Document Type

Article

Publication Date

2021

DOI

10.1103/PhysRevC.103.025206

Publication Title

Physical Review C

Volume

103

Issue

2

Pages

1-14

Abstract

The reaction 𝛾p → K+Λ (1520) using photoproduction data from the CLAS g12 experiment at Jefferson Lab is studied. The decay of Λ(1520) into two exclusive channels, Σπ+π- and Σ-π+, is studied from the detected K+, π+, and π- particles. A good agreement is established for the Λ(1520) differential cross sections with the previous CLAS measurements. The differential cross sections as a function of center-of-mass angle are extended to higher photon energies. Newly added are the differential cross sections as a function of invariant four-momentum transfer t, which is the natural variable to use for a theoretical model based on a Regge-exchange reaction mechanism. No new N* resonances decaying into the K+Λ (1520) final state are found.

Comments

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Publisher's version available at: https://doi.org/10.1103/PhysRevC.103.025206

Original Publication Citation

Adhikari, K.P., Amaryan, M.J., Gavalian, G., Hattawy, M., Prok, Y., et al., The CLAS Collaboration (2021). Differential cross sections for Λ (1520) using photoproduction at CLAS. Physical Review C, 103(2), 1-14, Article 025206. https://doi.org/10.1103/PhysRevC.103.025206

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