Publications (42)
MEG Upgrade Proposal
A. M. Baldini, F. Cei, C. Cerri +65
We propose the continuation of the MEG experiment to search for the charged lepton flavour violating decay (cLFV) μ\to e γ, based on an upgrade of the experiment, which aims for…
B, D and K decays
G. Buchalla, T. K. Komatsubara, F. Muheim +124
With the advent of the LHC, we will be able to probe New Physics (NP) up to energy scales almost one order of magnitude larger than it has been possible with present accelerator fa…
Dark Matter Sensitivity of the CYGNO Detector with HFO-1234ze Enhanced Gas Mixtures
F. D. Amaro, R. Antonietti, E. Baracchini +42
The CYGNO collaboration introduces an innovative approach to direct dark matter detection, proposing a high-resolution optical Time Projection Chamber. It operates at atmospheric p…
Performance of Optically Readout GEM-based TPC with a 55Fe source
I. Abritta Costa, E. Baracchini, F. Bellini +13
Optical readout of large Time Projection Chambers (TPCs) with multiple Gas Electron Multipliers (GEMs) amplification stages has shown to provide very interesting performances for h…
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.…
He-CF4-CH4 ternary mixtures as target gas for the CYGNO directional dark matter experiment
F. D. Amaro, R. Antonietti, E. Baracchini +41
The CYGNO collaboration is advancing a high-resolution optical Time Projection Chamber (TPC) for directional dark matter searches and solar neutrino spectroscopy at LNGS. The detec…
MPGD Optical Read Out for Directional Dark Matter Search
G. Mazzitelli, E. Baracchini, G. Cavoto +6
The Time Projection method is an ideal candidate to track low energy release particles. Large volumes can be readout by means of a moderate number of channels providing a complete…
The CYGNO experiment: a gaseous TPC with optical readout for rare events searches
F. D. Amaro, R. Antonietti, E. Baracchini +39
The CYGNO collaboration is developing a novel strategy for directional Dark Matter searches based on a gaseous Time Projection Chamber (TPC). The detector is optimized for the expl…
Simulation of the CYGNO Gaseous TPC Optical Readout
F. D. Amaro, R. Antonietti, E. Baracchini +41
Gaseous Time Projection Chambers with Optical Readout are sensitive detectors suitable for 3D measurement of low-energy O(1 keV) particles and are proposed for detecting rare event…
Measurement of the radiative decay of polarized muons in the MEG experiment
MEG Collaboration, A. M. Baldini, Y. Bao +68
We studied the radiative muon decay by using for the first time an almost fully polarized muon source. We identified a large sample (~13000) of these decay…
Recoil imaging for directional detection of dark matter, neutrinos, and physics beyond the Standard Model
C. A. J. O'Hare, D. Loomba, K. Altenmüller +164
Recoil imaging entails the detection of spatially resolved ionization tracks generated by particle interactions. This is a highly sought-after capability in many classes of detecto…
The Physics of the B Factories
A. J. Bevan, B. Golob, Th. Mannel +2003
This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…
CYGNUS: Feasibility of a nuclear recoil observatory with directional sensitivity to dark matter and neutrinos
S. E. Vahsen, C. A. J. O'Hare, W. A. Lynch +16
Now that conventional weakly interacting massive particle (WIMP) dark matter searches are approaching the neutrino floor, there has been a resurgence of interest in detectors with…
First Optical Observation of Negative Ion Drift at Surface Pressure
F. D. Amaro, R. Antonietti, E. Baracchini +41
We report the first observation of Negative Ion Drift (NID) at surface pressure of mbar at Laboratori Nazionali del Gran Sasso in a He:CF:SF mixture using an op…
New limit on the lepton-flavour violating decay mu -> e gamma
MEG collaboration, J. Adam, X. Bai +64
We present a new result based on an analysis of the data collected by the MEG detector at the Paul Scherrer Institut in 2009 and 2010, in search of the lepton flavour violating dec…
A density-based clustering algorithm for the CYGNO data analysis
E. Baracchini, L. Benussi, S. Bianco +26
Time Projection Chambers (TPCs) working in combination with Gas Electron Multipliers (GEMs) produce a very sensitive detector capable of observing low energy events. This is achiev…
A limit for the mu -> e gamma decay from the MEG experiment
MEG collaboration, J. Adam, X. Bai +67
A search for the decay mu -> e gamma, performed at PSI and based on data from the initial three months of operation of the MEG experiment, yields an upper limit on the branching ra…
Upgrade of the Trigger and Data Acquisition System for Continuous Imaging and Multi-Camera Operation in CYGNO
F. D. Amaro, R. Antonietti, E. Baracchini +41
The CYGNO experiment employs an optical readout to image particle interactions in a gaseous Time Projection Chamber (TPC), combining cameras and photomultiplier tubes (PMTs) to ach…
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…
Muon polarization in the MEG experiment: predictions and measurements
A. M. Baldini, Y. Bao, E. Baracchini +67
The MEG experiment makes use of one of the world's most intense low energy muon beams, in order to search for the lepton flavour violating process $μ^{+} \rightarrow {\rm e}^{+} ΅
The MEG detector for decay search
J. Adam, X. Bai, A. M. Baldini +73
The MEG (Mu to Electron Gamma) experiment has been running at the Paul Scherrer Institut (PSI), Switzerland since 2008 to search for the decay \meg\ by using one of the most intens…
Investigating The Physics Case of Running a B-Factory at the Y(5S) Resonance
E. Baracchini, M. Bona, M. Ciuchini +6
We discuss the physics case of a high luminosity B-Factory running at the Y(5S) resonance. We show that the coherence of the B meson pairs is preserved at this resonance, and that…
Carbon nanotubes as target for directional detection of light WIMP
V. C. Antochi, E. Baracchini, G. Cavoto +6
In this paper I will briefly introduce the idea of using Carbon Nanotubes (CNT) as target for the detection of low mass WIMPs with the additional information of directionality. I w…
PTOLEMY: A Proposal for Thermal Relic Detection of Massive Neutrinos and Directional Detection of MeV Dark Matter
E. Baracchini, M. G. Betti, M. Biasotti +48
We propose to achieve the proof-of-principle of the PTOLEMY project to directly detect the Cosmic Neutrino Background (CNB). Each of the technological challenges described in [1,2]…
CYGNO: Triple-GEM Optical Readout for Directional Dark Matter Search
I. Abritta Costa, E. Baracchini, R. Bedogni +17
CYGNO is a project realising a cubic meter demonstrator to study the scalability of the performance of the optical approach for the readout of large-volume, GEM-equipped TPC. This…
CYGNO: a CYGNUs Collaboration 1 m^3 Module with Optical Readout for Directional Dark Matter Search
E. Baracchini, R. Bedogni, F. Bellini +30
The design of the project named CYGNO is presented. CYGNO is a new proposal supported by INFN, the Italian National Institute for Nuclear Physics, within CYGNUs proto-collaboration…
Charge Amplification in Low Pressure CF4:SF6:He Mixtures with a Multi-Mesh ThGEM for Directional Dark Matter Searches
F. D. Amaro, E. Baracchini, L. Benussi +46
The CYGNO collaboration is developing next generation directional Dark Matter (DM) detection experiments, using gaseous Time Projection Chambers (TPCs), as a robust method for iden…
Characterization of cutting-edge CMOS Active Pixel sensors within the CYGNO Experiment
B. D. Almeida, F. D. Amaro, R. Antonietti +43
Time Projection Chambers equipped with Gas Electron Multipliers and optical readout by scientific CMOS cameras are a promising technology for low-energy particle detection, as demo…
Characterization of field cage and cathode for low radioactivity operation with the CYGNO experiment
F. D. Amaro, R. Antonietti, E. Baracchini +48
Dark matter, which is considered to account for approximately the 27% of the Universe's energy-mass content, remains an open issue in modern particle physics along with its composi…
First evidence of luminescence in a He/CF gas mixture induced by non-ionizing electrons
E. Baracchini, L. Benussi, S. Bianco +25
Optical readout of Gas Electron Multipliers (GEM) provides very interesting performances and has been proposed for different applications in particle physics. In particular, thanks…
A 1 m Gas Time Projection Chamber with Optical Readout for Directional Dark Matter Searches: the CYGNO Experiment
E. Baracchini, R. Bedogni, F. Bellini +25
The aim of the CYGNO project is the construction and operation of a 1~m gas TPC for directional dark matter searches and coherent neutrino scattering measurements, as a prototy…
Stability and detection performance of a GEM-based Optical Readout TPC with He/CF gas mixtures
E. Baracchini, L. Benussi, S. Bianco +26
The performance and long term stability of an optically readout Time Projection Chamber with an electron amplification structure based on three Gas Electron Multipliers was studied…
CYGNO: a gaseous TPC with optical readout for dark matter directional search
E. Baracchini, L. Benussi, S. Bianco +26
The CYGNO project has the goal to use a gaseous TPC with optical readout to detect dark matter and solar neutrinos with low energy threshold and directionality. The CYGNO demonstra…
Performance of an optically read out time projection chamber with ultra-relativistic electrons
V. C. Antochi, E. Baracchini, L. Benussi +28
The Time Projection Chamber (TPC) is an ideal candidate to finely study the charged particle ionization in a gaseous medium. Large volumes TPCs can be read out with a suitable numb…
New constraint on the existence of the mu+-> e+ gamma decay
MEG Collaboration, J. Adam, X. Bai +71
The analysis of a combined data set, totaling 3.6 \times 10^14 stopped muons on target, in the search for the lepton flavour violating decay mu^+ -> e^+ gamma is presented. The dat…
Readout technologies for directional WIMP Dark Matter detection
J. B. R. Battat, I. G. Irastorza, A. Aleksandrov +90
The measurement of the direction of WIMP-induced nuclear recoils is a compelling but technologically challenging strategy to provide an unambiguous signature of the detection of Ga…
Trigger Optimization and Event Classification for Dark Matter Searches in the CYGNO Experiment Using Machine Learning
F. D. Amaro, R. Antonietti, E. Baracchini +40
The CYGNO experiment employs an optical-readout Time Projection Chamber (TPC) to search for rare low-energy interactions using finely resolved scintillation images. While the optic…
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…
Fast reconstruction-based ROI triggering via anomaly detection in the CYGNO optical TPC
F. D. Amaro, R. Antonietti, E. Baracchini +41
Optical-readout Time Projection Chambers (TPCs) produce megapixel-scale images whose fine-grained topological information is essential for rare-event searches, but whose size chall…
Enhancing the light yield of He:CF based gaseous detector
F. D. Amaro, R. Antonietti, E. Baracchini +51
The CYGNO experiment aims to build a large ( m) directional detector for rare event searches, such as nuclear recoils (NRs) induced by dark matter (DM), such a…
Negative ion Time Projection Chamber operation with SF at nearly atmospheric pressure
E. Baracchini, G. Cavoto, G. Mazzitelli +3
We present measurements of drift velocities and mobilities of some innovative negative ion gas mixtures at nearly atmospheric pressure based on SF as electronegative capture…
The CYGNO experiment, a directional detector for direct Dark Matter searches
F. D. Amaro, E. Baracchini, L. Benussi +44
The CYGNO project aims at the development of a high precision optical readout gaseous Tima Projection Chamber (TPC) for directional dark matter (DM) searches, to be hosted at Labor…