preedom BM, Price JW, Prok Y, Protopopescu D, Qin LM, Raue BA, Riccardi G, Ricco G, Ripani M, Ritchie BG, Ronchetti F, Rossi P, Rowntree D, Rubin P, Sabatié F, Salgado C, Santoro J, Sapunenko V, Serov VS, Sharabian YG, Shaw J, Simionatto S, Skabelin AV, Smith LC, Sober DI, Strakovsky II, Stavinsky A, Stoler P, Suleiman R, Taiuti M, Taylor S, Thoma U, Thompson R, Tur C, Ungaro M, Vineyard MF, Vlassov AV, Wang K, Weinstein LB, Weller H, Weygand DP, Whisnant CS, Wolin E, Wood MH, Yegneswaran A, Yun J. Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron. Phys Rev Lett. 2003 Dec 19;91(25):252001. doi: 10.1103/PhysRevLett.91.252001. Epub 2003 Dec 19. PMID: 14754107.
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Phys Rev Lett. 2003 Dec 19;91(25):252001. doi: 10.1103/PhysRevLett.91.252001. Epub 2003 Dec 19.

Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron.

Physical review letters

S Stepanyan, K Hicks, D S Carman, E Pasyuk, R A Schumacher, E S Smith, D J Tedeschi, L Todor, G Adams, P Ambrozewicz, E Anciant, M Anghinolfi, B Asavapibhop, G Audit, H Avakian, H Bagdasaryan, J P Ball, S P Barrow, M Battaglieri, K Beard, M Bektasoglu, M Bellis, B L Berman, N Bianchi, A S Biselli, S Boiarinov, S Bouchigny, R Bradford, D Branford, W J Briscoe, W K Brooks, V D Burkert, C Butuceanu, J R Calarco, B Carnahan, S Chen, L Ciciani, P L Cole, A Coleman, D Cords, P Corvisiero, D Crabb, H Crannell, J P Cummings, E De Sanctis, P V Degtyarenko, H Denizli, L Dennis, R De Vita, K V Dharmawardane, K S Dhuga, C Djalali, G E Dodge, D Doughty, P Dragovitsch, M Dugger, S Dytman, O P Dzyubak, H Egiyan, K S Egiyan, L Elouadrhiri, A Empl, P Eugenio, R Fatemi, R J Feuerbach, J Ficenec, T A Forest, H Funsten, M Garçon, G Gavalian, G P Gilfoyle, K L Giovanetti, C I O Gordon, R Gothe, K Griffioen, M Guidal, M Guillo, L Guo, V Gyurjyan, C Hadjidakis, R S Hakobyan, J Hardie, D Heddle, P Heimberg, F W Hersman, R S Hicks, M Holtrop, J Hu, C E Hyde-Wright, M M Ito, D Jenkins, K Joo, H G Juengst, J D Kellie, M Khandaker, K Y Kim, K Kim, W Kim, A Klein, F J Klein, A V Klimenko, M Klusman, M Kossov, L H Kramer, Y Kuang, V Kubarovsky, S E Kuhn, J Kuhn, J Lachniet, D Lawrence, J Li, A Lima, K Livingston, K Lukashin, J J Manak, S McAleer, J W C McNabb, B A Mecking, S Mehrabyan, J J Melone, M D Mestayer, C A Meyer, K Mikhailov, R Minehart, M Mirazita, R Miskimen, V Mokeev, L Morand, S Morrow, V Muccifora, J Mueller, L Y Murphy, G S Mutchler, J Napolitano, R Nasseripour, S Niccolai, G Niculescu, I Niculescu, B B Niczyporuk, R A Niyazov, M Nozar, J O'Brien, G V O'Rielly, A K Opper, M Osipenko, K Park, G Peterson, S A Philips, N Pivnyuk, D Pocanic, O Pogorelko, E Polli, S Pozdniakov, B M Preedom, J W Price, Y Prok, D Protopopescu, L M Qin, B A Raue, G Riccardi, G Ricco, M Ripani, B G Ritchie, F Ronchetti, P Rossi, D Rowntree, P Rubin, F Sabatié, C Salgado, J Santoro, V Sapunenko, V S Serov, Y G Sharabian, J Shaw, S Simionatto, A V Skabelin, L C Smith, D I Sober, I I Strakovsky, A Stavinsky, P Stoler, R Suleiman, M Taiuti, S Taylor, U Thoma, R Thompson, C Tur, M Ungaro, M F Vineyard, A V Vlassov, K Wang, L B Weinstein, H Weller, D P Weygand, C S Whisnant, E Wolin, M H Wood, A Yegneswaran, J Yun,

Affiliations

  1. Thomas Jefferson National Accelerator Laboratory, Newport News, Virginia 23606, USA and Old Dominion University, Norfolk, Virginia 23529, USA.

PMID: 14754107 DOI: 10.1103/PhysRevLett.91.252001

Abstract

In an exclusive measurement of the reaction gammad-->K(+)K(-)pn, a narrow peak that can be attributed to an exotic baryon with strangeness S=+1 is seen in the K(+)n invariant mass spectrum. The peak is at 1.542+/-0.005 GeV/c(2) with a measured width of 0.021 GeV/c(2) FWHM, which is largely determined by experimental mass resolution. The statistical significance of the peak is (5.2+/-0.6)sigma. The mass and width of the observed peak are consistent with recent reports of a narrow S=+1 baryon by other experimental groups.

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