Search for charmed pentaquarks in high energy anti-neutrino interactions

Date

2007-02-12

Author

De Lellis, G.
Gueler, A. M.
Kawada, J.
Koese, U.
Sato, O.
Tramontano, F.

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The existence of a bound state of five quarks with (c) over bar content is still controversial. In this paper we focus on weakly decaying charmed pentaquarks and show how they can be searched for in high energy antineutrino interactions. By analyzing 2262 charged-current interactions with a muon of positive charge in the CHORUS detector, we performed a search for Theta(0)(c) production. Based on the null observation, the limit of Theta(0)(c) production is found as a function of different Theta(0)(c) lifetimes. The tightest bound is sigma(Theta c 0)/sigma((nu) over bar) < 0.039 at 90% C.L. for Theta(0)(c) lifetime equal to 0.5 tau(D)0. We outline also the excellent potentiality of such a search at a neutrino factory with an emulsion detector.

Subject Keywords

Nuclear and High Energy Physics

URI

https://hdl.handle.net/11511/68249

Journal

NUCLEAR PHYSICS B

DOI

https://doi.org/10.1016/j.nuclphysb.2006.11.025

Collections

Department of Physics, Article

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Citation Formats

G. De Lellis, A. M. Gueler, J. Kawada, U. Koese, O. Sato, and F. Tramontano, “Search for charmed pentaquarks in high energy anti-neutrino interactions,” NUCLEAR PHYSICS B, pp. 268–282, 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/68249.