Seminari di Fisica 2013 dell'Universita' di Ferrara e della sezione INFN
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Tuesday, 17 September 2013
00:00
VIII CONGRESSO NAZIONALE "ASTROFISICA DEGLI OGGETTI COMPATTI"
VIII CONGRESSO NAZIONALE "ASTROFISICA DEGLI OGGETTI COMPATTI"
00:00 - 00:20
Room: Aula Magna del Dipartimento di Economia dell'Università di Ferrara
Il congresso vertera` sui seguenti argomenti: - Pulsar radio, Resti di Supernova, Pulsar Wind Nebulae - Stelle di Neutroni in Binarie X - Pulsar X Anomale, Stelle di Neutroni isolate, Soft-Gamma Repeaters - Buchi Neri Stellari, di Massa Intermedia e Ultraluminous X-ray Sources - Nane Bianche e Variabili Cataclismiche - Nuova strumentazione per l'astrofisica delle alte energie http://www.brera.inaf.it/~campana/cnoc8
Wednesday, 18 September 2013
11:00
A review on B and B_s decays
-
Concezio Bozzi
(
FE
)
A review on B and B_s decays
Concezio Bozzi
(
FE
)
11:00 - 12:00
Room: aula 412, Blocco C
A review of B and B_s meson decays is presented, with emphasis given to processes most sensitive to physics beyond the Standard Model. The most recent results from B Factories and hadron colliders on radiative and electroweak penguins, and on leptonic and semileptonic decays involving tau leptons, will be shown. Implications on new physics will be discussed.
Thursday, 19 September 2013
Friday, 20 September 2013
Saturday, 21 September 2013
Sunday, 22 September 2013
Monday, 23 September 2013
Tuesday, 24 September 2013
Wednesday, 25 September 2013
Thursday, 26 September 2013
Friday, 27 September 2013
Saturday, 28 September 2013
Sunday, 29 September 2013
Monday, 30 September 2013
Tuesday, 1 October 2013
Wednesday, 2 October 2013
Thursday, 3 October 2013
Friday, 4 October 2013
Saturday, 5 October 2013
Sunday, 6 October 2013
Monday, 7 October 2013
Tuesday, 8 October 2013
Wednesday, 9 October 2013
15:00
Recent results from the AMS on the International Space Station
-
Roberto Battiston
(
PG
)
Recent results from the AMS on the International Space Station
Roberto Battiston
(
PG
)
15:00 - 16:00
Room: aula 412, Blocco C
Abstract Two years after the launch and begin of operation of AMS on the ISS, precision measurements of cosmic rays composition and spectra are presented. We also discuss the experience gained operating for the first time and for a long time a large particle physics experiment on the ISS.
Thursday, 10 October 2013
Friday, 11 October 2013
Saturday, 12 October 2013
Sunday, 13 October 2013
Monday, 14 October 2013
Tuesday, 15 October 2013
Wednesday, 16 October 2013
Thursday, 17 October 2013
Friday, 18 October 2013
Saturday, 19 October 2013
Sunday, 20 October 2013
Monday, 21 October 2013
Tuesday, 22 October 2013
Wednesday, 23 October 2013
15:30
Dualities near the Horizon
-
Alessio Marrani
(
KU University of Leuven (Belgio)
)
Dualities near the Horizon
Alessio Marrani
(
KU University of Leuven (Belgio)
)
15:30 - 16:30
In four-dimensional gravity theories with local supersymmetry, electric-magnetic duality rotations play a significant role, especially through the symplectic matrix M, related to the coupling of scalar fields to Abelian 2-form field-strengths. I will give a basic introduction on some aspects of supergravity theories, focusing on the class of duality groups "of type E7", and on the corresponding notion of "Freudenthal duality". I will also give a brief account of the attractor mechanism for scalar fields in asymptotically flat, spherically symmetric, static, dyonic and extremal black holes. Within this framework, I will present a universal expression of the Abelian 2-form field strengths in terms of the electric and magnetic charges of the black hole, in the near-horizon Bertotti-Robinson geometry. Main Reference : arXiv:1305.2057v1
Thursday, 24 October 2013
Friday, 25 October 2013
Saturday, 26 October 2013
Sunday, 27 October 2013
Monday, 28 October 2013
11:00
Recent Measurements of Form Factors of Mesons and Hyperons at large timelike Momentum Transfers
-
Kamal Seth
(
NorthWestern Universtity USA
)
Recent Measurements of Form Factors of Mesons and Hyperons at large timelike Momentum Transfers
Kamal Seth
(
NorthWestern Universtity USA
)
11:00 - 12:00
Room: aula 412, Blocco C
Form factors provide some of the most direct insight into the structure of hadrons. For mesons and hyperons, none of which are available as targets, form factor measurements can only be made for timelike momentum transfers by means of e+e- -> hhbar reactions, where h can be any hadron. Further, only for large momentum transfers the measurements can be hopefully understood in terms of QCD, or more realistically in terms of pQCD. We have made precision measurements of the form factors of pions, kaons, protons, and all the neutral and charged hyperons, lambda, sigma, cascade, and omega, at the large momentum transfers of 14.2 and 17.4 GeV^2. The results reveal unexpected features, and pose serious questions for pQCD and the role of SU(3)- breaking.
Tuesday, 29 October 2013
14:00
Understanding the proton size puzzle by hyperfine spectroscopy
-
D. Bakalov
(
INRNE, Bulgarian Academy of sciences
)
Understanding the proton size puzzle by hyperfine spectroscopy
D. Bakalov
(
INRNE, Bulgarian Academy of sciences
)
14:00 - 15:00
Room: 300, 3 piano
The recent PSI Lamb shift experiment has displayed a disagreement of 7sigmas between the experimental values of the proton r.m.s. charge radius extracted from e-p scattering and muonic hydrogen spectroscopy. This discrepancy has not yet been explained; it is not even known whether it may be ascribed to the different experimental methods or reflects some fundamental features of the muon. The latter hypothesis may be tested best by comparing the values of an other characteristics of the proton, the Zemach radius Rp, obtainable from measurements of the hyperfine splitting (HFS) in ordinary and muonic hydrogen atoms. A summary of the progress in the experimental ideas for this measurement is presented and the main methodological problems are analyzed quantitatively.
Wednesday, 30 October 2013
Thursday, 31 October 2013
Friday, 1 November 2013
Saturday, 2 November 2013
Sunday, 3 November 2013
Monday, 4 November 2013
Tuesday, 5 November 2013
Wednesday, 6 November 2013
Thursday, 7 November 2013
Friday, 8 November 2013
Saturday, 9 November 2013
Sunday, 10 November 2013
Monday, 11 November 2013
Tuesday, 12 November 2013
Wednesday, 13 November 2013
Thursday, 14 November 2013
Friday, 15 November 2013
Saturday, 16 November 2013
Sunday, 17 November 2013
Monday, 18 November 2013
11:00
Polarizing solid HD and its prospects with electron beams.
-
Alex Sandorfi
(
Jefferson Lab (USA)
)
Polarizing solid HD and its prospects with electron beams.
Alex Sandorfi
(
Jefferson Lab (USA)
)
11:00 - 11:20
Room: Sala Instrumentaria del Dipartimento di Fisica (Aula 018), piano terra
Abstract: The production of a polarized solid HD represents a technical challenge that by now can be considered solved. The actual frontier is the implementation of such a target in a Deep Inelastic Scattering experiment. An intensive program is presently underway at Jefferson Lab (Virgina, USA) to explore the possible effects of the interaction of an electron beam with the target material. Would the investigation be successfull, a new powerful tool would be available to experimentally address the still unsolved misteries of the proton spin.
Tuesday, 19 November 2013
Wednesday, 20 November 2013
Thursday, 21 November 2013
Friday, 22 November 2013
Saturday, 23 November 2013
Sunday, 24 November 2013
Monday, 25 November 2013
16:00
Fingerprints of Dark Matter in the gamma-ray sky (?)
-
Alfredo Urbano
(
SISSA Trieste
)
Fingerprints of Dark Matter in the gamma-ray sky (?)
Alfredo Urbano
(
SISSA Trieste
)
16:00 - 17:00
Room: aula 412, Blocco C
"The quest of Dark Matter signals in the gamma-ray sky is one of the most intriguing and exciting challenges in astrophysics. The analysis of the gamma-ray photons collected by the Fermi Large Area Telescope reveals the existence of an excess towards the Galactic center compatible with Dark Matter annihilation. We review and discuss the recent literature about this subject."
Tuesday, 26 November 2013
Wednesday, 27 November 2013
Thursday, 28 November 2013
Friday, 29 November 2013
Saturday, 30 November 2013
Sunday, 1 December 2013
Monday, 2 December 2013
Tuesday, 3 December 2013
Wednesday, 4 December 2013
11:00
Lezioni di Astrofisica (The transient sky)
-
Shrinivas Kullarni
(
CalTech, USA
)
Lezioni di Astrofisica (The transient sky)
Shrinivas Kullarni
(
CalTech, USA
)
11:00 - 12:00
Room: 300, 3 piano, Blocco C
Programma dettagliato: http://www.astro.caltech.edu/~srk/FerraraCourse/KulkarniTransientCourse.html December 4, Wednesday 1. Lecture "Introduction to the Optical Transient Sky (11.00) 2. Lecture "Simple Explosions, Part I" (16,00) December 5, Thursday 3. Lecture "Simple Explosions, Part II" (11.00) 4. Lecture "Supernovae Classification" (16.00) December 6, Friday 5. Lecture "New Types of Supernovae" (11.00) 6. Lecture "A strategy for the future" (16.00) December 11, Wednesday 7. Lecture "Introduction to Gamma-ray bursts" (16.00) December 12, Thursday 8. Lecture " Long duration GRBs and Supernova association " (11.00) 9. Lecture "Short Hard Bursts" (16.00) December 13, Friday 10. Lecture "Ultra-Long GRBs (A mystery)" (11.00) 11. Lecture "Soft Gamma-Ray Repeaters" (16.00) December 17 or 18 (TBD) 12. Lecture: Student short talks (Time TBD) December 18, Wednesday 13. Lecture "Transients in the Radio Band (Introduction)" (11.00) 14. Lecture "Long Duration Transients: Status" (16.00) December 19, 15. Lecture "The Parkes Fast Radio Bursts (PFRB): Status" (11.00) 16. Lecture "A Critical Examination of the PFRB"
Thursday, 5 December 2013
15:00
Dal Giallo al Rosso: viraggio negli affreschi di Pompei
-
Sergio Omarini
(
INO-CNR Firenze
)
Dal Giallo al Rosso: viraggio negli affreschi di Pompei
Sergio Omarini
(
INO-CNR Firenze
)
15:00 - 16:00
Room: aula 412, Blocco C
Friday, 6 December 2013
Saturday, 7 December 2013
Sunday, 8 December 2013
Monday, 9 December 2013
Tuesday, 10 December 2013
Wednesday, 11 December 2013
Thursday, 12 December 2013
Friday, 13 December 2013
Saturday, 14 December 2013
Sunday, 15 December 2013
Monday, 16 December 2013
Tuesday, 17 December 2013
Wednesday, 18 December 2013
Thursday, 19 December 2013
14:00
Decay law in quantum mechanics and in quantum field theory.
-
Francesco Giacosa
(
Institut für Theoretische Physik, Johann Wolfgang Goethe-Universität, Frankfurt
)
Decay law in quantum mechanics and in quantum field theory.
Francesco Giacosa
(
Institut für Theoretische Physik, Johann Wolfgang Goethe-Universität, Frankfurt
)
14:00 - 15:00
Room: Stanza 412, Blocco C
Abstract: The description of the decay law and its link to the energy distribution is shown in quantum mechanics (QM). Deviations from the exponential decay law exist at short and long times; experiments are discussed, in which these deviations have been seen. A related effect is the so-called Quantum Zeno effect, which forbids the decay (or a transition) of a quantum state that is observed at sufficiently small time intervals. Then, the attention is focused on the the decay in the context of quantum field theory (QFT): it is shown that deviations from the exponential law occur also here. Similarities and differences with QM are discussed. The important case of the decay, in which more than one decay channel is present, is shown.
Friday, 20 December 2013
Saturday, 21 December 2013
Sunday, 22 December 2013
Monday, 23 December 2013
Tuesday, 24 December 2013
Wednesday, 25 December 2013
Thursday, 26 December 2013
Friday, 27 December 2013
Saturday, 28 December 2013
Sunday, 29 December 2013
Monday, 30 December 2013
Tuesday, 31 December 2013