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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of MilanIT3.7k papers
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- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.4k papers
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139 papers · 1 filter
Another proof of Gell-Mann and Low's theorem
Luca Guido Molinari
The theorem by Gell-Mann and Low is a cornerstone in QFT and zero-temperature many-body theory. The standard proof is based on Dyson's time-ordered expansion of the propagator; a p…
Measurement of the B0 --> pi l nu Form-Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique
B. Aubert et al.
We report the results of a study of the exclusive charmless semileptonic decay, B --> pi l nu, undertaken with approximately 227 million BBbar pairs collected at the Upsilon(4S) re…
The hadronic models for cosmic ray physics: the FLUKA code solutions
G. Battistoni, M. V. Garzelli, E. Gadioli +11
FLUKA is a general purpose Monte Carlo transport and interaction code used for fundamental physics and for a wide range of applications. These include Cosmic Ray Physics (muons, ne…
Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha
The BABAR Collaboration, B. Aubert
We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetri…
Branching Fraction Measurements of B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma
The BABAR Collaboration, B. Aubert
We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBa…
Heavy Hadron Spectroscopy
Antonio Vairo
I review recent theoretical advances in heavy hadron spectroscopy.
Parametric optimization for an x-ray Free Electron Laser with a laser wiggler
R. Bonifacio, N. Piovella, M. M. Cola
In this paper we optimize the experimental parameters to operate a Free Electron Laser with a laser wiggler in the Angstrom region. We show that the quantum regime of the Self Ampl…
Measurement of B Decays to phi K gamma
The BABAR Collaboration, B. Aubert
We search for the decays B- -> phi K- gamma and B0bar -> phi K0bar gamma in a data sample of 228 million BBbar pairs collected at the Upsilon(4S) resonance with the BaBar detector.…
Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV
The BABAR Collaboration, B. Aubert
We report the observation of $\e^+e^-\to ϕη$ near = 10.58 GeV with 6.5 significance in the final state in a data sample of 224 collected by the…
A Monte Carlo approach to study neutron and fragment emission in heavy-ion reactions
M. V. Garzelli, P. R. Sala, F. Ballarini +7
Quantum Molecular Dynamics models (QMD) are Monte Carlo approaches targeted at the description of nucleon-ion and ion-ion collisions. We have developed a QMD code, which has been u…
Magnetically Induced Thermal Rectification
Giulio Casati, Carlos Mejia-Monasterio, Tomaz Prosen
We consider far from equilibrium heat transport in chaotic billiard chains with non-interacting charged particles in the presence of non-uniform transverse magnetic field. If half…
Extracting infrared QCD coupling from meson spectrum
M. Baldicchi, G. M. Prosperi, C. Simolo
In the framework of the Bethe-Salpeter formalism used in previous papers to evaluate the quarkonium spectrum, here we reverse the point of view to extract an ``experimental'' runni…
Optimal cloning of coherent states by linear optics
Stefano Olivares, Matteo G. A. Paris, Ulrik L. Andersen
We describe an optical scheme for optimal Gaussian n to m cloning of coherent states. The scheme, which generalizes a recently demonstrated scheme for 1 to 2 cloning, involves only…
Counting BPS Baryonic Operators in CFTs with Sasaki-Einstein duals
Agostino Butti, Davide Forcella, Alberto Zaffaroni
We study supersymmetric D3 brane configurations wrapping internal cycles of type II backgrounds AdS(5) x H for a generic Sasaki-Einstein manifold H. These configurations correspond…
The Hierarchy Principle and the Large Mass Limit of the Linear Sigma Model
Daniele Bettinelli, Ruggero Ferrari, Andrea Quadri
In perturbation theory we study the matching in four dimensions between the linear sigma model in the large mass limit and the renormalized nonlinear sigma model in the recently pr…
Analytic Results for Virtual QCD Corrections to Higgs Production and Decay
U. Aglietti, R. Bonciani, G. Degrassi +1
We consider the production of a Higgs boson via gluon-fusion and its decay into two photons. We compute the NLO virtual QCD corrections to these processes in a general framework in…
Gauge boson families in grand unified theories of fermion masses: E_6^4 x S_4
Francesco Caravaglios, Stefano Morisi
In third quantization the origin of fermion families is easy to understand: the electron field, the muon field and the tau field are identical fields in precisely the same sense as…
Dilepton production in pp and CC collisions with HADES
HADES collaboration, I. Froehlich
Dilepton production has been measured with HADES, the "High Acceptance DiElectron Spectrometer". In pp collisions at 2.2GeV kinetic beam energy, exclusive eta production and the Da…
Heavy Quarkonium Physics from Effective Field Theories
Antonio Vairo
I review recent progress in heavy quarkonium physics from an effective field theory perspective. In this unifying framework, I discuss advances in perturbative calculations for low…
Resummations in QCD: recent developments
Andrea Banfi
A short overview of recent developments on resummations in QCD is presented.
Study of Leading Hadrons in Gluon and Quark Fragmentation
The DELPHI Collaboration, J. Abdallah
The study of quark jets in e+e- reactions at LEP has demonstrated that the hadronisation process is reproduced well by the Lund string model. However, our understanding of gluon fr…
A Structure at 2175 MeV in Observed via Initial-State Radiation
The BABAR Collaboration, B. Aubert
We study the initial-state-radiation processes and using an integrated luminosity of 232 fb collected at the $Υ(4S)…
Gross Properties and Isotopic Phenomena in Spectator Fragmentation
C. Sfienti, M. De Napoli, the ALADiN2000 Collaboration
A systematic study of isotopic effects in the break-up of projectile spectators at relativistic energies has been performed with the ALADiN spectrometer at the GSI laboratory. Sear…
Electroweak corrections to the charged current Drell-Yan process
C. M. Carloni Calame, G. Montagna, O. Nicrosini +1
A concise review about the status of the calculation of radiative corrections to the Drell-Yan processes is presented. The effect of matching together exact electroweak O(alpha) co…