Physics Letters B (Aug 2016)
Search for a narrow baryonic state decaying to pKS0 and p‾KS0 in deep inelastic scattering at HERA
- H. Abramowicz,
- I. Abt,
- L. Adamczyk,
- M. Adamus,
- S. Antonelli,
- V. Aushev,
- O. Behnke,
- U. Behrens,
- A. Bertolin,
- S. Bhadra,
- I. Bloch,
- E.G. Boos,
- I. Brock,
- N.H. Brook,
- R. Brugnera,
- A. Bruni,
- P.J. Bussey,
- A. Caldwell,
- M. Capua,
- C.D. Catterall,
- J. Chwastowski,
- J. Ciborowski,
- R. Ciesielski,
- A.M. Cooper-Sarkar,
- M. Corradi,
- R.K. Dementiev,
- R.C.E. Devenish,
- S. Dusini,
- B. Foster,
- G. Gach,
- E. Gallo,
- A. Garfagnini,
- A. Geiser,
- A. Gizhko,
- L.K. Gladilin,
- Yu.A. Golubkov,
- G. Grzelak,
- M. Guzik,
- C. Gwenlan,
- W. Hain,
- O. Hlushchenko,
- D. Hochman,
- R. Hori,
- Z.A. Ibrahim,
- Y. Iga,
- M. Ishitsuka,
- F. Januschek,
- N.Z. Jomhari,
- I. Kadenko,
- S. Kananov,
- U. Karshon,
- P. Kaur,
- D. Kisielewska,
- R. Klanner,
- U. Klein,
- I.A. Korzhavina,
- A. Kotański,
- U. Kötz,
- N. Kovalchuk,
- H. Kowalski,
- B. Krupa,
- O. Kuprash,
- M. Kuze,
- B.B. Levchenko,
- A. Levy,
- S. Limentani,
- M. Lisovyi,
- E. Lobodzinska,
- B. Löhr,
- E. Lohrmann,
- A. Longhin,
- D. Lontkovskyi,
- O.Yu. Lukina,
- I. Makarenko,
- J. Malka,
- A. Mastroberardino,
- F. Mohamad Idris,
- N. Mohammad Nasir,
- V. Myronenko,
- K. Nagano,
- T. Nobe,
- R.J. Nowak,
- Yu. Onishchuk,
- E. Paul,
- W. Perlański,
- N.S. Pokrovskiy,
- A. Polini,
- M. Przybycień,
- P. Roloff,
- M. Ruspa,
- D.H. Saxon,
- M. Schioppa,
- U. Schneekloth,
- T. Schörner-Sadenius,
- L.M. Shcheglova,
- R. Shevchenko,
- O. Shkola,
- Yu. Shyrma,
- I. Singh,
- I.O. Skillicorn,
- W. Słomiński,
- A. Solano,
- L. Stanco,
- N. Stefaniuk,
- A. Stern,
- P. Stopa,
- J. Sztuk-Dambietz,
- E. Tassi,
- K. Tokushuku,
- J. Tomaszewska,
- T. Tsurugai,
- M. Turcato,
- O. Turkot,
- T. Tymieniecka,
- A. Verbytskyi,
- W.A.T. Wan Abdullah,
- K. Wichmann,
- M. Wing,
- S. Yamada,
- Y. Yamazaki,
- N. Zakharchuk,
- A.F. Żarnecki,
- L. Zawiejski,
- O. Zenaiev,
- B.O. Zhautykov,
- D.S. Zotkin
Affiliations
- H. Abramowicz
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv University, Tel Aviv, Israel
- I. Abt
- Max-Planck-Institut für Physik, München, Germany
- L. Adamczyk
- AGH–University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland
- M. Adamus
- National Centre for Nuclear Research, Warsaw, Poland
- S. Antonelli
- University and INFN Bologna, Bologna, Italy
- V. Aushev
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- O. Behnke
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- U. Behrens
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- A. Bertolin
- INFN Padova, Padova, Italy
- S. Bhadra
- Department of Physics, York University, Ontario, M3J 1P3, Canada
- I. Bloch
- Deutsches Elektronen-Synchrotron DESY, Zeuthen, Germany
- E.G. Boos
- Institute of Physics and Technology of Ministry of Education and Science of Kazakhstan, Almaty, Kazakhstan
- I. Brock
- Physikalisches Institut der Universität Bonn, Bonn, Germany
- N.H. Brook
- Physics and Astronomy Department, University College London, London, United Kingdom
- R. Brugnera
- Dipartimento di Fisica e Astronomia dell' Università and INFN, Padova, Italy
- A. Bruni
- INFN Bologna, Bologna, Italy
- P.J. Bussey
- School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
- A. Caldwell
- Max-Planck-Institut für Physik, München, Germany
- M. Capua
- Calabria University, Physics Department and INFN, Cosenza, Italy
- C.D. Catterall
- Department of Physics, York University, Ontario, M3J 1P3, Canada
- J. Chwastowski
- The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
- J. Ciborowski
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- R. Ciesielski
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- A.M. Cooper-Sarkar
- Department of Physics, University of Oxford, Oxford, United Kingdom
- M. Corradi
- INFN Bologna, Bologna, Italy
- R.K. Dementiev
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- R.C.E. Devenish
- Department of Physics, University of Oxford, Oxford, United Kingdom
- S. Dusini
- INFN Padova, Padova, Italy
- B. Foster
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- G. Gach
- AGH–University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland
- E. Gallo
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- A. Garfagnini
- Dipartimento di Fisica e Astronomia dell' Università and INFN, Padova, Italy
- A. Geiser
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- A. Gizhko
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- L.K. Gladilin
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- Yu.A. Golubkov
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- G. Grzelak
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- M. Guzik
- AGH–University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland
- C. Gwenlan
- Department of Physics, University of Oxford, Oxford, United Kingdom
- W. Hain
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- O. Hlushchenko
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- D. Hochman
- Department of Particle Physics and Astrophysics, Weizmann Institute, Rehovot, Israel
- R. Hori
- Institute of Particle and Nuclear Studies, KEK, Tsukuba, Japan
- Z.A. Ibrahim
- National Centre for Particle Physics, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- Y. Iga
- Polytechnic University, Tokyo, Japan
- M. Ishitsuka
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- F. Januschek
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- N.Z. Jomhari
- National Centre for Particle Physics, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- I. Kadenko
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- S. Kananov
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv University, Tel Aviv, Israel
- U. Karshon
- Department of Particle Physics and Astrophysics, Weizmann Institute, Rehovot, Israel
- P. Kaur
- Panjab University, Department of Physics, Chandigarh, India
- D. Kisielewska
- AGH–University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland
- R. Klanner
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- U. Klein
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- I.A. Korzhavina
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- A. Kotański
- Department of Physics, Jagellonian University, Krakow, Poland
- U. Kötz
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- N. Kovalchuk
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- H. Kowalski
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- B. Krupa
- The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
- O. Kuprash
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- M. Kuze
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- B.B. Levchenko
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- A. Levy
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv University, Tel Aviv, Israel
- S. Limentani
- Dipartimento di Fisica e Astronomia dell' Università and INFN, Padova, Italy
- M. Lisovyi
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- E. Lobodzinska
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- B. Löhr
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- E. Lohrmann
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- A. Longhin
- INFN Padova, Padova, Italy
- D. Lontkovskyi
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- O.Yu. Lukina
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- I. Makarenko
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- J. Malka
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- A. Mastroberardino
- Calabria University, Physics Department and INFN, Cosenza, Italy
- F. Mohamad Idris
- National Centre for Particle Physics, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- N. Mohammad Nasir
- National Centre for Particle Physics, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- V. Myronenko
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- K. Nagano
- Institute of Particle and Nuclear Studies, KEK, Tsukuba, Japan
- T. Nobe
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- R.J. Nowak
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- Yu. Onishchuk
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- E. Paul
- Physikalisches Institut der Universität Bonn, Bonn, Germany
- W. Perlański
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- N.S. Pokrovskiy
- Institute of Physics and Technology of Ministry of Education and Science of Kazakhstan, Almaty, Kazakhstan
- A. Polini
- INFN Bologna, Bologna, Italy
- M. Przybycień
- AGH–University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland
- P. Roloff
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- M. Ruspa
- Università del Piemonte Orientale, Novara, and INFN, Torino, Italy
- D.H. Saxon
- School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
- M. Schioppa
- Calabria University, Physics Department and INFN, Cosenza, Italy
- U. Schneekloth
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- T. Schörner-Sadenius
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- L.M. Shcheglova
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- R. Shevchenko
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- O. Shkola
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- Yu. Shyrma
- Institute for Nuclear Research, National Academy of Sciences, Kyiv, Ukraine
- I. Singh
- Panjab University, Department of Physics, Chandigarh, India
- I.O. Skillicorn
- School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
- W. Słomiński
- Department of Physics, Jagellonian University, Krakow, Poland
- A. Solano
- Università di Torino and INFN, Torino, Italy
- L. Stanco
- INFN Padova, Padova, Italy
- N. Stefaniuk
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- A. Stern
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv University, Tel Aviv, Israel
- P. Stopa
- The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
- J. Sztuk-Dambietz
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- E. Tassi
- Calabria University, Physics Department and INFN, Cosenza, Italy
- K. Tokushuku
- Institute of Particle and Nuclear Studies, KEK, Tsukuba, Japan
- J. Tomaszewska
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- T. Tsurugai
- Meiji Gakuin University, Faculty of General Education, Yokohama, Japan
- M. Turcato
- Hamburg University, Institute of Experimental Physics, Hamburg, Germany
- O. Turkot
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- T. Tymieniecka
- National Centre for Nuclear Research, Warsaw, Poland
- A. Verbytskyi
- Max-Planck-Institut für Physik, München, Germany
- W.A.T. Wan Abdullah
- National Centre for Particle Physics, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- K. Wichmann
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- M. Wing
- Physics and Astronomy Department, University College London, London, United Kingdom
- S. Yamada
- Institute of Particle and Nuclear Studies, KEK, Tsukuba, Japan
- Y. Yamazaki
- Institute of Particle and Nuclear Studies, KEK, Tsukuba, Japan
- N. Zakharchuk
- Department of Nuclear Physics, National Taras Shevchenko University of Kyiv, Kyiv, Ukraine
- A.F. Żarnecki
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- L. Zawiejski
- The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
- O. Zenaiev
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- B.O. Zhautykov
- Institute of Physics and Technology of Ministry of Education and Science of Kazakhstan, Almaty, Kazakhstan
- D.S. Zotkin
- Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
- DOI
- https://doi.org/10.1016/j.physletb.2016.06.001
- Journal volume & issue
-
Vol. 759,
no. C
pp. 446 – 453
Abstract
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.
