Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton

V. Kubarovsky, L. Guo, D. P. Weygand, P. Stoler, M. Battaglieri, R. DeVita, G. Adams, Ji Li, M. Nozar, C. Salgado, P. Ambrozewicz, E. Anciant, M. Anghinolfi, B. Asavapibhop, G. Audit, T. Auger, H. Avakian, H. Bagdasaryan, J. P. Ball, S. BarrowK. Beard, M. Bektasoglu, M. Bellis, N. Benmouna, 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, D. S. Carman, B. Carnahan, C. Cetina, S. Chen, L. Ciciani, P. L. Cole, J. Connelly, D. Cords, P. Corvisiero, D. Crabb, H. Crannell, J. P. Cummings, E. De Sanctis, P. V. Degtyarenko, H. Denizli, L. Dennis, K. V. Dharmawardane, C. Djalali, G. E. Dodge, D. Doughty, P. Dragovitsch, Michael Dugger, S. Dytman, O. P. Dzyubak, H. Egiyan, K. S. Egiyan, L. Elouadrhiri, A. Empl, P. Eugenio, L. Farhi, R. Fatemi, R. J. Feuerbach, J. Ficenec, T. A. Forest, V. Frolov, H. Funsten, S. J. Gaff, M. Garçon, G. Gavalian, G. P. Gilfoyle, K. L. Giovanetti, P. Girard, R. Gothe, C. I.O. Gordon, K. Griffioen, M. Guidal, M. Guillo, V. Gyurjyan, C. Hadjidakis, R. S. Hakobyan, D. Hancock, J. Hardie, D. Heddle, P. Heimberg, F. W. Hersman, K. Hicks, M. Holtrop, J. Hu, Y. Ilieva, M. M. Ito, D. Jenkins, K. Joo, H. G. Juengst, J. H. Kelley, M. Khandaker, K. Y. Kim, K. Kim, W. Kim, F. J. Klein, A. V. Klimenko, M. Klusman, M. Kossov, L. H. Kramer, S. E. Kuhn, J. Kuhn, J. Lachniet, J. M. Laget, J. Langheinrich, D. Lawrence, A. Longhi, K. Lukashin, R. W. Major, J. J. Manak, C. Marchand, 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. A. Morrow, M. U. Mozer, V. Muccifora, J. Mueller, G. S. Mutchler, J. Napolitano, R. Nasseripour, S. O. Nelson, S. Niccolai, G. Niculescu, I. Niculescu, B. B. Niczyporuk, R. A. Niyazov, J. T. O’Brien, G. V. O’Rielly, A. K. Opper, M. Osipenko, K. Park, E. Pasyuk, 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, M. Ripani, Barry Ritchie, F. Ronchetti, P. Rossi, D. Rowntree, P. D. Rubin, F. Sabatié, K. Sabourov, J. P. Santoro, V. Sapunenko, M. Sargsyan, R. A. Schumacher, V. S. Serov, A. Shafi, Y. G. Sharabian, J. Shaw, S. Simionatto, A. V. Skabelin, E. S. Smith, T. Smith, L. C. Smith, D. I. Sober, M. Spraker, A. Stavinsky, S. Stepanyan, I. I. Strakovsky, S. Strauch, M. Taiuti, S. Taylor, D. J. Tedeschi, U. Thoma, R. Thompson, L. Todor, C. Tur, M. Ungaro, M. F. Vineyard, A. V. Vlassov, K. Wang, L. B. Weinstein, A. Weisberg, C. S. Whisnant, E. Wolin, M. H. Wood, A. Yegneswaran, J. Yun

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

The reaction [Formula presented] was studied at Jefferson Laboratory using a tagged photon beam with an energy range of 3–5.47 GeV. A narrow baryon state with strangeness [Formula presented] and mass [Formula presented] was observed in the [Formula presented] invariant mass spectrum. The peak’s width is consistent with the CLAS resolution ([Formula presented]), and its statistical significance is [Formula presented]. A baryon with positive strangeness has exotic structure and cannot be described in the framework of the naive constituent quark model. The mass of the observed state is consistent with the mass predicted by the chiral soliton model for the [Formula presented] baryon. In addition, the [Formula presented] invariant mass distribution was analyzed in the reaction [Formula presented] with high statistics in search of doubly charged exotic baryon states. No resonance structures were found in this spectrum.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review Letters
Volume92
Issue number3
DOIs
StatePublished - Jan 1 2004

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photoproduction
baryons
protons
strangeness
photon beams
quark models
mass distribution
mass spectra
solitary waves
statistics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kubarovsky, V., Guo, L., Weygand, D. P., Stoler, P., Battaglieri, M., DeVita, R., ... Yun, J. (2004). Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton. Physical Review Letters, 92(3). https://doi.org/10.1103/PhysRevLett.92.032001

Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton. / Kubarovsky, V.; Guo, L.; Weygand, D. P.; Stoler, P.; Battaglieri, M.; DeVita, R.; Adams, G.; Li, Ji; Nozar, M.; Salgado, C.; Ambrozewicz, P.; Anciant, E.; Anghinolfi, M.; Asavapibhop, B.; Audit, G.; Auger, T.; Avakian, H.; Bagdasaryan, H.; Ball, J. P.; Barrow, S.; Beard, K.; Bektasoglu, M.; Bellis, M.; Benmouna, N.; 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.; Carman, D. S.; Carnahan, B.; Cetina, C.; Chen, S.; Ciciani, L.; Cole, P. L.; Connelly, J.; Cords, D.; Corvisiero, P.; Crabb, D.; Crannell, H.; Cummings, J. P.; De Sanctis, E.; Degtyarenko, P. V.; Denizli, H.; Dennis, L.; Dharmawardane, K. V.; Djalali, C.; Dodge, G. E.; Doughty, D.; Dragovitsch, P.; Dugger, Michael; Dytman, S.; Dzyubak, O. P.; Egiyan, H.; Egiyan, K. S.; Elouadrhiri, L.; Empl, A.; Eugenio, P.; Farhi, L.; Fatemi, R.; Feuerbach, R. J.; Ficenec, J.; Forest, T. A.; Frolov, V.; Funsten, H.; Gaff, S. J.; Garçon, M.; Gavalian, G.; Gilfoyle, G. P.; Giovanetti, K. L.; Girard, P.; Gothe, R.; Gordon, C. I.O.; Griffioen, K.; Guidal, M.; Guillo, M.; Gyurjyan, V.; Hadjidakis, C.; Hakobyan, R. S.; Hancock, D.; Hardie, J.; Heddle, D.; Heimberg, P.; Hersman, F. W.; Hicks, K.; Holtrop, M.; Hu, J.; Ilieva, Y.; Ito, M. M.; Jenkins, D.; Joo, K.; Juengst, H. G.; Kelley, J. H.; Khandaker, M.; Kim, K. Y.; Kim, K.; Kim, W.; Klein, F. J.; Klimenko, A. V.; Klusman, M.; Kossov, M.; Kramer, L. H.; Kuhn, S. E.; Kuhn, J.; Lachniet, J.; Laget, J. M.; Langheinrich, J.; Lawrence, D.; Longhi, A.; Lukashin, K.; Major, R. W.; Manak, J. J.; Marchand, C.; McAleer, S.; McNabb, J. W.C.; 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. A.; Mozer, M. U.; Muccifora, V.; Mueller, J.; Mutchler, G. S.; Napolitano, J.; Nasseripour, R.; Nelson, S. O.; Niccolai, S.; Niculescu, G.; Niculescu, I.; Niczyporuk, B. B.; Niyazov, R. A.; O’Brien, J. T.; O’Rielly, G. V.; Opper, A. K.; Osipenko, M.; Park, K.; Pasyuk, E.; 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.; Ripani, M.; Ritchie, Barry; Ronchetti, F.; Rossi, P.; Rowntree, D.; Rubin, P. D.; Sabatié, F.; Sabourov, K.; Santoro, J. P.; Sapunenko, V.; Sargsyan, M.; Schumacher, R. A.; Serov, V. S.; Shafi, A.; Sharabian, Y. G.; Shaw, J.; Simionatto, S.; Skabelin, A. V.; Smith, E. S.; Smith, T.; Smith, L. C.; Sober, D. I.; Spraker, M.; Stavinsky, A.; Stepanyan, S.; Strakovsky, I. I.; Strauch, S.; Taiuti, M.; Taylor, S.; Tedeschi, D. J.; Thoma, U.; Thompson, R.; Todor, L.; Tur, C.; Ungaro, M.; Vineyard, M. F.; Vlassov, A. V.; Wang, K.; Weinstein, L. B.; Weisberg, A.; Whisnant, C. S.; Wolin, E.; Wood, M. H.; Yegneswaran, A.; Yun, J.

In: Physical Review Letters, Vol. 92, No. 3, 01.01.2004.

Research output: Contribution to journal › Article

Kubarovsky, V, Guo, L, Weygand, DP, Stoler, P, Battaglieri, M, DeVita, R, Adams, G, Li, J, Nozar, M, Salgado, C, Ambrozewicz, P, Anciant, E, Anghinolfi, M, Asavapibhop, B, Audit, G, Auger, T, Avakian, H, Bagdasaryan, H, Ball, JP, Barrow, S, Beard, K, Bektasoglu, M, Bellis, M, Benmouna, N, Berman, BL, Bianchi, N, Biselli, AS, Boiarinov, S, Bouchigny, S, Bradford, R, Branford, D, Briscoe, WJ, Brooks, WK, Burkert, VD, Butuceanu, C, Calarco, JR, Carman, DS, Carnahan, B, Cetina, C, Chen, S, Ciciani, L, Cole, PL, Connelly, J, Cords, D, Corvisiero, P, Crabb, D, Crannell, H, Cummings, JP, De Sanctis, E, Degtyarenko, PV, Denizli, H, Dennis, L, Dharmawardane, KV, Djalali, C, Dodge, GE, Doughty, D, Dragovitsch, P, Dugger, M, Dytman, S, Dzyubak, OP, Egiyan, H, Egiyan, KS, Elouadrhiri, L, Empl, A, Eugenio, P, Farhi, L, Fatemi, R, Feuerbach, RJ, Ficenec, J, Forest, TA, Frolov, V, Funsten, H, Gaff, SJ, Garçon, M, Gavalian, G, Gilfoyle, GP, Giovanetti, KL, Girard, P, Gothe, R, Gordon, CIO, Griffioen, K, Guidal, M, Guillo, M, Gyurjyan, V, Hadjidakis, C, Hakobyan, RS, Hancock, D, Hardie, J, Heddle, D, Heimberg, P, Hersman, FW, Hicks, K, Holtrop, M, Hu, J, Ilieva, Y, Ito, MM, Jenkins, D, Joo, K, Juengst, HG, Kelley, JH, Khandaker, M, Kim, KY, Kim, K, Kim, W, Klein, FJ, Klimenko, AV, Klusman, M, Kossov, M, Kramer, LH, Kuhn, SE, Kuhn, J, Lachniet, J, Laget, JM, Langheinrich, J, Lawrence, D, Longhi, A, Lukashin, K, Major, RW, Manak, JJ, Marchand, C, McAleer, S, McNabb, JWC, Mecking, BA, Mehrabyan, S, Melone, JJ, Mestayer, MD, Meyer, CA, Mikhailov, K, Minehart, R, Mirazita, M, Miskimen, R, Mokeev, V, Morand, L, Morrow, SA, Mozer, MU, Muccifora, V, Mueller, J, Mutchler, GS, Napolitano, J, Nasseripour, R, Nelson, SO, Niccolai, S, Niculescu, G, Niculescu, I, Niczyporuk, BB, Niyazov, RA, O’Brien, JT, O’Rielly, GV, Opper, AK, Osipenko, M, Park, K, Pasyuk, E, 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, Ripani, M, Ritchie, B, Ronchetti, F, Rossi, P, Rowntree, D, Rubin, PD, Sabatié, F, Sabourov, K, Santoro, JP, Sapunenko, V, Sargsyan, M, Schumacher, RA, Serov, VS, Shafi, A, Sharabian, YG, Shaw, J, Simionatto, S, Skabelin, AV, Smith, ES, Smith, T, Smith, LC, Sober, DI, Spraker, M, Stavinsky, A, Stepanyan, S, Strakovsky, II, Strauch, S, Taiuti, M, Taylor, S, Tedeschi, DJ, Thoma, U, Thompson, R, Todor, L, Tur, C, Ungaro, M, Vineyard, MF, Vlassov, AV, Wang, K, Weinstein, LB, Weisberg, A, Whisnant, CS, Wolin, E, Wood, MH, Yegneswaran, A & Yun, J 2004, 'Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton', Physical Review Letters, vol. 92, no. 3. https://doi.org/10.1103/PhysRevLett.92.032001
Kubarovsky V, Guo L, Weygand DP, Stoler P, Battaglieri M, DeVita R et al. Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton. Physical Review Letters. 2004 Jan 1;92(3). https://doi.org/10.1103/PhysRevLett.92.032001
Kubarovsky, V. ; Guo, L. ; Weygand, D. P. ; Stoler, P. ; Battaglieri, M. ; DeVita, R. ; Adams, G. ; Li, Ji ; Nozar, M. ; Salgado, C. ; Ambrozewicz, P. ; Anciant, E. ; Anghinolfi, M. ; Asavapibhop, B. ; Audit, G. ; Auger, T. ; Avakian, H. ; Bagdasaryan, H. ; Ball, J. P. ; Barrow, S. ; Beard, K. ; Bektasoglu, M. ; Bellis, M. ; Benmouna, N. ; 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. ; Carman, D. S. ; Carnahan, B. ; Cetina, C. ; Chen, S. ; Ciciani, L. ; Cole, P. L. ; Connelly, J. ; Cords, D. ; Corvisiero, P. ; Crabb, D. ; Crannell, H. ; Cummings, J. P. ; De Sanctis, E. ; Degtyarenko, P. V. ; Denizli, H. ; Dennis, L. ; Dharmawardane, K. V. ; Djalali, C. ; Dodge, G. E. ; Doughty, D. ; Dragovitsch, P. ; Dugger, Michael ; Dytman, S. ; Dzyubak, O. P. ; Egiyan, H. ; Egiyan, K. S. ; Elouadrhiri, L. ; Empl, A. ; Eugenio, P. ; Farhi, L. ; Fatemi, R. ; Feuerbach, R. J. ; Ficenec, J. ; Forest, T. A. ; Frolov, V. ; Funsten, H. ; Gaff, S. J. ; Garçon, M. ; Gavalian, G. ; Gilfoyle, G. P. ; Giovanetti, K. L. ; Girard, P. ; Gothe, R. ; Gordon, C. I.O. ; Griffioen, K. ; Guidal, M. ; Guillo, M. ; Gyurjyan, V. ; Hadjidakis, C. ; Hakobyan, R. S. ; Hancock, D. ; Hardie, J. ; Heddle, D. ; Heimberg, P. ; Hersman, F. W. ; Hicks, K. ; Holtrop, M. ; Hu, J. ; Ilieva, Y. ; Ito, M. M. ; Jenkins, D. ; Joo, K. ; Juengst, H. G. ; Kelley, J. H. ; Khandaker, M. ; Kim, K. Y. ; Kim, K. ; Kim, W. ; Klein, F. J. ; Klimenko, A. V. ; Klusman, M. ; Kossov, M. ; Kramer, L. H. ; Kuhn, S. E. ; Kuhn, J. ; Lachniet, J. ; Laget, J. M. ; Langheinrich, J. ; Lawrence, D. ; Longhi, A. ; Lukashin, K. ; Major, R. W. ; Manak, J. J. ; Marchand, C. ; McAleer, S. ; McNabb, J. W.C. ; 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. A. ; Mozer, M. U. ; Muccifora, V. ; Mueller, J. ; Mutchler, G. S. ; Napolitano, J. ; Nasseripour, R. ; Nelson, S. O. ; Niccolai, S. ; Niculescu, G. ; Niculescu, I. ; Niczyporuk, B. B. ; Niyazov, R. A. ; O’Brien, J. T. ; O’Rielly, G. V. ; Opper, A. K. ; Osipenko, M. ; Park, K. ; Pasyuk, E. ; 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. ; Ripani, M. ; Ritchie, Barry ; Ronchetti, F. ; Rossi, P. ; Rowntree, D. ; Rubin, P. D. ; Sabatié, F. ; Sabourov, K. ; Santoro, J. P. ; Sapunenko, V. ; Sargsyan, M. ; Schumacher, R. A. ; Serov, V. S. ; Shafi, A. ; Sharabian, Y. G. ; Shaw, J. ; Simionatto, S. ; Skabelin, A. V. ; Smith, E. S. ; Smith, T. ; Smith, L. C. ; Sober, D. I. ; Spraker, M. ; Stavinsky, A. ; Stepanyan, S. ; Strakovsky, I. I. ; Strauch, S. ; Taiuti, M. ; Taylor, S. ; Tedeschi, D. J. ; Thoma, U. ; Thompson, R. ; Todor, L. ; Tur, C. ; Ungaro, M. ; Vineyard, M. F. ; Vlassov, A. V. ; Wang, K. ; Weinstein, L. B. ; Weisberg, A. ; Whisnant, C. S. ; Wolin, E. ; Wood, M. H. ; Yegneswaran, A. ; Yun, J. / Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton. In: Physical Review Letters. 2004 ; Vol. 92, No. 3.
@article{1f594597ae48456fa44a28b25c7031a7,
title = "Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton",
abstract = "The reaction [Formula presented] was studied at Jefferson Laboratory using a tagged photon beam with an energy range of 3–5.47 GeV. A narrow baryon state with strangeness [Formula presented] and mass [Formula presented] was observed in the [Formula presented] invariant mass spectrum. The peak’s width is consistent with the CLAS resolution ([Formula presented]), and its statistical significance is [Formula presented]. A baryon with positive strangeness has exotic structure and cannot be described in the framework of the naive constituent quark model. The mass of the observed state is consistent with the mass predicted by the chiral soliton model for the [Formula presented] baryon. In addition, the [Formula presented] invariant mass distribution was analyzed in the reaction [Formula presented] with high statistics in search of doubly charged exotic baryon states. No resonance structures were found in this spectrum.",
author = "V. Kubarovsky and L. Guo and Weygand, {D. P.} and P. Stoler and M. Battaglieri and R. DeVita and G. Adams and Ji Li and M. Nozar and C. Salgado and P. Ambrozewicz and E. Anciant and M. Anghinolfi and B. Asavapibhop and G. Audit and T. Auger and H. Avakian and H. Bagdasaryan and Ball, {J. P.} and S. Barrow and K. Beard and M. Bektasoglu and M. Bellis and N. Benmouna and Berman, {B. L.} and N. Bianchi and Biselli, {A. S.} and S. Boiarinov and S. Bouchigny and R. Bradford and D. Branford and Briscoe, {W. J.} and Brooks, {W. K.} and Burkert, {V. D.} and C. Butuceanu and Calarco, {J. R.} and Carman, {D. S.} and B. Carnahan and C. Cetina and S. Chen and L. Ciciani and Cole, {P. L.} and J. Connelly and D. Cords and P. Corvisiero and D. Crabb and H. Crannell and Cummings, {J. P.} and {De Sanctis}, E. and Degtyarenko, {P. V.} and H. Denizli and L. Dennis and Dharmawardane, {K. V.} and C. Djalali and Dodge, {G. E.} and D. Doughty and P. Dragovitsch and Michael Dugger and S. Dytman and Dzyubak, {O. P.} and H. Egiyan and Egiyan, {K. S.} and L. Elouadrhiri and A. Empl and P. Eugenio and L. Farhi and R. Fatemi and Feuerbach, {R. J.} and J. Ficenec and Forest, {T. A.} and V. Frolov and H. Funsten and Gaff, {S. J.} and M. Gar{\cc}on and G. Gavalian and Gilfoyle, {G. P.} and Giovanetti, {K. L.} and P. Girard and R. Gothe and Gordon, {C. I.O.} and K. Griffioen and M. Guidal and M. Guillo and V. Gyurjyan and C. Hadjidakis and Hakobyan, {R. S.} and D. Hancock and J. Hardie and D. Heddle and P. Heimberg and Hersman, {F. W.} and K. Hicks and M. Holtrop and J. Hu and Y. Ilieva and Ito, {M. M.} and D. Jenkins and K. Joo and Juengst, {H. G.} and Kelley, {J. H.} and M. Khandaker and Kim, {K. Y.} and K. Kim and W. Kim and Klein, {F. J.} and Klimenko, {A. V.} and M. Klusman and M. Kossov and Kramer, {L. H.} and Kuhn, {S. E.} and J. Kuhn and J. Lachniet and Laget, {J. M.} and J. Langheinrich and D. Lawrence and A. Longhi and K. Lukashin and Major, {R. W.} and Manak, {J. J.} and C. Marchand and S. McAleer and McNabb, {J. W.C.} and Mecking, {B. A.} and S. Mehrabyan and Melone, {J. J.} and Mestayer, {M. D.} and Meyer, {C. A.} and K. Mikhailov and R. Minehart and M. Mirazita and R. Miskimen and V. Mokeev and L. Morand and Morrow, {S. A.} and Mozer, {M. U.} and V. Muccifora and J. Mueller and Mutchler, {G. S.} and J. Napolitano and R. Nasseripour and Nelson, {S. O.} and S. Niccolai and G. Niculescu and I. Niculescu and Niczyporuk, {B. B.} and Niyazov, {R. A.} and O’Brien, {J. T.} and O’Rielly, {G. V.} and Opper, {A. K.} and M. Osipenko and K. Park and E. Pasyuk and G. Peterson and Philips, {S. A.} and N. Pivnyuk and D. Pocanic and O. Pogorelko and E. Polli and S. Pozdniakov and Preedom, {B. M.} and Price, {J. W.} and Y. Prok and D. Protopopescu and Qin, {L. M.} and Raue, {B. A.} and G. Riccardi and M. Ripani and Barry Ritchie and F. Ronchetti and P. Rossi and D. Rowntree and Rubin, {P. D.} and F. Sabati{\'e} and K. Sabourov and Santoro, {J. P.} and V. Sapunenko and M. Sargsyan and Schumacher, {R. A.} and Serov, {V. S.} and A. Shafi and Sharabian, {Y. G.} and J. Shaw and S. Simionatto and Skabelin, {A. V.} and Smith, {E. S.} and T. Smith and Smith, {L. C.} and Sober, {D. I.} and M. Spraker and A. Stavinsky and S. Stepanyan and Strakovsky, {I. I.} and S. Strauch and M. Taiuti and S. Taylor and Tedeschi, {D. J.} and U. Thoma and R. Thompson and L. Todor and C. Tur and M. Ungaro and Vineyard, {M. F.} and Vlassov, {A. V.} and K. Wang and Weinstein, {L. B.} and A. Weisberg and Whisnant, {C. S.} and E. Wolin and Wood, {M. H.} and A. Yegneswaran and J. Yun",
year = "2004",
month = "1",
day = "1",
doi = "10.1103/PhysRevLett.92.032001",
language = "English (US)",
volume = "92",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "3",

}

TY - JOUR

T1 - Observation of an Exotic Baryon with [Formula presented] in Photoproduction from the Proton

AU - Kubarovsky, V.

AU - Guo, L.

AU - Weygand, D. P.

AU - Stoler, P.

AU - Battaglieri, M.

AU - DeVita, R.

AU - Adams, G.

AU - Li, Ji

AU - Nozar, M.

AU - Salgado, C.

AU - Ambrozewicz, P.

AU - Anciant, E.

AU - Anghinolfi, M.

AU - Asavapibhop, B.

AU - Audit, G.

AU - Auger, T.

AU - Avakian, H.

AU - Bagdasaryan, H.

AU - Ball, J. P.

AU - Barrow, S.

AU - Beard, K.

AU - Bektasoglu, M.

AU - Bellis, M.

AU - Benmouna, N.

AU - Berman, B. L.

AU - Bianchi, N.

AU - Biselli, A. S.

AU - Boiarinov, S.

AU - Bouchigny, S.

AU - Bradford, R.

AU - Branford, D.

AU - Briscoe, W. J.

AU - Brooks, W. K.

AU - Burkert, V. D.

AU - Butuceanu, C.

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PY - 2004/1/1

Y1 - 2004/1/1

N2 - The reaction [Formula presented] was studied at Jefferson Laboratory using a tagged photon beam with an energy range of 3–5.47 GeV. A narrow baryon state with strangeness [Formula presented] and mass [Formula presented] was observed in the [Formula presented] invariant mass spectrum. The peak’s width is consistent with the CLAS resolution ([Formula presented]), and its statistical significance is [Formula presented]. A baryon with positive strangeness has exotic structure and cannot be described in the framework of the naive constituent quark model. The mass of the observed state is consistent with the mass predicted by the chiral soliton model for the [Formula presented] baryon. In addition, the [Formula presented] invariant mass distribution was analyzed in the reaction [Formula presented] with high statistics in search of doubly charged exotic baryon states. No resonance structures were found in this spectrum.

AB - The reaction [Formula presented] was studied at Jefferson Laboratory using a tagged photon beam with an energy range of 3–5.47 GeV. A narrow baryon state with strangeness [Formula presented] and mass [Formula presented] was observed in the [Formula presented] invariant mass spectrum. The peak’s width is consistent with the CLAS resolution ([Formula presented]), and its statistical significance is [Formula presented]. A baryon with positive strangeness has exotic structure and cannot be described in the framework of the naive constituent quark model. The mass of the observed state is consistent with the mass predicted by the chiral soliton model for the [Formula presented] baryon. In addition, the [Formula presented] invariant mass distribution was analyzed in the reaction [Formula presented] with high statistics in search of doubly charged exotic baryon states. No resonance structures were found in this spectrum.

UR - http://www.scopus.com/inward/record.url?scp=85038311986&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85038311986&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.92.032001

DO - 10.1103/PhysRevLett.92.032001

M3 - Article

AN - SCOPUS:85038311986

VL - 92

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 3

ER -

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