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This title appears in the Scientific Report : 2022 

Measurement of spin density matrix elements in Λ ( 1520 ) photoproduction at 8.2–8.8 GeV

Measurement of spin density matrix elements in Λ ( 1520 ) photoproduction at 8.2–8.8 GeV

We report on the measurement of spin density matrix elements of the Λ(1520) in the photoproduction reaction γp→Λ(1520)K+, via its subsequent decay to K−p. The measurement was performed as part of the GlueX experimental program in Hall D at Jefferson Laboratory using a linearly polarized photon beam...

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Personal Name(s): Adhikari, S.
Akondi, C. S. / Albrecht, M. / Ali, A. / Amaryan, M. / Asaturyan, A. / Austregesilo, A. / Baldwin, Z. / Barbosa, F. / Barlow, J. / Barriga, E. / Barsotti, R. / Beattie, T. D. / Berdnikov, V. V. / Black, T. / Boeglin, W. / Briscoe, W. J. / Britton, T. / Brooks, W. K. / Chudakov, E. / Cole, S. / Cole, P. L. / Cortes, O. / Crede, V. / Dalton, M. M. / Daniels, T. / Deur, A. / Dobbs, S. / Dolgolenko, A. / Dotel, R. / Dugger, M. / Dzhygadlo, R. / Egiyan, H. / Erbora, T. / Ernst, A. / Eugenio, P. / Fanelli, C. / Fegan, S. / Fitches, J. / Foda, A. M. / Furletov, S. / Gan, L. / Gao, H. / Gasparian, A. / Gleason, C. / Goetzen, K. / Goryachev, V. S. / Guo, L. / Hagen, M. / Hakobyan, H. / Hamdi, A. / Hernandez, J. / Hoffman, N. D. / Hou, G. / Huber, G. M. / Hurley, A. / Ireland, D. G. / Ito, M. M. / Jaegle, I. / Jarvis, N. S. / Jones, R. T. / Kakoyan, V. / Kalicy, G. / Kamel, M. / Khachatryan, V. / Khatchatryan, M. / Kourkoumelis, C. / Kuleshov, S. / LaDuke, A. / Larin, I. / Lawrence, D. / Lersch, D. I. / Li, H. / Li, W. B. / Liu, B. / Livingston, K. / Lolos, G. J. / Luckas, K. / Lyubovitskij, V. / Mack, D. / Mahmood, A. / Marukyan, H. / Matveev, V. / McCaughan, M. / McCracken, M. / Meyer, C. A. / Miskimen, R. / Mitchell, R. E. / Mizutani, K. / Neelamana, V. / Nerling, F. / Ng, L. / Ostrovidov, A. I. / Papandreou, Z. / Paudel, C. / Pauli, P. (Corresponding author) / Pedroni, R. / Pentchev, L. / Peters, K. J. / Reinhold, J. / Ritchie, B. G. / Ritman, J. / Rodriguez, G. / Romanov, D. / Romero, C. / Saldana, K. / Salgado, C. / Schadmand, Susan / Schertz, A. M. / Schick, A. / Schmidt, A. / Schumacher, R. A. / Schwiening, J. / Sharp, P. / Shen, X. / Shepherd, M. R. / Smith, A. / Smith, E. S. / Sober, D. I. / Somov, A. / Somov, S. / Soto, O. / Stevens, J. R. / Strakovsky, I. I. / Sumner, B. / Suresh, K. / Tarasov, V. V. / Taylor, S. / Teymurazyan, A. / Thiel, A. / Vasileiadis, G. / Viducic, T. / Whitlatch, T. / Wickramaarachchi, N. / Williams, M. / Yang, Y. / Zarling, J. / Zhang, Z. / Zhao, Z. / Zhou, J. / Zhou, X. / Zhou, Q. / Zihlmann, B. / Glazier, D. I. / Mathieu, V.
Contributing Institute: Experimentelle Hadronstruktur; IKP-1
Published in: Physical review / C, 105 (2022) 3, S. 035201
Imprint: Woodbury, NY Inst. 2022
DOI: 10.1103/PhysRevC.105.035201
Document Type: Journal Article
Research Program: Cosmic Matter in the Laboratory
Link: OpenAccess
Publikationsportal JuSER
Please use the identifier: http://hdl.handle.net/2128/32507 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevC.105.035201 in citations.

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We report on the measurement of spin density matrix elements of the Λ(1520) in the photoproduction reaction γp→Λ(1520)K+, via its subsequent decay to K−p. The measurement was performed as part of the GlueX experimental program in Hall D at Jefferson Laboratory using a linearly polarized photon beam with Eγ=8.2GeV–8.8GeV. These are the first such measurements in this photon energy range. Results are presented in bins of momentum transfer squared, −(t−t0). We compare the results with a Reggeon exchange model and determine that natural exchange amplitudes are dominant in Λ(1520) photoproduction.

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