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101. Performance of the neutron time-of-flight facility n_TOF at CERN

Author: F. Bečvář, M. Mirea, Yacine Kadi, P. Vaz, L. Audouin, M. B. Gómez-Hornillos, Carlos Guerrero, M. P. W. Chin, Alberto Ventura, Peter Schillebeeckx, N. Dzysiuk, Kathrin Göbel, Petar Žugec, H. Leeb, A. Manousos, F. Roman, Alfredo Ferrari, P. M. Milazzo, J. Perkowski, E. Chiaveri, C. Lampoudis, Srinivasan Ganesan, M. A. Cortés-Giraldo, D. Cano-Ott, A. J. M. Plompen, S. Altstadt, G. Giubrone, R. Versaci, J. Billowes, Mario Weigand, G. Tagliente, A. Pavlik, C. Domingo-Pardo, Fabio Belloni, A. Hernández-Prieto, A. R. García, M. Sabaté-Gilarte, F. Mingrone, J. Andrzejewski, V. Bécares, Mario Barbagallo, E. Jericha, M. Kokkoris, F. Gunsing, T. J. Wright, Rugard Dressler, M. Brugger, Dorothea Schumann, Carlo Rubbia, J. L. Tain, C. Langer, V. Vlachoudis, M. Meaze, Rene Reifarth, Jeri Kroll, M. Diakaki, Cristian Massimi, V. Boccone, Patrick Steinegger, W. Mondalaers, Stefan Schmidt, E. Mendoza, R. Sarmento, J. M. Quesada, E. Berthoumieux, Javier Praena, E. Leal-Cidoncha, A. Tsinganis, D. G. Jenkins, Laurent Tassan-Got, C. Eleftheriadis, I. Goncalves, T. Papaevangelou, Thomas Rauscher, M. Mastromarco, Nicola Colonna, L.S. Leong, C. Carrapiço, Anton Wallner, P. E. Koehler, D. Karadimos, C. Paradela, A. K. Saxena, M. J. Vermeulen, Roberto Losito, F. Cerutti, S. Valenta, I. Duran, Alberto Mengoni, Marco Calviani, C. Weiß, R. Vlastou, T. Ware, Damir Bosnar, E. Griesmayer, V. Variale, A. Riego, C. Lederer, F. Käppeler, N. Kivel, P. Gurusamy, G. Vannini, G. Cortes, D. Tarrío, T. Martinez, E. Gonzalez-Romero, K. Fraval, J. Marganiec, S. Andriamonje, P. F. Mastinu, M. Krtička, F. Calviño, Ventura, A., Mengoni, A., Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, nTOF, Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Guerrero C., Tsinganis A., Berthoumieux E., Barbagallo M., Belloni F., Gunsing F., Weiss C., Chiaveri E., Calviani M., Vlachoudis V., Altstadt S., Andriamonje S., Andrzejewski J., Audouin L., Bécares V., Becvar F., Billowes J., Boccone V., Bosnar D., Brugger M., Calvino F., Cano-Ott D., Carrapico C., Cerutti F., Chin M., Colonna N., Cortès G., Cortes-Giraldo M.A., Diakaki M., Domingo-Pardo C., Duran I., Dressler R., Dzysiuk N., Eleftheriadis C., Ferrari A., Fraval K., Ganesan S., Garcia A.R., Giubrone G., Gobel K., Gomez-Hornillos M.B., Gonzalves I.F., Gonzalez-Romero E., Griesmayer E., Gurusamy P., Hernandez-Prieto A., Jenkins D.G., Jericha E., Kadi Y., Kappeler F., Karadimos D., Kivel N., Koehler P., Kokkoris M., Krtika M., Kroll J., Lampoudis C., Langer C., Leal-Cidoncha E., Lederer C., Leeb H., Leong L.S., Losito R., Manousos A., Marganiec J., Martinez T., Massimi C., Mastinu P.F., Mastromarco M., Meaze M., Mendoza E., Mengoni A., Milazzo P.M., Mingrone F., Mirea M., Mondalaers W., Papaevangelou T., Paradela C., Pavlik A., Perkowski J., Plompen A., Praena J., Quesada J.M., Rauscher T., Reifarth R., Riego A., Roman F., Rubbia C., Sabate-Gilarte M., Sarmento R., Saxena A., Schillebeeckx P., Schmidt S., Schumann D., Steinegger P., Tagliente G., Tain J.L., Tarrio D., Tassan-Got L., Valenta S., Vannini G., Variale V., Vaz P., Ventura A., Versaci R., Vermeulen M.J., Vlastou R., Wallner A., Ware T., Weigand M., Wright T., and Zugec P.
Subjects: Nuclear and High Energy Physics, Astrophysics::High Energy Astrophysical Phenomena, Física::Física de partícules [Àrees temàtiques de la UPC], Neutron scattering, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, 7. Clean energy, Neutron time-of-flight scattering, MEASUREMENT, PERFORMANCE REPORT, Nuclear physics, Neutron flux, 0103 physical sciences, Neutron cross section, Neutron detection, Neutron, 010306 general physics, Nuclear Experiment, Physics, Energies::Energia nuclear [Àrees temàtiques de la UPC], Neutrons, NEUTRON CROSS SECTION, 010308 nuclear & particles physics, Neutron temperature, n_TOF facility, Neutron source, Physics::Accelerator Physics, TIME OF FLIGHT
Abstract: The neutron time-of-flight facility n TOF features a white neutron source produced by spallation through 20 GeV/c protons impinging on a lead target. The facility, aiming primarily at the measurement of neutron-induced reaction cross sections, was operating at CERN between 2001 and 2004, and then underwent a major upgrade in 2008. This paper presents in detail all the characteristics of the new neutron beam in the currently available configurations, which correspond to two different collimation systems and two choices of neutron moderator. The characteristics discussed include the intensity and energy dependence of the neutron flux, the spatial profile of the beam, the in-beam background components and the energy resolution/broadening. The discussion of these features is based on dedicated measurements and Monte Carlo simulations, and includes estimations of the systematic uncertainties of the mentioned quantities.
Published: 2013

102. KLOE results in flavour physics and prospects for KLOE-2

Author: E. Czerwiński, D. Babusci, D. Badoni, I. Balwierz, G. Bencivenni, C. Bini, C. Bloise, V. Bocci, F. Bossi, P. Branchini, A. Budano, L. Caldeira Balkeståhl, G. Capon, F. Ceradini, P. Ciambrone, E. Dané, E. De Lucia, G. De Robertis, A. De Santis, A. Di Domenico, C. Di Donato, R. Di Salvo, D. Domenici, O. Erriquez, G. Fanizzi, A. Fantini, G. Felici, S. Fiore, P. Franzini, P. Gauzzi, G. Giardina, S. Giovannella, F. Gonnella, E. Graziani, F. Happacher, B. Höistad, L. Iafolla, E. Iarocci, M. Jacewicz, T. Johansson, A. Kupść, J. Lee-Franzini, B. Leverington, F. Loddo, G. Mandaglio, M. Martemianov, M. Martini, M. Mascolo, R. Messi, S. Miscetti, G. Morello, D. Moricciani, P. Moskal, F. Nguyen, A. Passeri, V. Patera, I. Prado Longhi, A. Ranieri, C.F. Redmer, P. Santangelo, I. Sarra, M. Schioppa, B. Sciascia, M. Silarski, C. Taccini, L. Tortora, G. Venanzoni, R. Versaci, W. Wiślicki, M. Wolke, and J. Zdebik
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, KLOE-2, Detector, Flavour, Atomic and Molecular Physics, and Optics, flavour, Nuclear physics, Interferometry, CP, Quantum state, KLOE, Quantum interference, Homogeneous space, Physics::Accelerator Physics, High Energy Physics::Experiment, CPT, Quantum
Abstract: The ϕ-factory DAΦNE offers a possibility to select pure kaon beams, charged and neutral ones. In particular, neutral kaons from ϕ → K S K L are produced in pairs and the detection of a K S ( K L ) tags the presence of a K L ( K S ) . This allows to perform precise measurements of kaon properties by means of KLOE detector. Another advantage of a ϕ-factory consists in fact that the neutral kaon pairs are produced in a pure quantum state ( J P C = 1 − − ) , which allows to investigate CP and CPT symmetries via quantum interference effects, as well as the basic principles of quantum mechanics. A review of the most recent results of the KLOE experiment at DAΦNE using pure kaon beams or via quantum interferometry is presented together with prospects for kaon physics at KLOE–2.
Published: 2013

103. Angular distribution in the neutron-induced fission of actinides

Author: A. Manousos, Willy Mondelaers, A. Mengon, R. Sarmento, C. Eleftheriadis, M. B. Gómez-Hornillos, D. Schumann, G. Cortes, Thomas Rauscher, D. Tarrío, M. Mirea, Carlos Guerrero, R. Dressler, M. Mastromarco, F. Roman, S. Valenta, González-Romero, P. E. Koehler, R. Reifhart, G. Korschinek, C. Carrapiço, J. Billowes, J. Marganiec, V. Vlastou, T. Ware, A. R. García, Anton Wallner, C. Paradela, M. Brugger, V. Variale, G. Giubrone, L. Audouin, G. Tagliente, F. Calviño, P. Gurusamy, G. Vannini, E. Jericha, E. Griesmayer, C. Rubbia, E. Mendoza, Jan Perkowski, M. Weigand, M. P. W. Chin, Nicola Colonna, F. Bečvář, L.S. Leong, V. Vlachoudis, K. Fraval, M. Diakaki, R. Versaci, C. Weiß, I. Duran, N. Dzysiuk, P. F. Mastinu, E. Berthoumieux, E. Kadi, Marco Pignatari, C. Le Naour, A. Riego, P. Schillebeeckx, V. Bécares, Arnaud Ferrari, F. Gunsing, M. Meaze, T. Wright, I. F. Gonçalves, Cristian Massimi, J. L. Tain, M. Krtička, Marco Calviani, C. Lederer, T. Martinez, Fabio Belloni, S. Altstadt, A. Plompen, P. M. Milazzo, N. Kivel, A. Pavlik, C. Langer, C. Domingo-Pardo, A. Tsinganis, F. Käppeler, D. Karadimos, D. Bosnar, M. Kokkoris, T. Mingrone, E. Chiaveri, M. J. Vermeulen, Srinivasan Ganesan, D. G. Jenkins, D. Cano-Ott, Hannes Leeb, Mario Barbagallo, M. A. Cortés-Giraldo, J. Andrzejewsky, R. Losito, J. Kroll, P. Vaz, Javier Praena, Alberto Ventura, Zǔgec, Stefan Schmidt, Vittorio Boccone, J. M. Quesada, L. Tassan-Got, F. Cerutti, Universitat Politècnica de Catalunya. Departament de Física, Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group, Mengoni, A., Chatillon, A., Leong, L.S., Tassan-Got, L., Tarrio, D., Audouin, L., Paradela, C., Duran, I., Le Naour, C., Altstadt, S., Andrzejewsky, J., Barbagallo, M., Bécares, V., Bečvář, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Bosnar, D., Brugger, M., Calvino, F., Calviani, M., Cano-Ott, D., Carrapiço, C., Cerutti, F., Chiaveri, E., Chin, M., Colonna, N., Cortés, G., Cortés-Giraldo, M.A., Diakaki, M., Domingo-Pardo, C., Dressler, R., Dzysiuk, N., Eleftheriadis, C., Ferrari, A., Fraval, K., Ganesan, S., García, A.R., Giubrone, G., Gómez-Hornillos, M.B., Gonçalves, I.F., González, Romero, Griesmayer, E., Guerrero, C., Gunsing, F., Gurusamy, P., Jenkins, D.G., Jericha, E., Kadi, E., Käppeler, F., Karadimos, D., Kivel, N., Koehler, P., Kokkoris, M., Korschinek, G., Kroll, J., Krtička, M., Langer, C., Lederer, C., Leeb, H., Losito, R., Manousos, A., Marganiec, J., Massimi, C., Martínez, T., Mastinu, P.F., Mastromarco, M., Meaze, M., Mengon, A., Mendoza, E., Milazzo, P.M., Mingrone, T., Mirea, M., Mondelaers, W., Pavlik, A., Perkowski, J., Pignatari, M., Plompen, A., Praena, J., Quesada, J.M., Rauscher, T., Reifhart, R., Riego, A., Roman, F., Rubbia, C., Sarmento, R., Schillebeeckx, P., Schmidt, S., Schumann, D., Taín, J.L., Tagliente, G., Tsinganis, A., Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Versaci, R., Vermeulen, M.J., Vlachoudis, V., Vlastou, V., Wallner, A., Ware, T., Weigand, M., Weiß, C., Wright, T., and Zç, Gec
Subjects: Nuclear reaction, Nuclear fission product, Fission, QC1-999, health care facilities, manpower, and services, education, Nuclear Theory, Nuclear physics, Neutron induced fission, Neutron, 7. Clean energy, 01 natural sciences, Physics and Astronomy (all), Angular distribution, 0103 physical sciences, CERN, Physics::Atomic and Molecular Clusters, n_TOF, 010306 general physics, Spectroscopy, Nuclear Experiment, health care economics and organizations, Physics, Energies::Energia nuclear [Àrees temàtiques de la UPC], Neutrons, Física [Àrees temàtiques de la UPC], Cross section, 010308 nuclear & particles physics, neutron induced fission, angular distribution, actinides, Actinide, Nuclear fission, Física nuclear
Abstract: Above 1 MeV of incident neutron energy the fission fragment angular distribution (FFAD) has generally a strong anisotropic behavior due to the combination of the incident orbital momentum and the intrinsic spin of the fissioning nucleus. This effect has to be taken into account for the efficiency estimation of devices used for fission cross section measurements. In addition it bears information on the spin deposition mechanism and on the structure of transitional states. We designed and constructed a detection device, based on Parallel Plate Avalanche Counters (PPAC), for measuring the fission fragment angular distributions of several isotopes, in particular 232Th. The measurement has been performed at n-TOF at CERN taking advantage of the very broad energy spectrum of the neutron beam. Fission events were recognized by back to back detection in coincidence in two position-sensitive detectors surrounding the targets. The detection efficiency, depending mostly on the stopping of fission fragments in backings and electrodes, has been computed with a Geant4 simulation and validated by the comparison to the measured case of 235U below 3 keV where the emission is isotropic. In the case of 232Th, the result is in good agreement with previous data below 10 MeV, with a good reproduction of the structures associated to vibrational states and the opening of second chance fission. In the 14 MeV region our data are much more accurate than previous ones which are broadly scattered. © Owned by the authors, published by EDP Sciences, 2013.
Published: 2013
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104. Measurement of hadronic cross section and preliminary results on the pion form factor using the radiative return at DAPHNE

Author: M. Adinolfi, A. Antonelli, M. Antonelli, C. Bacci, G. Bencivenni, S. Bertolucci, C. Bini, C. Bloise, V. Bocci, F. Bossi, P. Branchini, S. A. Bulychjov, G. Cabibbo, R. Caloi, P. Campana, G. Capon, G. Carboni, M. Casarsa, V. Casavola, G. Cataldi, F. Ceradini, F. Cervelli, P. Ciambrone, S. Conetti, E. De Lucia, P. De Simone, G. De Zorzi, S. Dell'Agnello, A. Denig, A. Di Domenico, S. Di Falco, B. Di Micco, A. Doria, M. Dreucci, O. Erriquez, A. Farilla, G. Felici, A. Ferrari, M. L. Ferrer, G. Finocchiaro, C. Forti, A. Franceschi, P. Franzini, C. Gatti, P. Gauzzi, A. Giannasi, S. Giovannella, E. Gorini, E. Graziani, M. Incagli, W. Kluge, V. Kulikov, F. Lacava, G. Lanfranchi, J. Lee Franzini, D. Leone, F. Luc, M. Martemianov, M. Matsyuk, W. Mei, R. Messi, S. Miscetti, M. Moulson, S. Müller, F. Murtas, A. Nedosekin, F. Nguyen, M. Palomba, L. Pacciani, M. Palutan, E. Pasqualucci, L. Passalacqua, A. Passeri, V. Patera, F. Perfetto, E. Petrolo, G. Pirozzi, L. Pontecorvo, M. Primavera, F. Ruggieri, P. Santangelo, E. Santovetti, R. D. Schamberger, B. Sciascia, A. Sciubba, F. Scuri, I. Sfiligoi, A. Sibidanov, T. Spadaro, E. Spiriti, M. Tabidze, G. L. Tong, L. Tortora, P. Valente, B. Valeriani, G. Venanzoni, S. Veneziano, A. Ventura, S. Ventura, R. Versaci, ALOISIO, ALBERTO, AMBROSINO, FABIO, CAPUSSELA, TIZIANA, CEVENINI, FRANCESCO, CHIEFARI, GIOVANNI, DI DONATO, CAMILLA, MEROLA, LEONARDO, NAPOLITANO, MARCO, SARACINO, GIULIO, M., Adinolfi, Aloisio, Alberto, Ambrosino, Fabio, A., Antonelli, M., Antonelli, C., Bacci, G., Bencivenni, S., Bertolucci, C., Bini, C., Bloise, V., Bocci, F., Bossi, P., Branchini, S. A., Bulychjov, G., Cabibbo, R., Caloi, P., Campana, G., Capon, Capussela, Tiziana, G., Carboni, M., Casarsa, V., Casavola, G., Cataldi, F., Ceradini, F., Cervelli, Cevenini, Francesco, Chiefari, Giovanni, P., Ciambrone, S., Conetti, E., De Lucia, P., De Simone, G., De Zorzi, S., Dell'Agnello, A., Denig, A., Di Domenico, DI DONATO, Camilla, S., Di Falco, B., Di Micco, A., Doria, M., Dreucci, O., Erriquez, A., Farilla, G., Felici, A., Ferrari, M. L., Ferrer, G., Finocchiaro, C., Forti, A., Franceschi, P., Franzini, C., Gatti, P., Gauzzi, A., Giannasi, S., Giovannella, E., Gorini, E., Graziani, M., Incagli, W., Kluge, V., Kulikov, F., Lacava, G., Lanfranchi, J., Lee Franzini, D., Leone, F., Luc, M., Martemianov, M., Matsyuk, W., Mei, Merola, Leonardo, R., Messi, S., Miscetti, M., Moulson, S., Müller, F., Murta, Napolitano, Marco, A., Nedosekin, F., Nguyen, M., Palomba, L., Pacciani, M., Palutan, E., Pasqualucci, L., Passalacqua, A., Passeri, V., Patera, F., Perfetto, E., Petrolo, G., Pirozzi, L., Pontecorvo, M., Primavera, F., Ruggieri, P., Santangelo, E., Santovetti, Saracino, Giulio, R. D., Schamberger, B., Sciascia, A., Sciubba, F., Scuri, I., Sfiligoi, A., Sibidanov, T., Spadaro, E., Spiriti, M., Tabidze, G. L., Tong, L., Tortora, P., Valente, B., Valeriani, G., Venanzoni, S., Veneziano, A., Ventura, S., Ventura, and R., Versaci
Subjects: Physics, Nuclear and High Energy Physics, Electron–positron annihilation, Nuclear Theory, Hadron, Form factor (quantum field theory), FOS: Physical sciences, Atomic and Molecular Physics, and Optics, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Cross section (physics), Pion, Radiative transfer, High Energy Physics::Experiment, Nuclear Experiment
Abstract: In the fixed energy environment of the $e^{+}e^{-}$ collider DA$\Phi$NE, KLOE can measure the cross section of the process $e^{+}e^{-} \to$ hadrons as a function of the hadronic system energy using the radiative return. At energies below 1 GeV, $e^{+}e^{-} \to \rho \to \pi^{+}\pi^{-}$ is the dominating hadronic process. We report here on the status of the analysis for the $e^{+}e^{-} \to \ppg$ channel, which allows to obtain a preliminary measurement of the pion form factor using an integrated luminosity of $\sim73 pb^{-1}$., Comment: Invited talk at the Seventh International Workshop on Tau Lepton Physics (TAU02-WE07), Santa Cruz, Ca, USA, Sept 2002, 9 pages, LaTeX, 9 eps figures
Published: 2002

105. Determination of σ(e+e–→ π+ π–) from radiative processes at DAΦNE

Author: A. Aloisio, F. Ambrosino, A. Antonelli, M. Antonelli, C. Bacci, G. Bencivenni, S. Bertolucci, C. Bini, C. Bloise, V. Bocci, F. Bossi, P. Branchini, S. A. Bulychjov, R. Caloi, P. Campana, G. Capon, T. Capussela, G. Carboni, G. Cataldi, F. Ceradini, F. Cervelli, F. Cevenini, G. Chiefari, P. Ciambrone, S. Conetti, E. De Lucia, P. De Simone, G. De Zorzi, S. Dell’Agnello, A. Denig, A. Di Domenico, C. Di Donato, S. Di Falco, B. Di Micco, A. Doria, M. Dreucci, O. Erriquez, A. Farilla, G. Felici, A. Ferrari, M. L. Ferrer, G. Finocchiaro, C. Forti, A. Franceschi, P. Franzini, C. Gatti, P. Gauzzi, S. Giovannella, E. Gorini, E. Graziani, M. Incagli, W. Kluge, V. Kulikov, F. Lacava, G. Lanfranchi, J. Lee-Franzini, D. Leone, F. Lu, M. Martemianov, M. Matsyuk, W. Mei, L. Merola, R. Messi, S. Miscetti, M. Moulson, S. Müller, F. Murtas, M. Napolitano, A. Nedosekin, F. Nguyen, M. Palutan, E. Pasqualucci, L. Passalacqua, A. Passeri, V. Patera, F. Perfetto, E. Petrolo, L. Pontecorvo, M. Primavera, F. Ruggieri, P. Santangelo, E. Santovetti, G. Saracino, R. D. Schamberger, B. Sciascia, A. Sciubba, F. Scuri, I. Sfiligoi, A. Sibidanov, T. Spadaro, E. Spiriti, M. Testa, L. Tortora, P. Valente, B. Valeriani, G. Venanzoni, S. Veneziano, A. Ventura, S. Ventura, R. Versaci, I. Villella, and G. Xu
Subjects: Physics, Particle physics, Photon, Muon, Physics and Astronomy (miscellaneous), Hadron, Form factor (quantum field theory), Sigma, Pion, High Energy Physics::Experiment, Anomaly (physics), Nuclear Experiment, Engineering (miscellaneous), Energy (signal processing)
Abstract: We have measured the cross section $\sigma(e^+e^-\to\pi^+\pi^-\gamma)$ with the KLOE detector at DA$\Phi$NE, at an energy $W=M_\phi=1.02$ GeV. From the dependence of the cross section on $m(\pi^+\pi^-)=\sqrt{W^2-2WE_\gamma}$, where $E_\gamma$ is the energy of the photon radiated from the initial state, we extract $\sigma(e^+e^-\to\pi^+\pi^-)$ for the mass range $0.35
Published: 2004

106. IN-713C characteristic properties optimized through different heat treatments

Author: R. Versaci, A. Ges, and H. Palacio
Subjects: Materials science, Precipitation (chemistry), Mechanical Engineering, Diffusion, Metallurgy, Thermodynamics, Superalloy, Precipitation hardening, Mechanics of Materials, Phase (matter), Volume fraction, General Materials Science, Particle size, Dissolution
Abstract: The strength of a nickel-based superalloy hardened through precipitation is related to the volume fraction, particle size and distribution of the precipitated phase, γ′. These parameters may vary as a result of heat treatment, or high-temperatures service. The information obtained, describing the influence of time and temperature on the precipitated phase, γ′, is of special importance owing to its technological application at high temperatures. Dissolution or precipitation kinetics are such that the volume-fraction balance of the γ′ phase is quickly established at an ageing temperature given by successive changes due only to the particle growth. The results of the present study describe heat-treatment effects on size and distribution of the γ′ phase, and precipitated carbides ageing of a nickel-based superalloy (IN-713C). These on ageing studies at a certain temperature show that the kinetic growth of γ′ particles by controlled diffusion follows that r ∝ t 1/3 law.
Published: 1994

107. U boson searches at KLOE

Author: Eryk Czerwiński, I. Sarra, Cecilia Taccini, S. Fiore, Bo Höistad, E. Graziani, S. A. Bulychjev, P. Franzini, Jarosław Zdebik, P. Gauzzi, G. Fanizzi, S. Miscetti, G. De Zorzi, Marek Jacewicz, Gianfranco Morello, L. Tortora, V. V. Kulikov, Antonio Budano, G. Capon, W. Wislicki, I. Balwierz, Paweł Moskal, Magnus Wolke, F. Loddo, C. Bloise, R. Versaci, I. Prado Longhi, A. Di Domenico, F. Bossi, M. Martemianov, Michał Silarski, Filippo Ceradini, G. Venanzoni, D. Moricciani, O. Erriquez, A. Ranieri, Vincenzo Patera, F. Gonnella, F. Happacher, G. Bencivenni, Andrzej Kupsc, Juliet Lee-Franzini, G. De Robertis, Paolo Santangelo, Pierluigi Campana, M. A. Matsyuk, A. Sciubba, Paolo Ciambrone, E. Iarocci, Barbara Sciascia, M. Martini, R. Messi, P. Branchini, Marco Schioppa, T. Johansson, S. Giovannella, Davide Badoni, V. Bocci, G. Felici, E. De Lucia, Flavio Archilli, D. Domenici, C. Di Donato, Cesare Bini, A. Passeri, F. Nguyen, E. Dané, A. De Santis, and D. Babusci
Subjects: Physics, History, Particle physics, 010308 nuclear & particles physics, FOS: Physical sciences, Gauge (firearms), 01 natural sciences, Computer Science Applications, Education, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Low energy, 0103 physical sciences, Physics::Accelerator Physics, High Energy Physics::Experiment, 010306 general physics, Boson
Abstract: The existence of a secluded gauge sector could explain several puzzling astrophysical observations. This hypothesis can be tested at low energy e+e- colliders such as DAPHNE. Preliminary results obtained with KLOE data and perpectives for the KLOE-2 run, where a larger data sample is expected, are discussed., Comment: 8 pages, 5 figures
Published: 2011
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108. Proposal for taking data with the KLOE-2 detector at the DAPHNE collider upgraded in energy

Author: D. Babusci, C. Bini, F. Bossi, G. Isidori, D. Moricciani, F. Nguyen, P. Raimondi, G. Venanzoni, D. Alesini, F. Archilli, D. Badoni, R. Baldini-Ferroli, M. Bellaveglia, G. Bencivenni, M. Bertani, M. Biagini, C. Biscari, C. Bloise, V. Bocci, R. Boni, M. Boscolo, P. Branchini, A. Budano, S.A. Bulychjev, B. Buonomo, P. Campana, G. Capon, M. Castellano, F. Ceradini, E. Chiadroni, P. Ciambrone, L. Cultrera, E. Czerwinski, E. Dane', G. Delle Monache, E. De Lucia, T. Demma, G. De Robertis, A. De Santis, G. De Zorzi, A. Di Domenico, C. Di Donato, B. Di Micco, E. Di Pasquale, G. Di Pirro, R. Di Salvo, D. Domenici, A. Drago, M. Esposito, O. Erriquez, G. Felici, M. Ferrario, L. Ficcadenti, D. Filippetto, S. Fiore, P. Franzini, G. Franzini, A. Gallo, G. Gatti, P. Gauzzi, S. Giovannella, A. Ghigo, F. Gonnella, E. Graziani, S. Guiducci, F. Happacher, B. Hoistad, E. Iarocci, M. Jacewicz, T. Johansson, W. Kluge, V.V. Kulikov, A. Kupsc, J. Lee Franzini, C. Ligi, F. Loddo, P. Lukin, F. Marcellini, C. Marchetti, M.A. Martemianov, M. Martini, M.A. Matsyuk, G. Mazzitelli, R. Messi, C. Milardi, M. Mirazzita, S. Miscetti, G. Morello, P. Moskal, S. MÃ¼eller, S. Pacetti, G. Pancheri, E. Pasqualucci, A. Passeri, M. Passera, V. Patera, A.D. Polosa, M. Preger, L. Quintieri, A. Ranieri, P. Rossi, C. Sanelli, P. Santangelo, I. Sarra, M. Schioppa, B. Sciascia, M. Serio, F. Sgamma, M. Silarski, B. Spataro, A. Stecchi, A. Stella, S. Stucci, C. Taccini, S. Tomassini, L. Tortora, C. Vaccarezza, R. Versaci, W. Wislicki, M. Wolke, J. Zdebik, and M. Zobov
Subjects: Physics::Accelerator Physics, High Energy Physics::Experiment
Abstract: This document reviews the physics program of the KLOE-2 detector at DAFNE upgraded in energy and provides a simple solution to run the collider above the Φ-peak (up to 2, possibly 2.5 GeV). It is shown how a precise measurement of the multihadronic cross section in the energy region up to 2 (possibly 2.5) GeV will have a major impact on the tests of the Standard Model through a precise determination of the anomalous magnetic moment of the muon and the effective fine-structure constant at the MZ scale. With a luminosity of about 10^32 cm^-2 s^-1, DAFNE upgraded in energy can perform a scan in the region from 1 to 2.5 GeV in one year by collecting an integrated luminosity of 20 pb^-1 (corresponding to a few days of data taking) for single point, assuming an energy step of 25 MeV. A few years of data taking in this region would provide important tests of QCD and effective theories by γγ physics with open thresholds for pseudo-scalar (like the η'), scalar (f_0, f_0' , etc...) and axial-vector (a1, etc...) mesons; vector-mesons spectroscopy and baryon form factors, tests of CVC, and searches for exotics. In the final part of the document a technical solution for the energy upgrade of DAFNE is proposed.
Published: 2010
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109. Physics with the KLOE-2 experiment at the upgraded DAFNE

Author: Eryk Czerwiński, I. Sarra, R. Lehnert, S. Fiore, Bo Höistad, Francesco Giacosa, S. A. Bulychjev, C. Taccini, S. Giovannella, F. Ceradini, Henryk Czyz, G. De Robertis, Beatrix C. Hiesmayr, Stefan E. Müller, B. Di Micco, Jarosław Zdebik, G. V. Fedotovich, Luca Tortora, Rouven Essig, Marek Jacewicz, C. Bloise, Sarben Sarkar, Nikolaos Mavromatos, A. Passeri, Antonio Budano, G. Capon, S. Ivashyn, W. Wislicki, S. Miscetti, Paweł Moskal, P. Gauzzi, Philip Schuster, V. Kulikov, F. Loddo, F. Archilli, G. Felici, R. Versaci, F. Bossi, Natalia Toro, A. Di Domenico, P. De Simone, Federico Mescia, M. Martemianov, Michał Silarski, Diogo Boito, D. Babusci, G. Venanzoni, R. A. Bertlmann, P.A. Lukin, D. Moricciani, O. Erriquez, V. Bocci, Joaquim Prades, A. Ranieri, Vincenzo Patera, F. Gonnella, Fred Jegerlehner, F. Happacher, G. D’Ambrosio, Andrzej Kupsc, Tord Johansson, P. Ciambrone, M. A. Matsyuk, Adalberto Sciubba, E. Passemar, Paolo Franzini, G. Amelino-Camelia, Barbara Sciascia, M. Martini, R. Messi, Michael J. Reece, P. Branchini, Marco Schioppa, E. Graziani, P. Santangelo, Davide Badoni, Lina Quintieri, G. De Zorzi, L.-T. Wang, E. Iarocci, W. Kluge, Juliet Lee-Franzini, E. De Lucia, Cesare Bini, D. Domenici, P. Campana, Rafel Escribano, Michael R. Pennington, F. Nguyen, M. Wolke, C. Di Donato, E. Dané, G. Bencivenni, M. Passera, S. Eidelman, A. De Santis, G. Morello, Jose Bernabeu, Amelino Camelia, G, Archilli, F, Babusci, D, Badoni, D, Bencivenni, G, Bernabeu, J, Bertlmann, R, Boito, D, Bini, C, Bloise, C, Bocci, V, Bossi, F, Branchini, P, Budano, A, Bulychjev, S, Campana, P, Capon, G, Ceradini, Filippo, Ciambrone, P, Czerwinski, E, Czyz, H, D'Ambrosio, G, Dane, E, De Lucia, E, De Robertis, G, De Santis, A, De Simone, P, De Zorzi, G, Di Domenico, A, Di Donato, C, DI MICCO, Biagio, Domenici, D, Eidelman, S, Erriquez, O, Escribano, R, Essig, R, Fedotovich, Gv, Felici, G, Fiore, S, Franzini, P, Gauzzi, P, Giacosa, F, Giovannella, S, Gonnella, F, Graziani, E, Happacher, F, Hiesmayr, Bc, Hoistad, B, Iarocci, E, Ivashyn, S, Jacewicz, M, Jegerlehner, F, Johansson, T, Lee Franzini, J, Kluge, W, Kulikov, Vv, Kupsc, A, Lehnert, R, Loddo, F, Lukin, P, Martemianov, Ma, Martini, M, Matsyuk, Ma, Mavromatos, Ne, Mescia, F, Messi, R, Miscetti, S, Morello, G, Moricciani, D, Moskal, P, Mueller, S, Nguyen, F, Passemar, E, Passera, M, Passeri, A, Patera, V, Pennington, M, Prades, J, Quintieri, L, Ranieri, A, Reece, M, Santangelo, P, Sarkar, S, Sarra, I, Schioppa, M, Schuster, Pc, Sciascia, B, Sciubba, A, Silarski, M, Taccini, C, Toro, N, Tortora, L, Venanzoni, G, Versaci, R, Wang, Lt, Wislicki, W, Wolke, M, Zdebik, J., and Universitat de Barcelona
Subjects: Particle physics, Field theory (Physics), Meson, Physics and Astronomy (miscellaneous), Scalar (mathematics), Hadron, Continuum (design consultancy), 01 natural sciences, Partícules (Física nuclear), Standard Model, Gamma gamma, High Energy Physics - Experiment, 0103 physical sciences, Radiative transfer, Mesons (Nuclear physics), Teoria quàntica, Mesons (Física nuclear), 010306 general physics, Engineering (miscellaneous), Nuclear Experiment, Particles (Nuclear physics), Physics, Quantum Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Time evolution, Teoria de camps (Física), Física, Kaons, 3. Good health, High Energy Physics - Phenomenology, Quantum theory, High Energy Physics::Experiment
Abstract: Investigation at a $\phi$--factory can shed light on several debated issues in particle physics. We discuss: i) recent theoretical development and experimental progress in kaon physics relevant for the Standard Model tests in the flavor sector, ii) the sensitivity we can reach in probing CPT and Quantum Mechanics from time evolution of entangled kaon states, iii) the interest for improving on the present measurements of non-leptonic and radiative decays of kaons and eta/eta$^\prime$ mesons, iv) the contribution to understand the nature of light scalar mesons, and v) the opportunity to search for narrow di-lepton resonances suggested by recent models proposing a hidden dark-matter sector. We also report on the $e^+ e^-$ physics in the continuum with the measurements of (multi)hadronic cross sections and the study of gamma gamma processes., Comment: 60 pages, 41 figures; added affiliation for one of the authors; added reference to section 6
Published: 2010

110. Mössbauer studies of strain-induced transformation of retained austenite in dual-phase steels

Author: Roberto C. Mercader, N.A Cantalejos, L Terminiello, E. D. Cabanillas, and R. Versaci
Subjects: Austenite, Materials science, Dual-phase steel, Bainite, Mechanical Engineering, Metallurgy, Condensed Matter Physics, Mechanics of Materials, Transmission electron microscopy, Martensite, Phase (matter), General Materials Science, Deformation (engineering), Shear band
Abstract: A dual-phase steel has been subjected to several degrees of plastic deformation at room temperature. The amount of retained austenite γ transformed into martensite α′ has been monitored by Mossbauer spectroscopy. The deformation was introduced by uniaxial strain from 0% to 15%, and biaxial strain from 20% to 50%. The austenite variation is compared with a similar phase transformation occurring in an AISI 304 stainless steel. Transmission electron microscopy was used to search for shear band intersections and other microscopic features able to initiate the martensite formation mechanism.
Published: 1992

111. A global fit to determine the pseudoscalar mixing angle and the gluonium content of the eta ' meson

Author: KLOE collaboration, F Ambrosino, A Antonelli, M Antonelli, F Archilli, P Beltrame, G Bencivenni, S Bertolucci, C Bini, C Bloise, S Bocchetta, F Bossi, P Branchini, G Capon, T Capussela, F Ceradini, P Ciambrone, E. De Lucia, A. De Santis, P. De Simone, G. De Zorzi, A Denig, A. Di Domenico, C. Di Donato, B. Di Micco, M Dreucci, G Felici, S Fiore, P Franzini, C Gatti, P Gauzzi, S Giovannella, E Graziani, M Jacewicz, G Lanfranchi, J Lee-Franzini, M Martini, P Massarotti, S Meola, S Miscetti, M Moulson, S Müller, F Murtas, M Napolitano, F Nguyen, M Palutan, E Pasqualucci, A Passeri, V Patera, P Santangelo, B Sciascia, T Spadaro, M Testa, L Tortora, P Valente, G Venanzoni, R Versaci, G Xu, Ambrosino, Fabio, Napolitano, Marco, DI DONATO, Camilla, Massarotti, Paolo, Kloe, Collaboration, Ambrosino, F, Antonelli, A, Antonelli, M, Archilli, F, Beltrame, P, Bencivenni, G, Bertolucci, S, Bini, C, Bloise, C, Bocchetta, S, Bossi, F, Branchini, P, Capon, G, Capussela, T, Ceradini, Filippo, Ciambrone, P, De Lucia, E, De Santis, A, De Simone, P, De Zorzi, G, Denig, A, Di Domenico, A, Di Donato, C, DI MICCO, Biagio, Dreucci, M, Felici, G, Fiore, S, Franzini, P, Gatti, C, Gauzzi, P, Giovannella, S, Graziani, E, Jacewicz, M, Lanfranchi, G, Lee Franzini, J, Martini, M, Massarotti, P, Meola, S, Miscetti, S, Moulson, M, Muller, S, Murtas, F, Napolitano, M, Nguyen, F, Palutan, M, Pasqualucci, E, Passeri, A, Patera, V, Santangelo, P, Sciascia, B, Spadaro, T, Testa, M, Tortora, L, Valente, P, Venanzoni, G, Versaci, R, and Xu, G.
Subjects: Physics, Particle physics, Nuclear and High Energy Physics, Meson, Phenomenological models, Astrophysics::High Energy Astrophysical Phenomena, Eta meson, FOS: Physical sciences, Gamma gamma, Pseudoscalar, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Radiative transfer, High Energy Physics::Experiment, Vector meson, Nuclear Experiment
Abstract: We update the values of the eta-eta' mixing angle and of the eta' gluonium content by fitting our measurement R_phi = BR(phi to eta' gamma)/ BR(phi to eta gamma) together with several vector meson radiative decays to pseudoscalars (V to P gamma), pseudoscalar mesons radiative decays to vectors (P to V gamma) and the eta' to gamma gamma, pi^0 to gamma gamma widths. From the fit we extract a gluonium fraction of Z^2_G = 0.12 +- 0.04, the pseudoscalar mixing angle psi_P = (40.4 +- 0.6) degree and the phi-omega mixing angle psi_V = (3.32 +- 0.09) degree. Z^2_G and psi_P are fairly consistent with those previously published. We also evaluate the impact on the eta' gluonium content determination of future experimental improvements of the eta' branching ratios and decay width., Comment: 13 pages, 7 figures to submit to JHEP
Published: 2009

112. SEARCH FOR CPT VIOLATION IN NEUTRAL KAONS AT KLOE: STATUS AND PERSPECTIVES

Author: Filippo Ceradini, Paolo Ciambrone, Margherita Primavera, R. Caloi, G. Xu, C. Bacci, P. De Simone, G. Finocchiaro, S. Meola, S. Miiller, P. Branchini, M. Dreucci, Cesare Bini, V. V. Kulikov, G. Felici, M. Incagli, Claudio Gatti, C. Bloise, F. Ambrosino, B. Di Micco, W. Kluge, S. Di Falco, Fabrizio Scuri, G. Lanfranchi, P. Campana, F. Bossi, M. Moulson, A. De Santis, Marianna Testa, E. De Lucia, P. Franzini, G. Bencivenni, F. Nguyen, A. G. Denig, F. Perfetto, M. Palutan, G. Capon, Simona Serena Bocchetta, S. Chi, C. Forti, G. Chiefari, F. Archilli, M. Napolitano, A. Passeri, S. Miscetti, P. Massarotti, Juliet Lee-Franzini, Antonio Di Domenico, Barbara Sciascia, M. Martini, Andrea Doria, D. Leone, A. Di Domenico, C. Di Donato, P. Beltrame, Massimo Antonelli, S. Giovannella, P. Gauzzi, R. Versaci, Igor Sfiligoi, Francesco Lacava, G. De Zorzi, W. Mei, S. Bertolucci, S. Fiore, E. Graziani, Edoardo Gorini, T. Spadaro, Paolo Santangelo, F. Murtas, Enrico Pasqualucci, G. Saracino, T. Capussela, A. Antonelli, G. Venanzoni, M. L. Ferrer, L. Tortora, P. Valente, A. Ferrari, Vincenzo Patera, and A. Sciubba
Published: 2008

113. V_us | and lepton universality from kaon decays with the KLOE detector

Author: The KLOE Collaboration, F Ambrosino, A Antonelli, M Antonelli, F Archilli, C Bacci, P Beltrame, G Bencivenni, S Bertolucci, C Bini, C Bloise, S Bocchetta, F Bossi, P Branchini, R Caloi, P Campana, G Capon, T Capussela, F Ceradini, F Cesario, S Chi, G Chiefari, P Ciambrone, F Crucianelli, E. De Lucia, A. De Santis, P. De Simone, G. De Zorzi, A Denig, A. Di Domenico, C. Di Donato, B. Di Micco, A Doria, M Dreucci, G Felici, A Ferrari, M. L Ferrer, S Fiore, C Forti, P Franzini, C Gatti, P Gauzzi, S Giovannella, E Gorini, E Graziani, W Kluge, V Kulikov, F Lacava, G Lanfranchi, J Lee-Franzini, D Leone, M Martemianov, M Martini, P Massarotti, W Mei, S Meola, S Miscetti, M Moulson, S Müller, F Murtas, M Napolitano, F Nguyen, M Palutan, E Pasqualucci, A Passeri, V Patera, F Perfetto, M Primavera, P Santangelo, G Saracino, B Sciascia, A Sciubba, A Sibidanov, T Spadaro, M Testa, L Tortora, P Valente, G Venanzoni, R Versaci, G Xu, Ambrosino, Fabio, Massarotti, Paolo, S., Meola, Napolitano, Marco, F., Perfetto, C., Di Donato, Saracino, Giulio, Ambrosino, F, Antonelli, A, Antonelli, M, Archilli, F, Bacci, C, Beltrame, P, Bencivenni, G, Bertolucci, S, Bini, C, Bloise, C, Bocchetta, S, Bossi, F, Branchini, P, Caloi, R, Campana, P, Capon, G, Capussela, T, Ceradini, F, Cesario, F, Chi, S, Chiefari, G, Ciambrone, P, Crucianelli, F, DE LUCIA, E, DE SANTIS, A, DE SIMONE, P, DE ZORZI, G, Denig, A, DI DOMENICO, A, DI DONATO, C, DI MICCO, B, Doria, A, Dreucci, M, Felici, G, Ferrari, A, Ferrer, Ml, Fiore, S, Forti, C, Franzini, P, Gatti, C, Gauzzi, P, Giovannella, S, Gorini, Edoardo, Graziani, E, Kluge, W, Kulikov, V, Lacava, F, Lanfranchi, G, LEE FRANZINI, J, Leone, D, Martemianov, M, Martini, M, Massarotti, P, Mei, W, Meola, S, Miscetti, S, Moulson, M, Muller, S, Murtas, F, Napolitano, M, Nguyen, F, Palutan, M, Pasqualucci, E, Passeri, A, Patera, V, Perfetto, F, Primavera, Margherita, Santangelo, P, Saracino, G, Sciascia, B, Sciubba, A, Sibidanov, A, Spadaro, T, Testa, M, Tortora, L, Valente, P, Venanzoni, G, Versaci, R, Xu, G., Bacci, Cesare, Bertolucci, Sergio, Bocchetta, SIMONA SERENA, Bossi, Francesco, Capon, Giorgio, Ceradini, Filippo, De Lucia, E, De Santis, A, De Simone, P, De Zorzi, G, Di Domenico, A, Di Donato, C, DI MICCO, Biagio, Gorini, E, Lee Franzini, J, Nguyen, Federico, Palutan, Matteo, Primavera, M, Tortora, Luca, and Versaci, Roberto
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, Unitarity, Physics beyond the Standard Model, Detector, High Energy Physics::Phenomenology, FOS: Physical sciences, Universality (dynamical systems), High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics::Experiment, Lepton
Abstract: KLOE has measured most decay branching ratios of Ks, Kl and K+/- mesons. It has also measured the Kl and the K+- lifetime and determined the shape of the form factors involved in kaon semileptonic decays. We present in the following a description of the above measurements and a well organized compendium of all of our data, with particular attention to correlations. These data provide the basis for the determination of the CKM parameter Vus and a test of the unitarity of the quark flavor mixing matrix. We also test lepton universality and place bounds on new physics using measurements of Vus from Kl2 and Kl3 decays., Comment: 23 pages, 12 figures. Submitted to JHEP
Published: 2008

114. Precipitation and identification of carbides in A Zr-2.5 wt% Nb alloy

Author: G. Vigna, Rosa Piotrkowski, and R. Versaci
Subjects: Nuclear and High Energy Physics, Materials science, Scanning electron microscope, Precipitation (chemistry), Diffusion, Metallurgy, Alloy, Analytical chemistry, Electron microprobe, engineering.material, Carbide, Nuclear Energy and Engineering, Phase (matter), engineering, General Materials Science, Interphase
Abstract: Carbon diffusion experiments were performed in a Zr-2.5 wt% Nb alloy. Precipitation of carbides occurred at 555°C (mainly in the α-(Zr, Nb) phase) and at 716°C in the α-(Zr, Nb) + β-(Zr, Nb) two phase field) after heat treatment at 1100°C (β-(Zr, Nb) phase). The precipitated particles were identified as (Zr, Nb)C1−x by X-ray diffraction, electron microprobe analysis and scanning electron microscopy. The distribution of carbides is explained by the C diffusivity in the α-(Zr, Nb) and β-(Zr, Nb) phases and in the α-β interphase boundaries. The precipitation process is treated in terms of C diffusion in the α-(Zr, Nb) phase and this is in accordance with the size of the obtained particles.
Published: 1990

115. Development of substructure in Zircaloy-4 during LCF at 873 K

Author: I. Alvarez-Armas, A. F. Armas, and R. Versaci
Subjects: Materials science, Strain (chemistry), Mechanical Engineering, Zirconium alloy, Microstructure, Crystallography, Mechanics of Materials, Transmission electron microscopy, Fracture (geology), Substructure, General Materials Science, Dislocation, Composite material, Burgers vector
Abstract: Transmission electron microscopy techniques were used to study the substructure developed in Zircaloy-4 during strain controlled Low Cycle Fatigue (LCF) test at 873 K. A complete microstructural analysis on samples cycled with a total strain range of 0.01 and total strain rate 2×10−3s−1 was made at a different number of cycles. This study revealed that the dislocations arranged themselves into a band structure which remains essentially constant since the first cycle up to fracture. This substructure stability agrees with the stress response observed of this alloy at 873 K. A mechanism to account for the observed structure is proposed.
Published: 1990

116. KLOE RESULTS ON SCALAR MESONS FROM ϕ → ππγ DECAYS

Author: G. Capon, Paolo Santangelo, A. G. Denig, S. Müller, M. Moulson, A. De Santis, F. Murtas, Simona Serena Bocchetta, A. Ventura, G. Chiefari, D. Leone, P. Beltrame, C. Bacci, B. Di Micco, W. Kluge, S. Di Falco, G. Saracino, F. Perfetto, C. Forti, Ludovico Pontecorvo, A. Di Domenico, V. Bocci, G. De Zorzi, G. Finocchiaro, T. Capussela, G. Xu, B. Valeriani, Francesco Lacava, M. Napolitano, G. Venanzoni, F. Nguyen, A. Passeri, A.L. Sibidanov, M. L. Ferrer, Andrea Doria, P. De Simone, Filippo Ceradini, M. Palutan, P. Franzini, A. Antonelli, Margherita Primavera, E. Santovetti, S. Chi, V. V. Kulikov, Paolo Ciambrone, G. Felici, F. Ambrosino, S. Conetti, Juliet Lee-Franzini, Enrico Pasqualucci, Edoardo Gorini, R. Caloi, G. Lanfranchi, E. De Lucia, S. Giovannella, S. Meola, S. Miscetti, S. Dell'Agnello, Vincenzo Patera, Marianna Testa, L. Tortora, S. Bertolucci, Cesare Bini, A. Sciubba, M. Incagli, Fabrizio Scuri, T. Spadaro, P. Branchini, M. Dreucci, P. Valente, A. Ferrari, D. Bowring, F. Bossi, C. Di Donato, Stefano Veneziano, G. Bencivenni, P. Gauzzi, R. Versaci, Igor Sfiligoi, P. Massarotti, Barbara Sciascia, M. Martini, Claudio Gatti, C. Bloise, W. Mei, P. Campana, S. Fiore, E. Graziani, and Massimo Antonelli
Subjects: Physics, Particle physics, Meson, Scalar (mathematics)
Published: 2007

117. KLOE RESULTS ON η AND η' PHYSICS

Author: A. G. Denig, S. Müller, T. Capussela, P. Campana, S. Bertolucci, Margherita Primavera, Simona Serena Bocchetta, A. Ventura, G. Chiefari, T. Spadaro, C. Di Donato, Paolo Santangelo, S. Dell'Agnello, C. Forti, P. Franzini, A. Antonelli, P. De Simone, M. Napolitano, F. Murtas, W. Mei, G. Lanfranchi, Andrea Doria, F. Nguyen, Juliet Lee-Franzini, G. Saracino, Ludovico Pontecorvo, M. Palutan, M. Moulson, R. Caloi, A. De Santis, G. Xu, A. Di Domenico, C. Bacci, G. Finocchiaro, Claudio Gatti, C. Bloise, Cesare Bini, S. Chi, G. Venanzoni, S. Meola, D. Leone, V. Bocci, Marianna Testa, V. V. Kulikov, M. L. Ferrer, F. Perfetto, S. Giovannella, P. Valente, S. Fiore, Filippo Ceradini, A. Ferrari, B. Valeriani, A. Passeri, P. Branchini, M. Dreucci, E. Graziani, G. Felici, Paolo Ciambrone, P. Massarotti, Barbara Sciascia, Francesco Lacava, M. Martini, Massimo Antonelli, D. Bowring, G. De Zorzi, F. Ambrosino, P. Beltrame, M. Incagli, G. Capon, Fabrizio Scuri, S. Di Falco, S. Miscetti, E. Santovetti, Edoardo Gorini, S. Conetti, Vincenzo Patera, A. Sciubba, W. Kluge, B. Di Micco, P. Gauzzi, F. Bossi, Enrico Pasqualucci, R. Versaci, Igor Sfiligoi, Stefano Veneziano, G. Bencivenni, E. De Lucia, and L. Tortora
Subjects: Physics, Particle physics
Published: 2007

118. A Proposal for the Roll-in of the KLOE-2 Detector

Author: F. Bossi, F. Anulli, D. Babusci, R. Baldini, G. Bencivenni, M. Beretta, S. Bertolucci, C. Bloise, P. Campana, G. Capon, P. Ciambrone, E. Dane', E. De Lucia, P. De Simone, D. Domenici, G. Felici, E. Iarocci, J. Lee Franzini, M. Martini, F. Mescia, S. Miscetti, S. M'ueller, F. Murtas, L. Pancheri, M. Palutan, V. Patera, M. Poli Lener, P. Santangelo, B. Sciascia, A. Sciubba, G. Venanzoni, R. Versaci, R. Beck, B. Borasoy, A. Nikolaev, R. Nissler, M. Unverzagt, G. De Robertis, O. Erriquez, F. Loddo, A. Ranieri, E. Czerwinski, P. Moskal, J. Zdebik, V. Babkin, V. Golovatyuk, I. Tyapkin, P. Beltrame, A. Denig, W. Kluge, D. Leone, S. A. Bulychjov, V. V. Kulikov, M. A. Martemianov, M. A. Matsyuk, C. Bini, V. Bocci, G. De Zorzi, A. Di Domenico, P. Franzini, P. Gauzzi, E. Pasqualucci, M. Testa, A. D'Angelo, R. Di Salvo, A. Fantini, R. Messi, D. Moricciani, P. Branchini, F. Ceradini, B. Di Micco, E. Graziani, F. Nguyen, A. Passeri, L. Tortora, A. Go, L. Kurdadze, D. Mchedlishvili, M. Tabidze$^Dag$, H. Cal'en, K. Fransson, B. H'oistad, T. Johansson, A. Kupsc, P. Marciniewski, and J. Zloman
Abstract: This is a proposal for a multi-step installation of the KLOE-2 detector on the DAFΦNE beam line, starting from the fall of 2008.
Published: 2007
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119. KLOE results on neutral kaon decays

Author: G. Felici, W. Mei, Marianna Testa, S. Chi, P. Massarotti, Barbara Sciascia, C. Di Donato, M. Martini, Enrico Pasqualucci, P. Campana, S. Bertolucci, C. Bacci, F. Perfetto, Francesco Lacava, Ludovico Pontecorvo, G. Lanfranchi, G. Xu, Margherita Primavera, B. Valeriani, T. Capussela, A. Di Domenico, F. Bossi, E. De Lucia, J. Lee Franzini, T. Spadaro, G. Finocchiaro, G. Venanzoni, Claudio Gatti, C. Bloise, D. Leone, A. G. Denig, M. Moulson, M. L. Ferrer, P. De Simone, Paolo Santangelo, A.L. Sibidanov, A. Antonelli, Andrea Venturi, Edoardo Gorini, P. Valente, F. Murtas, G. Chiefari, P. Beltrame, A. Passeri, P. Franzini, S. Miscetti, G. Capon, S. Meola, A. Ferrari, L. Tortora, Filippo Ceradini, G. Saracino, M. Antonelli, F. Nguyen, D. Bowring, M. Palutan, Cesare Bini, Stefano Veneziano, R. Caloi, S. Dell'Agnello, Paolo Ciambrone, V. Bocci, V. V. Kulikov, B. Di Micco, G. De Zorzi, W. Kluge, S. Di Falco, F. Ambrosino, C. Forti, P. Branchini, M. Dreucci, G. Bencivenni, M. Napolitano, Matthew Moulson, Vincenzo Patera, Andrea Doria, A. Sciubba, P. Gauzzi, S. Müller, R. Versaci, Igor Sfiligoi, E. Graziani, E. Santovetti, S. Conetti, M. Incagli, Fabrizio Scuri, and S. Giovannella
Published: 2007

120. Results with radiative events from KLOE

Author: A. G. Denig, P. De Simone, M. Incagli, Andrea Venturi, G. Chiefari, Fabrizio Scuri, F. Ambrosino, G. Xu, M. Antonelli, S. Miscetti, C. Di Donato, E. Graziani, B. Di Micco, F. Perfetto, T. Capussela, W. Kluge, S. Di Falco, C. Forti, S. Giovannella, G. Lanfranchi, S. Chi, P. Valente, A. Ferrari, B. Valeriani, V. Bocci, E. De Lucia, G. De Zorzi, R. Caloi, A. Antonelli, G. Finocchiaro, D. Bowring, E. Santovetti, M. Napolitano, Ludovico Pontecorvo, S. Müller, F. Bossi, Edoardo Gorini, S. Conetti, G. Saracino, A. Di Domenico, S. Meola, D. Leone, Vincenzo Patera, Andrea Doria, Paolo Santangelo, A. Sciubba, Marianna Testa, F. Murtas, P. Beltrame, G. Capon, Margherita Primavera, Filippo Ceradini, Cesare Bini, Enrico Pasqualucci, Paolo Ciambrone, V. V. Kulikov, P. Branchini, M. Dreucci, M. Moulson, G. Felici, Debora Leone, Francesco Lacava, A. Passeri, Claudio Gatti, C. Bloise, J. Lee Franzini, W. Mei, F. Nguyen, P. Campana, M. Palutan, P. Massarotti, Barbara Sciascia, M. Martini, S. Dell'Agnello, S. Bertolucci, T. Spadaro, P. Gauzzi, R. Versaci, Igor Sfiligoi, Stefano Veneziano, G. Bencivenni, C. Bacci, P. Franzini, L. Tortora, G. Venanzoni, and M. L. Ferrer
Subjects: Physics, Nuclear physics, Radiative transfer
Published: 2007

121. Dalitz plot analysis of e+e-→π0π0γ events at $\sqrt{s} \simeq{M}_{\phi}$ with the KLOE detector

Author: S. Bertolucci, G. Capon, A. G. Denig, Margherita Primavera, F. Nguyen, T. Spadaro, Luca Tortora, M. Palutan, Enrico Pasqualucci, A. Passeri, P. Gauzzi, Stefano Veneziano, G. Chiefari, C. Di Donato, S. Di Falco, G. Bencivenni, D. Leone, V. Bocci, Paolo Valente, S. Fiore, M. Incagli, Fabrizio Scuri, G. Finocchiaro, W. Kluge, E. Graziani, P. De Simone, S. Müller, T. Capussela, G. F. Xu, Francesco Lacava, S. Dell'Agnello, S. Miscetti, E. Santovetti, A. Ferrari, P. Massarotti, Massimo Antonelli, G. De Zorzi, E. De Lucia, Barbara Sciascia, Andrea Ventura, J. Lee-Franzini, M. Martini, F. Ambrosino, M. Testa, S. Meola, D. Bowring, Filippo Ceradini, G. Lanfranchi, Edoardo Gorini, S. Conetti, A. Antonelli, B. Di Micco, A. Di Domenico, Paolo Santangelo, Pierluigi Campana, C. Bacci, Claudio Gatti, Cesare Bini, C. Bloise, P. Beltrame, F. Bossi, F. Murtas, Paolo Ciambrone, F. Perfetto, S. Chi, P. Franzini, B. Valeriani, G. Venanzoni, G. Saracino, S. Bocchetta, Vincenzo Patera, W. Mei, S. Giovannella, A. Sciubba, P. Branchini, M. Dreucci, R. Caloi, M. L. Ferrer, R. Versaci, Igor Sfiligoi, Alessandra Doria, Ludovico Pontecorvo, V. V. Kulikov, C. Forti, M. Napolitano, M. Moulson, A. De Santis, and G. Felici
Subjects: Nuclear physics, Physics, Particle physics, Particle decay, Pair production, Physics and Astronomy (miscellaneous), Meson, Branching fraction, Dalitz plot, Invariant mass, Coupling (probability), Engineering (miscellaneous), Effective mass (spring–mass system)
Abstract: We have studied the Dalitz plot of the e+e-→π0π0γ events (Nπ0π0γ∼65000) collected at $\sqrt{s} \simeq{M}_{\phi}$ with the KLOE detector. In the dipion invariant mass (Mππ) region below 700 MeV, the process under study is dominated by the non-resonant process e+e-→ωπ0 with ω→π0γ whereas, for higher Mππ values, the radiative φ decay to the f0(980) is the dominant mechanism. Different theoretical models are used to fit the Dalitz plot, taking also into account a possible contribution of the σ(600). For each model, we extract the f0(980) mass and its coupling to ππ, KK and to the φ.
Published: 2006

122. The Effect of Short Oxidation Time on Zr (Fe,Cr)2 Laves Phases

Author: C. Saragovi, F. Saporiti, P. Vázquez, R. Versaci, C. Ramos, and P. B. Bozzano
Subjects: Diffraction, Crystallography, Materials science, Hexagonal crystal system, Kinetics, Mössbauer spectroscopy
Abstract: Two Laves phases Zr (Cr0.40 Fe0.60)2 ((C14) hexagonal structure) and Zr(Cr0.15 Fe0.85)2 ((C15) cubic structure) when oxidized 3 minutes in an open furnace were characterized by X-Ray diffraction (XRD) and Mossbauer Spectroscopy (MS) techniques. Oxidation modified them but part of the original Laves phases remained. Zr2−xOx, Cr oxides, α-Cr, (Fe, Cr) oxides, α-Fe and α-Fe2O3 were formed. The presence of α-Fe sustains a model previously suggested for the oxidation of the Laves phases. On the other hand, the existence of α-Fe2O3 together with α-Fe suggests that 3 minutes is longer than the necessary time to follow the oxidation kinetics.
Published: 2002

123. Characterization of the Laves Phases Zr(Cr,Fe)2 Oxidized in an Open Furnace Using Mössbauer Spectroscopy

Author: C. Ramos, I. Raspini, P. B. Bozzano, R. Versaci, P. Vázquez, F. Saporiti, and C. Saragovi
Subjects: Diffraction, Crystallography, Analytical electron microscopy, Materials science, Hexagonal crystal system, Mössbauer spectroscopy, Analytical chemistry, Characterization (materials science)
Abstract: Three Laves phases Zr(Cr0.40Fe0.60)2, Zr(Cr0.95Fe0.05)2 and Zr(Cr0.15Fe0.85)2 were characterized when oxidized 7 min using Analytical Electron Microscopy (AEM), X-ray diffraction (XRD) and Mossbauer spectroscopy (MS) techniques. The first sample occurs as a hexagonal structure (C14) the other two as cubic (C15) structures. Oxidation modified them but their corresponding Laves phases still, remained. Besides, Zr1−x O x , Cr oxides, α-Cr, (Fe, Cr) oxides, α-Fe and a-Fe2O3 were formed in the Fe-rich samples at variance of the Cr-rich one, in which α-Fe and α-Fe2O3 were absent. The appearance of α-Fe supported the model previously suggested for the oxidation of the Laves phases. Results also suggested that future oxidation times have to be chosen accordingly to the composition of the Laves phases to follow stages of their oxidation.
Published: 2002

124. Erratum to: Precise measurement of Γ(K→e ν(γ))/Γ(K→μ ν(γ)) and study of K→e ν γ

Author: AMBROSINO, FABIO, CAPUSSELA, TIZIANA, MASSAROTTI, PAOLO, NAPOLITANO, MARCO, A. Antonelli, M. Antonelli, F. Archilli, P. Beltrame, G. Bencivenni, C. Bini, C. Bloise, S. Bocchetta, F. Bossi, P. Branchini, G. Capon, D. Capriotti, F. Ceradini, P. Ciambrone, E. Lucia, A. Santis, P. Simone, G. Zorzi, A. Denig, A. Domenico, C. Donato, B. Micco, M. Dreucci, G. Felici, S. Fiore, P. Franzini, C. Gatti, P. Gauzzi, S. Giovannella, E. Graziani, M. Jacewicz, V. Kulikov, G. Lanfranchi, J. Lee Franzini, M. Martini, S. Meola, S. Miscetti, M. Moulson, S. Müller, F. Murtas, F. Nguyen, M. Palutan, A. Passeri, V. Patera, P. Santangelo, B. Sciascia, A. Sibidanov, T. Spadaro, L. Tortora, P. Valente, G. Venanzoni, R. Versaci, Ambrosino, Fabio, A., Antonelli, M., Antonelli, F., Archilli, P., Beltrame, G., Bencivenni, C., Bini, C., Bloise, S., Bocchetta, F., Bossi, P., Branchini, G., Capon, D., Capriotti, Capussela, Tiziana, F., Ceradini, P., Ciambrone, E., Lucia, A., Santi, P., Simone, G., Zorzi, A., Denig, A., Domenico, C., Donato, B., Micco, M., Dreucci, G., Felici, S., Fiore, P., Franzini, C., Gatti, P., Gauzzi, S., Giovannella, E., Graziani, M., Jacewicz, V., Kulikov, G., Lanfranchi, J., Lee Franzini, M., Martini, Massarotti, Paolo, S., Meola, S., Miscetti, M., Moulson, S., Müller, F., Murta, Napolitano, Marco, F., Nguyen, M., Palutan, A., Passeri, V., Patera, P., Santangelo, B., Sciascia, A., Sibidanov, T., Spadaro, L., Tortora, P., Valente, G., Venanzoni, and R., Versaci
Subjects: Physics, Physics and Astronomy (miscellaneous), Radiochemistry, Engineering (miscellaneous), Gamma gamma
Published: 2009

125. Precise measurements of the η meson and the neutral kaon masses with the KLOE detector

Author: The KLOE collaboration, F Ambrosino, A Antonelli, M Antonelli, F Archilli, C Bacci, P Beltrame, G Bencivenni, S Bertolucci, C Bini, C Bloise, S Bocchetta, F Bossi, P Branchini, R Caloi, P Campana, G Capon, T Capussela, F Ceradini, S Chi, G Chiefari, P Ciambrone, E. De Lucia, A. De Santis, P. De Simone, G. De Zorzi, A Denig, A. Di Domenico, C. Di Donato, B. Di Micco, A Doria, M Dreucci, G Felici, A Ferrari, M. L Ferrer, S Fiore, C Forti, P Franzini, C Gatti, P Gauzzi, S Giovannella, E Gorini, E Graziani, W Kluge, V Kulikov, F Lacava, G Lanfranchi, J Lee-Franzini, D Leone, M Martini, P Massarotti, W Mei, S Meola, S Miscetti, M Moulson, S Müller, F Murtas, M Napolitano, F Nguyen, M Palutan, E Pasqualucci, A Passeri, V Patera, F Perfetto, M Primavera, P Santangelo, G Saracino, B Sciascia, A Sciubba, A Sibidanov, T Spadaro, M Testa, L Tortora, P Valente, G Venanzoni, R Versaci, G Xu, The KLOE, Collaboration, Ambrosino, Fabio, A., Antonelli, M., Antonelli, F., Archilli, C., Bacci, P., Beltrame, G., Bencivenni, S., Bertolucci, C., Bini, C., Bloise, S., Bocchetta, F., Bossi, P., Branchini, R., Caloi, P., Campana, G., Capon, T., Capussela, F., Ceradini, S., Chi, Chiefari, Giovanni, P., Ciambrone, E., De Lucia, A., De Santi, P., De Simone, G., De Zorzi, A., Denig, A., Di Domenico, C., Di Donato, B., Di Micco, A., Doria, M., Dreucci, G., Felici, A., Ferrari, M. L., Ferrer, S., Fiore, C., Forti, P., Franzini, C., Gatti, P., Gauzzi, S., Giovannella, E., Gorini, E., Graziani, W., Kluge, V., Kulikov, F., Lacava, G., Lanfranchi, J., Lee Franzini, D., Leone, M., Martini, Massarotti, Paolo, W., Mei, S., Meola, S., Miscetti, M., Moulson, S., Müller, F., Murta, Napolitano, Marco, F., Nguyen, M., Palutan, E., Pasqualucci, A., Passeri, V., Patera, F., Perfetto, M., Primavera, P., Santangelo, Saracino, Giulio, B., Sciascia, A., Sciubba, A., Sibidanov, T., Spadaro, M., Testa, L., Tortora, P., Valente, G., Venanzoni, R., Versaci, and G., Xu
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, Detector, Sigma, High Energy Physics::Experiment, e plus -e experiments, Nuclear Experiment, Mass measurement, Gamma gamma
Abstract: We present precise measurements of the eta and K0 masses using the processes phi to eta gamma, eta to gamma gamma and phi to Ks Kl, Ks to pi+ pi-. The K0 mass measurement, M_K=497.583 +/- 0.005 (stat) +/- 0.020 (syst) MeV, is in acceptable agreement with the previous measurements but is more accurate. We find m(eta) = 547.874 +/- 0.007 (stat) +/- 0.031 (syst) MeV. Our value is the most accurate to date and is in agreement with two recent measurements based on eta decays, but is inconsistent, by about 10 sigma, with a measurement of comparable precision based on eta production at threshold.
Published: 2007

126. Erratum to: 'Study of the decay ϕ→π+π−π0 with the KLOE detector' [Phys. Lett. B 561 (2003) 55]

Author: Leonardo Merola, S. Ventura, P. Franzini, G. De Zorzi, Massimo Casarsa, F. Ambrosino, P. Valente, Filippo Ceradini, S. Bertolucci, A. G. Denig, G. Finocchiaro, O. Erriquez, A. Ferrari, G. Lanfranchi, F. Perfetto, B. Valeriani, G. Venanzoni, F. Cervelli, T. Spadaro, C. Bloise, Enrico Pasqualucci, Paolo Ciambrone, M. L. Ferrer, A. Nedosekin, G. Chiefari, E. Santovetti, L. Passalacqua, G.L. Tong, V. V. Kulikov, Vincenzo Patera, F Bellini, E. De Lucia, C. Di Donato, F. Nguyen, P. Branchini, M. Dreucci, C. Bacci, Addolorata Farilla, Cesare Bini, A. Sciubba, F. Grancagnolo, G.W. Yu, Luca Tortora, C. Forti, S.W. Han, P. De Simone, M. Palutan, Alessandra Doria, S. Dell'Agnello, C. Kuo, S. Conetti, D. Leone, Juliet Lee-Franzini, G. De Robertis, M. Napolitano, P. Silano, B. Di Micco, Edoardo Gorini, G. Felici, R. D. Schamberger, A. Franceschi, F. Lu, M. A. Matsyuk, P. Gauzzi, Emilio Petrolo, Giuseppe Pirozzi, F. Bossi, T. Capussela, Paolo Santangelo, Pierluigi Campana, F. Murtas, G. Saracino, R. Messi, Massimo Antonelli, M. Moulson, S. Giovannella, Francesco Lacava, G. Carboni, V. Casavola, Ludovico Pontecorvo, A.L. Sibidanov, R. Versaci, Alberto Aloisio, Igor Sfiligoi, Y. Xu, W. Kluge, Barbara Sciascia, Andrea Ventura, C. Gatti, R. Caloi, Margherita Primavera, V. Bocci, W. Mei, A. Antonelli, E. Graziani, Stefano Veneziano, M. Incagli, M. Martemianov, G. Bencivenni, Fabrizio Scuri, F. Ruggieri, G. Capon, A. Passeri, S.A. Bulychjov, S. Miscetti, E. Spiriti, F. Cevenini, E. Valente, G. Cataldi, L. Ingrosso, G. Cabibbo, S. Di Falco, S. Müller, and A. Di Domenico
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Amplitude, Density distribution, Electron–positron annihilation, Detector, Pi, Dalitz plot, High Energy Physics::Experiment, Charge (physics), Nuclear Experiment, Omega
Abstract: We present a study of the reaction e+e- --> pi+pi-pi0 at the phi peak W=M(phi)=1019.4 MeV observed with the KLOE detector at Dafne. The reaction is dominated by phi production and decay, e+e- --> phi --> pi+pi-pi0. From a fit to the Dalitz plot density distribution we obtain the rho-meson parameters for its three charge states. We also find the relative amplitudes for phi --> rhopi and phi -> pi+pi-pi0 and the cross-section for e+e- --> omega pi0 with omega --> pi+pi-.
Published: 2005

127. Determination of η → π+π−π0Dalitz plot slopes and asymmetries with the KLOE detector

Author: The KLOE collaboration, F Ambrosino, A Antonelli, M Antonelli, F Archilli, C Bacci, P Beltrame, G Bencivenni, S Bertolucci, C Bini, C Bloise, S Bocchetta, F Bossi, P Branchini, R Caloi, P Campana, G Capon, T Capussela, F Ceradini, F Cesario, S Chi, G Chiefari, P Ciambrone, F Crucianelli, E. De Lucia, A. De Santis, P. De Simone, G. De Zorzi, A Denig, A. Di Domenico, C. Di Donato, B. Di Micco, A Doria, M Dreucci, G Felici, A Ferrari, M. L Ferrer, S Fiore, C Forti, P Franzini, C Gatti, P Gauzzi, S Giovannella, E Gorini, E Graziani, W Kluge, V Kulikov, F Lacava, G Lanfranchi, J Lee-Franzini, D Leone, M Martini, P Massarotti, W Mei, S Meola, S Miscetti, M Moulson, S Müller, F Murtas, M Napolitano, F Nguyen, M Palutan, E Pasqualucci, A Passeri, V Patera, F Perfetto, M Primavera, P Santangelo, G Saracino, B Sciascia, A Sciubba, A Sibidanov, T Spadaro, M Testa, L Tortora, P Valente, G Venanzoni, R Versaci, G Xu, Ambrosino, F, Antonelli, A, Antonelli, M, Archilli, F, Bacci, C, Beltrame, P, Bencivenni, G, Bertolucci, S, Bini, C, Bloise, C, Bocchetta, S, Bossi, F, Branchini, P, Caloi, R, Campana, P, Capon, G, Capussela, T, Ceradini, Filippo, Cesario, F, Chi, S, Chiefari, G, Ciambrone, P, Crucianell, F, De Lucia, E, De Santis, A, De Simone, P, De Zorzi, G, Denig, A, Di Domenico, A, Di Donato, C, DI MICCO, Biagio, Doria, A, Dreucci, M, Felici, G, Ferrari, A, Ferrer, Ml, Fiore, S, Forti, C, Franzini, P, Gatti, C, Gauzzi, P, Giovannella, S, Gorini, E, Graziani, E, Kluge, W, Kulikov, V, Lacava, F, Lanfranchi, G, Lee Franzini, J, Leone, D, Martini, M, Massarotti, P, Mei, W, Meola, S, Miscetti, S, Moulson, M, Muller, S, Murtas, F, Napolitano, M, Nguyen, F, Palutan, M, Pasqualucci, E, Passeri, A, Patera, V, Perfetto, F, Primavera, M, Santangelo, P, Saracino, G, Sciascia, B, Sciubba, A, Sibidanov, A, Spadaro, T, Testa, M, Tortora, L, Valente, P, Venanzoni, G, Versaci, R, Xu, G., Ambrosino, Fabio, Capussela, Tiziana, Chiefari, Giovanni, DI DONATO, Camilla, A., Doria, Massarotti, Paolo, Meola, Sabino, Napolitano, Marco, Perfetto, Francesco, Saracino, Giulio, Ceradini, F, DE LUCIA, E, DE SANTIS, A, DE SIMONE, P, DE ZORZI, G, DI DOMENICO, A, DI DONATO, C, DI MICCO, B, Gorini, Edoardo, LEE FRANZINI, J, and Primavera, Margherita
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), Meson, E+-e- experiments, Electron–positron annihilation, Detector, Dalitz plot, High Energy Physics - Experiment, Density distribution, High Energy Physics::Experiment, Nuclear Experiment, Parametrization
Abstract: We have studied, with the KLOE detector at the DA$\Phi$NE $\Phi$-Factory, the dynamics of the decay $\eta\to\pi^+\pi^-\pi^0$ using $\eta$ mesons from the decay $\phi\to\eta\gamma$ for an integrated luminosity ${\mathcal L}$ = 450 pb$^{-1}$. From a fit to the Dalitz plot density distribution we obtain a precise measurement of the slope parameters. An alternative parametrization relates the $\pi^+\pi^-\pi^0$ slopes to that for $\eta\to 3\pi^0$ showing the consistency of KLOE results for both channels. We also obtain the best confirmation of the $C$-invariance in the $\eta\to\pi^+\pi^-\pi^0$ decay., Comment: 15 pages, 7 figures
Published: 2008

128. Upper limit on the η→γγγ branching ratio with the KLOE detector

Author: Juliet Lee-Franzini, S. Müller, S. Bertolucci, S. Giovannella, G. Finocchiaro, O. Erriquez, A. Ferrari, G. Lanfranchi, Massimo Testa, G. Carboni, S. Dell'Agnello, G. De Zorzi, F. Ambrosino, B. Di Micco, C. Bloise, S. Miscetti, G. Chiefari, Margherita Primavera, Emilio Petrolo, F. Perfetto, B. Valeriani, Filippo Ceradini, F. Cervelli, E. Spiriti, C. Di Donato, M. Incagli, Enrico Pasqualucci, M. Moulson, C. Bacci, Cesare Bini, C. Gatti, Fabrizio Scuri, I. Villella, T. Spadaro, R. Versaci, Igor Sfiligoi, S. Di Falco, Paolo Ciambrone, A. Denig, Stefano Veneziano, Alberto Aloisio, G. Bencivenni, S. Ventura, P. Franzini, E. Santovetti, Francesco Lacava, W. Mei, R. Messi, Barbara Sciascia, Andrea Ventura, G. Felici, L. Merola, A. Di Domenico, A.L. Sibidanov, Addolorata Farilla, C. Forti, Paolo Santangelo, Pierluigi Campana, G. Xu, F. Bossi, Alessandra Doria, F. Murtas, M. Napolitano, S. Conetti, G. Saracino, V. Bocci, M. A. Matsyuk, Vincenzo Patera, L. Passalacqua, P. De Simone, P. Branchini, R. Caloi, G. Venanzoni, M. Dreucci, Massimo Antonelli, V. V. Kulikov, T. Capussela, W. Kluge, Luca Tortora, A. Sciubba, Edoardo Gorini, E. De Lucia, M. L. Ferrer, Ludovico Pontecorvo, F. Cevenini, M. Martemianov, S.A. Bulychjov, A. Antonelli, R. D. Schamberger, P. Valente, D. Leone, F. Nguyen, E. Graziani, M. Palutan, F. Lu, P. Gauzzi, G. Capon, A. Passeri, Aloisio, Alberto, Ambrosino, Fabio, A., Antonelli, M., Antonelli, C., Bacci, G., Bencivenni, S., Bertolucci, C., Bini, C., Bloise, V., Bocci, F., Bossi, P., Branchini, S. A., Bulychjov, R., Caloi, P., Campana, G., Capon, T., Capussela, G., Carboni, F., Ceradini, F., Cervelli, F., Cevenini, Chiefari, Giovanni, P., Ciambrone, S., Conetti, E., De lucia, P., De simone, G., De zorzi, S., Dell'Agnello, A., Denig, A., Di domenico, C., Di donato, S., Di Falco, B., Di Micco, A., Doria, M., Dreucci, O., Erriquez, A., Farilla, G., Felici, A., Ferrari, M. L., Ferrer, G., Finocchiaro, C., Forti, P., Franzini, C., Gatti, P., Gauzzi, S., Giovannella, E., Gorini, E., Graziani, M., Incagli, W., Kluge, V., Kulikov, F., Lacava, G., Lanfranchi, J., Lee Franzini, D., Leone, F., Lu, M., Martemianov, M., Matsyuk, W., Mei, Merola, Leonardo, R., Messi, S., Miscetti, M., Moulson, S., Müller, F., Murta, Napolitano, Marco, F., Nguyen, M., Palutan, E., Pasqualucci, L., Passalacqua, A., Passeri, V., Patera, Perfetto, Francesco, E., Petrolo, L., Pontecorvo, M., Primavera, P., Santangelo, E., Santovetti, Saracino, Giulio, R. D., Schamberger, B., Sciascia, A., Sciubba, F., Scuri, I., Sfiligoi, A., Sibidanov, T., Spadaro, E., Spiriti, M., Testa, L., Tortora, P., Valente, B., Valeriani, G., Venanzoni, S., Veneziano, A., Ventura, S., Ventura, R., Versaci, I., Villella, and G., Xu
Subjects: Physics, Nuclear and High Energy Physics, Meson, Branching fraction, hadron physic, Detector, Radius, Calorimeter, Momentum, Nuclear physics, Particle decay, ETA-MESON, KLOE, Dimensionless quantity
Abstract: =547.3 MeV.The KLOE detector consists of a large-volume drift chamber [3] (3.3 m lengthand 2 m radius), operated with a 90% helium-10% isobutane gas mixture, andasampling calorimeter [4]made oflead andscintillating ﬁbres. The calorimeterconsists ofacylindrical barreland two endcaps providing a solid anglecoverageof 98%. A superconducting coil surrounds the entire detector and produces asolenoidal ﬁeld B=0.52 T.Tracks are reconstructed in the drift chamber with a momentum resolution ofσ(p
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129. The O−Zr (Oxygen-Zirconium) system

Author: R. Versaci, J. P. Abriata, and J. Garcés
Subjects: Zirconium, Materials science, chemistry, Inorganic chemistry, Materials Chemistry, Metals and Alloys, General Engineering, chemistry.chemical_element, Condensed Matter Physics, Oxygen
Published: 1986

130. Precise measurement of Γ(K→e ν(γ))/Γ(K→μ ν(γ)) and study of K→e ν γ

Author: B. Di Micco, G. Venanzoni, Massimo Antonelli, S. Miscetti, E. De Lucia, Marek Jacewicz, P. Franzini, Stefan E. Müller, R. Versaci, Flavio Archilli, P. Valente, Claudio Gatti, C. Bloise, L. Tortora, Paolo Santangelo, G. Capon, T. Spadaro, G. Bencivenni, J. Lee-Franzini, A. Di Domenico, S. Bocchetta, T. Capussela, F. Murtas, F. Bossi, A. Denig, G. De Zorzi, A.L. Sibidanov, F. Ambrosino, S. Meola, S. Fiore, P. Gauzzi, P. Massarotti, G. Lanfranchi, Barbara Sciascia, E. Graziani, M. Martini, D. Capriotti, A. Antonelli, Cesare Bini, Vincenzo Patera, P. Beltrame, P. Branchini, M. Dreucci, A. Passeri, F. Nguyen, M. Palutan, C. Di Donato, P. De Simone, G. Felici, Filippo Ceradini, Paolo Ciambrone, S. Giovannella, M. Napolitano, M. Moulson, A. De Santis, and V. V. Kulikov
Subjects: Physics, Particle physics, Meson, Physics and Astronomy (miscellaneous), Branching fraction, Hadron, Elementary particle, Lepton number, Nuclear physics, Particle decay, High Energy Physics::Experiment, Engineering (miscellaneous), Lepton, Dimensionless quantity
Abstract: We present a precise measurement of the ratio R K =Γ(K→e ν(γ))/Γ(K→μ ν(γ)) and a study of the radiative process K→e ν γ, performed with the KLOE detector. The results are based on data collected at the Frascati e + e − collider DAΦNE for an integrated luminosity of 2.2 fb−1. We find R K =(2.493±0.025stat±0.019syst)×10−5, in agreement with the Standard Model expectation. This result is used to improve constraints on parameters of the Minimal Supersymmetric Standard Model with lepton flavor violation. We also measured the differential decay rate dΓ(K→e ν γ)/dE γ for photon energies 10
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131. Measurement of the K-L ->pi mu nu form factor parameters with the KLOE detector

Author: The KLOE collaboration, F Ambrosino, A Antonelli, M Antonelli, F Archilli, C Bacci, P Beltrame, G Bencivenni, S Bertolucci, C Bini, C Bloise, S Bocchetta, F Bossi, P Branchini, R Caloi, P Campana, G Capon, T Capussela, F Ceradini, S Chi, G Chiefari, P Ciambrone, E. De Lucia, A. De Santis, P. De Simone, G. De Zorzi, A Denig, A. Di Domenico, C. Di Donato, B. Di Micco, A Doria, M Dreucci, G Felici, A Ferrari, M. L Ferrer, S Fiore, C Forti, P Franzini, C Gatti, P Gauzzi, S Giovannella, E Gorini, E Graziani, W Kluge, V Kulikov, F Lacava, G Lanfranchi, J Lee-Franzini, D Leone, M Martini, P Massarotti, W Mei, S Meola, S Miscetti, M Moulson, S Müller, F Murtas, M Napolitano, F Nguyen, M Palutan, E Pasqualucci, A Passeri, V Patera, F Perfetto, M Primavera, P Santangelo, G Saracino, B Sciascia, A Sciubba, A Sibidanov, T Spadaro, M Testa, L Tortora, P Valente, G Venanzoni, R Versaci, G Xu, The KLOE, Collaboration, Ambrosino, Fabio, A., Antonelli, M., Antonelli, F., Archilli, C., Bacci, P., Beltrame, G., Bencivenni, S., Bertolucci, C., Bini, C., Bloise, S., Bocchetta, F., Bossi, P., Branchini, R., Caloi, P., Campana, G., Capon, Capussela, Tiziana, F., Ceradini, S., Chi, Chiefari, Giovanni, P., Ciambrone, E., De Lucia, A., De Santi, P., De Simone, G., De Zorzi, A., Denig, A., Di Domenico, C., Di Donato, B., Di Micco, A., Doria, M., Dreucci, G., Felici, A., Ferrari, M. L., Ferrer, S., Fiore, C., Forti, P., Franzini, C., Gatti, P., Gauzzi, S., Giovannella, E., Gorini, E., Graziani, W., Kluge, V., Kulikov, F., Lacava, G., Lanfranchi, J., Lee Franzini, D., Leone, M., Martini, Massarotti, Paolo, W., Mei, S., Meola, S., Miscetti, M., Moulson, S., Müller, F., Murta, Napolitano, Marco, F., Nguyen, M., Palutan, E., Pasqualucci, A., Passeri, V., Patera, F., Perfetto, M., Primavera, P., Santangelo, Saracino, Giulio, B., Sciascia, A., Sciubba, A., Sibidanov, T., Spadaro, M., Testa, L., Tortora, P., Valente, G., Venanzoni, R., Versaci, and G., Xu
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Cabibbo–Kobayashi–Maskawa matrix, e plus -e- experiments, Lattice (order), Strong interaction, Detector, Lepton, Universality (dynamical systems)
Abstract: Using 328 pb−1 of data collected at DAΦNE corresponding to ~1.8 million KL → πμν decays, we have measured the Kμ3 form factor parameters. The structure of the K−π vector-current provides information about the dynamics of the strong interaction; its knowledge is necessary for evaluation of the phase-space integral required for measuring the CKM matrix element Vus and for testing lepton universality in kaon decays. Using a new parametrization for the vector and scalar form factors, we find λ+ = (25.7 ± 0.6) × 10−3, and λ0 = (14.0 ± 2.1) × 10−3. Our result for λ0, together with recent lattice calculations of fπ, fK and f(0), satisfies the Callan-Treiman relation.

132. Kloe recent results: A review

Author: F. Nguyen, M. Palutan, G. Capon, P. Beltrame, S. Müller, L. Tortora, P. De Simone, W. Kluge, E. De Lucia, S. Miscetti, Marek Jacewicz, T. Spadaro, Juliet Lee-Franzini, M. Napolitano, F. Archilli, P. Franzini, G. De Zorzi, Claudio Gatti, C. Bloise, A. Passeri, F. Ambrosino, G. Felici, G. Bencivenni, G. Xu, S. Fiore, E. Graziani, M. Moulson, A. De Santis, F. Bossi, G. Venanzoni, Filippo Ceradini, S. Giovannella, Paolo Santangelo, Massimo Antonelli, F. Murtas, A. Di Domenico, T. Capussela, Paolo Ciambrone, Antonio de Santis, P. Massarotti, S. Meola, Barbara Sciascia, M. Martini, B. Di Micco, P. Branchini, M. Dreucci, P. Gauzzi, A. Antonelli, R. Versaci, Cesare Bini, A. G. Denig, Simona Serena Bocchetta, C. Di Donato, P. Valente, Vincenzo Patera, A. D., Santi, Ambrosino, Fabio, A., Antonelli, M., Antonelli, F., Archilli, P., Beltrame, G., Bencivenni, C., Bini, C., Bloise, S., Bocchetta, F., Bossi, P., Branchini, G., Capon, Capussela, Tiziana, F., Ceradini, P., Ciambrone, E. D., Lucia, P. D., Simone, G. D., Zorzi, A., Denig, A. D., Domenico, C. D., Donato, B. D., Micco, M., Dreucci, G., Felici, S., Fiore, P., Franzini, C., Gatti, P., Gauzzi, S., Giovannella, E., Graziani, M., Jacewicz, W., Kluge, J., Lee Franzini, M., Martini, Massarotti, Paolo, S., Meola, S., Miscetti, M., Moulson, S., M��ller, F., Murta, Napolitano, Marco, F., Nguyen, M., Palutan, A., Passeri, V., Patera, P., Santangelo, B., Sciascia, T., Spadaro, L., Tortora, P., Valente, G., Venanzoni, R., Versaci, and G., Xu

133. Characterization and Statistical Distribution of Grain Boundaries in Ni3Al

Author: Diana Farkas, M.O. Lewus, R. Versaci, Ho Jang, and E. J. Savino
Subjects: Materials science, Condensed matter physics, Distribution (number theory), law, Plane orientation, Grain boundary, Electron microscope, law.invention, Characterization (materials science)
Abstract: Grain Boundaries in two specimens of Ni 4 Al of different compositions and mechanical behavior were studied by electron microscopy. SEM was used to determine the distribution of Σ values in both samples. TEM results were combined with CSL theory to completely characterize the nature of the boundaries, including Σ values and the grain boundary plane orientation. The boundaries most commonly observed in the experiments were also studied using a computer simulation technique and the results correlated with the experimental observations.
Published: 1988

134. Latest results from KLOE at DAΦNE

Author: S. Miscetti, F. Nguyen, A. Di Domenico, Filippo Ceradini, P. Gauzzi, A. G. Denig, A. Ferrari, M. Palutan, D. Bowring, E. De Lucia, P. Branchini, M. Dreucci, S. Meola, G. Saracino, S. Bocchetta, G. Chiefari, S. Di Falco, G. Finocchiaro, Enrico Pasqualucci, Vincenzo Patera, C. Di Donato, A. Sciubba, Margherita Primavera, S. Müller, M. Incagli, G. Xu, Paolo Ciambrone, B. Di Micco, S. Dell'Agnello, G. Venanzoni, S. Bertolucci, Francesco Lacava, R. Caloi, Fabrizio Scuri, F. Perfetto, Edoardo Gorini, M. L. Ferrer, V. V. Kulikov, D. Leone, T. Spadaro, Paolo Santangelo, Pierluigi Campana, A. Passeri, B. Valeriani, F. Murtas, G. Felici, Claudio Gatti, Juliet Lee-Franzini, C. Bloise, Alessandra Doria, M. Moulson, A. De Santis, G. Lanfranchi, Luca Tortora, V. Bocci, M. Testa, Ludovico Pontecorvo, R. Versaci, Igor Sfiligoi, S. Giovannella, C. Forti, P. De Simone, M. Napolitano, S. Chi, E. Santovetti, P. Beltrame, S. Conetti, P. Massarotti, W. Mei, Barbara Sciascia, Andrea Ventura, M. Martini, Paolo Valente, Stefano Veneziano, G. Bencivenni, W. Kluge, G. De Zorzi, F. Ambrosino, S. Fiore, G. Capon, E. Graziani, Massimo Antonelli, T. Capussela, A. Antonelli, P. Franzini, C. Bacci, Cesare Bini, F. Bossi, Gauzzi, P, Ambrosino, F, Antonelli, A, Antonelli, M, Bacci, C, Beltrame, P, Bencivenni, G, Bertolucci, S, Bini, C, Bloise, C, Bocchetta, S, Bocci, V, Bossi, F, Bowring, D, Branchini, P, Caloi, R, Campana, P, Capon, G, Capussela, T, Ceradini, F, Chi, S, Chiefari, G, Ciambrone, P, Conetti, S, De Lucia, E, De Santis, A, De Simone, P, De Zorzi, G, Dell'Agnello, S, Denig, A, Di Domenico, A, Di Donato, C, Di Falco, S, Di Micco, B, Doria, A, Dreucci, M, Felici, G, Ferrari, A, Ferrer, Ml, Finocchiaro, G, Fiore, S, Forti, C, Franzini, P, Gatti, C, Giovannella, S, Gorini, Edoardo, Graziani, E, Incagli, M, Kluge, W, Kulikov, V, Lacava, F, Lanfranchi, G, Lee Franzini, J, Leone, D, Martini, M, Massarotti, P, Mei, W, Meola, S, Miscetti, S, Moulson, M, Muller, S, Murtas, F, Napolitano, M, Nguyen, F, Palutan, M, Pasqualucci, E, Passeri, A, Patera, V, Perfetto, F, Pontecorvo, L, Primavera, Margherita, Santangelo, P, Santovetti, E, Saracino, G, Sciascia, B, Sciubba, A, Scuri, F, Sfiligoi, I, Spadaro, T, Testa, M, Tortora, L, Valente, P, Valeriani, B, Venanzoni, G, Veneziano, S, Ventura, Andrea, Versaci, R, Xu, G., Ambrosino, Fabio, Capussela, Tiziana, S., Chi, Chiefari, Giovanni, C., Di Donato, A., Doria, Massarotti, Paolo, S., Meola, Napolitano, Marco, Perfetto, Francesco, and Saracino, Giulio
Subjects: KLOE, Dafne, Physics, Nuclear and High Energy Physics, Particle physics, Meson, Scalar (mathematics), Light scalar mesons, Astronomy and Astrophysics, Resonance (particle physics), Atomic and Molecular Physics, and Optics, Pseudoscalar mesons, Settore FIS/04 - Fisica Nucleare e Subnucleare, law.invention, Pseudoscalar, Nuclear physics, law, Radiative transfer, Physics::Accelerator Physics, High Energy Physics::Experiment, Kaon physics, Collider
Abstract: The KLOE experiment has finished its data taking at the e + e - collider DAΦNE in Frascati. KLOE has collected 2.5 fb-1 at the peak of the ϕ resonance, and 250 pb-1 at [Formula: see text]. The latest experimental results based on a sample of 450 pb-1 are presented in this paper: they mainly concern the neutral and charged kaon decays, and the radiative ϕ decays into scalar and pseudoscalar mesons.

135. Dalitz plot analysis of the n→π0π0π 0 and η → π+ π- π0 decays with KLOE

Author: Ambrosino, F., Antonelli, A., Antonelli, M., Archilli, F., Bacci, C., Paolo Beltrame, Bencivenni, G., Bertolucci, S., Bini, C., Bloise, C., Bocchetta, S., Bocci, V., Bossi, F., Branchini, P., Caloi, R., Campana, P., Capon, G., Capussela, T., Ceradini, F., Chi, S., Chiefari, G., Ciambrone, P., Lucia, E., Santis, A., Simone, P., Zorzi, G., Denig, A., Di Domenico, A., Di Donato, C., Di Falco, S., Di Micco, B., Doria, A., Dreucci, M., Felici, G., Ferrari, A., Ferrer, L., Finocchiaro, G., Fiore, S., Forti, C., Franzini, P., Gatti, C., Gauzzi, P., Giovannella, S., Gorini, E., Graziani, E., Incagli, M., Kluge, W., Kulikov, V., Lacava, F., Lanfranchi, G., Lee-Franzini, J., Leone, D., Martini, M., Massarotti, P., Mei, W., Meola, S., Miscetti, S., Moulson, M., Müller, S., Murtas, F., Napolitano, M., Nguyen, F., Palutan, M., Pasqualucci, E., Passeri, A., Patera, V., Perfetto, F., Primavera, M., Santangelo, P., Saracino, G., Sciascia, B., Sciubba, A., Scuri, F., Sfiligoi, I., Spadaro, T., Testa, M., Tortora, L., Valente, P., Valeriani, B., Venanzoni, G., R Versaci, M., and Xu, G.

136. Age-hardening and precipitation phenomena in the inconel-713C superalloy studied by means of positron lifetime spectroscopy

Author: R. Versaci, A. Ges, G. Santos, A. Somoza, and Fernando Plazaola
Subjects: Superalloy, Positron, Materials science, Precipitation hardening, Positron Lifetime Spectroscopy, Metallurgy, Intermetallic, Condensed Matter Physics, Inconel, Microstructure, Indentation hardness, Electronic, Optical and Magnetic Materials
Abstract: Specimens of the commercial superalloy Inconel-713C were heat treated by using isothermal artificial ageing treatments in order to obtain information on the process of precipitation of the γ'-phase which is an intermetallic compound with a composition of Ni3(Al, Ti) having a L12-ordered structure. The experimental information was basically obtained by means of positron lifetime spectroscopy and Vickers microhardness. In some specific cases, transmission electron microscopy was also used. From the positron results it was possible to analyze the influence of the homogenization and quenching procedures on the microstructure and to follow the coarsening of the smallest γ'-particles during the very early stage of artificial ageing at 950 °C. For long ageing times, when the over-ageing condition of the superalloy was clearly observed by a hardness decrease, the positron lifetime evolution reaches a stable maximum value and different annihilation mechanisms were discussed.

137. Observation of the η →π+π-e+e-decay at KLOE

Author: Ambrosino, F., Antonelli, A., Antonelli, M., Bacci, C., Beltrame, P., Bencivenni, G., Bertolucci, S., Bini, C., Bloise, C., Bocchetta, S., Bocci, V., Bossi, F., Paolo Branchini, Caloi, R., Campana, P., Capon, G., Capussela, T., Ceradini, F., Chi, S., Chiefari, G., Ciambrone, P., Lucia, E., Santis, A., Simone, P., Zorzi, G., Denig, D., Di Domenico, A., Di Donato, C., Di Falco, S., Micco, D., Doria, A., Dreucci, M., Felici, G., Ferrari, A., Ferrer, L., Finocchiaro, G., Fiore, S., Forti, C., Franzini, P., Gatti, C., Gauzzi, P., Giovannella, S., Gorini, E., Graziani, E., Incagli, M., Kluge, W., Kulikov, V., Lacava, F., Lanfranchi, G., Lee-Franzini, J., Leone, D., Martini, M., Massarotti, P., Mei, W., Meola, S., Miscetti, S., Moulson, M., Müller, S., Murtas, F., Napolitano, M., Nguyen, F., Palutan, M., Pasqualucci, E., Passeri, A., Patera, V., Perfetto, F., Primavera, M., Santangelo, P., Saracino, G., Sciascia, B., Sciubba, A., Scuri, F., Sfiligoi, I., Spadaro, T., Testa, M., Tortora, L., Valente, P., Valeriani, B., Venanzoni, G., R Versaci, M., and Xu, G.

138. Status and perspectives of the KLOE-2 experiment

Author: E. Iarocci, Jarosław Zdebik, F. Bossi, Juliet Lee-Franzini, D. Babusci, Michał Silarski, G. De Robertis, P. Branchini, I. Prado Longhi, G. Venanzoni, E. De Lucia, F. Gonnella, Gianfranco Morello, Maxim Martemianov, P. Gauzzi, W. Wislicki, S. Miscetti, Giuseppe Mandaglio, O. Erriquez, Marek Jacewicz, G. Capon, A. Di Domenico, C. F. Redmer, C. Bloise, A. Budano, P. Campana, R. Versaci, Eryk Czerwiński, Filippo Ceradini, E. Dané, Anna Bozena Kowalewska, Cesare Bini, Paolo Ciambrone, D. Moricciani, M. A. Matsyuk, I. Sarra, Davide Badoni, A. Ranieri, S. Giovannella, Cecilia Taccini, C. Di Donato, G. De Zorzi, D. Domenici, Paolo Santangelo, L. Iafolla, S. Fiore, Bo Höistad, E. Graziani, Stefania Antonia Stucci, Barbara Sciascia, P. Franzini, M. Martini, G. Fanizzi, G. Bencivenni, L. Tortora, V. V. Kulikov, I. Balwierz, A. De Santis, Paweł Moskal, F. Archilli, G. Giardina, M. Martemianov, F. Nguyen, G. Felici, L. Caldiera Balkestahl, A. Passeri, Magnus Wolke, F. Loddo, Vincenzo Patera, Andrzej Kupsc, A. Sciubba, S. A. Bulychjev, M. Mascolo, F. Happacher, Marco Schioppa, R. Messi, T. Johansson, and V. Bocci
Subjects: Nuclear physics, Physics, Particle physics, Quantum decoherence, Upgrade, Dark matter
Abstract: The KLOE experiment has acquired an integrated luminosity greater than 2.5 fb^{-1} at the peak of ø-resonance on the e^{+]e^{-} DAΦNE collider in the Frascati National Laboratory (LNF). New data taking with the upgraded detector (KLOE-2) and DAΦNE should start in the end of 2011. Main modifications of the detector and new interaction region give a unique possibility to collect about 20 fb^{-1} in 3 years. The KLOE-2 wide scientific program which contains the experimental study of CP and CPT symmetries, quantum decoherence, γγ physics and search of the dark matter is presented and briefly discussed.

139. Observation of the η →π+π-e +e- decay at KLOE

Author: Ambrosino, F., Antonelli, A., Antonelli, M., Bacci, C., Beltrame, P., Bencivenni, G., Bertolucci, S., Bini, C., Bloise, C., Bocchetta, S., Bocci, V., Bossi, F., Branchini, P., Caloi, R., Campana, P., Capon, G., Capussela, T., Ceradini, F., Chi, S., Chiefari, G., Ciambrone, P., Lucia, E., Santis, A., Simone, P., Zorzi, G., Denig, D., Di Domenico, A., Di Donato, C., Di Falco, S., Micco, D., Doria, A., Dreucci, M., Felici, G., Ferrari, A., Ferrer, L., Finocchiaro, G., Fiore, S., Forti, C., Franzini, P., Gatti, C., Gauzzi, P., Giovannella, S., Gorini, E., Graziani, E., Incagli, M., Kluge, W., Kulikov, V., Lacava, F., Lanfranchi, G., Lee-Franzini, J., Leone, D., Martini, M., Massarotti, P., Mei, W., Meola, S., Miscetti, S., Moulson, M., Müller, S., Murtas, F., Napolitano, M., Nguyen, F., Palutan, M., Pasqualucci, E., Passeri, A., Patera, V., Perfetto, F., Primavera, M., Santangelo, P., Saracino, G., Sciascia, B., Sciubba, A., Scuri, F., Sfiligoi, I., Spadaro, T., Testa, M., Tortora, L., Paolo Valente, Valeriani, B., Venanzoni, G., R Versaci, M., and Xu, G.

140. Measurement of the charged kaon lifetime with the KLOE detector

Author: The KLOE collaboration, F Ambrosino, A Antonelli, M Antonelli, F Archilli, C Bacci, P Beltrame, G Bencivenni, S Bertolucci, C Bini, C Bloise, S Bocchetta, F Bossi, P Branchini, R Caloi, P Campana, G Capon, T Capussela, F Ceradini, S Chi, G Chiefari, P Ciambrone, E. De Lucia, A. De Santis, P. De Simone, G. De Zorzi, A Denig, A. Di Domenico, C. Di Donato, B. Di Micco, A Doria, M Dreucci, G Felici, A Ferrari, M.L Ferrer, S Fiore, C Forti, P Franzini, C Gatti, P Gauzzi, S Giovannella, E Gorini, E Graziani, W Kluge, V Kulikov, F Lacava, G Lanfranchi, J Lee-Franzini, D Leone, M Martini, P Massarotti, W Mei, S Meola, S Miscetti, M Moulson, S Müller, F Murtas, M Napolitano, F Nguyen, M Palutan, E Pasqualucci, A Passeri, V Patera, F Perfetto, M Primavera, P Santangelo, G Saracino, B Sciascia, A Sciubba, A Sibidanov, T Spadaro, M Testa, L Tortora, P Valente, G Venanzoni, R Versaci, G Xu, Ambrosino, F, Antonelli, A, Antonelli, M, Archilli, F, Bacci, C, Beltrame, P, Bencivenni, G, Bertolucci, S, Bini, C, Bloise, C, Bocchetta, S, Bossi, F, Branchini, P, Caloi, R, Campana, P, Capon, G, Capussela, T, Ceradini, F, Chi, S, Chiefari, G, Ciambrone, P, DE LUCIA, E, DE SANTIS, A, DE SIMONE, P, DE ZORZI, G, Denig, A, DI DOMENICO, A, DI DONATO, C, DI MICCO, B, Doria, A, Dreucci, M, Felici, G, Ferrari, A, Ferrer, Ml, Fiore, S, Forti, C, Franzini, P, Gatti, C, Gauzzi, P, Giovannella, S, Gorini, Edoardo, Graziani, E, Kluge, W, Kulikov, V, Lacava, F, Lanfranchi, G, LEE FRANZINI, J, Leone, D, Martini, M, Massarotti, P, Mei, W, Meola, S, Miscetti, S, Moulson, M, Muller, S, Murtas, F, Napolitano, M, Nguyen, F, Palutan, M, Pasqualucci, E, Passeri, A, Patera, V, Perfetto, F, Primavera, Margherita, Santangelo, P, Saracino, G, Sciascia, B, Sciubba, A, Sibidanov, A, Spadaro, T, Testa, M, Tortora, L, Valente, P, Venanzonia, G, Versaci, R, Xu, G., Ambrosino, Fabio, Massarotti, Paolo, S., Meola, Napolitano, Marco, F., Perfetto, C., Di Donato, Saracino, Giulio, and DI MICCO, Biagio
Subjects: Physics, Nuclear physics, High Energy Physics - Experiment (hep-ex), Nuclear and High Energy Physics, Decay time, Particle physics, Decay length, Detector, FOS: Physical sciences, CP violation, High Energy Physics::Experiment, e plus -e- experiments, e+-e- experiments, High Energy Physics - Experiment
Abstract: We have measured the charged kaon lifetime using a sample of 15 \times 10^6 tagged kaon decays. Charged kaons were produced in pairs at the DA\PhiNE \phi-factory, e^+e^- \to \phi \to K^+ K^-. The decay of a K^+ was tagged by the production of a K^- and viceversa. The lifetime was obtained, for both charges, from independent measurements of the decay time and decay lenght distributions. From fits to the four distributions we find \tau = (12.347\pm0.030) ns., Comment: 13 pages, 14 figures

141. Dalitz plot analysis of the n→π0π0π 0 and η → π+ π- π0 decays with KLOE

Author: Ambrosino, F., Antonelli, A., Antonelli, M., Archilli, F., Bacci, C., Beltrame, P., Bencivenni, G., Bertolucci, S., Bini, C., Bloise, C., Bocchetta, S., Bocci, V., Bossi, F., Branchini, P., Caloi, R., Campana, P., Capon, G., Capussela, T., Ceradini, F., Chi, S., Chiefari, G., Ciambrone, P., Lucia, E., Santis, A., Simone, P., Zorzi, G., Denig, A., Di Domenico, A., Di Donato, C., Di Falco, S., Di Micco, B., Doria, A., Dreucci, M., Felici, G., Ferrari, A., Ferrer, L., Finocchiaro, G., Fiore, S., Forti, C., Franzini, P., Gatti, C., Gauzzi, P., Giovannella, S., Gorini, E., Graziani, E., Incagli, M., Kluge, W., Kulikov, V., Lacava, F., Lanfranchi, G., Lee-Franzini, J., Leone, D., Martini, M., Massarotti, P., Mei, W., Meola, S., Miscetti, S., Moulson, M., Müller, S., Murtas, F., Napolitano, M., Nguyen, F., Palutan, M., Pasqualucci, E., Passeri, A., Patera, V., Perfetto, F., Primavera, M., Santangelo, P., Saracino, G., Sciascia, B., Sciubba, A., Scuri, F., Sfiligoi, I., Spadaro, T., Testa, M., Tortora, L., Paolo Valente, Valeriani, B., Venanzoni, G., R Versaci, M., and Xu, G.

142. Dalitz plot analysis of the n→π0π0π0and η → π+π-π0decays with KLOE

Author: Ambrosino, F., Antonelli, A., Antonelli, M., Archilli, F., Bacci, C., Beltrame, P., Bencivenni, G., Bertolucci, S., Bini, C., Bloise, C., Bocchetta, S., Bocci, V., Bossi, F., Branchini, P., Caloi, R., Campana, P., Capon, G., Capussela, T., Ceradini, F., Chi, S., Chiefari, G., Ciambrone, P., Lucia, E., Santis, A., Simone, P., Zorzi, G., Denig, A., Di Domenico, A., Di Donato, C., Di Falco, S., Di Micco, B., Doria, A., Dreucci, M., Felici, G., Ferrari, A., Ferrer, L., Finocchiaro, G., Fiore, S., Forti, C., Franzini, P., Gatti, C., Gauzzi, P., Giovannella, S., Gorini, E., Graziani, E., Incagli, M., Kluge, W., Kulikov, V., Lacava, F., Lanfranchi, G., Lee-Franzini, J., Leone, D., Martini, M., Massarotti, P., Mei, W., Meola, S., Miscetti, S., Moulson, M., Müller, S., Fabrizio Murtas, Napolitano, M., Nguyen, F., Palutan, M., Pasqualucci, E., Passeri, A., Patera, V., Perfetto, F., Primavera, M., Santangelo, P., Saracino, G., Sciascia, B., Sciubba, A., Scuri, F., Sfiligoi, I., Spadaro, T., Testa, M., Tortora, L., Valente, P., Valeriani, B., Venanzoni, G., R Versaci, M., and Xu, G.

143. Observation of the η →π+π-e +e- decay at KLOE

Author: Ambrosino, F., Antonelli, A., Antonelli, M., Bacci, C., Beltrame, P., Bencivenni, G., Bertolucci, S., Bini, C., Bloise, C., Bocchetta, S., Bocci, V., Bossi, F., Branchini, P., Caloi, R., Campana, P., Capon, G., Capussela, T., Ceradini, F., Chi, S., Chiefari, G., Ciambrone, P., Lucia, E., Santis, A., Simone, P., Zorzi, G., Denig, D., Di Domenico, A., Di Donato, C., Di Falco, S., Micco, D., Doria, A., Dreucci, M., Felici, G., Ferrari, A., Ferrer, L., Finocchiaro, G., Fiore, S., Forti, C., Franzini, P., Gatti, C., Gauzzi, P., Giovannella, S., Gorini, E., Graziani, E., Incagli, M., Kluge, W., Kulikov, V., Lacava, F., Lanfranchi, G., Lee-Franzini, J., Leone, D., Martini, M., Massarotti, P., Mei, W., Meola, S., Miscetti, S., Moulson, M., Müller, S., Murtas, F., Napolitano, M., Nguyen, F., Palutan, M., Pasqualucci, E., Passeri, A., Patera, V., Perfetto, F., Primavera, M., Santangelo, P., Saracino, G., Sciascia, B., Adalberto Sciubba, Scuri, F., Sfiligoi, I., Spadaro, T., Testa, M., Tortora, L., Valente, P., Valeriani, B., Venanzoni, G., R Versaci, M., and Xu, G.

144. Preparation of narrow amorphous ribbon specimens for transmission electron microscopy

Author: R. Versaci and E.D. Cabanillas
Subjects: Electropolishing, Jet (fluid), Materials science, Transmission electron microscopy, Ribbon, Amorphous ribbon, Mineralogy, Composite material, Instrumentation, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Abstract: A method for obtaining TEM specimens of narrow ribbons has been developed to be used in a commercial electropolishing double jet device (Struers Tenopol 2). The method consists of placing the ribbon inside a Teflon mask and thinning in the double-jet holders in the normal way.
Published: 1988

145. Sensitivity of ambient dose equivalent to the concentration of cobalt impurity present in stainless steel.

Author: N. Shetty, V. Olsovcova, and R. Versaci
Published: 2018
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146. Measurement of the angular distribution of fission fragments using a PPAC assembly at CERN n_TOF

Author: F. Mingrone, M. J. Vermeulen, J. Andrzejewski, P. E. Koehler, C. Langer, F. Gunsing, Petar Žugec, Carlos Guerrero, Damir Bosnar, C. Le Naour, Y. Kadi, S. Valenta, Marco Calviani, I. F. Gonçalves, F. Käppeler, T. Ware, J. Mottier, D. G. Jenkins, M. B. Gómez-Hornillos, M. P. W. Chin, J. Billowes, F. Cerutti, Cristian Massimi, V. Bécares, C. Paradela, E. Griesmayer, A. Pavlik, Fabio Belloni, L. Audouin, Srinivasan Ganesan, P. Gurusamy, F. Roman, Rene Reifarth, Stefan Schmidt, G. Vannini, C. Domingo-Pardo, G. Giubrone, M. A. Cortés-Giraldo, Vittorio Boccone, J. M. Quesada, M. Meaze, W. Mondalaers, Mario Barbagallo, M. Caamaño, L. Tassan-Got, D. Cano-Ott, M. Diakaki, A. Tsinganis, I. Duran, A. R. García, Ch.O. Bacri, A. Manousos, Nicola Colonna, L.S. Leong, R. Vlastou, P. F. Mastinu, Vasilis Vlachoudis, M. Brugger, J. Marganiec, Mario Weigand, G. Cortes, E. Berthoumieux, A. Ventura, D. Tarrío, V. Petitbon, Alberto Mengoni, P. M. Milazzo, Arnaud Ferrari, S. Altstadt, G. Tagliente, C. Eleftheriadis, Roberto Losito, F. Bečvář, E. Chiaveri, M. Mirea, Thomas Rauscher, E. Jericha, E. Mendoza, C. Rubbia, C. Weiß, D. Karadimos, M. Kokkoris, T. J. Wright, Peter Schillebeeckx, N. Dzysiuk, C. Lederer, E. González-Romero, P. Vaz, H. Leeb, Javier Praena, M. Mastromarco, J. Perkowski, K. Fraval, C. Carrapiço, Anton Wallner, M. Krtička, F. Calviño, V. Variale, J. L. Tain, Roberto Versaci, T. Martinez, A. Riego, A. J. M. Plompen, Jeri Kroll, R. Sarmento, D. Tarrio, L. S. Leong, L. Audouin, I. Duran, C. Paradela, L. Tassan-Got, C. L. Naour, C. O. Bacri, V. Petitbon, J. Mottier, M. Caamano, S. Altstadt, J. Andrzejewski, M. Barbagallo, V. Becare, F. Becvar, F. Belloni, E. Berthoumieux, J. Billowe, V. Boccone, D. Bosnar, M. Brugger, M. Calviani, F. Calvino, D. Cano-Ott, C. Carrapico, F. Cerutti, E. Chiaveri, M. Chin, N. Colonna, G. Corte, M. A. Cortes-Giraldo, M. Diakaki, C. Domingo-Pardo, N. Dzysiuk, C. Eleftheriadi, A. Ferrari, K. Fraval, S. Ganesan, A. R. Garcia, G. Giubrone, M. B. Gomez-Hornillo, I. F. Goncalve, E. Gonzalez-Romero, E. Griesmayer, C. Guerrero, F. Gunsing, P. Gurusamy, G. Jenkin, E. Jericha, Y. Kadi, F. Kaeppeler, D. Karadimo, P. Koehler, M. Kokkori, M. Krticka, J. Kroll, C. Langer, C. Lederer, H. Leeb, R. Losito, A. Manouso, J. Marganiec, T. Martinez, C. Massimi, P. F. Mastinu, M. Mastromarco, M. Meaze, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondalaer, A. Pavlik, J. Perkowski, A. Plompen, J. Praena, J. M. Quesada, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, P. Schillebeeckx, S. Schmidt, G. Tagliente, J. L. Tain, A. Tsingani, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, R. Versaci, M. J. Vermeulen, V. Vlachoudi, R. Vlastou, A. Wallner, T. Ware, M. Weigand, C. Wei, T. J. Wright, P. Zugec, Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions, Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group, Universitat Politècnica de Catalunya. NERG - Grup de Recerca d'Enginyeria Nuclear, and Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Subjects: Nuclear and High Energy Physics, Fission, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, Neutron, Anisotropy, Angular distribution, 232Th, Gas detectors, Subatomär fysik, Nuclear physics, Energia nuclea, Subatomic Physics, Detectors and Experimental Techniques, Th-232, Nuclear Experiment, Instrumentation, Physics, Energies::Energia nuclear [Àrees temàtiques de la UPC], Large Hadron Collider, Detector, Nuclear energy, Actinide, Neutron radiation, NEUTRON INDUCED FISSION, Nuclear fission, Física nuclear, ANGULAR DISTRIBUTIONS, TIME OF FLIGHT
Abstract: A fission reaction chamber based on Parallel Plate Avalanche Counters (PPACs) was built for measuring angular distributions of fragments emitted in neutron-induced fission of actinides at the neutron beam available at the Neutron Time-Of-Flight (n_TOF) facility at CERN. The detectors and the samples were tilted 45 degrees with respect to the neutron beam direction to cover all the possible values of the emission angle of the fission fragments. The main features of this setup are discussed and results on the fission fragment angular distribution are provided for the Th-232(n,f) reaction around the fission threshold. The results are compared with the available data in the literature, demonstrating the good capabilities of this setup. (C) 2014 Elsevier B.V. All rights reserved. A fission reaction chamber based on Parallel Plate Avalanche Counters (PPACs) was built for measuring angular distributions of fragments emitted in neutron-induced fission of actinides at the neutron beam available at the Neutron Time-Of-Flight (n-TOF) facility at CERN. The detectors and the samples were tilted 45 with respect to the neutron beam direction to cover all the possible values of the emission angle of the fission fragments. The main features of this setup are discussed and results on the fission fragment angular distribution are provided for the 232Th(n,f) reaction around the fission threshold. The results are compared with the available data in the literature, demonstrating the good capabilities of this setup. © 2014 Elsevier B.V.
Published: 2014
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147. Neutron Capture Reactions on Fe and Ni Isotopes for the Astrophysical s-process

Author: A. R. García, M. Brugger, C. Eleftheriadis, Thomas Rauscher, D. Karadimos, E. González-Romero, M. P. W. Chin, T. Ware, F. Roman, E. Griesmayer, E. Chiaveri, J. L. Tain, P. F. Mastinu, Marco Pignatari, S. Valenta, G. Giubrone, J. Billowes, G. Tagliente, Mario Weigand, Marco Calviani, Srinivasan Ganesan, F. Käppeler, M. B. Gómez-Hornillos, P. E. Koehler, E. Jericha, P. Vaz, C. Lederer, M. Mirea, Mario Barbagallo, D. Cano-Ott, Dorothea Schumann, S. Altstadt, M. Diakaki, Jeri Kroll, C. Weiß, A. Pavlik, C. Domingo-Pardo, N. Kivel, F. Bečvář, H. Leeb, Alberto Mengoni, Javier Praena, R. Sarmento, A. Manousos, A. J. M. Plompen, E. Mendoza, Arnaud Ferrari, A. Riego, M. Meaze, Peter Schillebeeckx, M. J. Vermeulen, M. A. Cortés-Giraldo, N. Dzysiuk, J. Perkowski, J. Marganiec, P. Gurusamy, K. Fraval, Carlos Guerrero, I. Duran, P. M. Milazzo, C. Rubbia, M. Krtička, F. Calviño, I. F. Gonçalves, F. Cerutti, V. Bécares, R. Vlastou, F. Gunsing, T. Martinez, M. Mastromarco, M. Kokkoris, Damir Bosnar, Y. Kadi, G. Cortes, C. Carrapiço, Anton Wallner, Cristian Massimi, D. Tarrío, Fabio Belloni, D. G. Jenkins, E. Berthoumieux, G. Vannini, Petar Žugec, W. Mondelaers, V. Variale, Roberto Versaci, F. Mingrone, J. Andrzejewski, T. J. Wright, C. Langer, Roberto Losito, Rugard Dressler, A. Tsinganis, Nicola Colonna, L.S. Leong, Vasilis Vlachoudis, A. Ventura, Gunther Korschinek, C. Paradela, Rene Reifarth, Stefan Schmidt, L. Audouin, Vittorio Boccone, J. M. Quesada, L. Tassan-Got, Ventura, A., Mengoni, A., Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions, Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, C. Lederer, G. Giubrone, C. Massimi, P. Zugec, M. Barbagallo, N. Colonna, C. Domingo-Pardo, C. Guerrero, F. Gunsing, F. Kaeppeler, J. L. Tain, S. Altstadt, J. Andrzejewski, L. Audouin, V. Becare, F. Becvar, F. Belloni, E. Berthoumieux, J. Billowe, V. Boccone, D. Bosnar, M. Brugger, M. Calviani, F. Calvino, D. Cano-Ott, C. Carrapico, F. Cerutti, E. Chiaveri, M. Chin, G. Corte, M. A. Cortes-Giraldo, M. Diakaki, I. Duran, R. Dressler, N. Dzysiuk, C. Eleftheriadi, A. Ferrari, K. Fraval, S. Ganesan, A. R. Garcia, M. B. Gomez-Hornillo, I. F. Goncalve, E. Gonzalez-Romero, E. Griesmayer, P. Gurusamy, D. G. Jenkin, E. Jericha, Y. Kadi, D. Karadimo, N. Kivel, P. Koehler, M. Kokkori, G. Korschinek, M. Krticka, J. Kroll, C. Langer, H. Leeb, L. S. Leong, R. Losito, A. Manouso, J. Marganiec, T. Martinez, P. F. Mastinu, M. Mastromarco, M. Meaze, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondelaer, C. Paradela, A. Pavlik, J. Perkowski, M. Pignatari, A. Plompen, J. Praena, J. M. Quesada, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, P. Schillebeeckx, S. Schmidt, D. Schumann, G. Tagliente, D. Tarrio, L. Tassan-Got, A. Tsingani, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, R. Versaci, M. J. Vermeulen, V. Vlachoudi, R. Vlastou, A. Wallner, T. Ware, M. Weigand, C. Wei, T. J. Wright, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Nuclear and High Energy Physics, Astrophysics::High Energy Astrophysical Phenomena, RADIATIVE NEUTRON CAPTURE, Nuclear Theory, Neutron, Neutron scattering, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, Nuclear physics, neutron capture, n_TOF, s-process, Neutron cross section, Nuclear Experiment, capture, Physics, Neutrons, Energies::Energia nuclear [Àrees temàtiques de la UPC], Cross section, TOF, NEUTRON TIME OF FLIGHT, Neutron temperature, Neutron capture, Neutron source, r-process, S PROCESS, Nuclear reactions, Nucleosynthesis
Abstract: See paper for full list of authors; Neutron capture cross sections in the keV neutron energy region are the key nuclear physics input to study the astrophysical slow neutron capture process. In the past years, a series of neutron capture cross section measurements has been performed at the neutron time-of-flight facility n_TOF at CERN focussing on the Fe/Ni mass region. Recent results and future developments in the neutron time-of-flight technique are discussed.
Published: 2014

148. Experimental neutron capture data of 58Ni from the CERN n_TOF facility

Author: TOF Collaboration, ��ugec, P., Barbagallo, M., Colonna, N., Bosnar, D., Altstadt, S., Andrzejewski, J., Audouin, L., B��cares, V., Be��v��, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Brugger, M., Calviani, M., Calvi��o, F., Cano-Ott, D., Carrapi��o, C., Cerutti, F., Chiaveri, E., Chin, M., Cort��s, G., Cort��s-Giraldo, M. A., Diakaki, M., Domingo-Pardo, C., Duran, I., Dzysiuk, N., Eleftheriadis, C., Ferrari, A., Fraval, K., Ganesan, S., Garc��a, A. R., Giubrone, G., G��mez-Hornillos, M. B., Gon��alves, I. F., Gonz��lez-Romero, E., Griesmayer, E., Guerrero, C., Gunsing, F., Gurusamy, P., Jenkins, D. G., Jericha, E., Kadi, Y., K��ppeler, F., Karadimos, D., Koehler, P., Kokkoris, M., Krti��ka, M., Kroll, J., Langer, C., Lederer, C., Leeb, H., Leong, L. S., Losito, R., Manousos, A., Marganiec, J., Mart��nez, T., Massimi, C., Mastinu, P. F., Mastromarco, M., Meaze, M., Mendoza, E., Mengoni, A., Milazzo, P. M., Mingrone, F., Mirea, M., Mondalaers, W., Paradela, C., Pavlik, A., Perkowski, J., Pignatari, M., Plompen, A., Praena, J., Quesada, J. M., Rauscher, T., Reifarth, R., Riego, A., Roman, F., Rubbia, C., Sarmento, R., Schillebeeckx, P., Schmidt, S., Tagliente, G., Tain, J. L., Tarr��o, D., Tassan-Got, L., Tsinganis, A., Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Versaci, R., Vermeulen, M. J., Vlachoudis, V., Vlastou, R., Wallner, A., Ware, T., Weigand, M., Wei��, C., Wright, T., Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, nTOF, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, National Science Foundation (NSF). United States, Joint Institute for Nuclear Astrophysics (JINA) U.S., Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions, Ventura, A., Mengoni, A., P. Zugec, M. Barbagallo, N. Colonna, D. Bosnar, S. Altstadt, J. Andrzejewski, L. Audouin, V. Becare, F. Becvar, F. Belloni, E. Berthoumieux, J. Billowe, V. Boccone, M. Brugger, M. Calviani, F. Calvino, D. Cano-Ott, C. Carrapico, F. Cerutti, E. Chiaveri, M. Chin, G. Corte, M. A. Cortes-Giraldo, M. Diakaki, C. Domingo-Pardo, I. Duran, N. Dzysiuk, C. Eleftheriadi, A. Ferrari, K. Fraval, S. Ganesan, A. R. Garcia, G. Giubrone, M. B. Gomez-Hornillo, I. F. Goncalve, E. Gonzalez-Romero, E. Griesmayer, C. Guerrero, F. Gunsing, P. Gurusamy, D. G. Jenkin, E. Jericha, Y. Kadi, F. Kaeppeler, D. Karadimo, P. Koehler, M. Kokkori, M. Krticka, J. Kroll, C. Langer, C. Lederer, H. Leeb, L. S. Leong, R. Losito, A. Manouso, J. Marganiec, T. Martinez, C. Massimi, P. F. Mastinu, M. Mastromarco, M. Meaze, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondalaer, C. Paradela, A. Pavlik, J. Perkowski, M. Pignatari, A. Plompen, J. Praena, J. M. Quesada, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, P. Schillebeeckx, S. Schmidt, G. Tagliente, J. L. Tain, D. Tarrio, L. Tassan-Got, A. Tsingani, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, R. Versaci, M. J. Vermeulen, V. Vlachoudi, R. Vlastou, A. Wallner, T. Ware, M. Weigand, C. Wei, T. Wright, and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Nuclear and High Energy Physics, nTOF, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, NEUTRON RESONANCE ANALYSIS, Neutron, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, Nuclear physics, Time of flight, 58Ni neutron capture cross section, n_TOF, MACS, 0103 physical sciences, Neutron cross section, Física::Electromagnetisme [Àrees temàtiques de la UPC], Nuclear Physics - Experiment, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Physics, Neutrons, Large Hadron Collider, Cross section, 010308 nuclear & particles physics, CERN - n_TOF, Resonance, Física, NEUTRON TIME OF FLIGHT, Neutron temperature, Neutron capture, Neutrons Capture, S PROCESS, s-process
Abstract: The $^{58}$Ni $(n,\gamma)$ cross section has been measured at the neutron time of flight facility n_TOF at CERN, in the energy range from 27 meV up to 400 keV. In total, 51 resonances have been analyzed up to 122 keV. Maxwellian averaged cross sections (MACS) have been calculated for stellar temperatures of kT$=$5-100 keV with uncertainties of less than 6%, showing fair agreement with recent experimental and evaluated data up to kT = 50 keV. The MACS extracted in the present work at 30 keV is 34.2$\pm$0.6$_\mathrm{stat}\pm$1.8$_\mathrm{sys}$ mb, in agreement with latest results and evaluations, but 12% lower relative to the recent KADoNIS compilation of astrophysical cross sections. When included in models of the s-process nucleosynthesis in massive stars, this change results in a 60% increase of the abundance of $^{58}$Ni, with a negligible propagation on heavier isotopes. The reason is that, using both the old or the new MACS, 58Ni is efficiently depleted by neutron captures., Comment: 10 pages, 8 figures, 5 tables
Published: 2014

149. Measurement of the C-12(n, p)B-12 cross section at n_TOF at CERN by in-beam activation analysis

Author: Zugec, P., Colonna, N., Bosnar, D., Mengoni, A., Altstadt, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Becares, V., Becvar, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Brugger, M., Calviani, M., Calvino, F., Cano Ott, D., Carrapico, C., Cerutti, F., Chiaveri, E., Chin, M., Cortes, G., Cortes Giraldo, M. A., Cosentino, L., Diakaki, M., Domingo Pardo, C., Dressler, R., Duran, I., Eleftheriadis, C., Ferrari, A., Finocchiaro, P., Fraval, K., Ganesan, S., Garcia, A. R., Giubrone, G., Gomez Hornillos, M. B., Goncalves, I. F., Gonzalez Romero, E., Griesmayer, E., Guerrero, C., Gunsing, F., Gurusamy, P., Heinitz, S., Jenkins, D. G., Jericha, E., Kaeppeler, F., Karadimos, D., Kivel, N., Kokkoris, M., Krticka, M., Kroll, J., Langer, C., Lederer, C., Leeb, H., Leong, L. S., Lo Meo, S., Losito, R., Manousos, A., Marganiec, J., Martinez, T., Massimi, C., Mastinu, P., Mastromarco, M., Mendoza, E., Milazzo, P. M., Mingrone, F., Mirea, M., Mondalaers, W., Musumarra, Agatino, Paradela, C., Pavlik, A., Perkowski, J., Plompen, A., Praena, J., Quesada, J., Rauscher, T., Reifarth, R., Riego, A., Roman, F., Rubbia, C., Sarmento, R., Saxena, A., Schillebeeckx, P., Schmidt, S., Schumann, D., Tagliente, G., Tain, J. L., Tarrio, D., Tassan Got, L., Tsinganis, A., Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Versaci, R., Vermeulen, M. J., Vlachoudis, V., Vlastou, R., Wallner, A., Ware, T., Weigand, M., Weiss, C., Wright, T., P. Zugec, N. Colonna, D. Bosnar, A. Mengoni, S. Altstadt, J. Andrzejewski, L. Audouin, M. Barbagallo, V. Becare, F. Becvar, F. Belloni, E. Berthoumieux, J. Billowe, V. Boccone, M. Brugger, M. Calviani, F. Calvino, D. Cano-Ott, C. Carrapico, F. Cerutti, E. Chiaveri, M. Chin, G. Corte, M. A. Cortes-Giraldo, L. Cosentino, M. Diakaki, C. Domingo-Pardo, R. Dressler, I. Duran, C. Eleftheriadi, A. Ferrari, P. Finocchiaro, K. Fraval, S. Ganesan, A. R. Garcia, G. Giubrone, M. B. Gomez-Hornillo, I. F. Goncalve, E. Gonzalez-Romero, E. Griesmayer, C. Guerrero, F. Gunsing, P. Gurusamy, S. Heinitz, D. G. Jenkin, E. Jericha, F. Kaeppeler, D. Karadimo, N. Kivel, M. Kokkori, M. Krticka, J. Kroll, C. Langer, C. Lederer, H. Leeb, L. S. Leong, S. L. Meo, R. Losito, A. Manouso, J. Marganiec, T. Martinez, C. Massimi, P. Mastinu, M. Mastromarco, E. Mendoza, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondalaer, A. Musumarra, C. Paradela, A. Pavlik, J. Perkowski, A. Plompen, J. Praena, J. Quesada, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, A. Saxena, P. Schillebeeckx, S. Schmidt, D. Schumann, G. Tagliente, J. L. Tain, D. Tarrio, L. Tassan-Got, A. Tsingani, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, R. Versaci, M. J. Vermeulen, V. Vlachoudi, R. Vlastou, A. Wallner, T. Ware, M. Weigand, C. Wei, and T. Wright
Subjects: integral cross section, Nuclear Experiment, NEUTRON TIME OF FLIGHT
Abstract: The integral cross section of the C-12(n, p)B-12 reaction has been determined for the first time in the neutron energy range from threshold to several GeV at the n_TOF facility at CERN. The measurement relies on the activation technique with the beta decay of B-12 measured over a period of four half-lives within the same neutron bunch in which the reaction occurs. The results indicate that model predictions, used in a variety of applications, are mostly inadequate. The value of the integral cross section reported here can be used as a benchmark for verifying or tuning model calculations.
Published: 2014

150. GEANT4 simulation of the neutron background of the C6D6 set-up for capture studies at n_TOF

Author: collaboration, n_TOF, Žugec, P., Colonna, N., Bosnar, D., Altstadt, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Bécares, V., Bečvář, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Brugger, M., Calviani, M., Calviño, F., Cano-Ott, D., Carrapiço, C., Cerutti, F., Chiaveri, E., Chin, M., Cortés, G., Cortés-Giraldo, M. A., Diakaki, M., Domingo-Pardo, C., Dressler, R., Duran, I., Dzysiuk, N., Eleftheriadis, C., Ferrari, A., Fraval, K., Ganesan, S., García, A. R., Giubrone, G., Gómez-Hornillos, M. B., Gonçalves, I. F., González-Romero, E., Griesmayer, E., Guerrero, C., Gunsing, F., Gurusamy, P., Heinitz, S., Jenkins, D. G., Jericha, E., Kadi, Y., Käppeler, F., Karadimos, D., Kivel, N., Koehler, P., Kokkoris, M., Krtička, M., Kroll, J., Langer, C., Lederer, C., Leeb, H., Leong, L. S., Meo, S. Lo, Losito, R., Manousos, A., Marganiec, J., Martìnez, T., Massimi, C., Mastinu, P. F., Mastromarco, M., Meaze, M., Mendoza, E., Mengoni, A., Milazzo, P. M., Mingrone, F., Mirea, M., Mondalaers, W., Paradela, C., Pavlik, A., Perkowski, J., Plompen, A., Praena, J., Quesada, J. M., Rauscher, T., Reifarth, R., Riego, A., Roman, F., Rubbia, C., Sarmento, R., Saxena, A., Schillebeeckx, P., Schmidt, S., Schumann, D., Tagliente, G., Tain, J. L., Tarrío, D., Tassan-Got, L., Tsinganis, A., Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Versaci, R., Vermeulen, M. J., Vlachoudis, V., Vlastou, R., Wallner, A., Ware, T., Weigand, M., Weiß, C., Wright, T., Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions, P. Zugec, N. Colonna, D. Bosnar, S. Altstadt, J. Andrzejewski, L. Audouin, M. Barbagallo, V. Becare, F. Becvar, F. Belloni, E. Berthoumieux, J. Billowe, V. Boccone, M. Brugger, M. Calviani, F. Calvino, D. Cano-Ott, C. Carrapio, F. Cerutti, E. Chiaveri, M. Chin, G. Corte, M. A. Cortes-Giraldo, M. Diakaki, C. Domingo-Pardo, R. Dressler, I. Duran, N. Dzysiuk, C. Eleftheriadi, A. Ferrari, K. Fraval, S. Ganesan, A. R. Garcia, G. Giubrone, M. B. Gomez-Hornillo, I. F. Gonalve, E. Gonzalez-Romero, E. Griesmayer, C. Guerrero, F. Gunsing, P. Gurusamy, S. Heinitz, D. G. Jenkin, E. Jericha, Y. Kadi, F. Kaeppler, D. Karadimo, N. Kivel, P. Koehler, M. Kokkori, M. Krticka, J. Kroll, C. Langer, C. Lederer, H. Leeb, L. S. Leong, S. Lomeo, R. Losito, A. Manouso, J. Marganiec, T. Mart-Nez, C. Massimi, P. F. Mastinu, M. Mastromarco, M. Meaze, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondalaer, C. Paradela, A. Pavlik, J. Perkowski, A. Plompen, J. Praenam, J. M. Quesadam, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, A. Saxena, P. Schillebeeckx, S. Schmidt, D. Schumann, G. Tagliente, J. L. Tain, D. Tarrio, L. Tassan-Got, A. Tsingani, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, R. Versaci, M. J. Vermeulen, V. Vlachoudi, R. Vlastou, A. Wallner, T. Ware, M. Weigand, C. Wei, T. Wright, Ventura, A., Mengoni, A., Lo Meo, S., and Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Subjects: Neutron capture, Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, GEANT4 simulations, Neutron time of flight, Neutron background, n_TOF, FOS: Physical sciences, Neutron, N-TOF, 7. Clean energy, 01 natural sciences, Partícules (Física nuclear), Nuclear physics, Cross section (physics), 0103 physical sciences, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Instrumentation, physics.ins-det, GEANT4, Line (formation), Particles (Nuclear physics), Physics, Bonner sphere, Energies::Energia nuclear [Àrees temàtiques de la UPC], Neutrons, GEANT4 simulation, Física [Àrees temàtiques de la UPC], 010308 nuclear & particles physics, Detector, Física, Neutron sensitivity, Instrumentation and Detectors (physics.ins-det), Neutron radiation, NEUTRON TIME OF FLIGHT, Background, Deuterium, N_TOF, Simulation
Abstract: The neutron sensitivity of the C6D6 detector setup used at n_TOF facility for capture measurements has been studied by means of detailed GEANT4 simulations. A realistic software replica of the entire n_TOF experimental hall, including the neutron beam line, sample, detector supports and the walls of the experimental area has beeni mplemented in the simulations. The simulations have been analyzed in the same manner as experimental data, in particular by applying the Pulse Height Weighting Technique. The simulations have been validated against a measurement of the neutron background performed with anatC sample, showing an excellent agreement above 1 keV. At lower energies, an additional component in the measured natC yield has been discovered, which prevents the use of natC data for neutron background estimates at neutron energies below a few hundred eV. The origin and time structure of the neutron background have been derived from the simulations. Examples of the neutron background for two different samples are demonstrating the important role of accurate simulations of the neutron background in capture cross-section measurements., JRC.D.4-Standards for Nuclear Safety, Security and Safeguards
Published: 2014

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