Exclusive Photoproduction of the Cascade Ξ Hyperons

Authors

H. Bagdasaryan, Old Dominion University
M. Bektasoglu, Old Dominion University
K. V. Dharmawardane, Old Dominion University
G. E. Dodge, Old Dominion UniversityFollow
T. A. Forest, Old Dominion University
G. Gavalian, Old Dominion University
N. Guler, Old Dominion University
C. E. Hyde-Wright, Old Dominion UniversityFollow
A. V. Klimenko, Old Dominion University
S. E. Kuhn, Old Dominion UniversityFollow
L. M. Qin, Old Dominion University
L. B. Weinstein, Old Dominion UniversityFollow
J. Yun, Old Dominion University
et al.
CLAS Collaboration

Document Type

Article

Publication Date

2005

DOI

10.1103/PhysRevC.71.058201

Publication Title

Physical Review C

Volume

71

Issue

5

Pages

1-5

Abstract

We report on the first measurement of exclusive Ξ^-(1321) hyperon photoproduction in 𝛾p → K⁺K⁺Ξ^- for 3.2 < E𝛾 < 3.9 GeV. The final state is identified by the missing mass in p(𝛾,K⁺K⁺)X measured with the CLAS detector at Jefferson Laboratory. We have detected a significant number of the ground state Ξ^-(1321)1/2⁺ and have estimated the total cross section for its production. We also have strong evidence for the first excited state Ξ^-(1530)3/2⁺. Photoproduction provides a copious source of Ξ's. We discuss the possibilities of a search for the recently proposed Ξ₅^- and Ξ₅⁺ pentaquarks.

Comments

© 2005 American Physical Society

"Yes, the author or the author's employer may use all or part of the APS published article, including the APS-prepared version (e.g., the PDF from the online journal) without revision or modification, on the author's or employer's website as long as a fee is not charged. If a fee is charged, then APS permission must be sought. In all cases, the appropriate bibliographic citation and notice of the APS copyright must be included."

Publisher's version available at: https://doi.org/10.1103/PhysRevC.71.058201

Original Publication Citation

Dodge, G.E., Hyde-Wright, C.E., Kuhn, S.E., Weinstein, L.B., Yun, J., et al., CLAS Collaboration (2005). Exclusive photoproduction of the cascade Ξ hyperons. Physical Review C, 71(5), 1-5, Article 058201. https://doi.org/10.1103/PhysRevC.71.058201

ORCID

0000-0003-1582-2376 (Dodge), 0000-0001-7282-8120 (Hyde-Wright), 0000-0003-2243-6836 (Kuhn)

Repository Citation

Bagdasaryan, H.; Bektasoglu, M.; Dharmawardane, K. V.; Dodge, G. E.; Forest, T. A.; Gavalian, G.; Guler, N.; Hyde-Wright, C. E.; Klimenko, A. V.; Kuhn, S. E.; Qin, L. M.; Weinstein, L. B.; Yun, J.; et al.; and CLAS Collaboration, "Exclusive Photoproduction of the Cascade Ξ Hyperons" (2005). Physics Faculty Publications. 498.
https://digitalcommons.odu.edu/physics_fac_pubs/498