F. Happacher
YOU?
Author Swipe
View article: Development, production, and testing of the Mu2e Calorimeter Silicon Photomultipliers
Development, production, and testing of the Mu2e Calorimeter Silicon Photomultipliers Open
The development and production of the custom Silicon Photomultipliers (SiPMs) for the Mu2e Calorimeter (Mu2e SiPMs) was a complex endeavor, involving meticulous design, procurement, testing, and integration processes. After a thorough anal…
View article: Status of the Mu2e calorimeter readout electronics
Status of the Mu2e calorimeter readout electronics Open
The Mu2e experiment [1] at Fermilab will search for the neutrino-less coherent conversion of a muon into an electron in the field of a nucleus. Mu2e detectors comprise a straw tracker, an electromagnetic calorimeter and a veto for cosmic r…
View article: The Mu2e Calorimeter
The Mu2e Calorimeter Open
The EM CsI crystals and SiPM readout calorimeter of the Mu2e experiment is fully assembled, with all components completed and tested; the mechanical structure is fully built, with a complete integration and test of all the analog sensors a…
View article: The Mu2e crystal and SiPM calorimeter
The Mu2e crystal and SiPM calorimeter Open
The calorimeter of the Mu2e experiment is being assembled, with all production components completed and tested, apart from the digital electronics that is still underway. The mechanical structure is fully built, with a complete integration…
View article: The Mu2e Crystal and SiPM Calorimeter: Construction Status
The Mu2e Crystal and SiPM Calorimeter: Construction Status Open
The Mu2e experiment at Fermilab searches for the neutrino-less conversion of a negative muon into an electron, with a distinctive signature of a mono-energetic electron with an energy of 104.967 MeV. The calorimeter is made of two disks of…
View article: Design and construction status of the Mu2e crystal calorimeter
Design and construction status of the Mu2e crystal calorimeter Open
The Mu2e experiment at Fermilab will search for charged-lepton flavour violating neutrino-less conversion of negative muons into electrons in the coulomb field of Al nuclei. The conversion electron has a monoenergetic 104.967 MeV signature…
View article: An automated QC station for the characterization of the Mu2e Calorimeter Readout Units
An automated QC station for the characterization of the Mu2e Calorimeter Readout Units Open
The Mu2e experiment at Fermilab will search for the Standard Model forbidden conversion, within the field of a nucleus, of a negative muon into an electron. The Mu2e detector is composed of a straw tube based tracker for the precise determ…
View article: Towards the construction of the Mu2e electromagnetic calorimeter at Fermilab
Towards the construction of the Mu2e electromagnetic calorimeter at Fermilab Open
Mu2e will search for the Charge Lepton Flavor Violating (CLFV) conversion of a muon into an electron in the field of a nucleus. A clean discovery signature is provided by the mono-energetic conversion electron ( E e = 104.96 MeV). If no ev…
View article: Mu2e Crystal Calorimeter Readout Electronics: Design and Characterisation
Mu2e Crystal Calorimeter Readout Electronics: Design and Characterisation Open
The Mu2e experiment at Fermi National Accelerator Laboratory will search for the charged-lepton flavour-violating neutrinoless conversion of negative muons into electrons in the Coulomb field of an Al nucleus. The conversion electron with …
View article: The Mu2e Crystal Calorimeter: An Overview
The Mu2e Crystal Calorimeter: An Overview Open
The Mu2e experiment at Fermilab will search for the standard model-forbidden, charged lepton flavour-violating conversion of a negative muon into an electron in the field of an aluminium nucleus. The distinctive signal signature is represe…
View article: Design, assembly and operation of a Cosmic Ray Tagger based on scintillators and SiPMs
Design, assembly and operation of a Cosmic Ray Tagger based on scintillators and SiPMs Open
The Mu2e experiment at Fermilab aims to search for the SM forbidden μ− → e− conversion in Al muonic atoms. The signal signature consists of 104.96 MeV electrons, identified by a straw-tube tracker and a crystal calorimeter, made of two ann…
View article: Development, construction and qualification tests of the Mu2e electromagnetic calorimeter mechanical structures
Development, construction and qualification tests of the Mu2e electromagnetic calorimeter mechanical structures Open
The “muon-to-electron conversion” (Mu2e) experiment at Fermilab will search for the Charged Lepton Flavour Violating neutrino-less coherent conversion of a muon into an electron in the field of an aluminum nucleus. The observation of this …
View article: The Readout Electronics of the Mu2e Electromagnetic Calorimeter
The Readout Electronics of the Mu2e Electromagnetic Calorimeter Open
The Mu2e electromagnetic calorimeter has been designed to measure ~100 MeV electrons with energy resolution σE/E <10%, time resolution σt < 500ps and position resolution σx < 1cm. The detector is composed of 1348 un-doped CsI crystals coup…
View article: Development, construction and qualification tests of the mechanical structures of the electromagnetic calorimeter of the Mu2e experiment at Fermilab
Development, construction and qualification tests of the mechanical structures of the electromagnetic calorimeter of the Mu2e experiment at Fermilab Open
The “muon-to-electron conversion” (Mu2e) experiment at Fermilab will search for the Charged Lepton Flavour Violating neutrino-less coherent conversion of a muon into an electron in the field of an aluminum nucleus. The observation of this …
View article: Development, construction and tests of the Mu2e electromagnetic calorimeter mechanical structures
Development, construction and tests of the Mu2e electromagnetic calorimeter mechanical structures Open
The “muon-to-electron conversion” (Mu2e) experiment at Fermilab will search for the charged lepton flavour violating neutrino-less coherent conversion of a muon into an electron in the field of an aluminum nucleus. The observation of this …
View article: Final Design and Current Status of the Mu2e Crystal Calorimeter
Final Design and Current Status of the Mu2e Crystal Calorimeter Open
The Mu2e experiment at Fermi National Accelerator Laboratory will search for the CLFV neutrino-less conversion of a negative muon into an electron in the field of an aluminum nucleus. The Mu2e design has been studied to improve the single …
View article: Construction status of the Mu2e crystal calorimeter
Construction status of the Mu2e crystal calorimeter Open
The Mu2e experiment at Fermilab will search for the charged-lepton flavor violating neutrino-less conversion of a negative muon into an electron in the field of an aluminum nucleus. The Mu2e detector is composed of a tracker, an electromag…
View article: The Digitizer ReAdout Controller (DIRAC) of the Mu2e electromagnetic calorimeter at Fermilab
The Digitizer ReAdout Controller (DIRAC) of the Mu2e electromagnetic calorimeter at Fermilab Open
We report on the design and performance of the Digitizer ReAdout Controller (DIRAC) of the Mu2e electromagnetic calorimeter, which consists of a 670 CsI crystals matrix readout by SiPM. The 20-channels DIRAC performs 200 MHz sampling of th…
View article: Automated Test Station for the Characterization of Custom Silicon PhotoMultipliers for the Mu2e Calorimeter
Automated Test Station for the Characterization of Custom Silicon PhotoMultipliers for the Mu2e Calorimeter Open
The Mu2e electromagnetic calorimeter is composed of un-doped CsI crystals coupled to large area Silicon Photomultipliers. A modular and custom SiPM layout consisting of a 3x2 array of 6x6 mm2 UV-extended monolithic SiPMs has been developed…
View article: Electron beam test of the large area Mu2e calorimeter prototype
Electron beam test of the large area Mu2e calorimeter prototype Open
The Mu2e calorimeter consists of 1348 pure CsI crystals coupled to two large area UV-extended Silicon Photomultipliers (SiPMs) organized in two separate annular disks. An intense R&D phase has been pursued to check if this configuration sa…
View article: Production and Quality Assurance of the Mu2e Calorimeter Silicon Photomultipliers
Production and Quality Assurance of the Mu2e Calorimeter Silicon Photomultipliers Open
The Mu2e calorimeter consists of 1348 undoped CsI crystals coupled to two large area UV-extended Silicon Photomultipliers (SiPMs). A modular and custom SiPM layout, a 3×2 matrix of 6×6 mm2 monolithic SiPMs, has been developed to satisfy th…
View article: The Mu2e undoped CsI crystal calorimeter
The Mu2e undoped CsI crystal calorimeter Open
The Mu2e experiment at Fermilab will search for Charged Lepton Flavor Violating conversion of a muon to an electron in an atomic field. The Mu2e detector is composed of a tracker, an electromagnetic calorimeter and an external system, surr…
View article: The Mu2e Calorimeter Final Technical Design Report
The Mu2e Calorimeter Final Technical Design Report Open
Since the first version of the Mu2e TDR released at the beginning of 2015, the Mu2e Calorimeter system has undergone a long list of changes to arrive to its final design. These changes were primarily caused by two reasons: (i) the technolo…
View article: The Mu2e Calorimeter Final Technical Design Report
The Mu2e Calorimeter Final Technical Design Report Open
Since the first version of the Mu2e TDR released at the beginning of 2015, the Mu2e Calorimeter system has undergone a long list of changes to arrive to its final design. These changes were primarily caused by two reasons: (i) the technolo…