Measurement of spin density matrix elements in Λ(1520) photoproduction at 8.2-8.8 GeV; Physical Review C; Vol. 105, iss. 3

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Parent link:Physical Review C: nuclear physics
Vol. 105, iss. 3.— 2022.— [035201, 10 p.]
Ente Autore: Национальный исследовательский Томский политехнический университет Школа базовой инженерной подготовки Отделение математики и информатики
Altri autori: Adhikari Sh. Shankar, Akondi C. S., Albrecht M., Ali A., Lyubovitskiy (Lyubovitskij) V. E. Valery Efimovich
Riassunto:Title screen
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.
Lingua:inglese
Pubblicazione: 2022
Soggetti:
Accesso online:https://doi.org/10.1103/PhysRevC.105.035201
Natura: Elettronico Capitolo di libro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669440

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