15 results on '"Levi Sandri, Paolo"'
Search Results
2. Studies of low-energy K−-nucleus/nuclei interactions with light nuclei by AMADEUS
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Skurzok Magdalena, Bazzi Massimiliano, Bragadireanu Mario, Bosnar Damir, Cargnelli Michael, Clozza Alberto, De Paolis Luca, Del Grande Raffaele, Fabbietti Laura, Guaraldo Carlo, Iliescu Mihai, Levi Sandri Paolo, Marton Johann, Miliucci Marco, Moskal Paweł, Piscicchia Kristian, Ramos Angels, Scordo Alessandro, Silarski Michał, Sirghi Diana Laura, Sirghi Florin, Spallone Antonio, Vazquez Doce Oton, Wycech Sławomir, Zmeskal Johann, and Curceanu Catalina
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Physics ,QC1-999 - Abstract
The AMADEUS Collaboration aims to provide unique experimental constraints to the antikaon-nucleon strong interaction in the regime of nonperturbative QCD. The K− nuclear captures, both at-rest and in-flight, are studied using the monochromatic low-momentum kaon beam (pK ∼ 120 MeV/c) produced at the DAΦNE collider, interacting with the KLOE detector materials. The studies are performed by reconstructing the hyperon-pion and hyperonnucleon final states. In this work a brief description of AMADEUS results for Λπ− and Λp final states is presented.
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- 2023
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3. Towards the first kaonic deuterium measurement with the SIDDHARTA-2 experiment
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Curceanu, Catalina, primary, De Paolis, Luca, additional, Bazzi, Massimiliano, additional, Bosnar, Damir, additional, bragadireanu, Mario, additional, Cargnelli, Michael, additional, Carminati, Marco, additional, Clozza, Alberto, additional, Deda, Griseld, additional, Dulski, Kamil, additional, Fiorini, Carlo, additional, Friščić, Ivica, additional, Guaraldo, Carlo, additional, Iliescu, Mihai, additional, Iwasaki, M., additional, Khreptak, Aleksander, additional, Levi Sandri, Paolo, additional, Manti, Simone, additional, Marton, Johann, additional, Miliucci, Marco, additional, Moskal, Pawel, additional, Napolitano, Fabrizio, additional, Niedźwiecki, Szymon, additional, Onishi, H., additional, Piscicchia, kristian, additional, Sada, Y., additional, Scordo, Alessandro, additional, Sgaramella, Francesco, additional, Silarski, M., additional, SIRGHI, Diana Laura, additional, Sirghi, Florin Catalin, additional, Skurzok, Magdalena, additional, Spallone, Antonio, additional, Toho, Kairo, additional, Tuchler, Marleme, additional, Yoshida, C., additional, and Zmeskal, Johann, additional
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- 2023
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4. The BGOOD experiment at ELSA Exotic structures in the strange quark sector?
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Jude Thomas, Alef Stefan, Beck Reinhard, Braghieri Alessandro, Cole Philip, Di Salvo Rachele, Elsner Daniel, Fantini Alessia, Freyermuth Oliver, Fromberger Frank, Ghio Francesco, Groß Johannes, Kohl Katrin, Levi Sandri Paolo, Mandaglio Guiseppe, Pedroni Paolo, Romaniuk Mariia, Scheluchin Georg, and Schmieden Hartmut
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Physics ,QC1-999 - Abstract
The BGOOD photoproduction experiment accesses forward meson angles and low momentum exchange kinematics in the uds sector, which may be sensitive to molecular-like hadronic structure. Recent highlights are summarised in these proceedings.
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- 2022
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5. Kaonic atoms measurements at the DAΦNE collider: the SIDDHARTA-2 experiment
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Curceanu Catalina, Miliucci Marco, Bazzi Massimiliano, Bosnar Damir, Bragadireanu Mario, Carminati Marco, Cargnelli Michael, Clozza Alberto, Deda Griseld, De Paolis Luca, Del Grande Raffaele, Fiorini Carlo, Guaraldo Carlo, Iliescu Mihail, Iwasaki Masahiko, King Pietro, Levi Sandri Paolo, Marton Johann, Moskal Paweł, Napolitano Fabrizio, Niedźwiecki Szymon, Piscicchia Kristian, Scordo Alessandro, Sgaramella Francesco, Shi Hexi, Silarski Michał, Sirghi Diana, Sirghi Florin, Skurzok Magdalena, Spallone Antonio, Tüchler Marlene, Vazquez Doce Oton, and Zmeskal Johann
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Physics ,QC1-999 - Abstract
The X-ray spectroscopy measurements of light kaonic atoms’ deexcitation towards the fundamental level provide unique information on the low-energy Quantum ChromoDynamics (QCD) in the strangeness sector, being a direct probe of the kaon/nucleon interaction at threshold, unobtainable through the scattering experiments. In this framework, the SIDDHARTA-2 collaboration is going to perform the first kaonic deuterium 2p → 1s transition measurement at the DAΦNE collider of Istituto Nazionale di Fisica Nucleare – Laboratori Nazionali di Frascati. Combining this measurement with the kaonic hydrogen one performed by SIDDHARTA in 2009 it will be possible to obtain, in a model-independent way, the isospin-dependent antikaon-nucleon scattering lengths. The paper introduces the SIDDHARTA-2 setup, an upgraded version with respect to the one used for the kaonic hydrogen measurement, dedicated to the ambitious kaonic deuterium measurement, together with the preliminary results obtained during the kaonic helium run, preparatory for the SIDDHARTA-2 data taking campaign.
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- 2022
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6. The SIDDHARTA-2 experiment: preparation for the first kaonic deuterium measurement
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De Paolis, Luca, primary, Bazzi, Massimiliano, additional, Bosnar, Damir, additional, bragadireanu, Mario, additional, Cargnelli, Michael, additional, Carminati, Marco, additional, Clozza, Alberto, additional, Deda, Griseld, additional, Del Grande, Raffaele, additional, Dulski, Kamil, additional, Fiorini, Carlo, additional, Friščić, Ivica, additional, Guaraldo, Carlo, additional, Iliescu, Mihai, additional, Iwasaki, Masahiko, additional, King, Pietro, additional, Khreptak, Aleksander, additional, Levi Sandri, Paolo, additional, Manti, Simone, additional, Marton, Johann, additional, Miliucci, Marco, additional, Moskal, Pawel, additional, Napolitano, Fabrizio, additional, Niedźwiecki, Szymon, additional, Onishi, Hiroaki, additional, Piscicchia, kristian, additional, Sada, Y., additional, Scordo, Alessandro, additional, Sgaramella, Francesco, additional, Shi, Hexi, additional, Silarski, Michal, additional, SIRGHI, Diana Laura, additional, Sirghi, Florin Catalin, additional, Skurzok, Magdalena, additional, Spallone, Antonio, additional, Toho, Kairo, additional, Tüchler, Marlene, additional, Yoshida, C., additional, Zmeskal, Johann, additional, and Curceanu, Catalina, additional
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- 2022
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7. η’ beam asymmetry at threshold using the BGO-OD experiment
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Alef Stefan, Bauer Patrick, Beck Reinhard, Braghieri Alessandro, Cole Philip, Di Salvo Rachele, Elsner Daniel, Fantini Alessia, Freyermuth Oliver, Ghio Francesco, Gridnev Anatoly, Hammann Daniel, Hannappel Jürgen, Jude Thomas, Kohl Katrin, Kozlenko Nikolay, Lapik Alexander, Levi Sandri Paolo, Lisin Valery, Mandaglio Giuseppe, Messi Roberto, Moricciani Dario, Nedorezov Vladimir, Novinsky Dmitry, Pedroni Paolo, Polonski Andrei, Reitz Björn-Eric, Romaniuk Mariia, Scheluchin Georg, Schmieden Hartmut, Sumachev Victorin, Tarakanov Viacheslav, and Tillmanns Christian
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Physics ,QC1-999 - Abstract
The unexpected nodal structure of the beam asymmetry recently reported by the GRAAL collaboration in η′ photoproduction very close to threshold could be explained by a previously unobserved narrow resonance. The BGO-OD experiment is ideally suited to verify this measurement via the detection of forward going charged particles which in the threshold region of interest allows the identification of the reaction γp → η′ p solely based on the proton going in the forward direction. This yields unprecedented statistics if, in the missing mass analysis of the η′ meson, the background can be sufficiently well controlled. Preliminary results using a linearly polarised photon beam are shown. The reaction γp → η′ p was identified in the BGO forward spectrometer, with simulated data used to seperate signal and background.
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- 2020
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8. K0SΣ0 photoproduction at the BGO-OD experiment
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Kohl Katrin, Alef Stefan, Bauer Patrick, Beck Reinhard, Braghieri Alessandro, Cole Philip, Di Salvo Rachele, Elsner Daniel, Fantini Alessia, Freyermuth Oliver, Oliver Francesco, Gridnev Anatoly, Hammann Daniel, Hannappel Jürgen, Jude Thomas, Kozlenko Nikolay, Lapik Alexander, Levi Sandri Paolo, Lisin Valery, Mandaglio Giuseppe, Messi Roberto, Moricciani Dario, Nedorezov Vladimir, Novinsky Dmitry, Pedroni Paolo, Polonski Andrei, Reitz Björn-Eric, Romaniuk Mariia, Scheluchin Georg, Schmieden Hartmut, Sumachev Victorin, Tarakanov Viacheslav, and Tillmanns Christian
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Physics ,QC1-999 - Abstract
The BGO-OD experiment at the ELSA accelerator facility uses an energy tagged bremsstrahlung photon beam to investigate the excitation structure of the nucleon via meson photoproduction. The setup with a BGO calorimeter surrounding the target and an open dipole spectrometer covering the for ward region is ideally suited for investigating low momentum transfer processes, in particular in strangeness photoproduction. The associated photoproduction of K0S and hyperons is essential to understand the role of K* exchange mech anisms. A cusp-like structure observed in the yp → K0SΣ+ reaction at the K* threshold is described by models including dynamically generated resonances from vector meson-baryon interactions. Such interactions are pre dicted to give a peak like structure in K0SΣ0 photoproduction off the neutron. A very preliminary cross section is determined and compared to the prediction, the results appear to support the model
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- 2020
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9. Strangeness Photoproduction at the BGO-OD experiment
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Jude Thomas, Alef Stefan, Bauer Patrick, Beck Reinhard, Braghieri Alessandro, Cole Philip, Di Salvo Rachele, Elsner Daniel, Fantini Alessia, Freyermuth Oliver, Ghio Francesco, Gridnev Anatoly, Hammann Daniel, Hannappel Jürgen, Kohl Katrin, Kozlenko Nikolay, Lapik Alexander, Levi Sandri Paolo, Lisin Valery, Mandaglio Giuseppe, Messi Roberto, Moricciani Dario, Nedorezov Vladimir, Novinsky Dmitry, Pedroni Paolo, Polonski Andrei, Reitz Björn-Eric, Romaniuk Mariia, Scheluchin Georg, Schmieden Hartmut, Sumachev Victorin, Tarakanov Viacheslav, and Tillmanns Christian
- Subjects
Physics ,QC1-999 - Abstract
The BGO-OD experiment at the ELSA accelerator facility uses an energy tagged bremsstrahlung photon beam to investigate the excitation structure of the nucleon. The setup consists of a highly segmented BGO calorimeter surrounding the target, with a particle tracking magnetic spectrometer at forward angles. BGO-OD is ideal for investigating low momentum transfer processes due to the acceptance and high momentum resolution at forward angles. In particular, this enables the investigation of strangeness photoproduction where t-channel exchange mechanisms play an important role. This also allows access to low momentum exchange kinematics where extended, molecular structure may manifest in reaction mechanisms. First key results at low t indicate a cusp-like structure in K+Σ0 photoproduction at W = 1900 MeV, line shapes and differential cross sections for K+Λ(1405)→ K+Σ0π0, and a peak structure in K0SΣ0 photoproduction. The peak in the K0SΣ0 channel appears consistent with meson-baryon generated states, where equivalent models have been used to describe the PC pentaquark candidates in the heavy charmed quark sector.
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- 2020
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10. Studies of low-energy K−-nucleus/nuclei interactions with light nuclei by AMADEUS.
- Author
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Skurzok, Magdalena, Bazzi, Massimiliano, Bragadireanu, Mario, Bosnar, Damir, Cargnelli, Michael, Clozza, Alberto, De Paolis, Luca, Del Grande, Raffaele, Fabbietti, Laura, Guaraldo, Carlo, Iliescu, Mihai, Levi Sandri, Paolo, Marton, Johann, Miliucci, Marco, Moskal, Paweł, Piscicchia, Kristian, Ramos, Angels, Scordo, Alessandro, Silarski, Michał, and Sirghi, Diana Laura
- Subjects
NEUTRON capture ,NUCLEAR charge ,NUCLEAR astrophysics ,NUCLEOSYNTHESIS ,NUCLEAR reactions - Abstract
The AMADEUS Collaboration aims to provide unique experimental constraints to the antikaon-nucleon strong interaction in the regime of nonperturbative QCD. The K
− nuclear captures, both at-rest and in-flight, are studied using the monochromatic low-momentum kaon beam (pK ∼ 120 MeV/c) produced at the DAΦNE collider, interacting with the KLOE detector materials. The studies are performed by reconstructing the hyperon-pion and hyperonnucleon final states. In this work a brief description of AMADEUS results for Λπ− and Λp final states is presented. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
11. High precision Kaonic Deuterium measurement at the DAΦNE collider: the SIDDHARTA-2 experiment and the SIDDHARTINO run
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Miliucci, Marco, primary, Bazzi, Massimiliano, additional, Bosnar, Damir, additional, Bragadireanu, Mario, additional, Carminati, Marco, additional, Cargnelli, Michael, additional, Clozza, Alberto, additional, Curceanu, Catalina, additional, Deda, Griseld, additional, De Paolis, Luca, additional, Del Grande, Raffaele, additional, Fiorini, Carlo, additional, Guaraldo, Carlo, additional, Iliescu, Mihail, additional, Iwasaki, Masahiko, additional, King, Pietro, additional, Levi Sandri, Paolo, additional, Marton, Johann, additional, Moskal, Paweł, additional, Napolitano, Fabrizio, additional, Nied´zwiecki, Szymon, additional, Piscicchia, Kristian, additional, Scordo, Alessandro, additional, Sgaramella, Francesco, additional, Shi, Hexi, additional, Silarski, Michał, additional, Sirghi, Diana, additional, Sirghi, Florin, additional, Skurzok, Magdalena, additional, Spallone, Antonio, additional, T¨uchler, Marlene, additional, Vazquez Doce, Oton, additional, and Zmeskal, Johann, additional
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- 2022
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12. Silicon Drift Detectors’ Spectroscopic Response during the SIDDHARTA-2 Kaonic Helium Run at the DAΦNE Collider
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Miliucci, Marco, primary, Bazzi, Massimiliano, additional, Bosnar, Damir, additional, Bragadireanu, Mario, additional, Carminati, Marco, additional, Cargnelli, Michael, additional, Clozza, Alberto, additional, Curceanu, Catalina, additional, Deda, Griseld, additional, De Paolis, Luca, additional, Del Grande, Raffaele, additional, Fiorini, Carlo, additional, Guaraldo, Carlo, additional, Iliescu, Mihail, additional, Iwasaki, Masahiko, additional, King, Pietro, additional, Levi Sandri, Paolo, additional, Marton, Johann, additional, Moskal, Paweł, additional, Napolitano, Fabrizio, additional, Niedźwiecki, Szymon, additional, Piscicchia, Kristian, additional, Scordo, Alessandro, additional, Sgaramella, Francesco, additional, Shi, Hexi, additional, Silarski, Michał, additional, Sirghi, Diana, additional, Sirghi, Florin, additional, Skurzok, Magdalena, additional, Spallone, Antonio, additional, Tüchler, Marlene, additional, Vazquez Doce, Oton, additional, and Zmeskal, Johann, additional
- Published
- 2021
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13. Kaonic Atoms to Investigate Global Symmetry Breaking
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Curceanu, Catalina, primary, Guaraldo, Carlo, additional, Sirghi, Diana, additional, Amirkhani, Aidin, additional, Baniahmad, Ata, additional, Bazzi, Massimiliano, additional, Bellotti, Giovanni, additional, Bosnar, Damir, additional, Bragadireanu, Mario, additional, Cargnelli, Michael, additional, Carminati, Marco, additional, Clozza, Alberto, additional, De Paolis, Luca, additional, Del Grande, Raffaele, additional, Fiorini, Carlo, additional, Iliescu, Mihail, additional, Iwasaki, Masahiko, additional, King, Pietro, additional, Levi Sandri, Paolo, additional, Marton, Johann, additional, Miliucci, Marco, additional, Moskal, Paweł, additional, Niedźwiecki, Szymon, additional, Okada, Shinji, additional, Piscicchia, Kristian, additional, Scordo, Alessandro, additional, Silarski, Michał, additional, Sirghi, Florin, additional, Skurzok, Magdalena, additional, Spallone, Antonio, additional, Tüchler, Marlene, additional, Utica, Gianlorenzo, additional, Vazquez Doce, Oton, additional, and Zmeskal, Johann, additional
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- 2020
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14. X-ray Detectors for Kaonic Atoms Research at DAΦNE
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Curceanu, Catalina, primary, Amirkhani, Aidin, additional, Baniahmad, Ata, additional, Bazzi, Massimiliano, additional, Bellotti, Giovanni, additional, Berucci, Carolina, additional, Bosnar, Damir, additional, Bragadireanu, Mario, additional, Cargnelli, Michael, additional, Clozza, Alberto, additional, Del Grande, Raffaele, additional, Fiorini, Carlo, additional, Ghio, Francesco, additional, Guaraldo, Carlo, additional, Iliescu, Mihail, additional, Iwasaki, Masaiko, additional, Levi Sandri, Paolo, additional, Marton, Johann, additional, Miliucci, Marco, additional, Moskal, Pavel, additional, Niedźwiecki, Szymon, additional, Okada, Shinji, additional, Pietreanu, Dorel, additional, Piscicchia, Kristian, additional, Scordo, Alessandro, additional, Shi, Hexi, additional, Silarski, Michal, additional, Sirghi, Diana, additional, Sirghi, Florin, additional, Skurzok, Magdalena, additional, Spallone, Antonio, additional, Tatsuno, Hideyuki, additional, Vazquez Doce, Oton, additional, Widmann, Eberhard, additional, and Zmeskal, Johann, additional
- Published
- 2019
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15. International Workshop: Meson Production at Intermediate and High Energies
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Giardina, Giorgio, primary, Bossi, Fabio, additional, Levi Sandri, Paolo, additional, Pedroni, Paolo, additional, and Schmieden, Hartmut, additional
- Published
- 2012
- Full Text
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