Search for a narrow baryonic state decaying to pK(S)(0) and (p)over-barK(S)(0) in deep inelastic scattering at HERA

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Abramowicz, H, Abt, I, Adamczyk, L, Adamus, M, Antonelli, S, Aushev, V, Behnke, O, Behrens, U, Bertolin, A, Bhadra, S et al (show 115 more authors) , Bloch, I, Boos, EG, Brock, I, Brook, NH, Brugnera, R, Bruni, A, Bussey, PJ, Caldwell, A, Capua, M, Catterall, CD, Chwastowski, J, Ciborowski, J, Ciesielski, R, Cooper-Sarkar, AM, Corradi, M, Dementiev, RK, Devenish, RCE, Dusini, S, Foster, B, Gach, G, Gallo, E, Garfagnini, A, Geiser, A, Gizhko, A, Gladilin, LK, Golubkov, Yu A, Grzelak, G, Guzik, M, Gwenlan, C, Hain, W, Hlushchenko, O, Hochman, D, Hori, R, Ibrahim, ZA, Iga, Y, Ishitsuka, M, Januschek, F, Jomhari, NZ, Kadenko, I, Kananov, S, Karshon, U, Kisielewska, D, Klanner, R, Klein, U ORCID: 0000-0001-7391-5330, Korzhavina, IA, Kotanski, A, Koetz, U, Kovalchuk, N, Kowalski, H, Krupa, B, Kuprash, O, Kuze, M, Levchenko, BB, Levy, A, Limentani, S, Lisovyi, M, Lobodzinska, E, Loehr, B, Lohrmann, E, Longhin, A, Lontkovskyi, D, Lukina, O Yu, Makarenko, I, Malka, J, Mastroberardino, A, Idris, F Mohamad, Nasir, N Mohammad, Myronenko, V, Nagano, K, Nobe, T, Nowak, RJ, Onishchuk, Yu, Paul, E, Perlanski, W, Pokrovskiy, NS, Polini, A, Przybycien, M, Roloff, P, Ruspa, M, Saxon, DH, Schioppa, M, Schneekloth, U, Schoerner-Sadenius, T, Shcheglova, LM, Shevchenko, R, Shkola, O, Shyrma, Yu, Singh, I, Skillicorn, IO, Slominski, 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, Abdullah, WAT Wan, Wichmann, K, Wing, M, Yamada, S, Yamazaki, Y, Zakharchuk, N, Zarnecki, AF, Zawiejski, L, Zenaiev, O, Zhautykov, BO and Zotkin, DS (2016) Search for a narrow baryonic state decaying to pK(S)(0) and (p)over-barK(S)(0) in deep inelastic scattering at HERA. PHYSICS LETTERS B, 759. pp. 446-453.

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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.

Item Type:	Article
Depositing User:	Symplectic Admin
Date Deposited:	27 Jan 2017 15:40
Last Modified:	19 Jan 2023 07:20
DOI:	10.1016/j.physletb.2016.06.001
Open Access URL:	https://arxiv.org/abs/1604.02220
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3005424