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1. Measurement of isolated photon production in deep inelastic ep scattering

Author

E. Hilger, W. Perlanski, Alexander Spiridonov, I. A. Melzer-Pellmann, Valentina Sola, L. Suszycki, F. Mohamad Idris, B. B. Levchenko, J. Ciborowski, N. Okazaki, U. Holm, B.Y. Oh, D. Gladkov, Francois Corriveau, I. Gialas, N.S. Pokrovskiy, Guenter Wolf, B. Brzozowska, J. Szuba, Manjit Kaur, Mykhailo Lisovyi, A. Kotański, A. Huettmann, A. Pellegrino, M.C.K. Mattingly, J. Malka, W. H. Smith, Mário Costa, Y. Ning, Anna Mastroberardino, Amanda Cooper-Sarkar, Iu. Sorokin, Alexander Tapper, L. S. Durkin, Claudia Glasman, V. Drugakov, A. Polini, R. Hamatsu, O. Bachynska, D. Lontkovskyi, Y. Eisenberg, F. Dal Corso, Peter Schleper, Thomas Schoerner-Sadenius, Luca Stanco, Lev Khein, Zhongliang Ren, Ewelina Lobodzinska, M. Adamus, U. Schneekloth, R. Walczak, M. Jimenez, G. Marini, Wolfram Dietrich Zeuner, A. Bamberger, V. Schoenberg, S. Kananov, S. Kitamura, Yuji Yamazaki, Igor Katkov, J. Tomaszewska, A. E. Nuncio-Quiroz, W. A. T. Wan Abdullah, Ada Solano, Giuseppe Barbagli, Katsuo Tokushuku, A. Verbytskyi, Allen Caldwell, S. Fourletov, S. Limentani, T. Namsoo, Iwona Grabowska-Bold, O. Zenaiev, Janusz Chwastowski, K. Olkiewicz, H. Wolfe, D. Kollar, Zainol Abidin Ibrahim, Marcella Capua, M. Derrick, T. Tymieniecka, I. Singh, A. Parenti, P. Stopa, M. Wlasenko, Af Zarnecki, Silvia Miglioranzi, D. Nicholass, D.D. Reeder, A. Antonov, Rainer Mankel, Hanno Perrey, N.N. Vlasov, Antonino Zichichi, R. Hori, W. Słomiński, Ulf Behrens, Federico Cindolo, H. Kowalski, Alessandro Bertolin, R. J. Nowak, I. Abt, R. Yoshida, Y. Onishchuk, Yu. A. Golubkov, U. Noor, Ramoona Shehzadi, P. Kooijman, E. Ron, B. Kahle, Fernando Barreiro, Anselmo Margotti, G. Sartorelli, J. Grebenyuk, W. Hain, A. Eskreys, J. Lukasik, S. Yamada, B. Musgrave, Tobias M. Haas, S. Bhadra, Jan Figiel, S.I. Suchkov, R.C.E. Devenish, P. Roloff, J. M. Pawlak, Roberto Carlin, G. Grigorescu, T. Tsurugai, Janna Katharina Behr, U. Karshon, O. Ota, H.-P. Jakob, Wolfgang Lohmann, A. Garfagnini, Matthew Forrest, M. Vázquez, D. Boscherini, G. Susinno, L. M. Shcheglova, R. Brugnera, Giuseppe Iacobucci, Masaki Ishitsuka, R. Ingbir, K. Horton, I. Kadenko, Kerstin Borras, V. A. Kuzmin, U. Samson, B. Loehr, Pawel Plucinski, P. Goettlicher, Dong-Chul Son, A. Keramidas, Ben Bylsma, D. Szuba, G. Hartner, I. M. Gregor, H. Hartmann, Rosario Nania, Didar Dobur, U. Koetz, I. Makarenko, Y.D. Ri, S. K. Boutle, O. Volynets, Ie. Korol, I. O. Skillicorn, K. Piotrzkowski, C. Blohm, J. Whyte, L. Zawiejski, M. Turcato, Kunihiro Nagano, P.F. Ermolov, T. Kanno, A. Contin, Alexander Savin, H. Tiecke, K. Wrona, B. Foster, S. De Pasquale, S. Dusini, Kenneth Long, G. D'Agostini, M. Juengst, G. Bari, J. Repond, T. Theedt, T. Y. Ling, A. G. Yaguees-Molina, N. Bruemmer, J. Y. Kim, Pietro Antonioli, Luisa Cifarelli, L. K. Gladilin, Robert Klanner, J. Maeda, Giovanna Bruni, I. A. Korzhavina, R. K. Dementiev, P. Kaur, James Ferrando, Alessandro Montanari, A. Stifutkin, J. de Favereau, N. Coppola, D. Notz, M. Basile, J. Del Peso, A. Raval, D.S. Zotkin, C. D. Catterall, T. W. Jones, A. Galas, Danuta Kisielewska, T. P. Stewart, C. Youngman, Matthew Wing, V. Aushev, B.O. Zhautykov, Uta Klein, A. Salii, D. Hochman, John Hart, B. Kamaluddin, S. Schlenstedt, P. J. Bussey, V. Sosnovtsev, K. Oliver, Sergei Chekanov, I. Rubinsky, Dirk-Uwe Bartsch, Marco Schioppa, S. Magill, P. G. Pelfer, A. Lee, L. Bellagamba, O. Yu. Lukina, B. Reisert, J. Sztuk, A. Longhin, F. J. Sciulli, Tomasz Bold, A. Nigro, Hartmut Stadie, C. Uribe-Estrada, H. Abramowicz, M. Arneodo, Marcello Bindi, M. Borodin, B. Pawlik, Robert Ciesielski, A. N. Barakbaev, M. Zolko, Vincenzo Monaco, E. Gallo, E. Brownson, A.G. Robertson, A. T. Doyle, A. Stern, Leszek Adamczyk, Mariusz Przybycien, M. Corradi, O. Behnke, P. Kulinski, J.H. Loizides, A.S. Proskuryakov, B. A. Dolgoshein, M.I. Ferrero, Edouard Boos, Achim Geiser, W. B. Schmidke, Juan Terron, O. Kuprash, S. Antonelli, K. Papageorgiu, F. Karstens, S. Fazio, Roberto Sacchi, J. Schwartz, G. Grzelak, M. Ruspa, Claire Gwenlan, F. Januschek, Vladyslav Libov, Ian Brock, T. Matsumoto, D. H. Saxon, A. Bruni, Enrico Tassi, J. J. Whitmore, Y. Iga, P. Luzniak, V. Viazlo, M. Kuze, E. Lohrmann, Jonathan Butterworth, S. CHEKANOV, M. DERRICK, S. MAGILL, B. MUSGRAVE, D. NICHOLASS, J. REPOND, R. YOSHIDA, M.C.K. MATTINGLY, P. ANTONIOLI, G. BARI, L. BELLAGAMBA, D. BOSCHERINI, A. BRUNI, G. BRUNI, F. CINDOLO, M. CORRADI, G. IACOBUCCI, A. MARGOTTI, R. NANIA, A. POLINI, S. ANTONELLI, M. BASILE, M. BINDI, L. CIFARELLI, A. CONTIN, S. DE PASQUALE, G. SARTORELLI, A. ZICHICHI, D. BARTSCH, I. BROCK, H. HARTMANN, E. HILGER, H.-P. JAKOB, M. JÜNGST, A.E. NUNCIO-QUIROZ, E. PAUL, U. SAMSON, V. SCHÖNBERG, R. SHEHZADI, M. WLASENKO, J.D. MORRIS, M. KAUR, P. KAUR, I. SINGH, M. CAPUA, S. FAZIO, A. MASTROBERARDINO, M. SCHIOPPA, G. SUSINNO, E. TASSI, J.Y. KIM, Z.A. IBRAHIM, F. MOHAMAD IDRIS, B. KAMALUDDIN, W.A.T. WAN ABDULLAH, Y. NING, Z. REN, F. SCIULLI, J. CHWASTOWSKI, A. ESKREYS, J. FIGIEL, A. GALAS, K. OLKIEWICZ, B. PAWLIK, P. STOPA, L. ZAWIEJSKI, L. ADAMCZYK, T. BOLD, I. GRABOWSKA-BOLD, D. KISIELEWSKA, J. LUKASIK, M. PRZYBYCIEN, L. SUSZYCKI, A. KOTANSKI, W. SLOMINSKI, O. BEHNKE, J. BEHR, U. BEHRENS, C. BLOHM, K. BORRAS, D. BOT, R. CIESIELSKI, N. COPPOLA, S. FANG, A. GEISER, P. GÖTTLICHER, J. GREBENYUK, I. GREGOR, O. GUTSCHE, T. HAAS, W. HAIN, A. HÜTTMANN, J. JANUSCHEK, B. KAHLE, I.I. KATKOV, U. KLEIN, U. KÖTZ, H. KOWALSKI, M. LISOVYI, E. LOBODZINSKA, B. LÖHR, R. MANKEL, I.-A. MELZER-PELLMANN, S. MIGLIORANZI, A. MONTANARI, T. NAMSOO, D. NOTZ, A. PARENTI, P. ROLOFF, I. RUBINSKY, U. SCHNEEKLOTH, A. SPIRIDONOV, D. SZUBA, J. SZUBA, T. THEEDT, G. WOLF, K. WRONA, A.G. YAGUES MOLINA, C. YOUNGMAN, W. ZEUNER, V. DRUGAKOV, W. LOHMANN, S. SCHLENSTEDT, G. BARBAGLI, E. GALLO, P. G. PELFER, A. BAMBERGER, D. DOBUR, F. KARSTENS, N.N. VLASOV, P.J. BUSSEY, A.T. DOYLE, M. FORREST, M. ROSIN, D.H. SAXON, I.O. SKILLICORN, I. GIALAS, K. PAPAGEORGIU, U. HOLM, R. KLANNER, E. LOHRMANN, H. PERREY, P. SCHLEPER, T. SCHORNER-SADENIUS, J. SZTUK, H.STADIE, M. TURCATO, K.R. LONG, A.D. TAPPER, T. MATSUMOTO, K. NAGANO, K. TOKUSHUKU, S. YAMADA, Y. YAMAZAKI, A.N. BARAKBAEV, E.G. BOOS, N.S. POKROVSKIY, B.O. ZHAUTYKOV, V. AUSHEV, O. BACHYNSKA, M. BORODIN, I. KADENKO, A. KOZULIA, V. LIBOV, D. LONTKOVSKYI, I. MAKARENKO, IU. SOROKIN, A. VERBYTSKYI, O. VOLYNETS, M. ZOLKO, D. SON, J. DE FAVEREAU, K. PIOTRZKOWSKI, F. BARREIRO, C. GLASMAN, M. JIMENEZ, J. DEL PESO, E. RON, J. TERRON, C. URIBE-ESTRADA, F. CORRIVEAU, J. SCHWARTZ, C. ZHOU, T. TSURUGAI, A. ANTONOV, B.A. DOLGOSHEIN, D. GLADKOV, V. SOSNOVTSEV, A. STIFUTKIN, S. SUCHKOV, R.K. DEMENTIEV, P.F.ERMOLOV, L.K. GLADILIN, YU.A. GOLUBKOV, L.A. KHEIN, I.A. KORZHAVINA, V.A.KUZMIN, B.B. LEVCHENKO, O.YU. LUKINA, A.S. PROSKURYAKOV, L.M. SHCHEGLOVA, D.S. ZOTKIN, I. ABT, A. CALDWELL, D. KOLLAR, B. REISERT, W.B. SCHMIDKE, G. GRIGORESCU, A. KERAMIDAS, E. KOFFEMAN, P. KOOIJMAN, A. PELLEGRINO, H. TIECKE, M. VÁZQUEZ, L. WIGGERS, N. BRÜMMER, B. BYLSMA, L.S. DURKIN, A. LEE, T.Y. LING, A.M. COOPER-SARKAR, R.C.E. DEVENISH, J. FERRANDO, B.FOSTER, C. GWENLAN, K. HORTON, K. OLIVER, A. ROBERTSON, R. WALCZAK, A. BERTOLIN, R. BRUGNERA, R. CARLIN, F. DAL CORSO, S. DUSINI, A. GARFAGNINI, S. LIMENTANI, A. LONGHIN, L. STANCO, B.Y. OH, A. RAVAL, J.J. WHITMORE, Y. IGA, G. D'AGOSTINI, G. MARINI, A. NIGRO, J.C. HART, H. ABRAMOWICZ, R. INGBIR, S. KANANOV, A. LEVY, A. STERN, M. ISHITSUKA, T. KANNO, M. KUZE, J. MAEDA, R. HORI, S. KAGAWA, N. OKAZAKI, S. SHIMIZU, T. TAWARA, R. HAMATSU, H. KAJI, S. KITAMURA, O. OTA, Y.D. RI, M.COSTA, M.I. FERRERO, V. MONACO, R. SACCHI, A. SOLANO, V. SOLA, M. ARNEODO, M. RUSPA, S. FOURLETOV, J.F. MARTIN, T.P. STEWART, S.K. BOUTLE, J.M. BUTTERWORTH, T.W. JONES, J.H. LOIZIDES, M. WING, B. BRZOZOWSKA, J. CIBOROWSKI, G. GRZELAK, P. KULINSKI, P. LUZNIAK, J. MALKA, R.J.NOWAK, J.M. PAWLAK, W. PERLANSKI, T. TYMIENIECKA, A.F. ZARNECKI, M. ADAMUS, P. PLUCINSKI, Y. EISENBERG, D. HOCHMAN, U. KARSHON, E. BROWNSON, D.D. REEDER, A.A. SAVIN, W.H. SMITH, H. WOLFE, S. BHADRA, C.D. CATTERALL, G. HARTNER, U. NOOR, J. WHYTE, and Zeus (IHEF, IoP, FNWI)

Subjects
Nuclear and High Energy Physics, Particle physics, Photon, Astrophysics::High Energy Astrophysical Phenomena, Monte Carlo method, HERA, Isolated photon, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), High Energy Physics, ZEUS Collaboration, 0103 physical sciences, ddc:530, 010306 general physics, Nuclear Experiment, Physics, DIS, ZEUS (particle detector), Luminosity (scattering theory), 010308 nuclear & particles physics, Scattering, Photon emission, Perturbative QCD, Pseudorapidity, High Energy Physics::Experiment, Quark radiation
Abstract

Isolated photon production in deep inelastic ep scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 320pb^-1. Measurements were made in the isolated-photon transverse-energy and pseudorapidity ranges 4 < E_T < 15 GeV and -0.7 < eta < 0.9 for exchanged photon virtualities, Q^2, in the range 10 < Q^2 < 350 GeV and for invariant masses of the hadronic system W_X> 5 GeV. Differential cross sections are presented for inclusive isolated photon production as functions of Q^2, x, E_T and eta. Leading-logarithm parton-shower Monte Carlo simulations and perturbative QCD predictions give a reasonable description of the data over most of the kinematic range., 23 pages, 5 figures (15 subfigures)

Published
2010

2. Presence, infectivity, and stability of enteric viruses in seawater: relationship to marine water quality in the Florida Keys.

Author

Wetz JJ, Lipp EK, Griffin DW, Lukasik J, Wait D, Sobsey MD, Scott TM, and Rose JB

Subjects
Enterobacteriaceae physiology, Florida, Reverse Transcriptase Polymerase Chain Reaction, Seawater microbiology, Temperature, Viral Plaque Assay, Poliovirus pathogenicity, Poliovirus physiology, RNA, Viral genetics, Seawater virology
Abstract

Concerns about the presence of enteric viruses in the surface waters of the Florida Keys prompted analyses of virus stability and persistence in these waters. In an in vitro study we evaluated the survival of poliovirus and stability of viral RNA in filtered natural seawater (FSW), unfiltered natural seawater (USW), artificial seawater (ASW) and DI water. This study compared cell culture infectivity with direct reverse transcription-polymerase chain reaction analysis. Attenuated poliovirus was seeded in the above water types and incubated in the dark at 22 and 30 degrees C for 60 days. At 22 degrees C, enhanced poliovirus survival and enhanced detection of viral RNA was observed in the seeded DI water control, artificial seawater and FSW samples. Detection of viruses in unfiltered seawater decreased rapidly at both temperatures by both methods of detection, suggesting that in the natural environment detection of enteroviral RNA may indicate a recent contamination event. In addition, in situ sampling in the Florida Keys during the late winter of 2000 revealed the presence of infectious enteroviruses at two sites and no sites exceeded recommended levels of microbial water quality indicators (enterococci or fecal coliform bacteria).

Published
2004
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3. Reduction of poliovirus 1, bacteriophages, Salmonella montevideo, and Escherichia coli O157:H7 on strawberries by physical and disinfectant washes.

Author

Lukasik J, Bradley ML, Scott TM, Dea M, Koo A, Hsu WY, Bartz JA, and Farrah SR

Subjects
Bacteriophages drug effects, Bacteriophages growth & development, Dose-Response Relationship, Drug, Escherichia coli O157 drug effects, Escherichia coli O157 growth & development, Food Microbiology, Fragaria virology, Humans, Poliovirus drug effects, Poliovirus growth & development, Salmonella drug effects, Salmonella growth & development, Temperature, Treatment Outcome, Water pharmacology, Consumer Product Safety, Disinfectants pharmacology, Disinfection methods, Fragaria microbiology
Abstract

The efficacy levels of different physical and chemical washing treatments in the reduction of viral and bacterial pathogens from inoculated strawberries were evaluated. Escherichia coli O157:H7, Salmonella Montevideo, poliovirus 1, and the bacteriophages PRD1, phiX174, and MS2 were used as model and surrogate organisms. Chemicals readily available to producers and/or consumers were evaluated as antimicrobial additives for the production of washes. The gentle agitation of contaminated strawberries in water for 2 min led to reductions in microbial populations ranging from 41 to 79% and from 62 to 90% at water temperatures of 22 and 43 degrees C, respectively. Significant reductions (> 98%) in numbers of bacteria and viruses were obtained with sodium hypochlorite (50 to 300 ppm of free chlorine), Oxine or Carnebon (200 ppm of product generating "stabilized chlorine dioxide"), Tsunami (100 ppm of peroxyacetic acid), and Alcide (100 or 200 ppm of acidified sodium chlorite) washes. Overall, 200 ppm of acidified sodium chlorite produced the greatest reductions of microorganisms. Hydrogen peroxide (0.5%) was slightly less effective than free chlorine in a strawberry wash and caused slight fruit discoloration. Cetylpyridinium chloride (0.1%) was effective in the reduction of bacterial species, while trisodium phosphate (1%) was effective against viruses. The consumer-oriented produce wash Fit was very effective (> 99%) in reducing the numbers of bacteria but not in reducing the numbers of viruses. Another wash, Healthy Harvest, was significantly less effective than Fit in reducing bacterial pathogens but more effective for viruses. The performance of automatic dishwashing detergent was similar to that of Healthy Harvest and significantly better than that of liquid dishwashing detergent. Solutions containing table salt (2% NaCl) or vinegar (10%) reduced the numbers of bacteria by about 90%, whereas only the vinegar wash reduced the numbers of viruses significantly (ca. 95%).

Published
2003
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4. Preliminary evidence for human fecal contamination in corals of the Florida Keys, USA.

Author

Lipp EK, Jarrell JL, Griffin DW, Lukasik J, Jacukiewicz J, and Rose JB

Subjects
Animals, Clostridium perfringens isolation & purification, DNA, Viral analysis, Enterobacteriaceae isolation & purification, Enterococcus isolation & purification, Environmental Monitoring, Florida, Humans, Risk Assessment, Water Microbiology, Anthozoa microbiology, Enterovirus isolation & purification, Feces microbiology, Public Health
Abstract

Corals and reef environments are under increased stress from anthropogenic activities, particularly those in the vicinity of heavily populated areas such as the Florida Keys. The potential adverse impacts of wastewater can affect both the environment and human health; however, because of the high decay rate of bacterial indicators in coral reef waters it has been difficult to document the presence of microbial contaminants and to assign risks in these environments. Here we show initial evidence that microorganisms associated with human feces are concentrated along the surface of coral heads relative to the overlying water column in the Florida Keys. Bacterial indicators (fecal coliform bacteria, enterococci or Clostridium perfringens) were detected in 66.7% of the coral surface microlayer (CSM) samples at levels between five and 1000 CFU/100 ml, but were found infrequently and at low numbers in the overlying water column ( < or = 2.5 CFU/100 ml). Similarly, enterovirus nucleic acid sequences, an indicator of human-specific waste, were detected in 93.3% of the CSM samples and only once in the water column by cell culture. Results show that coral mucus may accumulate enteric microorganisms in reef environments, and may indicate a risk to public and environmental health despite low indicator levels in the surrounding water.

Published
2002
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5. Elution, detection, and quantification of polio I, bacteriophages, Salmonella montevideo, and Escherichia coli O157:H7 from seeded strawberries and tomatoes.

Author

Lukasik J, Bradley ML, Scott TM, Hsu WY, Farrah SR, and Tamplin ML

Subjects
Bacteriological Techniques, Bacteriophages growth & development, Colony Count, Microbial, Culture Media, Escherichia coli O157 growth & development, Fruit virology, Solanum lycopersicum virology, Poliovirus growth & development, Salmonella growth & development, Bacteriophages isolation & purification, Escherichia coli O157 isolation & purification, Fruit microbiology, Solanum lycopersicum microbiology, Poliovirus isolation & purification, Salmonella isolation & purification
Abstract

This study compared the effect of different physical and chemical treatments of strawberries and tomatoes to determine their ability to recover seeded viral and bacterial pathogens from produce surfaces. Solutions of salts, amino acids, complex media, and detergents were compared as eluants. Phosphate-buffered saline (PBS) containing 0.1% Tween 80 eluted the highest number of seeded microorganisms. Elution with this defined solution was then compared under different conditions of physical agitation. Rotary shaking for 20 min at 36 degrees C eluted higher numbers of viruses and bacteria than did low- or high-speed stomaching. Commercially available and laboratory prepared bacteriological differential media were compared for their ability to recover and distinguish eluted Salmonella Montevideo and Escherichia coli O157:H7 strains from seeded produce. The recovery of seeded bacterial pathogens was low when differential media containing selective ingredients were used (MacConkey sorbitol agar, XLD agar, MacConkey agar). Highest recoveries were obtained on a medium consisting of tryptic soy agar supplemented with sodium thiosulfate and ferric ammonium citrate compared with selective media that inhibited up to 50% of the growth of the eluted microorganisms.

Published
2001
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