Measurement of Spin Density Matrix Elements in $\Lambda(1520)$ Photoproduction at 8.2-8.8 GeV

GlueX Collaboration; Kalicy, G.; Mizutani, K.; Ali, A.; Austregesilo, A.; Romanov, D.; Thiel, A.; Cole, S.; Hamdi, A.; Barbosa, F.; Hoffman, N. D.; Chudakov, E.; Ostrovidov, A. I.; Barriga, E.; Li, W. B.; Asaturyan, A.; Schmidt, A.; Whitlatch, T.; Jaegle, I.; Schadmand, S.; Crede, V.; Sharp, P.; Yang, Y.; Zhou, J.; Briscoe, W. J.; Hakobyan, H.; Dolgolenko, A.; Ito, M. M.; Khachatryan, V.; Viducic, T.; Furletov, S.; Baldwin, Z.; Sober, D. I.; Pentchev, L.; Schertz, A. M.; Peters, K. J.; Schick, A.; Somov, A.; Fanelli, C.; Brooks, W. K.; Eugenio, P.; Soto, O.; Beattie, T. D.; Lawrence, D.; Guo, L.; Dotel, R.; Ernst, A.; Somov, S.; Strakovsky, I. I.; Goryachev, V. S.; Mahmood, A.; Rodriguez, G.; Gasparian, A.; Wickramaarachchi, N.; Jones, R. T.; Marukyan, H.; Erbora, T.; Taylor, S.; Goetzen, K.; Gan, L.; Zarling, J.; Schwiening, J.; Luckas, K.; Kourkoumelis, C.; Zhou, X.; Neelamana, V.; Mathieu, V.; Li, H.; Black, T.; Zihlmann, B.; Teymurazyan, A.; McCracken, M.; Fegan, S.; Mack, D.; Tarasov, V. V.; Paudel, C.; Reinhold, J.; Livingston, K.; Kamel, M.; Huber, G. M.; Lyubovitskij, V.; Akondi, C. S.; Pauli, P.; Miskimen, R.; Foda, A. M.; Gleason, C.; Albrecht, M.; McCaughan, M.; Egiyan, H.; Dugger, M.; Kuleshov, S.; Ritman, J.; Sumner, B.; Smith, E. S.; Berdnikov, V. V.; Liu, B.; Williams, M.; Jarvis, N. S.; Ng, L.; Pedroni, R.; Romero, C.; Hernandez, J.; Shepherd, M. R.; Saldana, K.; Glazier, D. I.; Adhikari, S.; Cortes, O.; Stevens, J. R.; Mitchell, R. E.; Zhou, Q.; Larin, I.; Meyer, C. A.; Britton, T.; Gao, H.; Vasileiadis, G.; Dzhygadlo, R.; Barsotti, R.; Shen, X.; Smith, A.; Cole, P. L.; Salgado, C.; Fitches, J.; Barlow, J.; Zhang, Z.; Hagen, M.; Nerling, F.; Papandreou, Z.; Deur, A.; Hou, G.; Dalton, M. M.; Matveev, V.; LaDuke, A.; Dobbs, S.; Zhao, Z.; Schumacher, R. A.; Suresh, K.; Daniels, T.; Lolos, G. J.; Lersch, D. I.; Hurley, A.; Khatchatryan, M.; Kakoyan, V.; Boeglin, W.; Amaryan, M.; Ireland, D. G.; Ritchie, B. G.

Preprint

GSI-2021-01236

Measurement of Spin Density Matrix Elements in $\Lambda(1520)$ Photoproduction at 8.2-8.8 GeV

GlueX Collaboration ; 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. ; Pedroni, R. ; Pentchev, L. ; Peters, K. J. ; Reinhold, J. ; Ritchie, B. G. ; Ritman, J.GSI* ; Rodriguez, G. ; Romanov, D. ; Romero, C. ; Saldana, K. ; Salgado, C. ; Schadmand, S.GSI* ; Schertz, A. M. ; Schick, A. ; Schmidt, A. ; Schumacher, R. A. ; Schwiening, J.GSI* ; 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.

2021

Report No.: 2107.12314

Abstract: We report on the measurement of spin density matrix elements of the $\Lambda(1520)$ in the photoproduction reaction $\gamma p\rightarrow \Lambda(1520)K^+$, via its subsequent decay to $K^{-}p$. The measurement was performed as part of the GlueX experimental program in Hall D at Jefferson Lab using a linearly polarized photon beam with $E_\gamma =$ 8.2-8.8 GeV. These are the first such measurements in this photon energy range. Results are presented in bins of momentum transfer squared, $-(t-t_\text{0})$. We compare the results with a Reggeon exchange model and determine that natural exchange amplitudes are dominant in $\Lambda(1520)$ photoproduction.

Note: 11 pages, 8 figures

Contributing Institute(s):

Research Program(s):

612 - Cosmic Matter in the Laboratory (POF4-612) (POF4-612)

Experiment(s):

(GlueX Experiment at J-Lab ( - ; other))

Appears in the scientific report 2021

Database coverage:
Published

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Private Institutssammlungen > >WGF > >RED > HPD
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Linked articles:

Journal Article Adhikari, S. ; Akondi, C. S. ; Albrecht, M. ; et al
Measurement of spin density matrix elements in Λ(1520) photoproduction at 8.2–8.8 GeV
Physical review / C 105(3), 035201 (2022) [10.1103/PhysRevC.105.035201]2022 arXiv Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

Datensatz erzeugt am 2021-11-26, letzte Änderung am 2024-09-08

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