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1. Mu2e calorimeter readout system

Author

Atanov, N., Baranov, V., Baldini, L., Budagov, J., Caiulo, D., Cei, F., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., D'Errico, F., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Faetti, S., Giovannella, S., Giudici, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Lazzeri, L., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Nicolò, D., Pedreschi, E., Pezzullo, G., Polacco, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Sozzi, M., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e electromagnetic calorimeter is made of two disks of un-doped parallelepiped CsI crystals readout by SiPM. There are 674 crystals in one disk and each crystal is readout by an array of two SiPM. The readout electronics is composed of two types of modules: 1) the front-end module hosts the shaping amplifier and the high voltage linear regulator; since one front-end module is interfaced to one SiPM, a total of 2696 modules are needed for the entire calorimeter; 2) a waveform digitizer provides a further level of amplification and digitizes the SiPM signal at the sampling frequency of $200\ \text{M}\text{Hz}$ with 12-bits ADC resolution; since one board digitizes the data received from 20 SiPMs, a total of 136 boards are needed. The readout system operational conditions are hostile: ionization dose of $20\ \text{krads}$, neutron flux of $10^{12}\ \mathrm{n}(1\ \text{MeVeq})/\text{cm}^2$, magnetic field of $1\ \text{T}$ and in vacuum level of $10^{-4}\ \text{Torr}$. A description of the readout system and qualification tests is reported.

Published
2019
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2. The Mu2e calorimeter: quality assurance of production crystals and SiPMs

Author

Atanov, N., Baranov, V., Budagov, J., Caiulo, D., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e calorimeter is composed of two disks each containing 1348 pure CsI crystals, each crystal read out by two arrays of 6x6 mm2 monolithic SiPMs. The experimental requirements have been translated in a series of technical specifications for both crystals and SiPMs. Quality assurance tests, on first crystal and then SiPM production batches, confirm the performances of preproduction samples previously assembled in a calorimeter prototype and tested with an electron beam. The production yield is sufficient to allow the construction of a calorimeter of the required quality in the expected times., Comment: 2 pages, 2 figures, 14th meeting on Advanced Detectors

Published
2018
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3. Conceptual design of a Robotic Arm for the maintenance of the Read-Out Units of the Mu2e electromagnetic calorimeter

Author

Atanov, N., Baranov, V., Borrel, L., Bloise, C., Budagov, J., Ceravolo, S., Cervelli, F., Colao, F., Cordelli, M., Davydov, Y.I., Di Falco, S., Diociaiuti, E., Donati, S., D’Agliano, A., Echenard, B., Ferrari, C., Gioiosa, A., Giovannella, S., Giusti, V., Glagolev, V., Hampai, D., Happacher, F., Hitlin, D., Lin, D., Martini, M., Middleton, S., Miscetti, S., Morescalchi, L., Paesani, D., Pasciuto, D., Pedreschi, E., Porter, F., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Taffara, A., Tassielli, G.F., Tereshchenko, V., Usubov, Z., Vasilyev, I.I., Zanetti, A., and Zhu, R.Y.

Published
2023
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4. Quality Assurance on Un-Doped CsI Crystals for the Mu2e Experiment

Author

Atanov, N., Baranov, V., Budagov, J., Davydov, Yu. I., Glagolev, V., Tereshchenko, V., Usubov, Z., Cervelli, F., Di Falco, S., Donati, S., Morescalchi, L., Pedreschi, E., Pezzullo, G., Raffaelli, F., Spinella, F., Colao, F., Cordelli, M., Corradi, G., Diociaiuti, E., Donghia, R., Giovannella, S., Happacher, F., Martini, M., Miscetti, S., Ricci, M., Saputi, A., Sarra, I., Echenard, B., Hitlin, D. G., Hu, C., Miyashita, T., Porter, F., Zhang, L., Zhu, R. -Y., Grancagnolo, F., Tassielli, G., and Murat, P.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e experiment is constructing a calorimeter consisting of 1,348 undoped CsI crystals in two disks. Each crystal has a dimension of 34 x 34 x 200 mm, and is readout by a large area silicon PMT array. A series of technical specifications was defined according to physics requirements. Preproduction CsI crystals were procured from three firms: Amcrys, Saint-Gobain and Shanghai Institute of Ceramics. We report the quality assurance on crystal's scintillation properties and their radiation hardness against ionization dose and neutrons. With a fast decay time of 30 ns and a light output of more than 100 p.e./MeV measured with a bi-alkali PMT, undoped CsI crystals provide a cost-effective solution for the Mu2e experiment., Comment: 7 pages, 16 figures, published in IEEE TNS NS (2018)

Published
2018
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5. Design and status of the Mu2e crystal calorimeter

Author

Atanov, N., Baranov, V., Budagov, J., Davydov, Yu. I., Glagolev, V., Tereshchenko, V., Usubov, Z., Cervelli, F., Di Falco, S., Donati, S., Morescalchi, L., Pedreschi, E., Pezzullo, G., Raffaelli, F., Spinella, F., Colao, F., Cordelli, M., Corradi, G., Diociaiuti, E., Donghia, R., Giovannella, S., Happacher, F., Martini, M., Miscetti, S., Ricci, M., Saputi, A., Sarra, I., Echenard, B., Hitlin, D. G., Miyashita, T., Porter, F., Zhu, R. Y., Grancagnolo, F., Tassielli, G., and Murat, P.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e experiment at Fermilab searches for the charged-lepton flavour violating (CLFV) conversion of a negative muon into an electron in the field of an aluminum nucleus, with a distinctive signature of a mono-energetic electron of energy slightly below the muon rest mass (104.967 MeV). The Mu2e goal is to improve by four orders of magnitude the search sensitivity with respect to the previous experiments. Any observation of a CLFV signal will be a clear indication of new physics. The Mu2e detector is composed of a tracker, an electro- magnetic calorimeter and an external veto for cosmic rays surrounding the solenoid. The calorimeter plays an important role in providing particle identification capabilities, a fast online trigger filter, a seed for track reconstruction while working in vacuum, in the presence of 1 T axial magnetic field and in an harsh radiation environment. The calorimeter requirements are to provide a large acceptance for 100 MeV electrons and reach at these energies: (a) a time resolution better than 0.5 ns; (b) an energy resolution < 10% and (c) a position resolution of 1 cm. The calorimeter design consists of two disks, each one made of 674 undoped CsI crystals read by two large area arrays of UV-extended SiPMs. We report here the construction and test of the Module-0 prototype. The Module-0 has been exposed to an electron beam in the energy range around 100 MeV at the Beam Test Facility in Frascati. Preliminary results of timing and energy resolution at normal incidence are shown. A discussion of the technical aspects of the calorimeter engineering is also reported in this paper., Comment: 8 pages, 16 figures, submitted to IEEE

Published
2018
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6. The Mu2e Calorimeter Final Technical Design Report

Author

Atanov, N., Baranov, V., Budagov, J., Ceravolo, S., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Dane, E., Davydov, Y., Di Falco, S., Donati, S., Diociaiuti, E., Donghia, R., Echenard, B., Flood, K., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pasciuto, D., Pezzullo, G., Porter, F., Radicioni, T., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tagnani, D., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

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 technology choice between the TDR proposed solution of BaF2 crystals readout with solar blind Avalanche Photodiodes (APDs) and the backup option of CsI crystals readout with Silicon Photomultipliers (SiPM) has been completed and (ii) the channels numbering, the mechanical system and the readout electronics were substantially modified while proceeding with engineering towards the final project. This document updates the description of the calorimeter system adding the most recent engineering drawings and tecnical progresses., Comment: TDR

Published
2018

7. Expression of Interest for Evolution of the Mu2e Experiment

Author

Abusalma, F., Ambrose, D., Artikov, A., Bernstein, R., Blazey, G. C., Bloise, C., Boi, S., Bolton, T., Bono, J., Bonventre, R., Bowring, D., Brown, D., Byrum, K., Campbell, M., Caron, J. -F., Cervelli, F., Chokheli, D., Ciampa, K., Ciolini, R., Coleman, R., Cronin-Hennessy, D., Culbertson, R., Cummings, M. A., Daniel, A., Davydov, Y., Demers, S., Denisov, D., Denisov, S., Di Falco, S., Diociaiuti, E., Djilkibaev, R., Donati, S., Donghia, R., Drake, G., Dukes, E. C., Echenard, B., Edmonds, A., Ehrlich, R., Evdokimov, V., Fabbricatore, P., Ferrari, A., Frank, M., Gaponenko, A., Gatto, C., Giorgio, Z., Giovannella, S., Giusti, V., Glass, H., Glenzinski, D., Goodenough, L., Group, C., Happacher, F., Harkness-Brennan, L., Hedin, D., Heller, K., Hitlin, D., Hocker, A., Hooper, R., Horton-Smith, G., Hu, C., Hung, P. Q., Hungerford, E., Jenkins, M., Jones, M., Kargiantoulakis, M., Khaw, K. S., Kiburg, B., Kolomensky, Y., Kozminski, J., Kutschke, R., Lancaster, M., Lin, D., Logashenko, I., Lombardo, V., Luca, A., Lukicov, G., Lynch, K., Martini, M., Mazzacane, A., Miller, J., Miscetti, S., Morescalchi, L., Mott, J., Mueller, S. E., Murat, P., Nagaslaev, V., Neuffer, D., Oksuzian, Y., Pasciuto, D., Pedreschi, E., Pezzullo, G., Pla-Dalmau, A., Pollack, B., Popov, A., Popp, J., Porter, F., Prebys, E., Pronskikh, V., Pushka, D., Quirk, J., Rakness, G., Ray, R., Ricci, M., Röhrken, M., Rusu, V., Saputi, A., Sarra, I., Schmitt, M., Spinella, F., Stratakis, D., Strauss, T., Talaga, R., Tereshchenko, V., Tran, N., Tschirhart, R., Usubov, Z., Velasco, M., Wagner, R., Wang, Y., Werkema, S., Whitmore, J., Winter, P., Xia, L., Zhang, L., Zhu, R. -Y., Zutshi, V., and Zwaska, R.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

We propose an evolution of the Mu2e experiment, called Mu2e-II, that would leverage advances in detector technology and utilize the increased proton intensity provided by the Fermilab PIP-II upgrade to improve the sensitivity for neutrinoless muon-to-electron conversion by one order of magnitude beyond the Mu2e experiment, providing the deepest probe of charged lepton flavor violation in the foreseeable future. Mu2e-II will use as much of the Mu2e infrastructure as possible, providing, where required, improvements to the Mu2e apparatus to accommodate the increased beam intensity and cope with the accompanying increase in backgrounds., Comment: 17 pages, 4 figures, 1 table; Submitted to the Fermilab Physics Advisory Committee

Published
2018

8. The Mu2e undoped CsI crystal calorimeter

Author

Atanov, N., Baranov, V., Budagov, J., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors
Abstract

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, surrounding the solenoid, to veto cosmic rays. The calorimeter plays an important role to provide: a) excellent particle identification capabilities; b) a fast trigger filter; c) an easier tracker track reconstruction. Two disks, located downstream of the tracker, contain 674 pure CsI crystals each. Each crystal is read out by two arrays of UV-extended SiPMs. The choice of the crystals and SiPMs has been finalized after a thorough test campaign. A first small scale prototype consisting of 51 crystals and 102 SiPM arrays has been exposed to an electron beam at the BTF (Beam Test Facility) in Frascati. Although the readout electronics were not the final, results show that the current design is able to meet the timing and energy resolution required by the Mu2e experiment., Comment: 6 pages, 8 figures, proceedings of the "Calorimetry for the high energy frontier (CHEF17)" conference, 2-6 October 2017, Lyon, France

Published
2018
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9. Light yield and radiation hardness studies of scintillator strips with a filler

Author

Artikov, A., Baranov, V., Budagov, Yu., Bulavin, M., Chokheli, D., Davydov, Yu. I, Glagolev, V., Kharzheev, Yu., Kolomoets, V., Simonenko, A., Usubov, Z., and Vasiljev, I.

Subjects
Physics - Instrumentation and Detectors
Abstract

Detectors based on polystyrene scintillator strips with WLS fiber readout are widely used to register charged particles in many high-energy physics experiments. The fibers are placed into grooves or holes along the strip. The detection efficiency of these devices can be significantly increased by improving the optical contact between the scintillator and the fiber by adding an optical filler into the groove/hole. This work is devoted to the study of the light yield of a 5-m-long scintillator strip with a 1.2-mm-diameter Kuraray Y11(200)~MC WLS fiber inserted into the strip's co-extruded hole filled with synthetic silicon resin SKTN-MED(E). The light yield was studied using cosmic muons and a $^{60}$Co radioactive source. Radiation hardness study of viscous fillers and short strip samples were performed on the IBR-2 pulsed research reactor of fast neutrons at JINR., Comment: minor changes - authors sequence, added annotation on figure 9(b)

Published
2017
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10. Quality Assurance on a custom SiPMs array for the Mu2e experiment

Author

Atanov, N., Baranov, V., Budagov, J., Davydov, Yu. I., Glagolev, V., Tereshchenko, V., Usubov, Z., Cervelli, F., Di Falco, S., Donati, S., Morescalchi, L., Pedreschi, E., Pezzullo, G., Raffaelli, F., Spinella, F., Colao, F., Cordelli, M., Corradi, G., Diociaiuti, E., Donghia, R., Giovannella, S., Happacher, F., Martini, M., Miscetti, S., Ricci, M., Saputi, A., Sarra, I., Echenard, B., Hitlin, D. G., Miyashita, T., Porter, F., Zhu, R. Y., Grancagnolo, F., Tassielli, G., and Murat, P.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e experiment at Fermilab will search for the coherent $\mu \to e$ conversion on aluminum atoms. The detector system consists of a straw tube tracker and a crystal calorimeter. A pre-production of 150 Silicon Photomultiplier arrays for the Mu2e calorimeter has been procured. A detailed quality assur- ance has been carried out on each SiPM for the determination of its own operation voltage, gain, dark current and PDE. The measurement of the mean-time-to-failure for a small random sample of the pro-production group has been also completed as well as the determination of the dark current increase as a function of the ioninizing and non-ioninizing dose., Comment: 4 pages, 10 figures, conference proceeding for NSS-MIC 2017

Published
2017

11. Measurement of the energy and time resolution of a undoped CsI + MPPC array for the Mu2e experiment

Author

Atanova, O., Cordelli, M., Corradi, G., Colao, F., Davydov, Yu. I., Donghia, R., Di Falco, S., Giovannella, S., Happacher, F., Martini, M., Miscetti, S., Morescalchi, L., Murat, P., Pezzullo, G., Saputi, A., Sarra, I., Soleti, S. R., Tagnani, D., Tereshchenko, V., and Usubov, Z.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

This paper describes the measurements of energy and time response and resolution of a 3 x 3 array made of undoped CsI crystals coupled to large area Hamamatsu Multi Pixel Photon Counters. The measurements have been performed using the electron beam of the Beam Test Facility in Frascati (Rome, Italy) in the energy range 80-120 MeV. The measured energy resolution, estimated with the FWHM, at 100 MeV is 16.4%. This resolution is dominated by the energy leakage due to the small dimensions of the prototype. The time is reconstructed by fitting the leading edge of the digitized signals and applying a digital constant fraction discrimination technique. A time resolution of about 110 ps at 100 MeV is achieved., Comment: 10 pages, 25 figures

Published
2017
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12. The calorimeter of the Mu2e experiment at Fermilab

Author

Atanov, N., Baranov, V., Budagov, J., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Dané, E., Davydov, Yu. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Flood, K., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pezzullo, G., Porter, F., Raffaelli, F., Radicioni, T., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors
Abstract

The Mu2e experiment at Fermilab looks for Charged Lepton Flavor Violation (CLFV) improving by 4 orders of magnitude the current experimental sensitivity for the muon to electron conversion in a muonic atom. A positive signal could not be explained in the framework of the current Standard Model of particle interactions and therefore would be a clear indication of new physics. In 3 years of data taking, Mu2e is expected to observe less than one background event mimicking the electron coming from muon conversion. Achieving such a level of background suppression requires a deep knowledge of the experimental apparatus: a straw tube tracker, measuring the electron momentum and time, a cosmic ray veto system rejecting most of cosmic ray background and a pure CsI crystal calorimeter, that will measure time of flight, energy and impact position of the converted electron. The calorimeter has to operate in a harsh radiation environment, in a 10-4 Torr vacuum and inside a 1 T magnetic field. The results of the first qualification tests of the calorimeter components are reported together with the energy and time performances expected from the simulation and measured in beam tests of a small scale prototype., Comment: 11 pages, 7 figures, proceedings of 14th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD16) 3 - 6 October 2016 Siena, Italy, Journal of Instrumentation, Volume 12, January 2017 http://stacks.iop.org/1748-0221/12/i=01/a=C01061

Published
2017
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13. Design and status of the Mu2e electromagnetic calorimeter

Author

Atanov, N., Baranov, V., Budagov, J., Carosi, R., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Dane', E., Davydov, Yu. I., Di Falco, S., Donati, S., Donghia, R., Echenard, B., Flood, K., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pasciuto, D., Pezzullo, G., Porter, F., Saputi, A., Sarra, I., Soleti, S. R., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e experiment at Fermilab aims at measuring the neutrinoless conversion of a negative muon into an electron and reach a single event sensitivity of 2.5x10^{-17} after three years of data taking. The monoenergetic electron produced in the final state, is detected by a high precision tracker and a crystal calorimeter, all embedded in a large superconducting solenoid (SD) surrounded by a cosmic ray veto system. The calorimeter is complementary to the tracker, allowing an independent trigger and powerful particle identification, while seeding the track reconstruction and contributing to remove background tracks mimicking the signal. In order to match these requirements, the calorimeter should have an energy resolution of O(5)% and a time resolution better than 500 ps at 100 MeV. The baseline solution is a calorimeter composed of two disks of BaF2 crystals read by UV extended, solar blind, Avalanche Photodiode (APDs), which are under development from a JPL, Caltech, RMD consortium. In this paper, the calorimeter design, the R&D studies carried out so far and the status of engineering are described. A backup alternative setup consisting of a pure CsI crystal matrix read by UV extended Hamamatsu MPPC's is also presented., Comment: 5 pages, 6 figures

Published
2016
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14. Design, status and test of the Mu2e crystal calorimeter

Author

Atanov, N., Baranov, V., Budagov, J., Carosi, R., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Danè, E., Davydov, Y. I., Di Falco, S., Donati, S., Donghia, R., Echenard, B., Flood, K., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Piacentino, G. M., Pezzullo, G., Porter, F. C., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e experiment at Fermilab searches for the charged-lepton flavor violating neutrino-less conversion of a negative muon into an electron in the field of a aluminum nucleus. The dynamic of such a process is well modeled by a two-body decay, resulting in a monoenergetic electron with an energy slightly below the muon rest mass (104.967 MeV). The calorimeter of this experiment plays an important role to provide excellent particle identification capabilities and an online trigger filter while aiding the track reconstruction capabilities. The baseline calorimeter configuration consists of two disks each made with about 700 undoped CsI crystals read out by two large area UV-extended Silicon Photomultipliers. These crystals match the requirements for stability of response, high resolution and radiation hardness. In this paper we present the final calorimeter design.

Published
2016
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15. Mu2e Technical Design Report

Author

Bartoszek, L., Barnes, E., Miller, J. P., Mott, J., Palladino, A., Quirk, J., Roberts, B. L., Crnkovic, J., Polychronakos, V., Tishchenko, V., Yamin, P., Cheng, C. -h., Echenard, B., Flood, K., Hitlin, D. G., Kim, J. H., Miyashita, T. S., Porter, F. C., Röhrken, M., Trevor, J., Zhu, R. -Y., Heckmaier, E., Kang, T. I., Lim, G., Molzon, W., You, Z., Artikov, A. M., Budagov, J. A., Davydov, Yu. I., Glagolev, V. V., Simonenko, A. V., Usubov, Z. U., Oh, S. H., Wang, C., Ambrosio, G., Andreev, N., Arnold, D., Ball, M., Bernstein, R. H., Bianchi, A., Biery, K., Bossert, R., Bowden, M., Brandt, J., Brown, G., Brown, H., Buehler, M., Campbell, M., Cheban, S., Chen, M., Coghill, J., Coleman, R., Crowley, C., Deshpande, A., Deuerling, G., Dey, J., Dhanaraj, N., Dinnon, M., Dixon, S., Drendel, B., Eddy, N., Evans, R., Evbota, D., Fagan, J., Feher, S., Fellenz, B., Friedsam, H., Gallo, G., Gaponenko, A., Gardner, M., Gaugel, S., Genser, K., Ginther, G., Glass, H., Glenzinski, D., Hahn, D., Hansen, S., Hartsell, B., Hays, S., Hocker, J. A., Huedem, E., Huffman, D., Ibrahim, A., Johnstone, C., Kashikhin, V., Kashikhin, V. V., Kasper, P., Kiper, T., Knapp, D., Knoepfel, K., Kokoska, L., Kozlovsky, M., Krafczyk, G., Kramp, M., Krave, S., Krempetz, K., Kutschke, R. K., Kwarciany, R., Lackowski, T., Lamm, M. J., Larwill, M., Leavell, F., Leeb, D., Leveling, A., Lincoln, D., Logashenko, V., Lombardo, V., Lopes, M. L., Makulski, A., Martinez, A., McArthur, D., McConologue, F., Michelotti, L., Mokhov, N., Morgan, J., Mukherjee, A., Murat, P., Nagaslaev, V., Neuffer, D. V., Nicol, T., Niehoff, J., Nogiec, J., Olson, M., Orris, D., Ostojic, R., Page, T., Park, C., Peterson, T., Pilipenko, R., Pla-Dalmau, A., Poloubotko, V., Popovic, M., Prebys, E., Prieto, P., Pronskikh, V., Pushka, D., Rabehl, R., Ray, R. E., Rechenmacher, R., Rivera, R., Robotham, W., Rubinov, P., Rusu, V. L., Scarpine, V., Schappert, W., Schoo, D., Stefanik, A., Still, D., Tang, Z., Tanovic, N., Tartaglia, M., Tassotto, G., Tinsley, D., Tschirhart, R. S., Vogel, G., Wagner, R., Wands, R., Wang, M., Werkema, S., White Jr., H. B., Whitmore, J., Wielgos, R., Woods, R., Worel, C., Zifko, R., Ciambrone, P., Colao, F., Cordelli, M., Corradi, G., Dane, E., Giovannella, S., Happacher, F., Luca, A., Miscetti, S., Ponzio, B., Pileggi, G., Saputi, A., Sarra, I., Soleti, R. S., Stomaci, V., Martini, M., Fabbricatore, P., Farinon, S., Musenich, R., Alexander, D., Daniel, A., Empl, A., Hungerford, E. V., Lau, K., Gollin, G. D., Huang, C., Roderick, D., Trundy, B., Brown, D. Na., Ding, D., Kolomensky, Yu. G., Lee, M. J., Cascella, M., Grancagnolo, F., Ignatov, F., Innocente, A., L'Erario, A., Miccoli, A., Maffezzoli, A., Mazzotta, P., Onorato, G., Piacentino, G. M., Rella, S., Rossetti, F., Spedicato, M., Tassielli, G., Taurino, A., Zavarise, G., Hooper, R., Brown, D. No., Djilkibaev, R., Matushko, V., Ankenbrandt, C., Boi, S., Dychkant, A., Hedin, D., Hodge, Z., Khalatian, V., Majewski, R., Martin, L., Okafor, U., Pohlman, N., Riddel, R. S., Shellito, A., de Gouvea, A. L., Cervelli, F., Carosi, R., Di Falco, S., Donati, S., Lomtadze, T., Pezzullo, G., Ristori, L., Spinella, F., Jones, M., Corcoran, M. D., Orduna, J., Rivera, D., Bennett, R., Caretta, O., Davenne, T., Densham, C., Loveridge, P., Odell, J., Bomgardner, R., Dukes, E. C., Ehrlich, R., Frank, M., Goadhouse, S., Group, R., Ho, E., Ma, H., Oksuzian, Y., Purvis, J., Wu, Y., Hertzog, D. W., Kammel, P., Lynch, K. R., and Popp, J. L.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Mu2e experiment at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for this process. The experiment's sensitivity offers discovery potential over a wide array of new physics models and probes mass scales well beyond the reach of the LHC. We describe herein the preliminary design of the proposed Mu2e experiment. This document was created in partial fulfillment of the requirements necessary to obtain DOE CD-2 approval., Comment: compressed file, 888 pages, 621 figures, 126 tables; full resolution available at http://mu2e.fnal.gov; corrected typo in background summary, Table 3.4

Published
2015

16. Design and status of the Mu2e crystal calorimeter

Author

Atanov, N., Baranov, V., Bloise, C., Budagov, J., Cervelli, F., Ceravolo, S., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu.I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Ferrari, C., Giovannella, S., Glagolev, V., Grancagnolo, F., Hampai, D., Happacher, F., Hitlin, D., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pasciuto, D., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I.I., Zanetti, A., and Zhu, R.Y.

Published
2020
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17. Towards the construction of the Mu2e electromagnetic calorimeter at Fermilab

Author

Atanov, N., primary, Baranov, V., additional, Borrel, L., additional, Bloise, C., additional, Budagov, J., additional, Ceravolo, S., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Y. I., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Ferrari, C., additional, Gioiosa, A., additional, Giovannella, S., additional, Giusti, V., additional, Glagolev, V., additional, Grancagnolo, F., additional, Hampai, D., additional, Happacher, F., additional, Hitlin, D., additional, Lin, D., additional, Marini, A., additional, Martini, M., additional, Middleton, S., additional, Miscetti, S., additional, Morescalchi, L., additional, Pasciuto, D., additional, Pedreschi, E., additional, Porter, F., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Taffara, A., additional, Tassielli, G. F., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I. I., additional, Zanetti, A., additional, and Zhu, R. Y., additional

Published
2022
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18. Development and construction status of the Mu2e electromagnetic calorimeter mechanical structures

Author

Atanov, N., primary, Baranov, V., additional, Borrel, L., additional, Bloise, C., additional, Budagov, J., additional, Ceravolo, S., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Y.I., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Echenard, B., additional, Ferrari, C., additional, Gioiosa, A., additional, Giovannella, S., additional, Giusti, V., additional, Glagolev, V., additional, Grancagnolo, F., additional, Hampai, D., additional, Happacher, F., additional, Hitlin, D., additional, Lin, D., additional, Martini, M., additional, Middleton, S., additional, Miscetti, S., additional, Morescalchi, L., additional, Paesani, D., additional, Pasciuto, D., additional, Pedreschi, E., additional, Porter, F., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Taffara, A., additional, Tassielli, G.F., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I.I., additional, Zanetti, A., additional, and Zhu, R.Y., additional

Published
2022
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19. Response of LYSO:Ce scintillation crystals to low energy gamma-rays

Author

Afanaciev, K. G., Artikov, A. M., Baranov, V. Yu., Batouritski, M. A., Budagov, J. A., Davydov, Yu. I., Djilkibaev, R. M., Emeliantchik, I. F., Fedorov, A. A., Glagolev, V. V., Korzhik, M. V., Kozlov, D. Yu., Mechinsky, V. A., Simonenko, A. V., Shalyugin, A. N., Shevtsov, V. V., Tereschenko, V. V., and Usubov, Z. U.

Published
2015
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20. Development, construction and qualification tests of the Mu2e electromagnetic calorimeter mechanical structures

Author

Pasciuto, Daniele, primary, Atanov, N., additional, Baranov, V., additional, Borrel, L., additional, Bloise, C., additional, Budagov, J., additional, Ceravolo, S., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Diociaiuti, E., additional, Donati, S., additional, Echenard, B., additional, Ferrari, C., additional, Gioiosa, A., additional, Giovannella, S., additional, Giusti, V., additional, Glagolev, V., additional, Grancagnolo, F., additional, Hampai, D., additional, Happacher, F., additional, Hitlin, D., additional, Lin, D., additional, Martini, M., additional, Middleton, S., additional, Miscetti, S., additional, Morescalchi, L., additional, Paesani, D., additional, Pedreschi, E., additional, Porter, F., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Taffara, A., additional, Tereshchenko, V., additional, Usubov, Z., additional, Zanetti, A., additional, I. Davydov, Y., additional, Di Falco, S., additional, Tassielli, G. F., additional, Vasilyev, I., additional, and Zhu, R. Y., additional

Published
2022
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21. Development, construction and qualification tests of the mechanical structures of the electromagnetic calorimeter of the Mu2e experiment at Fermilab

Author

Pasciuto, Daniele, primary, Atanov, N., additional, Baranov, V., additional, Borrel, L., additional, Bloise, C., additional, Budagov, J., additional, Ceravolo, S., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Y. I., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Echenard, B., additional, Ferrari, C., additional, Gioiosa, A., additional, Giovannella, S., additional, Giusti, V., additional, Glagolev, V., additional, Grancagnolo, F., additional, Hampai, D., additional, Happacher, F., additional, Hitlin, D., additional, Lin, D., additional, Martini, M., additional, Middleton, S., additional, Miscetti, S., additional, Morescalchi, L., additional, Paesani, D., additional, Pedreschi, E., additional, Porter, F., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Taffara, A., additional, Tassielli, G. F., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I., additional, Zanetti, A., additional, and Zhu, R. Y., additional

Published
2022
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22. The Mu2e Calorimeter Final Technical Design Report

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Ceravolo, S., additional, Cervelli, F., additional, Coloa, F., additional, Cordelli, M., additional, Corradi, G., additional, Dane, E., additional, Davydov, Yu., additional, Di Falco, S., additional, Donati, S., additional, Diociaiuti, E., additional, Donghia, R., additional, Echenard, B., additional, Flood, K., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Moreschalchi, L., additional, Murat, P., additional, Pasciuto, D., additional, Pezzullo, G., additional, Porter, F., additional, Radicioni, T., additional, Raffaelli, F., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tagnani, D., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, and Zhu, R., additional

Published
2018
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23. Development, construction and tests of the Mu2e electromagnetic calorimeter mechanical structures

Author

Atanov, N., primary, Baranov, V., additional, Borrel, L., additional, Bloise, C., additional, Budagov, J., additional, Ceravolo, S., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Y.I., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Ferrari, C., additional, Gioiosa, A., additional, Giovannella, S., additional, Giusti, V., additional, Glagolev, V., additional, Grancagnolo, F., additional, Hampai, D., additional, Happacher, F., additional, Hitlin, D., additional, Lin, D., additional, Marini, A., additional, Martini, M., additional, Middleton, S., additional, Miscetti, S., additional, Morescalchi, L., additional, Pasciuto, D., additional, Pedreschi, E., additional, Porter, F., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Taffara, A., additional, Tassielli, G.F., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I.I., additional, Zanetti, A., additional, and Zhu, R.Y., additional

Published
2022
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24. Measurement of the energy and time resolution of a undoped CsI + MPPC array for the Mu2e experiment

Author

Atanova, O., primary, Cordelli, M., additional, Corradi, G., additional, Colao, F., additional, Davydov, Yu. I., additional, Donghia, R., additional, Di Falco, S., additional, Giovannella, S., additional, Happacher, F., additional, Martini, M., additional, Miscetti, S., additional, Morescalchi, L., additional, Murat, P., additional, Pezzullo, G., additional, Saputi, A., additional, Sarra, I., additional, Soleti, S. R., additional, Tagnani, D., additional, Tereshchenko, V., additional, and Usubov, Z., additional

Published
2017
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25. Final Design and Current Status of the Mu2e Crystal Calorimeter

Author

Morescalchi, Luca, primary, Atanov, N., additional, Baranov, V., additional, Budagov, J., additional, Davydov, Y. I., additional, Glagolev, V., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I., additional, Cervelli, F., additional, Di Falco, S., additional, Donati, S., additional, Ferrari, C., additional, Gioiosa, A., additional, Giusti, V., additional, Marini, A., additional, Pasciuto, D., additional, Pedreschi, E., additional, Raffaelli, F., additional, Spinella, F., additional, Taffara, A., additional, Bloise, C., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Diociaiuti, E., additional, Donghia, R., additional, Giovannella, S., additional, Hampai, D., additional, HAPPACHER, Fabio, additional, Martini, M., additional, Miscetti, S., additional, Saputi, A., additional, Paesani, D., additional, Sarra, I., additional, Echenard, B., additional, Hitlin, D., additional, Miyashita, T., additional, Porter, F., additional, Zhu, R. Y., additional, Murat, P., additional, Pezzullo, G., additional, Grancagnolo, F., additional, Tassielli, G. F., additional, and Zanetti, A., additional

Published
2021
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26. Construction status of the Mu2e crystal calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Bloise, C., additional, Budagov, J., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, M., additional, Davydov, Yu.I., additional, Falco, S. Di, additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Ferrari, C., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Hampai, D., additional, Happacher, F., additional, Hitlin, D., additional, Marini, A., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pasciuto, D., additional, Pedreschi, E., additional, Pezzullo, G., additional, Porter, F., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G.F., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I.I., additional, Zanetti, A., additional, and Zhu, R.Y., additional

Published
2020
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27. The Mu2e e.m. Calorimeter: Crystals and SiPMs Production Status

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Caiulo, D., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, M., additional, Davydov, Yu. I., additional, Falco, S. Di, additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pedreschi, E., additional, Pezzullo, G., additional, Porter, F., additional, Raffaelli, F., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I. I., additional, and Zhu, R. Y., additional

Published
2020
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28. Design, status and test of the Mu2e crystal calorimeter

Author

Atanov, N., Baranov, V., Budagov, J., Carosi, R., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Dan��, E., Davydov, Y. I., Di Falco, S., Donati, S., Donghia, R., Echenard, B., Flood, K., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Piacentino, G. M., Pezzullo, G., Porter, F. C., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Zhu, R. Y., Atanov, N., Baranov, V., Budagov, J., Carosi, R., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Dané, E., Davydov, Y. I., Falco, S. Di, Donati, S., Donghia, R., Echenard, B., Flood, K., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Piacentino, G. M., Pezzullo, G., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
History, Muon, Materials science, Physics - Instrumentation and Detectors, Calorimeter (particle physics), 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, FOS: Physical sciences, Electron, Instrumentation and Detectors (physics.ins-det), 01 natural sciences, Particle identification, Computer Science Applications, Education, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Physics and Astronomy (all), Silicon photomultiplier, 0103 physical sciences, Mu2e, High Energy Physics::Experiment, Fermilab, 010306 general physics, Radiation hardening
Abstract

The Mu2e experiment at Fermilab searches for the charged-lepton flavor violating neutrino-less conversion of a negative muon into an electron in the field of a aluminum nucleus. The dynamic of such a process is well modeled by a two-body decay, resulting in a monoenergetic electron with an energy slightly below the muon rest mass (104.967 MeV). The calorimeter of this experiment plays an important role to provide excellent particle identification capabilities and an online trigger filter while aiding the track reconstruction capabilities. The baseline calorimeter configuration consists of two disks each made with about 700 undoped CsI crystals read out by two large area UV-extended Silicon Photomultipliers. These crystals match the requirements for stability of response, high resolution and radiation hardness. In this paper we present the final calorimeter design.

Published
2017

29. The Mu2e calorimeter: Quality assurance of production crystals and SiPMs

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Caiulo, D., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Yu.I., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D.G., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pedreschi, E., additional, Pezzullo, G., additional, Porter, F., additional, Raffaelli, F., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I.I., additional, and Zhu, R.Y., additional

Published
2019
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30. Mu2e calorimeter readout system

Author

Atanov, N., primary, Baranov, V., additional, Baldini, L., additional, Budagov, J., additional, Caiulo, D., additional, Cei, F., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Yu.I., additional, D’Errico, F., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Faetti, S., additional, Giovannella, S., additional, Giudici, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D.G., additional, Lazzeri, L., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Nicolò, D., additional, Pedreschi, E., additional, Pezzullo, G., additional, Polacco, G., additional, Porter, F., additional, Raffaelli, F., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Sozzi, M., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I.I., additional, and Zhu, R.Y., additional

Published
2019
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31. Design and test of the Mu2e undoped CsI + SiPM crystal calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Caiulo, D., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, M., additional, Davydov, Yu.I., additional, Di Falco, S., additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pedreschi, E., additional, Pezzullo, G., additional, Porter, F., additional, Raffaelli, F., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, Vasilyev, I.I., additional, and Zhu, R.Y., additional

Published
2019
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33. Design and Status of the Mu2e Crystal Calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Davydov, Y. I., additional, Glagolev, V., additional, Tereshchenko, V., additional, Usubov, Z., additional, Cervelli, F., additional, Di Falco, S., additional, Donati, S., additional, Morescalchi, L., additional, Pedreschi, E., additional, Pezzullo, G., additional, Raffaelli, F., additional, Spinella, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Diociaiuti, E., additional, Donghia, R., additional, Giovannella, S., additional, Happacher, F., additional, Martini, M., additional, Miscetti, S., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Echenard, B., additional, Hitlin, D. G., additional, Miyashita, T., additional, Porter, F., additional, Zhu, R.-Y., additional, Grancagnolo, F., additional, Tassielli, G., additional, and Murat, P., additional

Published
2018
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34. The Mu2e undoped CsI crystal calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Davydov, Y.I., additional, Falco, S. Di, additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D.G., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pedreschi, E., additional, Pezzullo, G., additional, Porter, F., additional, Raffaelli, F., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, and Zhu, R.Y., additional

Published
2018
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35. Quality Assurance on Undoped CsI Crystals for the Mu2e Experiment

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Davydov, Yu. I., additional, Glagolev, V., additional, Tereshchenko, V., additional, Usubov, Z., additional, Cervelli, F., additional, Di Falco, S., additional, Donati, S., additional, Morescalchi, L., additional, Pedreschi, E., additional, Pezzullo, G., additional, Raffaelli, F., additional, Spinella, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Diociaiuti, E., additional, Donghia, R., additional, Giovannella, S., additional, Happacher, F., additional, Martini, M., additional, Miscetti, S., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Echenard, B., additional, Hitlin, D. G., additional, Hu, C., additional, Miyashita, T., additional, Porter, F., additional, Zhang, L., additional, Zhu, R.-Y., additional, Grancagnolo, F., additional, Tassielli, G., additional, and Murat, P., additional

Published
2018
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36. Design, status and test of the Mu2e crystal calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Carosi, R., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Dané, E., additional, Davydov, Y. I., additional, Falco, S. Di, additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Flood, K., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D. G., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Piacentino, G. M., additional, Pezzullo, G., additional, Raffaelli, F., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, and Zhu, R. Y., additional

Published
2017
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37. Quality Assurance on a custom SiPMs array for the Mu2e experiment

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Davydov, Yu. I., additional, Glagolev, V., additional, Tereshchenko, V., additional, Usubov, Z., additional, Cervelli, F., additional, Falco, S. Di, additional, Donati, S., additional, Morescalchi, L., additional, Pedreschi, E., additional, Pezzullo, G., additional, Raffaelli, F., additional, Spinella, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Diociaiuti, E., additional, Donghia, R., additional, Giovannella, S., additional, Happacher, F., additional, Martini, M., additional, Miscetti, S., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Echenard, B., additional, Hitlin, D. G., additional, Miyashita, T., additional, Porter, F., additional, Zhu, R. Y., additional, Grancagnolo, F., additional, Tassielli, G., additional, and Murat, P., additional

Published
2017
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38. Design and status of the Mu2e Calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Davydov, Yu. I., additional, Glagolev, V., additional, Tereshchenko, V., additional, Usubov, Z., additional, Cervelli, F., additional, Falco, S. Di, additional, Donati, S., additional, Morescalchi, L., additional, Pedreschi, E., additional, Pezzullo, G., additional, Raffaelli, F., additional, Spinella, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Diociaiuti, E., additional, Donghia, R., additional, Giovannella, S., additional, Happacher, F., additional, Martini, M., additional, Miscetti, S., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Echenard, B., additional, Hitlin, D. G., additional, Miyashita, T., additional, Porter, F., additional, Zhu, R. Y., additional, Grancagnolo, F., additional, Tassielli, G., additional, and Murat, P., additional

Published
2017
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39. The calorimeter of the Mu2e experiment at Fermilab

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Dané, E., additional, Davydov, Y.I., additional, Falco, S. Di, additional, Diociaiuti, E., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Flood, K., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D.G., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pezzullo, G., additional, Porter, F., additional, Raffaelli, F., additional, Radicioni, T., additional, Ricci, M., additional, Saputi, A., additional, Sarra, I., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, and Zhu, R.Y., additional

Published
2017
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40. Design and status of the Mu2e electromagnetic calorimeter

Author

Atanov, N., primary, Baranov, V., additional, Budagov, J., additional, Carosi, R., additional, Cervelli, F., additional, Colao, F., additional, Cordelli, M., additional, Corradi, G., additional, Dané, E., additional, Davydov, Yu.I., additional, Di Falco, S., additional, Donati, S., additional, Donghia, R., additional, Echenard, B., additional, Flood, K., additional, Giovannella, S., additional, Glagolev, V., additional, Grancagnolo, F., additional, Happacher, F., additional, Hitlin, D.G., additional, Martini, M., additional, Miscetti, S., additional, Miyashita, T., additional, Morescalchi, L., additional, Murat, P., additional, Pasciuto, D., additional, Pezzullo, G., additional, Porter, F., additional, Saputi, A., additional, Sarra, I., additional, Soleti, S.R., additional, Spinella, F., additional, Tassielli, G., additional, Tereshchenko, V., additional, Usubov, Z., additional, and Zhu, R.Y., additional

Published
2016
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42. The Mu2e e.m. Calorimeter: Crystals and SiPMs Production Status

Author

S. Donati, M. Corradi, M. Ricci, T. S. Miyashita, M. Cordelli, G. Tassielli, S. Miscetti, I. I. Vasilyev, Gianantonio Pezzullo, F. Raffaelli, Luca Morescalchi, F. Happacher, E. Pedreschi, V. Glagolev, D. Caiulo, D. G. Hitlin, Z. Usubov, F. Grancagnolo, S. Giovannella, Yu.I. Davydov, F. Cervelli, F. Colao, B. Echenard, A. Saputi, E. Diociaiuti, S. Di Falco, J. Budagov, Ren-Yuan Zhu, N. Atanov, P. Murat, F. C. Porter, V. A. Baranov, F. Spinella, M. Martini, I. Sarra, R. Donghia, V. Tereshchenko, Atanov, N., Baranov, V., Budagov, J., Caiulo, D., Cervelli, F., Colao, F., Cordelli, M., Corradi, M., Davydov, Y. I., Falco, S. D., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., and Zhu, R. Y.

Subjects
Physics, Nuclear and High Energy Physics, Muon, Calorimeter (particle physics), Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Detector, Calorimetry, 01 natural sciences, Particle identification, Nuclear physics, Mu2e, Silicon photomultiplier, Nuclear Energy and Engineering, 0103 physical sciences, pure CsI crystals, silicon photomultipliers (SiPMs), High Energy Physics::Experiment, Fermilab, pure CsI crystal, Electrical and Electronic Engineering, Lepton
Abstract

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 [1] , [2] . The Mu2e detector is comprised of a tracker, an electromagnetic calorimeter, and an external veto for cosmic rays. The calorimeter plays an important role in providing excellent particle identification capabilities, a fast and online trigger filter while aiding the track reconstruction capabilities. The calorimeter requirements are to provide a large acceptance for 100-MeV electrons and reach: 1) a time resolution better than 0.5 ns at 100 MeV; 2) an energy resolution O(10%) at 100 MeV; and 3) a position resolution of about 1 cm. The calorimeter consists of two disks, each one made of 674 pure CsI crystals readout by two large-area $2 \times 3$ array of UV-extended silicon photomultipliers (Mu2e SiPMs) of $6\,\,\times6$ mm2 dimensions. A large-scale prototype has been constructed with 51 preproduction crystals readout by 102 Mu2e SiPMs. It has been tested at the beam test facility in Frascati, demonstrating satisfying results compared to the Mu2e requirements. At the moment of writing, the crystals production phase is halfway through the work, while the SiPM production has been completed. An overview of the characterization tests is also reported, together with a description of the final calorimeter design.

Published
2020

43. The Mu2e calorimeter: Quality assurance of production crystals and SiPMs

Author

M. Martini, Ren-Yuan Zhu, G. Tassielli, Z. Usubov, E. Pedreschi, G. Corradi, D. G. Hitlin, D. Caiulo, V. Glagolev, F. Spinella, F. Cervelli, I. Sarra, F. Happacher, S. Miscetti, M. Cordelli, R. Donghia, V. Tereshchenko, F. Grancagnolo, N. Atanov, E. Diociaiuti, S. Donati, Gianantonio Pezzullo, I. I. Vasilyev, S. Giovannella, Yu.I. Davydov, F. Colao, B. Echenard, F. Raffaelli, A. Saputi, S. Di Falco, J. Budagov, Luca Morescalchi, M. Ricci, T. S. Miyashita, P. Murat, F. C. Porter, V. A. Baranov, Atanov, N., Baranov, V., Budagov, J., Caiulo, D., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., and Zhu, R. Y.

Subjects
Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, 030218 nuclear medicine & medical imaging, Crystal, High Energy Physics - Experiment (hep-ex), 03 medical and health sciences, 0302 clinical medicine, Silicon photomultiplier, 0103 physical sciences, Mu2e, Instrumentation, Physics, Mu2e, electromagnetic calorimeter, crystal calorimeter, Calorimeter (particle physics), 010308 nuclear & particles physics, business.industry, Instrumentation and Detectors (physics.ins-det), Technical specifications, 3. Good health, Cathode ray, Optoelectronics, business, Quality assurance
Abstract

The Mu2e calorimeter is composed of two disks each containing 1348 pure CsI crystals, each crystal read out by two arrays of 6x6 mm2 monolithic SiPMs. The experimental requirements have been translated in a series of technical specifications for both crystals and SiPMs. Quality assurance tests, on first crystal and then SiPM production batches, confirm the performances of preproduction samples previously assembled in a calorimeter prototype and tested with an electron beam. The production yield is sufficient to allow the construction of a calorimeter of the required quality in the expected times., Comment: 2 pages, 2 figures, 14th meeting on Advanced Detectors

Published
2019
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44. Design and test of the Mu2e undoped CsI + SiPM crystal calorimeter

Author

G. Tassielli, F. Grancagnolo, M. Cordelli, S. Giovannella, Ren-Yuan Zhu, Yu.I. Davydov, F. Colao, D. Caiulo, B. Echenard, I. I. Vasilyev, R. Donghia, M. Ricci, V. Tereshchenko, J. Budagov, T. S. Miyashita, S. Donati, V. Glagolev, F. Happacher, Luca Morescalchi, M. Corradi, S. Miscetti, E. Diociaiuti, Gianantonio Pezzullo, F. Spinella, E. Pedreschi, D. G. Hitlin, F. Cervelli, F. Raffaelli, N. Atanov, A. Saputi, S. Di Falco, M. Martini, Z. Usubov, P. Murat, F. C. Porter, V. A. Baranov, I. Sarra, Atanov, N., Baranov, V., Budagov, J., Caiulo, D., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., and Zhu, R. Y.

Subjects
Physics, Nuclear and High Energy Physics, Muon, Calorimeter (particle physics), Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, business.industry, SiPMs, Calorimetry, 01 natural sciences, Particle identification, Silicon photomultiplier, Optics, 0103 physical sciences, Mu2e, Cathode ray, High Energy Physics::Experiment, Test beam, Fermilab, Pure CsI crystals, 010306 general physics, business, Instrumentation
Abstract

The Mu2e experiment at Fermilab will search for the charged-lepton flavour violating neutrino-less conversion of a negative muon into an electron in the field of an aluminum nucleus. The calorimeter plays an important role in providing a fast trigger filter, excellent particle identification and a seeding for track reconstruction. Its requirements are to provide an energy (timing) resolution better than 10% (0.5 ns) and a position resolution below 1 cm, for 100 MeV electrons. The calorimeter consists of two disks, each one made of 674 un-doped CsI crystals readout by two large area arrays of 2 × 3 UV-extended SiPMs of 6 × 6 mm^2 dimensions. A large scale prototype (Module-0) has been constructed and tested with an electron beam in the energy range between 60 and 120 MeV at the BTF of Frascati National Laboratories. Results demonstrated that this calorimeter satisfies the Mu2e requirements.

Published
2019
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45. Mu2e calorimeter readout system

Author

E. Pedreschi, J. Budagov, D. G. Hitlin, G. Polacco, F. Happacher, S. Miscetti, N. Atanov, S. Donati, M. Sozzi, M. Cordelli, Luca Baldini, I. I. Vasilyev, A. Saputi, Gianantonio Pezzullo, M. Ricci, Luigi Lazzeri, Ren-Yuan Zhu, S. Faetti, S. Giudici, S. Di Falco, Z. Usubov, T. S. Miyashita, I. Sarra, Luca Morescalchi, F. Grancagnolo, F. Colao, P. Murat, F. Cervelli, R. Donghia, B. Echenard, F. Spinella, G. Corradi, F. C. Porter, Fabrizio Cei, V. Tereshchenko, Donato Nicolo, F. Raffaelli, V. A. Baranov, D. Caiulo, S. Giovannella, Yu.I. Davydov, V. Glagolev, M. Martini, G. Tassielli, Francesco D'Errico, E. Diociaiuti, Atanov, N., Baranov, V., Baldini, L., Budagov, J., Caiulo, D., Cei, F., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., D'Errico, F., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Faetti, S., Giovannella, S., Giudici, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Lazzeri, L., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Nicolò, D., Pedreschi, E., Pezzullo, G., Polacco, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Sozzi, M., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., and Zhu, R. Y.

Subjects
Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, FOS: Physical sciences, Mu2e calorimeter, 01 natural sciences, Signal, High Energy Physics - Experiment, 030218 nuclear medicine & medical imaging, High Energy Physics - Experiment (hep-ex), 03 medical and health sciences, 0302 clinical medicine, Silicon photomultiplier, 0103 physical sciences, Mu2e, Waveform, Instrumentation, Digitizer, Physics, Front-end electronics, Radiation tolerance, Calorimeter (particle physics), 010308 nuclear & particles physics, business.industry, Amplifier, Linear regulator, High voltage, Instrumentation and Detectors (physics.ins-det), Optoelectronics, business
Abstract

The Mu2e electromagnetic calorimeter is made of two disks of un-doped parallelepiped CsI crystals readout by SiPM. There are 674 crystals in one disk and each crystal is readout by an array of two SiPM. The readout electronics is composed of two types of modules: 1) the front-end module hosts the shaping amplifier and the high voltage linear regulator; since one front-end module is interfaced to one SiPM, a total of 2696 modules are needed for the entire calorimeter; 2) a waveform digitizer provides a further level of amplification and digitizes the SiPM signal at the sampling frequency of $200\ \text{M}\text{Hz}$ with 12-bits ADC resolution; since one board digitizes the data received from 20 SiPMs, a total of 136 boards are needed. The readout system operational conditions are hostile: ionization dose of $20\ \text{krads}$, neutron flux of $10^{12}\ \mathrm{n}(1\ \text{MeVeq})/\text{cm}^2$, magnetic field of $1\ \text{T}$ and in vacuum level of $10^{-4}\ \text{Torr}$. A description of the readout system and qualification tests is reported.

Published
2019
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46. Construction status of the Mu2e crystal calorimeter

Author

R. Donghia, V. Tereshchenko, D. Pasciuto, J. Budagov, M. Cordelli, S. Donati, F. Grancagnolo, I. Sarra, Claudio Ferrari, F. Spinella, Dariush Hampai, C. Bloise, E. Diociaiuti, Gianantonio Pezzullo, N. Atanov, A. Saputi, T. S. Miyashita, S. Miscetti, F. Cervelli, G. Tassielli, I. I. Vasilyev, Anna Zanetti, Z. Usubov, Ren-Yuan Zhu, E. Pedreschi, S. Di Falco, D. G. Hitlin, V. V. Glagolev, Luca Morescalchi, M. Corradi, P. Murat, M. Martini, F. C. Porter, V. A. Baranov, F. Colao, B. Echenard, S. Giovannella, Yu.I. Davydov, F. Happacher, F. Raffaelli, A. Marini, Atanov, N., Baranov, V., Bloise, C., Budagov, J., Cervelli, F., Colao, F., Cordelli, M., Corradi, M., Davydov, Y. I., Falco, S. D., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Ferrari, C., Giovannella, S., Glagolev, V., Grancagnolo, F., Hampai, D., Happacher, F., Hitlin, D., Marini, A., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pasciuto, D., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Tassielli, G. F., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., Zanetti, A., and Zhu, R. Y.

Subjects
Materials science, Muon, Calorimeter (particle physics), Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, business.industry, Detector, Cosmic ray, 01 natural sciences, Particle identification, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, 0302 clinical medicine, Optics, 0103 physical sciences, Mu2e, Cathode ray, High Energy Physics::Experiment, Fermilab, business, Instrumentation, Mathematical Physics
Abstract

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 electromagnetic calorimeter and an external veto for cosmic rays. The calorimeter plays an important role in providing excellent particle identification capabilities and a fast online trigger filter, while aiding the track reconstruction capabilities. Calorimeter requirements are to provide a large acceptance for 0∼10 MeV electrons and reach: I) a time resolution better than 0.5 ns; ii) an energy resolution better than 10%; and iii) a position resolution of 1 cm. The calorimeter consists of two disks, each one made of 674 pure CsI crystals. Each crystal is readout by two large area 2×3 arrays of UV-extended SiPMs of 6×6 mm2 dimensions. A large scale prototype (Module-0) has been tested at an electron beam. We report here the tests done to finalize the calorimeter design, the results obtained with Module-0 and the status of production. At this time, the performance characteristics of 85% of the crystals and all of the SiPMs have been measured. The calorimeter engineering drawings have been completed and the large mechanical components are under fabrication. Analog and digital electronics have been prototyped and tested with irradiation dose. Their serial production is being organized. The calorimeter assembly phase is planned for mid-2020.

Published
2020

47. Design and status of the Mu2e crystal calorimeter

Author

Claudio Ferrari, G. Tassielli, S. Ceravolo, S. Donati, Gianantonio Pezzullo, Dariush Hampai, C. Bloise, Anna Zanetti, F. Spinella, R. Donghia, G. Corradi, V. Tereshchenko, S. Giovannella, Yu.I. Davydov, M. Cordelli, D. Pasciuto, F. Cervelli, I. Sarra, F. Colao, N. Atanov, F. Grancagnolo, E. Pedreschi, B. Echenard, S. Miscetti, P. Murat, D. G. Hitlin, F. C. Porter, V. A. Baranov, T. S. Miyashita, F. Happacher, M. Martini, F. Raffaelli, Ren-Yuan Zhu, V. Glagolev, I. I. Vasilyev, Luca Morescalchi, E. Diociaiuti, A. Saputi, S. Di Falco, J. Budagov, Z. Usubov, Atanov, N., Baranov, V., Bloise, C., Budagov, J., Cervelli, F., Ceravolo, S., Colao, F., Cordelli, M., Corradi, G., Davydov, Y. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Ferrari, C., Giovannella, S., Glagolev, V., Grancagnolo, F., Hampai, D., Happacher, F., Hitlin, D., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pasciuto, D., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., Zanetti, A., and Zhu, R. Y.

Subjects
Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Orders of magnitude (temperature), SiPMs, Calorimetry, 7. Clean energy, 01 natural sciences, Particle identification, 030218 nuclear medicine & medical imaging, Mu2e, Pure CsI crystals, 03 medical and health sciences, 0302 clinical medicine, Silicon photomultiplier, Optics, 0103 physical sciences, Fermilab, Instrumentation, Pure CsI crystal, Physics, Muon, Calorimeter (particle physics), 010308 nuclear & particles physics, business.industry, Detector, High Energy Physics::Experiment, business
Abstract

The Mu2e experiment at Fermilab searches for the coherent neutrino-less muon to electron conversion in the Coulomb field of an aluminum nucleus. This charged-lepton flavor violating process is characterized by a distinctive signature of a mono-energetic electron ( ∼ 105 MeV/c) and its observation will be a clear signature of new physics beyond the Standard Model. The Mu2e goal is to improve by four orders of magnitude the search sensitivity with respect to the previous experiments. The Mu2e detector is composed of a tracker, an electromagnetic calorimeter and an external veto for cosmic rays. The calorimeter plays an important role in providing excellent particle identification capabilities, a fast online trigger filter while aiding the track reconstruction capabilities. It consists of 1348 pure CsI crystals divided in two annular disks, each one readout by two large area Silicon Photomultipliers. A large scale prototype has been tested with an electron beam , demonstrating to largely satisfy the Mu2e requirements. At the moment of writing, the crystals and SiPMs production phase is halfway through the completion. An overview of the characterization tests is reported, together with a description of the final mechanical and electronical design.

Published
2020

48. Quality Assurance on Undoped CsI Crystals for the Mu2e Experiment

Author

N. Atanov, V. Baranov, J. Budagov, D. Caiulo, F. Cervelli, F. Colao, M. Cordelli, G. Corradi, Yu. I. Davydov, S. Di Falco, E. Diociaiuti, S. Donati, R. Donghia, B. Echenard, S. Giovannella, V. Glagolev, F. Grancagnolo, F. Happacher, D. Hitlin, C. Hu, M. Martini, S. Miscetti, T. Miyashita, L. Morescalchi, P. Murat, E. Pedreschi, G. Pezzullo, F. Porter, F. Raffaelli, M. Ricci, A. Saputi, I. Sarra, F. Spinella, G. Tassielli, V. Tereshchenko, Z. Usubov, I. I. Vasilyev, L. Zhang, R. Y. Zhu, Atanov, N., Baranov, V., Budagov, J., Caiulo, D., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Yu. I., Di Falco, S., Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D., Hu, C., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., Vasilyev, I. I., Zhang, L., and Zhu, R. Y.

Subjects
Nuclear and High Energy Physics, Materials science, Physics - Instrumentation and Detectors, Silicon, Physics::Instrumentation and Detectors, Photoconductivity, Crystals, Correlation, Photoconductivity, Energy resolution, Silicon carbide, Current measurement, Radiation effects, chemistry.chemical_element, FOS: Physical sciences, Radiation effects, Silicon carbide, 01 natural sciences, Crystals, 030218 nuclear medicine & medical imaging, High Energy Physics - Experiment, Crystal, 03 medical and health sciences, High Energy Physics - Experiment (hep-ex), 0302 clinical medicine, Ionization, Condensed Matter::Superconductivity, 0103 physical sciences, Mu2e, Neutron, Electrical and Electronic Engineering, Energy resolution, Radiation hardening, Scintillation, 010308 nuclear & particles physics, business.industry, Instrumentation and Detectors (physics.ins-det), Current measurement, 3. Good health, Calorimeter, Correlation, Nuclear Energy and Engineering, chemistry, Optoelectronics, business
Abstract

The Mu2e experiment is constructing a calorimeter consisting of 1,348 undoped CsI crystals in two disks. Each crystal has a dimension of 34 x 34 x 200 mm, and is readout by a large area silicon PMT array. A series of technical specifications was defined according to physics requirements. Preproduction CsI crystals were procured from three firms: Amcrys, Saint-Gobain and Shanghai Institute of Ceramics. We report the quality assurance on crystal's scintillation properties and their radiation hardness against ionization dose and neutrons. With a fast decay time of 30 ns and a light output of more than 100 p.e./MeV measured with a bi-alkali PMT, undoped CsI crystals provide a cost-effective solution for the Mu2e experiment., Comment: 7 pages, 16 figures, published in IEEE TNS NS (2018)

Published
2018
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49. The Mu2e undoped CsI crystal calorimeter

Author

Gianantonio Pezzullo, F. Happacher, A. Saputi, M. Cordelli, G. F. Tassielli, S. Donati, E. Pedreschi, F. Colao, F. Spinella, G. Corradi, T. S. Miyashita, V. Glagolev, Luca Morescalchi, F. Grancagnolo, Marco Martini, V. Tereshchenko, D. G. Hitlin, Z. Usubov, Frank C. Porter, R. Donghia, P. Murat, Yu.I. Davydov, S. Giovannella, E. Diociaiuti, I. Sarra, Bertrand Echenard, J. Budagov, F. Cervelli, M. Ricci, S. Miscetti, V. Baranov, F. Raffaelli, Ren-Yuan Zhu, S. Di Falco, N. Atanov, Atanov, N., Baranov, V., Budagov, J., Cervelli, F., Colao, F., Cordelli, M., Corradi, G., Davydov, Y. I., Falco, S. Di, Diociaiuti, E., Donati, S., Donghia, R., Echenard, B., Giovannella, S., Glagolev, V., Grancagnolo, F., Happacher, F., Hitlin, D. G., Martini, M., Miscetti, S., Miyashita, T., Morescalchi, L., Murat, P., Pedreschi, E., Pezzullo, G., Porter, F., Raffaelli, F., Ricci, M., Saputi, A., Sarra, I., Spinella, F., Tassielli, G., Tereshchenko, V., Usubov, Z., and Zhu, R. Y.

Subjects
Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Performance of High Energy Physics Detector, FOS: Physical sciences, Solenoid, 01 natural sciences, 7. Clean energy, Particle identification, Silicon photomultiplier, Optics, 0103 physical sciences, Mu2e, Fermilab, 010306 general physics, Instrumentation, Mathematical Physics, Physics, Calorimeter, Muon, Calorimeter (particle physics), 010308 nuclear & particles physics, business.industry, Detector, Instrumentation and Detectors (physics.ins-det), High Energy Physics::Experiment, business
Abstract

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, surrounding the solenoid, to veto cosmic rays. The calorimeter plays an important role to provide: a) excellent particle identification capabilities; b) a fast trigger filter; c) an easier tracker track reconstruction. Two disks, located downstream of the tracker, contain 674 pure CsI crystals each. Each crystal is read out by two arrays of UV-extended SiPMs. The choice of the crystals and SiPMs has been finalized after a thorough test campaign. A first small scale prototype consisting of 51 crystals and 102 SiPM arrays has been exposed to an electron beam at the BTF (Beam Test Facility) in Frascati. Although the readout electronics were not the final, results show that the current design is able to meet the timing and energy resolution required by the Mu2e experiment., Comment: 6 pages, 8 figures, proceedings of the "Calorimetry for the high energy frontier (CHEF17)" conference, 2-6 October 2017, Lyon, France

Published
2018
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50. Quality Assurance on a custom SiPMs array for the Mu2e experiment

Author

Luca Morescalchi, F. Grancagnolo, V. Baranov, S. Miscetti, E. Diociaiuti, Gianantonio Pezzullo, D. G. Hitlin, Z. Usubov, F. Raffaelli, Frank C. Porter, F. Cervelli, F. Colao, G. Corradi, T. S. Miyashita, J. Budagov, S. Di Falco, S. Giovannella, V. Glagolev, F. Spinella, N. Atanov, Marco Martini, A. Saputi, Bertrand Echenard, P. Murat, M. Ricci, Yu.I. Davydov, Ren-Yuan Zhu, S. Donati, V. Tereshchenko, E. Pedreschi, I. Sarra, R. Donghia, M. Cordelli, G. F. Tassielli, F. Happacher, Atanov, N., Baranov, V., Budagov, J., Davydov, Y. I., Glagolev, V., Tereshchenko, V., Usubov, Z., Cervelli, F., Falco, S. D., Donati, S., Morescalchi, L., Pedreschi, E., Pezzullo, G., Raffaelli, F., Spinella, F., Colao, F., Cordelli, M., Corradi, G., Diociaiuti, E., Donghia, R., Giovannella, S., Happacher, F., Martini, M., Miscetti, S., Ricci, M., Saputi, A., Sarra, I., Echenard, B., Hitlin, D. G., Miyashita, T., Porter, F., Zhu, R. Y., Grancagnolo, F., Tassielli, G., and Murat, P.

Subjects
Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Radiation effect, FOS: Physical sciences, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Silicon photomultiplier, Optics, Mu2e, Fermilab, Physics, business.industry, 010401 analytical chemistry, Detector, Instrumentation and Detectors (physics.ins-det), 0104 chemical sciences, Calorimeter, 010404 medicinal & biomolecular chemistry, High energy physics instrumentation, Silicon radiation detectors, Nuclear physic, High Energy Physics::Experiment, business, Quality assurance, Dark current, Voltage
Abstract

The Mu2e experiment at Fermilab will search for the coherent $\mu \to e$ conversion on aluminum atoms. The detector system consists of a straw tube tracker and a crystal calorimeter. A pre-production of 150 Silicon Photomultiplier arrays for the Mu2e calorimeter has been procured. A detailed quality assur- ance has been carried out on each SiPM for the determination of its own operation voltage, gain, dark current and PDE. The measurement of the mean-time-to-failure for a small random sample of the pro-production group has been also completed as well as the determination of the dark current increase as a function of the ioninizing and non-ioninizing dose., Comment: 4 pages, 10 figures, conference proceeding for NSS-MIC 2017

Published
2018

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