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Journal article

Search for a narrow baryonic state decaying to pK0 S and pK0 S in deep inelastic scattering at HERA

Abstract:
A search for a narrow baryonic state in the pKS0 and pKS0 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.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.physletb.2016.06.001

Authors



Publisher:
Elsevier
Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics More from this journal
Volume:
759
Pages:
446-453
Publication date:
2016-08-10
Acceptance date:
2016-06-01
DOI:
ISSN:
0370-2693


Keywords:
Pubs id:
pubs:631548
UUID:
uuid:fe73496f-afed-41b1-b863-f1ec74f2d212
Local pid:
pubs:631548
Source identifiers:
631548
Deposit date:
2016-11-02

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