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8 results on '"Z. Gagyi-Palffy"'

1. Findings in low luminance kinetic and static perimetry

Author

Z Gagyi-Palffy, Jb Jonas, Sven C. Beutelspacher, Hermann Krastel, and Frank C. Schlichtenbrede

Subjects
medicine.medical_specialty, genetic structures, business.industry, Glaucoma, Retinal, General Medicine, Color temperature, medicine.disease, Luminance, eye diseases, Visual field, Ophthalmology, chemistry.chemical_compound, Optics, chemistry, medicine, sense organs, Scotopic vision, business, Neutral density filter, Mathematics, Photopic vision
Abstract

Purpose To transfer the neutral density filter test to perimetry; i.e. to show that the diagnostic battery can be supplemented by low luminance visual fields, if the standard procedures yield unsatisfactory information. Methods The Goldmann perimeter uses one single incandescent light source for both stimulus and background illumination (BI). By dimming the luminance was reduced by 0.6 log units. The accompanying change in colour temperature was ignored. The i) Twinfield and ii) Tubingen automatic perimeters were modified to low luminance conditions using neutral grey filters i) in front of the eye, or ii) in the stimulus and the BI light paths. Special attention was paid to perform glaucoma fields at normal IOP level as proven by GAT and/or by Corvis tonometry (the latter to avoid affection of the tear film by anesthetics). Results Low luminance perimetry produces more pronounced scotomas in kinetic, and more distinct loss of sensitivity in static perimetry than otherwise identical perimetric procedures in standard luminance. Cases concern inflammatory, ischemic and compressive optic nerve diseases, glaucoma, and ischemic and diabetic retinopathies. Results in hereditary, dystrophic and toxic retinal conditions vary depending on whether the rods and the scotopic system are mainly affected, or the cones and the photopic system. Cone diseases lack visual field deterioration in low luminance and instead may show improvement. Conclusion Low luminance perimetry is a supplementary diagnostic tool which may add helpful diagnostic information, particularly if standard results are insignificant. Commercial interest

Published
2014
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2. Some simple formulae for free-bound transitions in complex atoms

Author

Z Gagyi-Palffy, C. Vrejoiu, and Sorina Zota

Subjects
Physics, Range (particle radiation), Photon, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Cross section (physics), Angular distribution, Simple (abstract algebra), Atom, Physics::Atomic and Molecular Clusters, Matrix element, Spontaneous emission, Physics::Atomic Physics, Atomic physics
Abstract

The nonrelativistic matrix element and cross section of the radiative recombination on a complex atom are calculated for arbitrary (n,l) subshells including the first retardation correction to the angular distribution of the emitted photon. Some comparisons with experimental and other theoretical data show that the approximation used in this paper gives reasonable results for light atoms in the energy range up to a few keV.

Published
2000
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3. Physics Performance Report for: PANDA. Strong Interaction Studies with Antiprotons

Author

PANDA Collaboration, W. Erni, I. Keshelashvili, B. Krusche, M. Steinacher, Y. Heng, Z. Liu, H. Liu, X. Shen, O. Wang, H. Xu, J. Becker, F. Feldbauer, F. -H. Heinsius, T. Held, H. Koch, B. Kopf, M. Pelizaeus, T. Schroeder, M. Steinke, U. Wiedner, J. Zhong, A. Bianconi, M. Bragadireanu, D. Pantea, A. Tudorache, V. Tudorache, M. De Napoli, F. Giacoppo, G. Raciti, E. Rapisarda, C. Sfienti, E. Bialkowski, A. Budzanowski, B. Czech, M. Kistryn, S. Kliczewski, A. Kozela, P. Kulessa, K. Pysz, W. Schaefer, R. Siudak, A. Szczurek, W. Czy. zycki, M. Domagala, M. Hawryluk, E. Lisowski, F. Lisowski, L. Wojnar, D. Gil, P. Hawranek, B. Kamys, St. Kistryn, K. Korcyl, W. Krzemien, A. Magiera, P. Moskal, Z. Rudy, P. Salabura, J. Smyrski, A. Wronska, M. Al-Turany, I. Augustin, H. Deppe, H. Flemming, J. Gerl, K. Goetzen, R. Hohler, D. Lehmann, B. Lewandowski, J. Luehning, F. Maas, D. Mishra, H. Orth, K. Peters, T. Saito, G. Schepers, C. J. Schmidt, L. Schmitt, C. Schwarz, B. Voss, P. Wieczorek, A. Wilms, K. -T. Brinkmann, H. Freiesleben, R. Jaekel, R. Kliemt, T. Wuerschig, H. -G. Zaunick, V. M. Abazov, G. Alexeev, A. Arefiev, V. I. Astakhov, M. Yu. Barabanov, B. V. Batyunya, Yu. I. Davydov, V. Kh. Dodokhov, A. A. Efremov, A. G. Fedunov, A. A. Feshchenko, A. S. Galoyan, S. Grigoryan, A. Karmokov, E. K. Koshurnikov, V. Ch. Kudaev, V. I. Lobanov, Yu. Yu. Lobanov, A. F. Makarov, L. V. Malinina, V. L. Malyshev, G. A. Mustafaev, A. Olshevski, M. A. . Pasyuk, E. A. Perevalova, A. A. Piskun, T. A. Pocheptsov, G. Pontecorvo, V. K. Rodionov, Yu. N. Rogov, R. A. Salmin, A. G. Samartsev, M. G. Sapozhnikov, A. Shabratova, G. S. Shabratova, A. N. Skachkova, N. B. Skachkov, E. A. Strokovsky, M. K. Suleimanov, R. Sh. Teshev, V. V. Tokmenin, V. V. Uzhinsky, A. S. Vodopianov, S. A. Zaporozhets, N. I. Zhuravlev, A. G. Zorin, D. Branford, K. Foehl, D. Glazier, D. Watts, P. Woods, W. Eyrich, A. Lehmann, A. Teufel, S. Dobbs, Z. Metreveli, K. Seth, B. Tann, A. Tomaradze, D. Bettoni, V. Carassiti, A. Cecchi, P. Dalpiaz, E. Fioravanti, I. Garzia, M. Negrini, M. Savri`e, G. Stancari, B. Dulach, P. Gianotti, C. Guaraldo, V. Lucherini, E. Pace, A. Bersani, M. Macri, M. Marinelli, R. F. Parodi, I. Brodski, W. Doering, P. Drexler, M. Dueren, Z. Gagyi-Palffy, A. Hayrapetyan, M. Kotulla, W. Kuehn, S. Lange, M. Liu, V. Metag, M. Nanova, R. Novotny, C. Salz, J. Schneider, P. Schoenmeier, R. Schubert, S. Spataro, H. Stenzel, C. Strackbein, M. Thiel, U. Thoering, S. Yang, T. Clarkson, E. Cowie, E. Downie, G. Hill, M. Hoek, D. Ireland, R. Kaiser, T. Keri, I. Lehmann, K. Livingston, S. Lumsden, D. MacGregor, B. McKinnon, M. Murray, D. Protopopescu, G. Rosner, B. Seitz, G. Yang, M. Babai, A. K. Biegun, A. Bubak, E. Guliyev, V. S. Jothi, M. Kavatsyuk, H. Loehner, J. Messchendorp, H. Smit, J. C. van der Weele, F. Garcia, D. -O. Riska, M. Buescher, R. Dosdall, R. Dzhygadlo, A. Gillitzer, D. Grunwald, V. Jha, G. Kemmerling, H. Kleines, A. Lehrach, R. Maier, M. Mertens, H. Ohm, D. Prasuhn, T. Randriamalala, J. Ritman, M. Roeder, T. Stockmanns, P. Wintz, P. Wuestner, J. Kisiel, S. Li, Z. Li, Z. Sun, S. Fissum, K. Hansen, L. Isaksson, M. Lundin, B. Schroeder, P. Achenbach, M. C. Mora Espi, J. Pochodzalla, S. Sanchez, A. Sanchez-Lorente, V. I. Dormenev, A. A. Fedorov, M. V. Korzhik, O. V. Missevitch, V. Balanutsa, V. Chernetsky, A. Demekhin, A. Dolgolenko, P. Fedorets, A. Gerasimov, V. Goryachev, A. Boukharov, O. Malyshev, I. Marishev, A. Semenov, C. Hoeppner, B. Ketzer, I. Konorov, A. Mann, S. Neubert, S. Paul, Q. Weitzel, A. Khoukaz, T. Rausmann, A. Taeschner, J. Wessels, R. Varma, E. Baldin, K. Kotov, S. Peleganchuk, Yu. Tikhonov, J. Boucher, T. Hennino, R. Kunne, S. Ong, J. Pouthas, B. Ramstein, P. Rosier, M. Sudol, J. Van de Wiele, T. Zerguerras, K. Dmowski, R. Korzeniewski, D. Przemyslaw, B. Slowinski, G. Boca, A. Braghieri, S. Costanza, A. Fontana, P. Genova, L. Lavezzi, P. Montagna, A. Rotondi, N. I. Belikov, A. M. Davidenko, A. A. Derevschikov, Y. M. Goncharenko, V. N. Grishin, V. A. Kachanov, D. A. Konstantinov, V. A. Kormilitsin, V. I. Kravtsov, Y. A. Matulenko, Y. M. Melnik, A. P. Meschanin, N. G. Minaev, V. V. Mochalov, D. A. Morozov, L. V. Nogach, S. B. Nurushev, A. V. Ryazantsev, P. A. Semenov, L. F. Soloviev, A. V. Uzunian, A. N. Vasiliev, A. E. Yakutin, T. Baeck, B. Cederwall, C. Bargholtz, L. Geren, P. E. Tegner, S. Belostotski, G. Gavrilov, A. Itzotov, A. Kisselev, P. Kravchenko, S. Manaenkov, O. Miklukho, Y. Naryshkin, D. Veretennikov, V. Vikhrov, A. Zhadanov, L. Fava, D. Panzieri, D. Alberto, A. Amoroso, E. Botta, T. Bressani, S. Bufalino, M. P. Bussa, L. Busso, F. De Mori, M. Destefanis, L. Ferrero, A. Grasso, M. Greco, T. Kugathasan, M. Maggiora, S. Marcello, G. Serbanut, S. Sosio, R. Bertini, D. Calvo, S. Coli, P. De Remigis, A. Feliciello, A. Filippi, G. Giraudo, G. Mazza, A. Rivetti, K. Szymanska, F. Tosello, R. Wheadon, O. Morra, M. Agnello, F. Iazzi, R. Birsa, F. Bradamante, A. Bressan, A. Martin, H. Clement, C. Ekstroem, H. Calen, S. Grape, B. Hoeistad, T. Johansson, A. Kupsc, P. Marciniewski, E. Thome, J. Zlomanczuk, J. Diaz, A. Ortiz, S. Borsuk, A. Chlopik, Z. Guzik, J. Kopec, T. Kozlowski, D. Melnychuk, M. Plominski, J. Szewinski, K. Traczyk, B. Zwieglinski, P. Buehler, A. Gruber, P. Kienle, J. Marton, E. Widmann, J. Zmeskal, M. F. M. Lutz, B. Pire, O. Scholten, and R. Timmermans

Subjects
Physics::Instrumentation and Detectors, Nuclear Theory, High Energy Physics::Experiment, Nuclear Experiment
Abstract

To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitations, the physics of strange and charm quarks and nucleon structure studies will be performed with unprecedented accuracy thereby allowing high-precision tests of the strong interaction. The proposed PANDA detector is a state-of-the art internal target detector at the HESR at FAIR allowing the detection and identification of neutral and charged particles generated within the relevant angular and energy range. This report presents a summary of the physics accessible at PANDA and what performance can be expected.

Published
2009

4. NUCLEAR MOLECULAR STRUCTURE

Author

Werner Scheid, T. M. Shneidman, G. G. Adamian, A. S. Zubov, N. V. Antonenko, Yu. V. Palchikov, S. P. Ivanova, Z. Gagyi-Palffy, and R. V. Jolos

Subjects
Physics, Fusion, Chemical physics, Master equation, Molecule
Published
2007
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5. Dynamics in the production of superheavy elements

Author

Z. Gagyi-Palffy, W. Scheid, A. S. Zubov, G. G. Adamian, S. P. Ivanova, and N. V. Antonenko

Subjects
Physics, Nuclear physics, Fusion, Nuclear Theory, System concept, Transactinide element, Nuclear fusion, Superheavy Elements, Atomic physics, Nuclear Experiment, Nucleon
Abstract

The dynamics of fusion is described by the dinuclear system concept which assumes two touching nuclei which carry out motion in the internuclear distance and exchange nucleons by transfer. The corresponding model can be applied to calculate evaporation residue cross sections for complete and incomplete fusion reactions leading to superheavy nuclei.

Published
2007
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6. Gauge-Independent Analysis of K_L --> e \mu in Left-Right Models

Author

Karl Schilcher, Z. Gagyi-Palffy, and Apostolos Pilaftsis

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Branching fraction, High Energy Physics::Phenomenology, Context (language use), Parameter space, Loop (topology), Renormalization, MAJORANA, High Energy Physics - Phenomenology, Vertex (curve), High Energy Physics::Experiment, Gauge theory
Abstract

The lepton-flavour-violating decay K_L --> e \mu is studied in detail within the context of SU(2)_R x SU(2)_L x U(1)_(B-L) models, which include heavy Majorana neutrinos. Particular attention is paid to the gauge independence of this decay process to one loop. In analogy with earlier studies on the K^0\bar{K}^0 mixing, it is explicitly shown how restoration of gauge invariance occurs in the decay amplitude containing the box diagrams, when the relevant Higgs-dependent self-energy and vertex graphs are taken into account in the on-shell skeleton renormalization scheme. Based on the analytic expressions so derived, we find that the branching ratio B(K_L --> e \mu) can be considerably enhanced due to the presence of left- and right-handed currents in the loop, and can reach values close to or even larger than the present experimental limit 3.3 x 10^{-11} in the manifest left-right symmetric model. Constraints on the parameter space of typical left-right models are derived from the possible decay K_L --> e \mu and a global analysis of other low-energy data., Comment: 44 pages, LaTeX, six encapsulated figures included

Published
1997

7. Heavy-Neutrino Chirality Enhancement of the Decay $K_L -> e\mu $ in Left-Right Symmetric Models

Author

Z. Gagyi-Palffy, Karl Schilcher, and Apostolos Pilaftsis

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, MAJORANA, High Energy Physics - Phenomenology, Branching fraction, Heavy neutrino, Neutrino, Chirality (chemistry), Standard Model
Abstract

We study the decay $K_L -> e\mu$ in minimal extensions of the Standard Model based on the gauge groups $SU(2)_L x U(1)_Y$ and $SU(2)_R x SU(2)_L x U(1)_{B-L}$, in which heavy Majorana neutrinos are present. In $SU(2)_L x U(1)_Y$ models with chiral neutral singlets, $B(K_L -> e\mu )$ cannot be much larger than $5 x 10^{-15}$ without violating other low-energy constraints. In $SU(2)_L x SU(2)_R x U(1)_{B-L}$ models, we find that heavy-neutrino-chirality enhancements due to the presence of left-handed and right- handed currents can give rise to a branching ratio close to the present experimental limit $B(K_L -> e \mu)< 3.3 x 10^{-11}$., Comment: 16 pages (4 figs appended as a ps file), LaTeX, RAL/94-090 and MZ-TH/94-22

Published
1994

8. Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons

Author

PANDA Collaboration, W. Erni, I. Keshelashvili, B. Krusche, M. Steinacher, Y. Heng, Z. Liu, H. Liu, X. Shen, O. Wang, H. Xu, J. Becker, F. Feldbauer, F. -H. Heinsius, T. Held, H. Koch, B. Kopf, M. Pelizaeus, T. Schroeder, M. Steinke, U. Wiedner, J. Zhong, A. Bianconi, M. Bragadireanu, D. Pantea, A. Tudorache, V. Tudorache, M. De Napoli, F. Giacoppo, G. Raciti, E. Rapisarda, C. Sfienti, E. Bialkowski, A. Budzanowski, B. Czech, M. Kistryn, S. Kliczewski, A. Kozela, P. Kulessa, K. Pysz, W. Schaefer, R. Siudak, A. Szczurek, W. Czy. Zycki, M. Domagala, M. Hawryluk, E. Lisowski, F. Lisowski, L. Wojnar, D. Gil, P. Hawranek, B. Kamys, St. Kistryn, K. Korcyl, W. Krzemien, A. Magiera, P. Moskal, Z. Rudy, P. Salabura, J. Smyrski, A. Wronska, M. Al-Turany, I. Augustin, H. Deppe, H. Flemming, J. Gerl, K. Goetzen, R. Hohler, D. Lehmann, B. Lewandowski, J. Luehning, F. Maas, D. Mishra, H. Orth, K. Peters, T. Saito, G. Schepers, C. J. Schmidt, L. Schmitt, C. Schwarz, B. Voss, P. Wieczorek, A. Wilms, K. -T. Brinkmann, H. Freiesleben, R. Jaekel, R. Kliemt, T. Wuerschig, H. -G. Zaunick, V. M. Abazov, G. Alexeev, A. Arefiev, V. I. Astakhov, M. Yu. Barabanov, B. V. Batyunya, Yu. I. Davydov, V. Kh. Dodokhov, A. A. Efremov, A. G. Fedunov, A. A. Feshchenko, A. S. Galoyan, S. Grigoryan, A. Karmokov, E. K. Koshurnikov, V. Ch. Kudaev, V. I. Lobanov, Yu. Yu. Lobanov, A. F. Makarov, L. V. Malinina, V. L. Malyshev, G. A. Mustafaev, A. Olshevski, M. A. . Pasyuk, E. A. Perevalova, A. A. Piskun, T. A. Pocheptsov, G. Pontecorvo, V. K. Rodionov, Yu. N. Rogov, R. A. Salmin, A. G. Samartsev, M. G. Sapozhnikov, A. Shabratova, G. S. Shabratova, A. N. Skachkova, N. B. Skachkov, E. A. Strokovsky, M. K. Suleimanov, R. Sh. Teshev, V. V. Tokmenin, V. V. Uzhinsky, A. S. Vodopianov, S. A. Zaporozhets, N. I. Zhuravlev, A. G. Zorin, D. Branford, K. Foehl, D. Glazier, D. Watts, P. Woods, W. Eyrich, A. Lehmann, A. Teufel, S. Dobbs, Z. Metreveli, K. Seth, B. Tann, A. Tomaradze, D. Bettoni, V. Carassiti, A. Cecchi, P. Dalpiaz, E. Fioravanti, I. Garzia, M. Negrini, M. Savri`E, G. Stancari, B. Dulach, P. Gianotti, C. Guaraldo, V. Lucherini, E. Pace, A. Bersani, M. Macri, M. Marinelli, R. F. Parodi, I. Brodski, W. Doering, P. Drexler, M. Dueren, Z. Gagyi-Palffy, A. Hayrapetyan, M. Kotulla, W. Kuehn, S. Lange, M. Liu, V. Metag, M. Nanova, R. Novotny, C. Salz, J. Schneider, P. Schoenmeier, R. Schubert, S. Spataro, H. Stenzel, C. Strackbein, M. Thiel, U. Thoering, S. Yang, T. Clarkson, E. Cowie, E. Downie, G. Hill, M. Hoek, D. Ireland, R. Kaiser, T. Keri, I. Lehmann, K. Livingston, S. Lumsden, D. MacGregor, B. McKinnon, M. Murray, D. Protopopescu, G. Rosner, B. Seitz, G. Yang, M. Babai, A. K. Biegun, A. Bubak, E. Guliyev, V. S. Jothi, M. Kavatsyuk, H. Loehner, J. Messchendorp, H. Smit, J. C. Van Der Weele, F. Garcia, D. -O. Riska, M. Buescher, R. Dosdall, R. Dzhygadlo, A. Gillitzer, D. Grunwald, V. Jha, G. Kemmerling, H. Kleines, A. Lehrach, R. Maier, M. Mertens, H. Ohm, D. Prasuhn, T. Randriamalala, J. Ritman, M. Roeder, T. Stockmanns, P. Wintz, P. Wuestner, J. Kisiel, S. Li, Z. Li, Z. Sun, S. Fissum, K. Hansen, L. Isaksson, M. Lundin, B. Schroeder, P. Achenbach, M. C. Mora Espi, J. Pochodzalla, S. Sanchez, A. Sanchez-Lorente, V. I. Dormenev, A. A. Fedorov, M. V. Korzhik, O. V. Missevitch, V. Balanutsa, V. Chernetsky, A. Demekhin, A. Dolgolenko, P. Fedorets, A. Gerasimov, V. Goryachev, A. Boukharov, O. Malyshev, I. Marishev, A. Semenov, C. Hoeppner, B. Ketzer, I. Konorov, A. Mann, S. Neubert, S. Paul, Q. Weitzel, A. Khoukaz, T. Rausmann, A. Taeschner, J. Wessels, R. Varma, E. Baldin, K. Kotov, S. Peleganchuk, Yu. Tikhonov, J. Boucher, T. Hennino, R. Kunne, S. Ong, J. Pouthas, B. Ramstein, P. Rosier, M. Sudol, J. Van De Wiele, T. Zerguerras, K. Dmowski, R. Korzeniewski, D. Przemyslaw, B. Slowinski, G. Boca, A. Braghieri, S. Costanza, A. Fontana, P. Genova, L. Lavezzi, P. Montagna, A. Rotondi, N. I. Belikov, A. M. Davidenko, A. A. Derevschikov, Y. M. Goncharenko, V. N. Grishin, V. A. Kachanov, D. A. Konstantinov, V. A. Kormilitsin, V. I. Kravtsov, Y. A. Matulenko, Y. M. Melnik, A. P. Meschanin, N. G. Minaev, V. V. Mochalov, D. A. Morozov, L. V. Nogach, S. B. Nurushev, A. V. Ryazantsev, P. A. Semenov, L. F. Soloviev, A. V. Uzunian, A. N. Vasiliev, A. E. Yakutin, T. Baeck, B. Cederwall, C. Bargholtz, L. Geren, P. E. Tegner, S. Belostotski, G. Gavrilov, A. Itzotov, A. Kisselev, P. Kravchenko, S. Manaenkov, O. Miklukho, Y. Naryshkin, D. Veretennikov, V. Vikhrov, A. Zhadanov, L. Fava, D. Panzieri, D. Alberto, A. Amoroso, E. Botta, T. Bressani, S. Bufalino, M. P. Bussa, L. Busso, F. De Mori, M. Destefanis, L. Ferrero, A. Grasso, M. Greco, T. Kugathasan, M. Maggiora, S. Marcello, G. Serbanut, S. Sosio, R. Bertini, D. Calvo, S. Coli, P. De Remigis, A. Feliciello, A. Filippi, G. Giraudo, G. Mazza, A. Rivetti, K. Szymanska, F. Tosello, R. Wheadon, O. Morra, M. Agnello, F. Iazzi, R. Birsa, F. Bradamante, A. Bressan, A. Martin, H. Clement, C. Ekstroem, H. Calen, S. Grape, B. Hoeistad, T. Johansson, A. Kupsc, P. Marciniewski, E. Thome, J. Zlomanczuk, J. Diaz, A. Ortiz, S. Borsuk, A. Chlopik, Z. Guzik, J. Kopec, T. Kozlowski, D. Melnychuk, M. Plominski, J. Szewinski, K. Traczyk, B. Zwieglinski, P. Buehler, A. Gruber, P. Kienle, J. Marton, E. Widmann, J. Zmeskal, M. F. M. Lutz, B. Pire, O. Scholten, and R. Timmermans

Subjects
Physics::Instrumentation and Detectors, Nuclear Theory, High Energy Physics::Experiment, Nuclear Experiment, 7. Clean energy
Abstract

To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitations, the physics of strange and charm quarks and nucleon structure studies will be performed with unprecedented accuracy thereby allowing high-precision tests of the strong interaction. The proposed PANDA detector is a state-of-the art internal target detector at the HESR at FAIR allowing the detection and identification of neutral and charged particles generated within the relevant angular and energy range. This report presents a summary of the physics accessible at PANDA and what performance can be expected.

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