Name: Seminari di Fisica 2014 dell'Universita' di Ferrara e dell'INFN
Start: 2014-01-01T08:00:00+01:00
End: 2014-12-31T18:00:00+01:00
Location: Dipartimento di Fisica e Scienze della Terra

Monday, December 30, 2013
Tuesday, December 31, 2013
Wednesday, January 1, 2014
Thursday, January 2, 2014
Friday, January 3, 2014
Saturday, January 4, 2014
Sunday, January 5, 2014

Monday, January 6, 2014
Tuesday, January 7, 2014
Wednesday, January 8, 2014
3:30 PM Using massive clusters to probe the cosmological paradigm and unveil the first light in the Universe - Piero Rosati (Universita' di Ferrara)
Using massive clusters to probe the cosmological paradigm and unveil the first light in the Universe
- Piero Rosati (Universita' di Ferrara)
3:30 PM - 4:30 PM
Room: Stanza 412, Blocco C abstract: Galaxy clusters are a powerful tools to test the Lambda-Cold-Dark-Matter (LCDM) cosmological paradigm and the structure formation scenario. Their multi-wavelength study reveal key information on the dark sector of the Universe (DM and dark energy), as well as on the cosmic circulation of baryons in the cold and hot phase. I will briefly review the methodologies and recent results in this field. I will then describe an on-going project (called CLASH), which combines an Hubble treasury program with a large spectroscopic survey with the VLT to study the mass distribution (dark matter and baryons) of 25 clusters at intermediate redshift with unprecedented accuracy, using gravitational lensing and kinematics techniques. I will describe the potential of these observations to shed light on the nature of the DM. These massive clusters also act as powerful gravitational telescopes, magnifying the most distant galaxies which would otherwise escape detection, thus allowing us to search for the first stars well into the first billion year of cosmic history.
Thursday, January 9, 2014
2:30 PM Chi sta giocando a dadi col mondo? - Andrea Roselli (Universita' di Milano)
Chi sta giocando a dadi col mondo?
- Andrea Roselli (Universita' di Milano)
2:30 PM - 3:30 PM
Room: Stanza 412, Blocco C Abstract: Einstein, come tutti i fisici prima di lui, era convinto che l'obiettivo della scienza fosse la descrizione di un mondo determinato, definito, indipendente dalla nostra conoscenza. Quando i fisici di Copenaghen cominciarono a parlare di indeterminismo e problema della misura, fu chiaro che la MQ - così com'era - non era compatibile con quella descrizione: si produsse uno iato tra chi, per salvare la nuova teoria dei quanti, era disposto a cambiare la propria idea di "mondo" e chi, al contrario, era convinto si dovesse cercare una teoria migliore, capace di descrivere in maniera classica la realtà. Punto affatto singolare in cui fisica e filosofia possono intrecciarsi proficuamente, dando vita alle diverse contemporanee interpretazioni. Ma com'è possibile che esistano più interpretazioni di una stessa teoria? E a che cosa servono? Da quali presupposti concettuali partono e a quale realtà si riferiscono? Ed è vero quanto riferisce Rebecca Goldstein in Properties of Light, che "in altri contesti, quelli non scientifici, la differenza tra chi è convinto dell'esistenza di una realtà indipendente e chi no è grosso modo correlata alla distinzione tra chi è sano di mente e chi dà i numeri"? E perchè Einstein, Bohr, lo stesso Mermin (padre della famosa sentenza "Shut up and calculate" - persino lui), dovettero uscire dai confini della fisica e improvvisarsi filosofi per affrontare appieno la questione?
Friday, January 10, 2014
Saturday, January 11, 2014
Sunday, January 12, 2014

Monday, January 13, 2014
Tuesday, January 14, 2014
Wednesday, January 15, 2014
Thursday, January 16, 2014
Friday, January 17, 2014
Saturday, January 18, 2014
Sunday, January 19, 2014

Monday, January 20, 2014
2:00 PM Measuring matter perturbations with weak lensing of supernovae - Miguel Quartin (Univ. Federal do Rio de Janeiro (UFRJ), Brasil)
Measuring matter perturbations with weak lensing of supernovae
- Miguel Quartin (Univ. Federal do Rio de Janeiro (UFRJ), Brasil)
2:00 PM - 3:00 PM
Room: aula 412 Abstract: Soon the number of type Ia supernovae (SNe) measurements should surpass 10^5. Understanding weak lensing effects in these objects will then be more important than ever. Although SNe lensing is usually seen as a source of systematic noise in this talk I will show how this noise can be in fact turned into signal. I will thus first describe how we were able to accurately model the lensing effects. I will then use these fits to show that the SNe Hubble diagram dispersion is basically modulated by Omega_m0 and sigma_8. I will argue that the modelling of this dispersion allows for an independent measurement also of sigma_8 with supernova data. I will finally show some results using real data.
Tuesday, January 21, 2014
Wednesday, January 22, 2014
Thursday, January 23, 2014
Friday, January 24, 2014
Saturday, January 25, 2014
Sunday, January 26, 2014

Monday, February 3, 2014
Tuesday, February 4, 2014
Wednesday, February 5, 2014
Thursday, February 6, 2014
Friday, February 7, 2014
Saturday, February 8, 2014
Sunday, February 9, 2014

Monday, March 3, 2014
Tuesday, March 4, 2014
Wednesday, March 5, 2014
Thursday, March 6, 2014
3:00 PM A cosmological bound on $e^+ e^-$ mass difference - Victor, A. Novikov (ITEP, Moscow)
A cosmological bound on $e^+ e^-$ mass difference
- Victor, A. Novikov (ITEP, Moscow)
3:00 PM - 4:00 PM
Room: Stanza 412, Blocco C We demonstrate that CPT-violation due to the $e^+ e^-$ mass difference generates a photon mass. As a result a cosmological bound on the photon mass leads to the bound on $e^+ e^-$ mass difference that more than 10 orders of magnitude stronger than the direct experimental bound.
Friday, March 7, 2014
Saturday, March 8, 2014
Sunday, March 9, 2014

Monday, April 7, 2014
Tuesday, April 8, 2014
Wednesday, April 9, 2014
Thursday, April 10, 2014
11:00 AM PRIN Meeting on Gamma Ray Bursts - Filippo chair Frontera (Universita' di Ferrara)
PRIN Meeting on Gamma Ray Bursts
- Filippo chair Frontera (Universita' di Ferrara)
11:00 AM - 7:00 PM
Room: Stanza 412, Blocco C
Friday, April 11, 2014
9:00 AM PRIN Meeting on Gamma Ray Bursts - Filippo Frontera (Universita' di Ferrara)
PRIN Meeting on Gamma Ray Bursts
- Filippo Frontera (Universita' di Ferrara)
9:00 AM - 5:30 PM
Room: Stanza 412, Blocco C
Saturday, April 12, 2014
Sunday, April 13, 2014

Monday, April 21, 2014
Tuesday, April 22, 2014
Wednesday, April 23, 2014
Thursday, April 24, 2014
Friday, April 25, 2014
Saturday, April 26, 2014
Sunday, April 27, 2014

Monday, April 28, 2014
Tuesday, April 29, 2014
Wednesday, April 30, 2014
Thursday, May 1, 2014
Friday, May 2, 2014
Saturday, May 3, 2014
Sunday, May 4, 2014

Monday, May 12, 2014
Tuesday, May 13, 2014
Wednesday, May 14, 2014
Thursday, May 15, 2014
Friday, May 16, 2014
Saturday, May 17, 2014
Sunday, May 18, 2014

Monday, May 19, 2014
Tuesday, May 20, 2014
Wednesday, May 21, 2014
Thursday, May 22, 2014
Friday, May 23, 2014
Saturday, May 24, 2014
Sunday, May 25, 2014

Monday, June 23, 2014
Tuesday, June 24, 2014
Wednesday, June 25, 2014
3:00 PM Axion dark matter: constraints from cosmological observations - Massimiliano Lattanzi (Universita' di Ferrara)
Axion dark matter: constraints from cosmological observations
- Massimiliano Lattanzi (Universita' di Ferrara)
3:00 PM - 4:00 PM
Room: stanza 412, blocco C The nature of dark matter is one of the most puzzling open problems of cosmology and particle physics. Axions and axion-like particles (ALPs), like the majoron, are plausible candidates for the role of dark matter. In my talk I will review the constraints that can be put on the properties of axions from the most recent observations of the temperature and polarization anisotropies of the cosmic microwave background, in conjunction with the measurements of baryon acoustic oscillations and other cosmological data.
Thursday, June 26, 2014
Friday, June 27, 2014
Saturday, June 28, 2014
Sunday, June 29, 2014

Monday, July 7, 2014
Tuesday, July 8, 2014
Wednesday, July 9, 2014
Thursday, July 10, 2014
Friday, July 11, 2014
Saturday, July 12, 2014
Sunday, July 13, 2014

Monday, July 14, 2014
Tuesday, July 15, 2014
Wednesday, July 16, 2014
Thursday, July 17, 2014
Friday, July 18, 2014
Saturday, July 19, 2014
Sunday, July 20, 2014

Monday, July 21, 2014
Tuesday, July 22, 2014
Wednesday, July 23, 2014
Thursday, July 24, 2014
Friday, July 25, 2014
Saturday, July 26, 2014
Sunday, July 27, 2014

Monday, July 28, 2014
Tuesday, July 29, 2014
Wednesday, July 30, 2014
Thursday, July 31, 2014
Friday, August 1, 2014
Saturday, August 2, 2014
Sunday, August 3, 2014

Monday, August 4, 2014
Tuesday, August 5, 2014
Wednesday, August 6, 2014
Thursday, August 7, 2014
Friday, August 8, 2014
Saturday, August 9, 2014
Sunday, August 10, 2014

Monday, August 11, 2014
Tuesday, August 12, 2014
Wednesday, August 13, 2014
Thursday, August 14, 2014
Friday, August 15, 2014
Saturday, August 16, 2014
Sunday, August 17, 2014

Monday, August 18, 2014
Tuesday, August 19, 2014
Wednesday, August 20, 2014
Thursday, August 21, 2014
Friday, August 22, 2014
Saturday, August 23, 2014
Sunday, August 24, 2014

Monday, August 25, 2014
Tuesday, August 26, 2014
Wednesday, August 27, 2014
Thursday, August 28, 2014
Friday, August 29, 2014
Saturday, August 30, 2014
Sunday, August 31, 2014

Monday, September 1, 2014
Tuesday, September 2, 2014
Wednesday, September 3, 2014
Thursday, September 4, 2014
Friday, September 5, 2014
Saturday, September 6, 2014
Sunday, September 7, 2014

Monday, September 8, 2014
Tuesday, September 9, 2014
Wednesday, September 10, 2014
Thursday, September 11, 2014
Friday, September 12, 2014
Saturday, September 13, 2014
Sunday, September 14, 2014

Monday, September 22, 2014
Tuesday, September 23, 2014
Wednesday, September 24, 2014
Thursday, September 25, 2014
Friday, September 26, 2014
Saturday, September 27, 2014
Sunday, September 28, 2014

Monday, October 6, 2014
Tuesday, October 7, 2014
Wednesday, October 8, 2014
Thursday, October 9, 2014
Friday, October 10, 2014
Saturday, October 11, 2014
Sunday, October 12, 2014

Monday, October 13, 2014
Tuesday, October 14, 2014
Wednesday, October 15, 2014
Thursday, October 16, 2014
Friday, October 17, 2014
Saturday, October 18, 2014
Sunday, October 19, 2014

Monday, October 20, 2014
Tuesday, October 21, 2014
Wednesday, October 22, 2014
Thursday, October 23, 2014
Friday, October 24, 2014
9:30 AM Recent results from the AMS-02 experiment - Bruna Bertucci (Universita' e INFN di Perugia)
Recent results from the AMS-02 experiment
- Bruna Bertucci (Universita' e INFN di Perugia)
9:30 AM - 10:30 AM
Room: aula 412 The Alpha Magnetic Spectrometer is a precision particle physics detector installed on the International Space Station since May 19, 2011. More than 40 billion of cosmic ray particles have been collected in its first 30 months of operations and nearly 11 million electron and positrons have been selected among them to accurately measure their fluxes in an extended energy range. Results on the positron fraction, e+, e- and combined (e++e-) fluxes will be discussed as well as the detector performances and analysis techniques used to achieve them.
Saturday, October 25, 2014
Sunday, October 26, 2014

Monday, November 3, 2014
Tuesday, November 4, 2014
Wednesday, November 5, 2014
Thursday, November 6, 2014
Friday, November 7, 2014
Saturday, November 8, 2014
Sunday, November 9, 2014

Monday, November 10, 2014
Tuesday, November 11, 2014
Wednesday, November 12, 2014
Thursday, November 13, 2014
Friday, November 14, 2014
Saturday, November 15, 2014
Sunday, November 16, 2014

Monday, November 24, 2014
Tuesday, November 25, 2014
Wednesday, November 26, 2014
Thursday, November 27, 2014
Friday, November 28, 2014
Saturday, November 29, 2014
Sunday, November 30, 2014

Monday, December 8, 2014
Tuesday, December 9, 2014
Wednesday, December 10, 2014
Thursday, December 11, 2014
Friday, December 12, 2014
11:00 AM Polarization measurements of Lambda particles in pp collisions at 2.76 and 7 TeV in the ALICE experiment. - Liliet Calero Diaz (INFN Frascati)
Polarization measurements of Lambda particles in pp collisions at 2.76 and 7 TeV in the ALICE experiment.
- Liliet Calero Diaz (INFN Frascati)
11:00 AM - 12:00 PM
Measurements of transverse polarization of lambda hyperons produced in high energy pp collisions may help to address several open issues about lambda production and polarization mechanisms, such as the origin of spontaneous lambda polarization. Its decay into a proton and a pion in a parity violating weak decay enables the determination of the Λ hyperon polarization by measuring the angular distribution of its decay products. In order to correct for the acceptance and efficiency of the detector MC data samples were also analyzed. The corrected longitudinal and transverse polarization has been measured as function of pT and pseudorapity in minimum bias events collected by the ALICE experiment at sqrt(s) = 2.76, and 7 TeV pp collisions.
Saturday, December 13, 2014
Sunday, December 14, 2014

Monday, December 22, 2014
Tuesday, December 23, 2014
Wednesday, December 24, 2014
Thursday, December 25, 2014
Friday, December 26, 2014
Saturday, December 27, 2014
Sunday, December 28, 2014

Monday, December 29, 2014
Tuesday, December 30, 2014
Wednesday, December 31, 2014

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