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Título: | Search for the exotic Θ(+) resonance in the NOMAD experiment |
Autor: | Cervera Villanueva, Anselmo CSIC; Gómez Cadenas, Juan José CSIC ORCID; Hernando, José Ángel CSIC ORCID; Samoylov, O.; NOMAD Collaboration | Palabras clave: | Transition Radiation Detector Charged Current Interactions Electromagnetic calorimeters Positive-strangeness Photoproduction |
Fecha de publicación: | 24-oct-2006 | Editor: | Società Italiana di Fisica Springer Nature |
Citación: | European Physical Journal C 49(2): 499-510 (2007) | Resumen: | A search for exotic Θ(+) baryon via Θ(+) -> p + K-S(0) decay mode in the NOMAD v(μ)N data is reported. The special background generation procedure was developed. The proton identification criteria are tuned to maximize the sensitivity to the Θ(+) signal as a function of x(F) which allows to study the Θ(+) production mechanism. We do not observe any evidence for the Θ(+) state in the NOMAD data. We provide an upper limit on Θ(+) production rate at 90% CL as 2.13 x 10(-3) per neutrino interaction. | Descripción: | 12 pages, 16 figures.-- PACS nrs.: 13.15.+g; 13.60.Le; 13.87.Fh; 14.40.Ev.-- ISI Article Identifier: 000243973100007.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ex/0612063.-- et al. Printed version published in Jan 2007. |
Versión del editor: | http://dx.doi.org/10.1140/epjc/s10052-006-0080-y | URI: | http://hdl.handle.net/10261/9082 | DOI: | 10.1140/epjc/s10052-006-0080-y | ISSN: | 1434-6044 | E-ISSN: | 1434-6052 |
Aparece en las colecciones: | (IFIC) Artículos |
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Search_exotic_theta_resonance.pdf | 1,09 MB | Adobe PDF | Visualizar/Abrir |
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