Radiative Decay of the Sigma0(1385) and Lambda(1520) Hyperons

Taylor, S; Mutchler, Gs; Adams, G; Ambrozewicz, P; Anciant, E; Anghinolfi, Marco; Asavapibhop, B; Asryan, G; Audit, G; Avakian, H; Bagdasaryan, H; Ball, Jp; Barrow, S; Batourine, V; Battaglieri, Marco; Beard, K; Bektasoglu, M; Bellis, M; Benmouna, N; Berman, Bl; Bianchi, Nicola; Biselli, As; Boiarinov, S; Bonner, Be; Bouchigny, S; Bradford, R; Branford, D; Briscoe, Wj; Brooks, Wk; Bultmann, S; Burkert, Vd; Butuceanu, C; Calarco, Jr; Carman, Ds; Carnahan, B; Chen, S; Cole, Pl; Cords, D; Corvisiero, Pietro; Crabb, D; Crannell, H; Cummings, Jp; De Sanctis Enzo,; Devita, R; Degtyarenko, Pv; Denizli, H; Dennis, L; Deur, A; 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; Fatemi, R; Feldman, Gerald; Fersch, Rg; Feuerbach, Rj; Forest, Ta; Funsten, H; Garcon, M; Gavalian, G; Gilfoyle, Gp; Giovanetti, Kl; Golovatch, Evgueni; Gordon, Cio; Gothe, Rw; Griffioen, Ka; Guidal, M; Guillo, M; Guler, N; Guo, L; Gyurjyan, V; Hadjidakis, Cynthia; Hakobyan, Rs; Hardie, J; Heddle, D; Hersman, Fw; Hicks, K; Hleiqawi, I; Holtrop, M; Hu, J; Huertas, M; Hyde Wright CE,; Ilieva, Y; Ireland, Dg; 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; Koubarovski, V; Kramer, Lh; Kuhn, Se; Kuhn, J; Lachniet, J; Laget, Jm; Langheinrich, J; Lawrence, D; Lee, T; Jun, Li; Lima, Acs; Livingston, K; Lukashin, K; Manak, Jj; Marchand, C; Mcaleer, S; Mcnabb, Jwc; Mecking, Ba; Melone, Jj; Mestayer, Md; Meyer, Ca; Mikhailov, K; Mirazita, Marco; Miskimen, R; Mokeev, V; Morand, L; Morrow, Sa; Muccifora, Valeria; Mueller, J; Napolitano, J; Nasseripour, R; Niccolai, S; Niculescu, G; Niculescu, I; Niczyporuk, Bb; Niyazov, Ra; Nozar, M; O'Rielly, Gv; Osipenko, Mikhail; Ostrovidov, Ai; Park, K; Pasyuk, E; Philips, Sa; Pivnyuk, N; Pocanic, D; Pogorelko, O; Polli, Ermanno; Pozdniakov, S; Preedom, Bm; Price, Jw; Prok, Y; Protopopescu, D; Qin, Lm; Raue, Bs; Riccardi, G; Ricco, Giovanni; Ripani, Marco; Ritchie, Bg; Ronchetti, Federico; Rosner, G; Rossi, Patrizia; Rowntree, D; Rubin, Pd; Sabatie, F; Salgado Lopez Carlos Alberto,; Santoro, Joseph; Sapunenko, Vladimir; Schumacher, Ra; Serov, Vs; Shafi, A; Sharabian, Yg; Shaw, J; Simionatto, S; Skabelin, Av; Smith, Es; Smith, Lc; Sober, Di; Spraker, M; Stavinsky, A; Stepanyan, S; Stepanyan, Ss; Stokes, Be; Stoler, P; Strakovsky, Ii; Strauch, S; Suleiman, R; Taiuti, MAURO GINO; Tedeschi, Dj; Thoma, U; Thompson, R; Tkabladze, A; Todor, L; Tur, C; Ungaro, M; Vineyard, Mf; Vlassov, Av; Wang, K; Weinstein, Lb; Weller, H; Weygand, Dp; Whisnant, Cs; Williams Meurig Crispin Stowe,; Wolin, E; Wood, Mh; Yegneswaran, A; Yun, J; Zana, L.

doi:10.1103/PhysRevC.71.054609

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The electromagnetic decays of the Sigma(0)(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K(+)Lambda(1116)gamma in the Large Acceptance Spectrometer detector at the Thomas Jefferson National Accelerator Facility. We report the first observation of the radiative decay of the Sigma(0)(1385) and a measurement of the Lambda(1520) radiative decay width. For the Sigma(0)(1385)->Lambda(1116)gamma transition, we measured a partial width of 479 +/- 120(stat)(-100)(+81)(sys) keV, larger than all of the existing model predictions. For the Lambda(1520)->Lambda(1116)gamma transition, we obtained a partial width of 167 +/- 43(stat)(-12)(+26)(sys) keV.

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Titolo:	Radiative Decay of the Sigma0(1385) and Lambda(1520) Hyperons
Autori:	Taylor S Mutchler GS Adams G Ambrozewicz P Anciant E Anghinolfi Marco Asavapibhop B Asryan G Audit G Avakian H Bagdasaryan H Ball JP Barrow S Batourine V Battaglieri Marco Beard K Bektasoglu M Bellis M Benmouna N Berman BL Bianchi Nicola Biselli AS Boiarinov S Bonner BE Bouchigny S Bradford R Branford D Briscoe WJ Brooks WK Bultmann S Burkert VD Butuceanu C Calarco JR Carman DS Carnahan B Chen S Cole PL Cords D CORVISIERO, PIETRO Crabb D Crannell H Cummings JP De Sanctis Enzo DeVita R Degtyarenko PV Denizli H Dennis L Deur A 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 Fatemi R Feldman Gerald Fersch RG Feuerbach RJ Forest TA Funsten H Garcon M Gavalian G Gilfoyle GP Giovanetti KL Golovatch Evgueni Gordon CIO Gothe RW Griffioen KA Guidal M Guillo M Guler N Guo L Gyurjyan V Hadjidakis Cynthia Hakobyan RS Hardie J Heddle D Hersman FW Hicks K Hleiqawi I Holtrop M Hu J Huertas M Hyde Wright CE Ilieva Y Ireland DG 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 Koubarovski V Kramer LH Kuhn SE Kuhn J Lachniet J Laget JM Langheinrich J Lawrence D Lee T Li Jun Lima ACS Livingston K Lukashin K Manak JJ Marchand C McAleer S McNabb JWC Mecking BA Melone JJ Mestayer MD Meyer CA Mikhailov K Mirazita Marco Miskimen R Mokeev V Morand L Morrow SA Muccifora Valeria Mueller J Napolitano J Nasseripour R Niccolai S Niculescu G Niculescu I Niczyporuk BB Niyazov RA Nozar M O'Rielly GV Osipenko Mikhail Ostrovidov AI Park K Pasyuk E Philips SA Pivnyuk N Pocanic D Pogorelko O Polli Ermanno Pozdniakov S Preedom BM Price JW Prok Y Protopopescu D Qin LM Raue BS Riccardi G RICCO, GIOVANNI Ripani Marco Ritchie BG Ronchetti Federico Rosner G Rossi Patrizia Rowntree D Rubin PD Sabatie F Salgado Lopez Carlos Alberto Santoro Joseph Sapunenko Vladimir Schumacher RA Serov VS Shafi A Sharabian YG Shaw J Simionatto S Skabelin AV Smith ES Smith LC Sober DI Spraker M Stavinsky A Stepanyan S Stepanyan SS Stokes BE Stoler P Strakovsky II Strauch S Suleiman R TAIUTI, MAURO GINO Tedeschi DJ Thoma U Thompson R Tkabladze A Todor L Tur C Ungaro M Vineyard MF Vlassov AV Wang K Weinstein LB Weller H Weygand DP Whisnant CS Williams Meurig Crispin Stowe Wolin E Wood MH Yegneswaran A Yun J Zana L. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2005
Rivista:	PHYSICAL REVIEW. C, NUCLEAR PHYSICS
Abstract:	The electromagnetic decays of the Sigma(0)(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K(+)Lambda(1116)gamma in the Large Acceptance Spectrometer detector at the Thomas Jefferson National Accelerator Facility. We report the first observation of the radiative decay of the Sigma(0)(1385) and a measurement of the Lambda(1520) radiative decay width. For the Sigma(0)(1385)->Lambda(1116)gamma transition, we measured a partial width of 479 +/- 120(stat)(-100)(+81)(sys) keV, larger than all of the existing model predictions. For the Lambda(1520)->Lambda(1116)gamma transition, we obtained a partial width of 167 +/- 43(stat)(-12)(+26)(sys) keV.
Handle:	http://hdl.handle.net/11567/211837
Appare nelle tipologie:	01.01 - Articolo su rivista

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