Search for a narrow baryonic state decaying to pKS0 and p[bar]KS0 in deep inelastic scattering at HERA

A search for a narrow baryonic state in the pKS0 and p‾KS0 system has been performed in ep collisions at HERA with the ZEUS detector using an integrated luminosity of 358pb−1 taken in 2003-2007. The search was performed with deep inelastic scattering events at an ep centre-of-mass energy of 318GeV f...

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Bibliographic Details
Main Authors: Abramowicz, Halina (Author) , Lisovyi, Mykhailo (Author)
Corporate Author: Deutsches Elektronen-Synchrotron, ZEUS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 7 June 2016
In: Physics letters
Year: 2016, Volume: 759, Pages: 446-453
ISSN:1873-2445
DOI:10.1016/j.physletb.2016.06.001
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2016.06.001
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269316302520
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Author Notes:ZEUS Collaboration*
Description
Summary:A search for a narrow baryonic state in the pKS0 and p‾KS0 system has been performed in ep collisions at HERA with the ZEUS detector using an integrated luminosity of 358pb−1 taken in 2003-2007. The search was performed with deep inelastic scattering events at an ep centre-of-mass energy of 318GeV for exchanged photon virtuality, Q2, between 20 and 100GeV2. Contrary to evidence presented for such a state around 1.52 GeV in a previous ZEUS analysis using a sample of 121 pb−1 taken in 1996-2000, no resonance peak was found in the p(p‾)KS0 invariant-mass distribution in the range 1.45-1.7 GeV. Upper limits on the production cross section are set.
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*ZEUS Collaboration: H. Abramowicz, M. Lisovyi [und 124 weitere Personen]
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Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2016.06.001