Publications (18)
Single-hit resolution measurement with MEG II drift chamber prototypes
A. M. Baldini, E. Baracchini, G. Cavoto +21
Drift chambers operated with helium-based gas mixtures represent a common solution for tracking charged particles keeping the material budget in the sensitive volume to a minimum.…
A compact frozen-spin trap for the search for the electric dipole moment of the muon
A. Adelmann, A. R. Bainbridge, I. Bailey +57
The electric dipole moments~(EDM) of fundamental particles inherently violate parity~(P) and time-reversal~(T) symmetries. By virtue of the CPT theorem in quantum field theory, the…
The measuring systems of the wire tension for the MEG II Drift Chamber by means of the resonant frequency technique
A. M. Baldini, H. Benmansour, G. Cavoto +24
The ultra-low mass cylindrical drift chamber designed for the MEG II experiment is a challenging apparatus made of 1728 phi = 20 micron gold plated tungsten sense wires, 7680 phi =…
Detailed analysis of chemical corrosion of ultra-thin wires used in drift chamber detectors
A. M. Baldini, G. Cavoto, F. Cei +24
Ultra-thin metallic anodic and cathodic wires are frequently employed in low-mass gaseous detectors for precision experiments, where the amount of material crossed by charged parti…
Operation and performance of MEG II detector
MEG II Collaboration, K. Afanaciev, A. M. Baldini +82
The MEG II experiment, located at the Paul Scherrer Institut (PSI) in Switzerland, is the successor to the MEG experiment, which completed data taking in 2013. MEG II started fully…
The new drift chamber of the MEG II experiment
M. Chiappini, A. M. Baldini, G. Cavoto +15
This article presents the MEG II Cylindrical Drift CHamber (CDCH), a key detector for the phase 2 of MEG, which aims at reaching a sensitivity level of the order of $6 \times 10^{-…
A search for with the first dataset of the MEG II experiment
MEG II collaboration, K. Afanaciev, A. M. Baldini +79
The MEG II experiment, based at the Paul Scherrer Institut in Switzerland, reports the result of a search for the decay from data taken in the first physics run in…
New limit on the μ+->e+γdecay with the MEG II experiment
K. Afanaciev, A. M. Baldini, S. Ban +65
This letter reports the result of the search for the decay μ+->e+γundertaken at the Paul Scherrer Institut in Switzerland with the MEG II experiment using the data collected in t…
Nonlinear dispersion relation in anharmonic periodic mass-spring and mass-in-mass systems
R. Zivieri, F. Garescì, B. Azzerboni +2
The study of wave propagation in chains of anharmonic periodic systems is of fundamental importance to understand the response of dynamical absorbers of vibrations and acoustic met…
The Drift Chamber of the MEG II experiment
G. F. Tassielli, A. M. Baldini, G. Cavoto +19
The MEG experiment at the Paul Scherrer Institut searches for the charged-Lepton-Flavor-Violating mu+ -> e+ gamma decay. MEG has already set the world best upper limit on the branc…
The Use of O2 in Gas Mixtures for Drift Chambers
A. M. Baldini, L. Bianco, H. Benmansour +20
The use of Oxygen in gas mixtures for drift chambers is highly discouraged because Oxygen, being strongly electronegative, is generally believed to lead, even in very small quantit…
Gas Distribution and Monitoring for the Drift Chamber of the MEG-II Experiment
A. M. Baldini, E. Baracchini, G. Cavoto +22
The reconstruction of the positron trajectory in the MEG-II experiment searching for the decay uses a cylindrical drift chamber operated with a helium-isobutane g…
The design of the MEG II experiment
A. M. Baldini, E. Baracchini, C. Bemporad +72
The MEG experiment, designed to search for the mu+->e+ gamma decay at a 10^-13 sensitivity level, completed data taking in 2013. In order to increase the sensitivity reach of the e…
Performances of a new generation tracking detector: the MEG II cylindrical drfit chamber
A. M. Baldini, H. Benmansour, G. Boca +28
The cylindrical drift chamber is the most innovative part of the MEG~II detector, the upgraded version of the MEG experiment. The MEG~II chamber differs from the MEG one because it…
Commissioning of the MEG II tracker system
M. Chiappini, A. M. Baldini, G. Cavoto +19
The MEG experiment at the Paul Scherrer Institut (PSI) represents the state of the art in the search for the charged Lepton Flavour Violating (cLFV) decay…
Improved muon decay simulation with McMule and Geant4
A. Gurgone, A. Papa, P. Schwendimann +10
The physics programme of the MEG II experiment can be extended with the search for new invisible particles produced in rare muon decays. The hunt for such elusive signals requires…
Search for the X17 particle in processes with the MEG II detector
The MEG II collaboration, K. Afanaciev, A. M. Baldini +64
The observation of a resonance structure in the opening angle of the electron-positron pairs in the Li(p,\ee) Be reaction was claimed and interpreted as the production…
Search for lepton flavour violating muon decay mediated by a new light particle in the MEG experiment
A. M. Baldini, F. Berg, M. Biasotti +68
We present the first direct search for lepton flavour violating muon decay mediated by a new light particle X, . This search u…