Search for a narrow baryonic state decaying to pKS0 and p‾KS0 in deep inelastic scattering at HERA
- Abramowicz, H.
- Abt, I.
- Adamczyk, L.
- Adamus, M.
- Antonelli, S.
- Aushev, V.
- Behnke, O.
- Behrens, U.
- Bertolin, A.
- Bhadra, S.
- Bloch, I.
- Boos, E.G.
- Brock, I.
- Brook, N.H.
- Brugnera, R.
- Bruni, A.
- Bussey, P.J.
- Caldwell, A.
- Capua, M.
- Catterall, C.D.
- Chwastowski, J.
- Ciborowski, J.
- Ciesielski, R.
- Cooper-Sarkar, A.M.
- Corradi, M.
- Dementiev, R.K.
- Devenish, R.C.E.
- Dusini, S.
- Foster, B.
- Gach, G.
- Gallo, E.
- Garfagnini, A.
- Geiser, A.
- Gizhko, A.
- Gladilin, L.K.
- Golubkov, Yu.A.
- Grzelak, G.
- Guzik, M.
- Gwenlan, C.
- Hain, W.
- Hlushchenko, O.
- Hochman, D.
- Hori, R.
- Ibrahim, Z.A.
- Iga, Y.
- Ishitsuka, M.
- Januschek, F.
- Jomhari, N.Z.
- Kadenko, I.
- Kananov, S.
- Karshon, U.
- Kaur, P.
- Kisielewska, D.
- Klanner, R.
- Klein, U.
- Korzhavina, I.A.
- Kotański, A.
- Kötz, U.
- Kovalchuk, N.
- Kowalski, H.
- Krupa, B.
- Kuprash, O.
- Kuze, M.
- Levchenko, B.B.
- Levy, A.
- Limentani, S.
- Lisovyi, M.
- Lobodzinska, E.
- Löhr, B.
- Lohrmann, E.
- Longhin, A.
- Lontkovskyi, D.
- Lukina, O.Yu.
- Makarenko, I.
- Malka, J.
- Mastroberardino, A.
- Mohamad Idris, F.
- Mohammad Nasir, N.
- Myronenko, V.
- Nagano, K.
- Nobe, T.
- Nowak, R.J.
- Onishchuk, Yu.
- Paul, E.
- Perlański, W.
- Pokrovskiy, N.S.
- Polini, A.
- Przybycień, M.
- Roloff, P.
- Ruspa, M.
- Saxon, D.H.
- Schioppa, M.
- Schneekloth, U.
- Schörner-Sadenius, T.
- Shcheglova, L.M.
- Shevchenko, R.
- Shkola, O.
- Shyrma, Yu.
- Singh, I.
- Skillicorn, I.O.
- Słomiński, W.
- Solano, A.
- Stanco, L.
- Stefaniuk, N.
- Stern, A.
- Stopa, P.
- Sztuk-Dambietz, J.
- Tassi, E.
- Tokushuku, K.
- Tomaszewska, J.
- Tsurugai, T.
- Turcato, M.
- Turkot, O.
- Tymieniecka, T.
- Verbytskyi, A.
- Wan Abdullah, W.A.T.
- Wichmann, K.
- Wing, M.
- Yamada, S.
- Yamazaki, Y.
- Zakharchuk, N.
- Żarnecki, A.F.
- Zawiejski, L.
- Zenaiev, O.
- Zhautykov, B.O.
- Zotkin, D.S.
Publication date
August 2016
DOI Publisher
The Author(s). Published by Elsevier B.V.Abstract
AbstractA 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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