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1. Embedded Readout Electronics R&D for the Large PMTs in the JUNO Experiment

Author

Bellato, M., Bergnoli, A., Brugnera, A., Chen, S., Chen, Z., Clerbaux, B., Corso, F. dal, Corti, D., Dong, J., Galet, G., Garfagnini, A., Giaz, A., Gong, G., Grewing, C., Hu, J., Isocrate, R., Jiang, X., Li, F., Lippi, I., Marini, F., Ning, Z., Olshevskiyi, A. G., Pedretti, D., Petitjean, P. A., Robens, M., Shutov, V., Stahl, A., Steinmannh, J., Sun, Y., van Waasen, S., Wang, Y., Wang, Z., Wei, W., Yan, X., Yang, Y., Aiello, A., Andronico, A., Antonelli, V., Bandini, W., Brigatti, A., Barresi, A., Budano, A., Bruno, R., Cabrera, A., Cammi, A., Caruso, R., Chiesa, D., Clementi, C., Costa, S., Ding, X., Dusini, S., Fabbri, A., Fargetta, M., Fiorentini, G., Ford, R., Formozov, A., Giammarchi, M., Grassi, M., Landini, C., Lombardi, P., Lombardo, C., Malyshkin, Y., Mantovani, F., Mari, S. M., Martellini, C., Martini, A., Meroni, E., Mezzetto, M., Miramonti, L., Montini, P., Montuschi, M., Nastasi, M., Ortica, F., Paoloni, A., Parmeggiano, S., Pelliccia, N., Previtali, E., Ranucci, G., Riondino, D., Re, A. C., Ricci, B., Romani, A., Saggese, P., Salamanna, G., Sawy, F. H., Serafini, A., Settanta, G., Sirignano, C., Sisti, M., Stanco, L., Strati, V., Tuvè, C., Verde, G., and Votano, L.

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

Jiangmen Underground neutrino Observatory (JUNO) is a next generation liquid scintillator neutrino experiment under construction phase in South China. Thanks to the anti-neutrinos produced by the nearby nuclear power plants, JUNO will primarily study the neutrino mass hierarchy, one of the open key questions in neutrino physics. One key ingredient for the success of the measurement is to use high speed, high resolution sampling electronics located very close to the detector signal. Linearity in the response of the electronics in another important ingredient for the success of the experiment. During the initial design phase of the electronics, a custom design, with the Front-End and Read-Out electronics located very close to the detector analog signal has been developed and successfully tested. The present paper describes the electronics structure and the first tests performed on the prototypes. The electronics prototypes have been tested and they show good linearity response, with a maximum deviation of 1.3% over the full dynamic range (1-1000 p.e.), fulfilling the JUNO experiment requirements., Comment: 20 pages, 15 figures

Published
2020
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2. Distillation and stripping pilot plants for the JUNO neutrino detector: design, operations and reliability

Author

Lombardi, P., Montuschi, M., Formozov, A., Brigatti, A., Parmeggiano, S., Pompilio, R., Depnering, W., Franke, S., Gaigher, R., Joutsenvaara, J., Mengucci, A., Meroni, E., Steiger, H., Mantovani, F., Ranucci, G., Andronico, G., Antonelli, V., Baldoncini, M., Bellato, M., Bernieri, E., Brugnera, R., Budano, A., Buscemi, M., Bussino, S., Caruso, R., Chiesa, D., Clementi, C., Corti, D., Corso, F. Dal, Ding, X. F., Dusini, S., Fabbri, A., Fiorentini, G., Ford, R., Galet, G., Garfagnini, A., Giammarchi, M., Giaz, A., Grassi, M., Insolia, A., Isocrate, R., Lippi, I., Malyshkin, Y., Mari, S. M., Marini, F., Martellini, C., Martini, A., Mezzetto, M., Miramonti, L., Monforte, S., Montini, P., Nastasi, M., Ortica, F., Paoloni, A., Pedretti, D., Pelliccia, N., Previtali, E., Re, A. C., Ricci, B., Riondino, D., Romani, A., Saggese, P., Salamanna, G., Sawy, F. H., Settanta, G., Sisti, M., Sirignano, C., Stanco, L., Strati, V., Verde, G., and Votano, L.

Subjects
Physics - Instrumentation and Detectors
Abstract

This paper describes the design, construction principles and operations of the distillation and stripping pilot plants tested at the Daya Bay Neutrino Laboratory, with the perspective to adapt this processes, system cleanliness and leak-tightness to the final full scale plants that will be used for the purification of the liquid scintillator used in the JUNO neutrino detector. The main goal of these plants is to remove radio impurities from the liquid scintillator while increasing its optical attenuation length. Purification of liquid scintillator will be performed with a system combining alumina oxide, distillation, water extraction and steam (or N2 gas) stripping. Such a combined system will aim at obtaining a total attenuation length greater than 20 m at 430 nm, and a bulk radiopurity for 238U and 232Th in the 10-15 to 10-17 g/g range. The pilot plants commissioning and operation have also provided valuable information on the degree of reliability of their main components, which will be particularly useful for the design of the final full scale purification equipment for the JUNO liquid scintillator. This paper describe two of the five pilot plants since the Alumina Column, Fluor mixing and the Water Extraction plants are in charge of the Chinese part of the collaboration.

Published
2019
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3. Embedded readout electronics R&D for the large PMTs in the JUNO experiment

Author

Bellato, M., Bergnoli, A., Brugnera, A., Chen, S., Chen, Z., Clerbaux, B., dal Corso, F., Corti, D., Dong, J., Galet, G., Garfagnini, A., Giaz, A., Gong, G., Grewing, C., Hu, J., Isocrate, R., Jiang, X., Li, F., Lippi, I., Marini, F., Ning, Z., Olshevskiy, A., Pedretti, D., Petitjean, P.A., Robens, M., Shutov, V., Stahl, A., Steinmann, J., Sun, Y., van Waasen, S., Wang, Y., Wang, Z., Wei, W., Yan, X., Yang, Y., Aiello, A., Andronico, A., Antonelli, V., Bandini, W., Brigatti, A., Barresi, A., Budano, A., Bruno, R., Cabrera, A., Cammi, A., Caruso, R., Chiesa, D., Clementi, C., Costa, S., Ding, X., Dusini, S., Fabbri, A., Fargetta, M., Fiorentini, G., Ford, R., Formozov, A., Giammarchi, M., Grassi, M., Landini, C., Lombardi, P., Lombardo, C., Malyshkin, Y., Mantovani, F., Mari, S.M., Martellini, C., Martini, A., Meroni, E., Mezzetto, M., Miramonti, L., Montini, P., Montuschi, M., Nastasi, M., Ortica, F., Paoloni, A., Parmeggiano, S., Pelliccia, N., Previtali, E., Ranucci, G., Riondino, D., Re, A.C., Ricci, B., Romani, A., Saggese, P., Salamanna, G., Sawy, F.H., Serafini, A., Settanta, G., Sirignano, C., Sisti, M., Stanco, L., Strati, V., Tuvé, C., Verde, G., Votano, L., and Zhang, J.

Published
2021
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4. Low resource FPGA-based Time to Digital Converter

Author

Balla, A., Beretta, M., Ciambrone, P., Gatta, M., Gonnella, F., Iafolla, L., Mascolo, M., Messi, R., Moricciani, D., and Riondino, D.

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

Time to Digital Converters (TDCs) are very common devices in particles physics experiments. A lot of "off-the-shelf" TDCs can be employed but the necessity of a custom DAta acQuisition (DAQ) system makes the TDCs implemented on the Field-Programmable Gate Arrays (FPGAs) desirable. Most of the architectures developed so far are based on the tapped delay lines with precision down to 10 ps, obtained with high FPGA resources usage and non-linearity issues to be managed. Often such precision is not necessary; in this case TDC architectures with low resources occupancy are preferable allowing the implementation of data processing systems and of other utilities on the same device. In order to reconstruct gamma-gamma physics events tagged with High Energy Tagger (HET) in the KLOE-2 (K LOng Experiment 2), we need to measure the Time Of Flight (TOF) of the electrons and positrons from the KLOE-2 Interaction Point (IP) to our tagging stations (11 m apart). The required resolution must be better than the bunch spacing (2.7 ns). We have developed and implemented on a Xilinx Virtex-5 FPGA a 32 channel TDC with a precision of 255 ps and low non-linearity effects along with an embedded data acquisition systems and the interface to the online FARM of KLOE-2., Comment: I would like to withdraw this paper due to copyright problem

Published
2012
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5. FPGA-based Time to Digital Converter and Data Acquisition system for High Energy Tagger of KLOE-2 experiment

Author

Iafolla, L., Balla, A., Beretta, M., Ciambrone, P., Gatta, M., Gonnella, F., Mascolo, M., Messi, R., Moricciani, D., and Riondino, D.

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

In order to reconstruct gamma-gamma physics events tagged with High Energy Tagger (HET) in the KLOE-2 (K LOng Experiment 2), we need to measure the Time Of Flight (TOF) of the electrons and positrons from the KLOE-2 Interaction Point (IP) to our tagging stations (11 m apart). The required resolution must be better than the bunch spacing (2.7 ns). We have developed and implemented on a Xilinx Virtex-5 FPGA a Time to Digital Converter (TDC) with 625 ps resolution (LSB) along with an embedded data acquisition system and the interface to the online FARM of KLOE-2. We will describe briefly the architecture of the TDC and of the Data AcQuisition (DAQ) system. Some more details will be provided about the zero-suppression algorithm used to reduce the data throughput., Comment: Submitted to proceedings of the 12th Pisa Meeting on Advanced Detectors 2012, La Biodola, Isola d'Elba, Italy

Published
2012
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8. Embedded readout electronics R&D for the large PMTs in the JUNO experiment

Author

Bellato, M, Bergnoli, A, Brugnera, A, Chen, S, Chen, Z, Clerbaux, B, dal Corso, F, Corti, D, Dong, J, Galet, G, Garfagnini, A, Giaz, A, Gong, G, Grewing, C, Hu, J, Isocrate, R, Jiang, X, Li, F, Lippi, I, Marini, F, Ning, Z, Olshevskiy, A, Pedretti, D, Petitjean, P, Robens, M, Shutov, V, Stahl, A, Steinmann, J, Sun, Y, van Waasen, S, Wang, Y, Wang, Z, Wei, W, Yan, X, Yang, Y, Aiello, A, Andronico, A, Antonelli, V, Bandini, W, Brigatti, A, Barresi, A, Budano, A, Bruno, R, Cabrera, A, Cammi, A, Caruso, R, Chiesa, D, Clementi, C, Costa, S, Ding, X, Dusini, S, Fabbri, A, Fargetta, M, Fiorentini, G, Ford, R, Formozov, A, Giammarchi, M, Grassi, M, Landini, C, Lombardi, P, Lombardo, C, Malyshkin, Y, Mantovani, F, Mari, S, Martellini, C, Martini, A, Meroni, E, Mezzetto, M, Miramonti, L, Montini, P, Montuschi, M, Nastasi, M, Ortica, F, Paoloni, A, Parmeggiano, S, Pelliccia, N, Previtali, E, Ranucci, G, Riondino, D, Re, A, Ricci, B, Romani, A, Saggese, P, Salamanna, G, Sawy, F, Serafini, A, Settanta, G, Sirignano, C, Sisti, M, Stanco, L, Strati, V, Tuvé, C, Verde, G, Votano, L, Zhang, J, Bellato, M., Bergnoli, A., Brugnera, A., Chen, S., Chen, Z., Clerbaux, B., dal Corso, F., Corti, D., Dong, J., Galet, G., Garfagnini, A., Giaz, A., Gong, G., Grewing, C., Hu, J., Isocrate, R., Jiang, X., Li, F., Lippi, I., Marini, F., Ning, Z., Olshevskiy, A., Pedretti, D., Petitjean, P. A., Robens, M., Shutov, V., Stahl, A., Steinmann, J., Sun, Y., van Waasen, S., Wang, Y., Wang, Z., Wei, W., Yan, X., Yang, Y., Aiello, A., Andronico, A., Antonelli, V., Bandini, W., Brigatti, A., Barresi, A., Budano, A., Bruno, R., Cabrera, A., Cammi, A., Caruso, R., Chiesa, D., Clementi, C., Costa, S., Ding, X., Dusini, S., Fabbri, A., Fargetta, M., Fiorentini, G., Ford, R., Formozov, A., Giammarchi, M., Grassi, M., Landini, C., Lombardi, P., Lombardo, C., Malyshkin, Y., Mantovani, F., Mari, S. M., Martellini, C., Martini, A., Meroni, E., Mezzetto, M., Miramonti, L., Montini, P., Montuschi, M., Nastasi, M., Ortica, F., Paoloni, A., Parmeggiano, S., Pelliccia, N., Previtali, E., Ranucci, G., Riondino, D., Re, A. C., Ricci, B., Romani, A., Saggese, P., Salamanna, G., Sawy, F. H., Serafini, A., Settanta, G., Sirignano, C., Sisti, M., Stanco, L., Strati, V., Tuvé, C., Verde, G., Votano, L., Zhang, J., Bellato, M, Bergnoli, A, Brugnera, A, Chen, S, Chen, Z, Clerbaux, B, dal Corso, F, Corti, D, Dong, J, Galet, G, Garfagnini, A, Giaz, A, Gong, G, Grewing, C, Hu, J, Isocrate, R, Jiang, X, Li, F, Lippi, I, Marini, F, Ning, Z, Olshevskiy, A, Pedretti, D, Petitjean, P, Robens, M, Shutov, V, Stahl, A, Steinmann, J, Sun, Y, van Waasen, S, Wang, Y, Wang, Z, Wei, W, Yan, X, Yang, Y, Aiello, A, Andronico, A, Antonelli, V, Bandini, W, Brigatti, A, Barresi, A, Budano, A, Bruno, R, Cabrera, A, Cammi, A, Caruso, R, Chiesa, D, Clementi, C, Costa, S, Ding, X, Dusini, S, Fabbri, A, Fargetta, M, Fiorentini, G, Ford, R, Formozov, A, Giammarchi, M, Grassi, M, Landini, C, Lombardi, P, Lombardo, C, Malyshkin, Y, Mantovani, F, Mari, S, Martellini, C, Martini, A, Meroni, E, Mezzetto, M, Miramonti, L, Montini, P, Montuschi, M, Nastasi, M, Ortica, F, Paoloni, A, Parmeggiano, S, Pelliccia, N, Previtali, E, Ranucci, G, Riondino, D, Re, A, Ricci, B, Romani, A, Saggese, P, Salamanna, G, Sawy, F, Serafini, A, Settanta, G, Sirignano, C, Sisti, M, Stanco, L, Strati, V, Tuvé, C, Verde, G, Votano, L, Zhang, J, Bellato, M., Bergnoli, A., Brugnera, A., Chen, S., Chen, Z., Clerbaux, B., dal Corso, F., Corti, D., Dong, J., Galet, G., Garfagnini, A., Giaz, A., Gong, G., Grewing, C., Hu, J., Isocrate, R., Jiang, X., Li, F., Lippi, I., Marini, F., Ning, Z., Olshevskiy, A., Pedretti, D., Petitjean, P. A., Robens, M., Shutov, V., Stahl, A., Steinmann, J., Sun, Y., van Waasen, S., Wang, Y., Wang, Z., Wei, W., Yan, X., Yang, Y., Aiello, A., Andronico, A., Antonelli, V., Bandini, W., Brigatti, A., Barresi, A., Budano, A., Bruno, R., Cabrera, A., Cammi, A., Caruso, R., Chiesa, D., Clementi, C., Costa, S., Ding, X., Dusini, S., Fabbri, A., Fargetta, M., Fiorentini, G., Ford, R., Formozov, A., Giammarchi, M., Grassi, M., Landini, C., Lombardi, P., Lombardo, C., Malyshkin, Y., Mantovani, F., Mari, S. M., Martellini, C., Martini, A., Meroni, E., Mezzetto, M., Miramonti, L., Montini, P., Montuschi, M., Nastasi, M., Ortica, F., Paoloni, A., Parmeggiano, S., Pelliccia, N., Previtali, E., Ranucci, G., Riondino, D., Re, A. C., Ricci, B., Romani, A., Saggese, P., Salamanna, G., Sawy, F. H., Serafini, A., Settanta, G., Sirignano, C., Sisti, M., Stanco, L., Strati, V., Tuvé, C., Verde, G., Votano, L., and Zhang, J.

Abstract

Jiangmen Underground Neutrino Observatory (JUNO) is a next generation liquid scintillator neutrino experiment under construction phase in South China. Thanks to the anti-neutrinos produced by the nearby nuclear power plants, JUNO will be able to study the neutrino mass hierarchy, one of the open key questions in neutrino physics. One key ingredient for a successful measurement is to use high speed, high resolution sampling electronics located very close to the detector signal. Linearity in the response of the electronics is another important ingredient for the success of the experiment. During the initial design phase of the electronics, a custom design with the Front-End and Read-Out electronics located very close to the detector analog signal has been developed and successfully tested. The present paper describes the electronics structure and the first tests performed on the prototypes. The electronics prototypes have been tested and they show good linearity response, with a maximum deviation of 1.3% over the full dynamic range (1-1000 p.e.), fulfilling the JUNO experiment requirements.

Published
2021

9. FPGA Implementation of an NCO Based CDR for the JUNO Front-End Electronics

Author

Marini, F, Bellato, M, Bergnoli, A, Brugnera, R, Dal Corso, F, Corti, D, Dong, J, Garfagnini, A, Giaz, A, Gong, G, Hu, J, Isocrate, R, Jiang, X, Lippi, I, Von Sturm, K, Aiello, S, Andronico, G, Antonelli, V, Bandini, W, Basilico, D, Brigatti, A, Barresi, A, Budano, A, Bruno, R, Caccianiga, B, Cammi, A, Caruso, R, Chiesa, D, Clementi, C, Costa, S, Ding, X, Dusini, S, Fabbri, A, Fargetta, M, Ford, R, Formozov, A, Giammarchi, M, Grassi, M, Landini, C, Lombardi, P, Lombardo, C, Mantovani, F, Mari, S, Martellini, C, Martini, A, Meroni, E, Mezzetto, M, Miramonti, L, Montini, P, Montuschi, M, Nastasi, M, Ortica, F, Paoloni, A, Parmeggiano, S, Pelliccia, N, Previtali, E, Ranucci, G, Riondino, D, Re, A, Ricci, B, Romani, A, Saggese, P, Serafini, A, Sirignano, C, Sisti, M, Stanco, L, Strati, V, Torri, M, Tuve, C, Verde, G, Votano, L, Marini F., Bellato M., Bergnoli A., Brugnera R., Dal Corso F., Corti D., Dong J., Garfagnini A., Giaz A., Gong G., Hu J., Isocrate R., Jiang X., Lippi I., Von Sturm K., Aiello S., Andronico G., Antonelli V., Bandini W., Basilico D., Brigatti A., Barresi A., Budano A., Bruno R., Caccianiga B., Cammi A., Caruso R., Chiesa D., Clementi C., Costa S., Ding X., Dusini S., Fabbri A., Fargetta M., Ford R., Formozov A., Giammarchi M., Grassi M., Landini C., Lombardi P., Lombardo C., Mantovani F., Mari S. M., Martellini C., Martini A., Meroni E., Mezzetto M., Miramonti L., Montini P., Montuschi M., Nastasi M., Ortica F., Paoloni A., Parmeggiano S., Pelliccia N., Previtali E., Ranucci G., Riondino D., Re A. C., Ricci B., Romani A., Saggese P., Serafini A., Sirignano C., Sisti M., Stanco L., Strati V., Torri M., Tuve C., Verde G., Votano L., Marini, F, Bellato, M, Bergnoli, A, Brugnera, R, Dal Corso, F, Corti, D, Dong, J, Garfagnini, A, Giaz, A, Gong, G, Hu, J, Isocrate, R, Jiang, X, Lippi, I, Von Sturm, K, Aiello, S, Andronico, G, Antonelli, V, Bandini, W, Basilico, D, Brigatti, A, Barresi, A, Budano, A, Bruno, R, Caccianiga, B, Cammi, A, Caruso, R, Chiesa, D, Clementi, C, Costa, S, Ding, X, Dusini, S, Fabbri, A, Fargetta, M, Ford, R, Formozov, A, Giammarchi, M, Grassi, M, Landini, C, Lombardi, P, Lombardo, C, Mantovani, F, Mari, S, Martellini, C, Martini, A, Meroni, E, Mezzetto, M, Miramonti, L, Montini, P, Montuschi, M, Nastasi, M, Ortica, F, Paoloni, A, Parmeggiano, S, Pelliccia, N, Previtali, E, Ranucci, G, Riondino, D, Re, A, Ricci, B, Romani, A, Saggese, P, Serafini, A, Sirignano, C, Sisti, M, Stanco, L, Strati, V, Torri, M, Tuve, C, Verde, G, Votano, L, Marini F., Bellato M., Bergnoli A., Brugnera R., Dal Corso F., Corti D., Dong J., Garfagnini A., Giaz A., Gong G., Hu J., Isocrate R., Jiang X., Lippi I., Von Sturm K., Aiello S., Andronico G., Antonelli V., Bandini W., Basilico D., Brigatti A., Barresi A., Budano A., Bruno R., Caccianiga B., Cammi A., Caruso R., Chiesa D., Clementi C., Costa S., Ding X., Dusini S., Fabbri A., Fargetta M., Ford R., Formozov A., Giammarchi M., Grassi M., Landini C., Lombardi P., Lombardo C., Mantovani F., Mari S. M., Martellini C., Martini A., Meroni E., Mezzetto M., Miramonti L., Montini P., Montuschi M., Nastasi M., Ortica F., Paoloni A., Parmeggiano S., Pelliccia N., Previtali E., Ranucci G., Riondino D., Re A. C., Ricci B., Romani A., Saggese P., Serafini A., Sirignano C., Sisti M., Stanco L., Strati V., Torri M., Tuve C., Verde G., and Votano L.

Abstract

This article describes a design of an field-programmable gate array (FPGA) implementation of a clock and data recovery (CDR) system. The core will be integrated in the FPGA configuration for the front-end electronics (FEE) board of the Jiangmen underground neutrino observatory (JUNO) experiment. The front-end will be placed on the main detector, underground and underwater, making the electronics not accessible after installation. The timing and trigger system relies on a synchronous link connection over CAT5e cable (up to 100 m long) between the front-end and the back-end electronics (BEE), where a twisted-pair is dedicated to clock-forwarding. The robustness of the recovery clock system is essential for the stability of the FPGA firmware. The proposed project is intended to improve the clock recovery operation by increasing the immunity of the link to sudden electromagnetic interference (EMI). On top of this, the core allows to free a twisted-pair in the link, since the clock can be recovered from the data and there is no more need for a clock-dedicated transmission. This will optimize the link granting the possibility to implement other features. The design is based on two components: a numerically-controlled oscillator (NCO), in order to create a controlled frequency clock signal, and a digital phase detector (PD) to match the clock frequency with the data rate. NCOs are often coupled with a digital-to-analog converter (DAC) to create direct digital synthesizers (DDSs), which are able to produce analog waveforms of any desired frequency. In the presented case instead, the NCO generates a digital clock signal of an arbitrary frequency, while the PD manages this frequency by intercepting any shifting on the relative phase between the clock and the data. A phase aligner (PA) module guarantees that data are sampled in the middle of the eye pattern, which represents the optimal sampling point. The article presents an overview of the NCO-based CDR design and implementa

Published
2021

10. FPGA Implementation of an NCO Based CDR for the JUNO Front-End Electronics

Author

Marini, F., primary, Bellato, M., additional, Bergnoli, A., additional, Brugnera, R., additional, dal Corso, F., additional, Corti, D., additional, Dong, J., additional, Garfagnini, A., additional, Giaz, A., additional, Gong, G., additional, Hu, J., additional, Isocrate, R., additional, Jiang, X., additional, Lippi, I., additional, von Sturm, K., additional, Aiello, S., additional, Andronico, G., additional, Antonelli, V., additional, Bandini, W., additional, Basilico, D., additional, Brigatti, A., additional, Barresi, A., additional, Budano, A., additional, Bruno, R., additional, Caccianiga, B., additional, Cammi, A., additional, Caruso, R., additional, Chiesa, D., additional, Clementi, C., additional, Costa, S., additional, Ding, X., additional, Dusini, S., additional, Fabbri, A., additional, Fargetta, M., additional, Ford, R., additional, Formozov, A., additional, Giammarchi, M., additional, Grassi, M., additional, Landini, C., additional, Lombardi, P., additional, Lombardo, C., additional, Mantovani, F., additional, Mari, S. M., additional, Martellini, C., additional, Martini, A., additional, Meroni, E., additional, Mezzetto, M., additional, Miramonti, L., additional, Montini, P., additional, Montuschi, M., additional, Nastasi, M., additional, Ortica, F., additional, Paoloni, A., additional, Parmeggiano, S., additional, Pelliccia, N., additional, Previtali, E., additional, Ranucci, G., additional, Riondino, D., additional, Re, A. C., additional, Ricci, B., additional, Romani, A., additional, Saggese, P., additional, Serafini, A., additional, Sirignano, C., additional, Sisti, M., additional, Stanco, L., additional, Strati, V., additional, Torri, M., additional, Tuve, C., additional, Verde, G., additional, and Votano, L., additional

Published
2021
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11. Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability

Author

Lombardi, P, Montuschi, M, Formozov, A, Brigatti, A, Parmeggiano, S, Pompilio, R, Depnering, W, Franke, S, Gaigher, R, Joutsenvaara, J, Mengucci, A, Meroni, E, Steiger, H, Mantovani, F, Ranucci, G, Andronico, G, Antonelli, V, Baldoncini, M, Bellato, M, Bernier, E, Brugnera, R, Budano, A, Buscemi, M, Bussino, S, Caruso, R, Chiesa, D, Clementi, C, Corti, D, Dal Corso, F, Ding, X, Dusini, S, Fabbri, A, Fiorentini, G, Ford, R, Galet, G, Garfagnini, A, Giammarchi, M, Giaz, A, Grassi, M, Insolia, A, Isocrate, R, Lippi, I, Malyshkin, Y, Mari, S, Marini, F, Martellini, C, Martini, A, Mezzetto, M, Miramonti, L, Monforte, S, Montini, P, Nastasi, M, Ortica, F, Paoloni, A, Pedretti, D, Pelliccia, N, Previtali, E, Re, A, Ricci, B, Riondino, D, Romani, A, Saggese, P, Salamanna, G, Sawy, F, Settanta, G, Sisti, M, Sirignano, C, Stanco, L, Strati, V, Verde, G, Votano, L, Ding, XF, Mari, SM, Re, AC, Sawy, FH, Lombardi, P, Montuschi, M, Formozov, A, Brigatti, A, Parmeggiano, S, Pompilio, R, Depnering, W, Franke, S, Gaigher, R, Joutsenvaara, J, Mengucci, A, Meroni, E, Steiger, H, Mantovani, F, Ranucci, G, Andronico, G, Antonelli, V, Baldoncini, M, Bellato, M, Bernier, E, Brugnera, R, Budano, A, Buscemi, M, Bussino, S, Caruso, R, Chiesa, D, Clementi, C, Corti, D, Dal Corso, F, Ding, X, Dusini, S, Fabbri, A, Fiorentini, G, Ford, R, Galet, G, Garfagnini, A, Giammarchi, M, Giaz, A, Grassi, M, Insolia, A, Isocrate, R, Lippi, I, Malyshkin, Y, Mari, S, Marini, F, Martellini, C, Martini, A, Mezzetto, M, Miramonti, L, Monforte, S, Montini, P, Nastasi, M, Ortica, F, Paoloni, A, Pedretti, D, Pelliccia, N, Previtali, E, Re, A, Ricci, B, Riondino, D, Romani, A, Saggese, P, Salamanna, G, Sawy, F, Settanta, G, Sisti, M, Sirignano, C, Stanco, L, Strati, V, Verde, G, Votano, L, Ding, XF, Mari, SM, Re, AC, and Sawy, FH

Abstract

This paper describes the design, construction principles and operations of the distillation and stripping pilot plants tested at the Daya Bay Neutrino Laboratory, with the perspective to adapt these processes, system cleanliness and leak-tightness standards to the final full scale plants to be used for the purification of the liquid scintillator of the JUNO neutrino detector. The main goal of these plants is to remove radio impurities from the liquid scintillator while increasing its optical attenuation length. Purification of liquid scintillator will be performed with a system combining alumina oxide, distillation, water extraction and steam (or N 2 gas) stripping. Such a combined system will aim at obtaining a total attenuation length greater than 20 m @430 nm, and a bulk radiopurity for 238 U and 232 Th in the 10 −15 ÷ 10 −17 g/g range. The pilot plants commissioning and operation have also provided valuable information on the degree of reliability of their main components, which will be particularly useful for the design of the final full scale purification equipment for the JUNO liquid scintillator. This paper describes two of the five pilot plants since the Alumina Column, fluorescent material mixing and the Water Extraction plants are being developed by the Chinese part of the collaboration.

Published
2019

12. Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability

Author

Lombardi, P., primary, Montuschi, M., additional, Formozov, A., additional, Brigatti, A., additional, Parmeggiano, S., additional, Pompilio, R., additional, Depnering, W., additional, Franke, S., additional, Gaigher, R., additional, Joutsenvaara, J., additional, Mengucci, A., additional, Meroni, E., additional, Steiger, H., additional, Mantovani, F., additional, Ranucci, G., additional, Andronico, G., additional, Antonelli, V., additional, Baldoncini, M., additional, Bellato, M., additional, Bernier, E., additional, Brugnera, R., additional, Budano, A., additional, Buscemi, M., additional, Bussino, S., additional, Caruso, R., additional, Chiesa, D., additional, Clementi, C., additional, Corti, D., additional, Dal Corso, F., additional, Ding, X.F., additional, Dusini, S., additional, Fabbri, A., additional, Fiorentini, G., additional, Ford, R., additional, Galet, G., additional, Garfagnini, A., additional, Giammarchi, M., additional, Giaz, A., additional, Grassi, M., additional, Insolia, A., additional, Isocrate, R., additional, Lippi, I., additional, Malyshkin, Y., additional, Mari, S.M., additional, Marini, F., additional, Martellini, C., additional, Martini, A., additional, Mezzetto, M., additional, Miramonti, L., additional, Monforte, S., additional, Montini, P., additional, Nastasi, M., additional, Ortica, F., additional, Paoloni, A., additional, Pedretti, D., additional, Pelliccia, N., additional, Previtali, E., additional, Re, A.C., additional, Ricci, B., additional, Riondino, D., additional, Romani, A., additional, Saggese, P., additional, Salamanna, G., additional, Sawy, F.H., additional, Settanta, G., additional, Sisti, M., additional, Sirignano, C., additional, Stanco, L., additional, Strati, V., additional, Verde, G., additional, and Votano, L., additional

Published
2019
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18. Integrated readout electronics for multi anode PSPMT

Author

Fabbri, A., primary, Orsolini Cencelli, V., additional, de Notaristefani, F., additional, D'Abramo, E., additional, Moschini, G., additional, Navarria, F., additional, Pani, R., additional, Petulla, F., additional, and Riondino, D., additional

Published
2008
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20. FPGA Implementation of an NCO Based CDR for the JUNO Front-End Electronics

Author

Antonio Bergnoli, Monica Sisti, Antonio Budano, Michele Montuschi, D. Riondino, Andrey Formozov, A. Cammi, Ezio Previtali, Fabio Mantovani, Barbara Ricci, Agnese Giaz, Rossella Caruso, L. Stanco, S. Parmeggiano, Marco Danilo Claudio Torri, P. Saggese, S. Dusini, W. Bandini, Ivano Lippi, D. Corti, Andrea Fabbri, Cristina Tuve, Andrea Serafini, Cecilia Landini, Richard Ford, L. Votano, M. Mezzetto, Lino Miramonti, Massimiliano Nastasi, D. Basilico, Fausto Ortica, Marco Giammarchi, G. H. Gong, A. Brigatti, Chiara Sirignano, Alessandro Paoloni, M. Bellato, Paolo Lombardi, Xuefeng Ding, Salvatore Costa, Virginia Strati, Jianrun Hu, Xiaoshan Jiang, Andrea Barresi, Agnese Martini, G. Andronico, S. M. Mari, Roberto Isocrate, Sebastiano Aiello, Alessandra Re, Jianmeng Dong, Nicomede Pelliccia, R. Brugnera, Claudio Lombardo, B. Caccianiga, Marco Fargetta, Aldo Romani, Riccardo Bruno, Paolo Montini, Marco Grassi, Catia Clementi, Davide Chiesa, A. Garfagnini, Vito Antonelli, F. Dal Corso, Gioacchino Ranucci, Giuseppe Verde, Cristina Martellini, E. Meroni, Filippo Marini, K. von Sturm, Marini, F., Bellato, M., Bergnoli, A., Brugnera, R., Dal Corso, F., Corti, D., Dong, J., Garfagnini, A., Giaz, A., Gong, G., Hu, J., Isocrate, R., Jiang, X., Lippi, I., Von Sturm, K., Aiello, S., Andronico, G., Antonelli, V., Bandini, W., Basilico, D., Brigatti, A., Barresi, A., Budano, A., Bruno, R., Caccianiga, B., Cammi, A., Caruso, R., Chiesa, D., Clementi, C., Costa, S., Ding, X., Dusini, S., Fabbri, A., Fargetta, M., Ford, R., Formozov, A., Giammarchi, M., Grassi, M., Landini, C., Lombardi, P., Lombardo, C., Mantovani, F., Mari, S. M., Martellini, C., Martini, A., Meroni, E., Mezzetto, M., Miramonti, L., Montini, P., Montuschi, M., Nastasi, M., Ortica, F., Paoloni, A., Parmeggiano, S., Pelliccia, N., Previtali, E., Ranucci, G., Riondino, D., Re, A. C., Ricci, B., Romani, A., Saggese, P., Serafini, A., Sirignano, C., Sisti, M., Stanco, L., Strati, V., Torri, M., Tuve, C., Verde, G., Votano, L., Marini, F, Bellato, M, Bergnoli, A, Brugnera, R, Dal Corso, F, Corti, D, Dong, J, Garfagnini, A, Giaz, A, Gong, G, Hu, J, Isocrate, R, Jiang, X, Lippi, I, Von Sturm, K, Aiello, S, Andronico, G, Antonelli, V, Bandini, W, Basilico, D, Brigatti, A, Barresi, A, Budano, A, Bruno, R, Caccianiga, B, Cammi, A, Caruso, R, Chiesa, D, Clementi, C, Costa, S, Ding, X, Dusini, S, Fabbri, A, Fargetta, M, Ford, R, Formozov, A, Giammarchi, M, Grassi, M, Landini, C, Lombardi, P, Lombardo, C, Mantovani, F, Mari, S, Martellini, C, Martini, A, Meroni, E, Mezzetto, M, Miramonti, L, Montini, P, Montuschi, M, Nastasi, M, Ortica, F, Paoloni, A, Parmeggiano, S, Pelliccia, N, Previtali, E, Ranucci, G, Riondino, D, Re, A, Ricci, B, Romani, A, Saggese, P, Serafini, A, Sirignano, C, Sisti, M, Stanco, L, Strati, V, Torri, M, Tuve, C, Verde, G, and Votano, L

Subjects
Nuclear and High Energy Physics, phase aligner (PA), Clock signal, Computer science, Clock rate, CDR, Clock and data recovery (CDR), eye pattern, field-programmable gate array (FPGA), numerically-controlled oscillator (NCO), phase detector (PD), Phase detector, Digital clock, NO, PE2_2, Electrical and Electronic Engineering, Field-programmable gate array, Clock recovery, CDR ,NCO , phase detector, phase aligner , FPGA , eye pattern, FPGA, Jitter, phase aligner, business.industry, Detector, Nuclear Energy and Engineering, NCO, phase detector, business, Computer hardware
Abstract

This article describes a design of an field-programmable gate array (FPGA) implementation of a clock and data recovery (CDR) system. The core will be integrated in the FPGA configuration for the front-end electronics (FEE) board of the Jiangmen underground neutrino observatory (JUNO) experiment. The front-end will be placed on the main detector, underground and underwater, making the electronics not accessible after installation. The timing and trigger system relies on a synchronous link connection over CAT5e cable (up to 100 m long) between the front-end and the back-end electronics (BEE), where a twisted-pair is dedicated to clock-forwarding. The robustness of the recovery clock system is essential for the stability of the FPGA firmware. The proposed project is intended to improve the clock recovery operation by increasing the immunity of the link to sudden electromagnetic interference (EMI). On top of this, the core allows to free a twisted-pair in the link, since the clock can be recovered from the data and there is no more need for a clock-dedicated transmission. This will optimize the link granting the possibility to implement other features. The design is based on two components: a numerically-controlled oscillator (NCO), in order to create a controlled frequency clock signal, and a digital phase detector (PD) to match the clock frequency with the data rate. NCOs are often coupled with a digital-to-analog converter (DAC) to create direct digital synthesizers (DDSs), which are able to produce analog waveforms of any desired frequency. In the presented case instead, the NCO generates a digital clock signal of an arbitrary frequency, while the PD manages this frequency by intercepting any shifting on the relative phase between the clock and the data. A phase aligner (PA) module guarantees that data are sampled in the middle of the eye pattern, which represents the optimal sampling point. The article presents an overview of the NCO-based CDR design and implementation, together with some tests and results in order to verify the CDR reliability. Moreover, in the last section, some other possible applications of the core are illustrated.

Published
2021

21. Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability

Author

D. Corti, Andrea Fabbri, Giuseppe Verde, S. Bussino, H. Steiger, R. Pompilio, Yury Malyshkin, L. Votano, E. Bernier, Nicomede Pelliccia, R. Brugnera, Aldo Romani, A. Mengucci, Lino Miramonti, Augusto Brigatti, E. Meroni, Filippo Marini, Salvatore Monforte, Chiara Sirignano, Monica Sisti, Andrey Formozov, Gioacchino Ranucci, Marco Grassi, D. Riondino, Agnese Giaz, Davide Chiesa, A. Garfagnini, Alessandra Re, R. Gaigher, Paolo Montini, Catia Clementi, Ezio Previtali, Massimiliano Nastasi, S. Parmeggiano, Barbara Ricci, Fabio Mantovani, R. J. Ford, Marco Giammarchi, Rossella Caruso, Giuseppe Salamanna, Mario Buscemi, P. Saggese, G. Galet, Ivano Lippi, Antonio Budano, Giovanni Fiorentini, F. Dal Corso, Wilfried Depnering, Fausto Ortica, Cristina Martellini, S. Franke, Jari Joutsenvaara, Giulio Settanta, Stefano Maria Mari, Vito Antonelli, Roberto Isocrate, Virginia Strati, G. Andronico, Paolo Lombardi, Alessandro Paoloni, Agnese Martini, Fatma Sawy, Luca Stanco, M. Montuschi, D. Pedretti, Xuefeng Ding, A. Insolia, M. Mezzetto, Marica Baldoncini, M. Bellato, S. Dusini, AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Lombardi, P, Montuschi, M, Formozov, A, Brigatti, A, Parmeggiano, S, Pompilio, R, Depnering, W, Franke, S, Gaigher, R, Joutsenvaara, J, Mengucci, A, Meroni, E, Steiger, H, Mantovani, F, Ranucci, G, Andronico, G, Antonelli, V, Baldoncini, M, Bellato, M, Bernier, E, Brugnera, R, Budano, A, Buscemi, M, Bussino, S, Caruso, R, Chiesa, D, Clementi, C, Corti, D, Dal Corso, F, Ding, X, Dusini, S, Fabbri, A, Fiorentini, G, Ford, R, Galet, G, Garfagnini, A, Giammarchi, M, Giaz, A, Grassi, M, Insolia, A, Isocrate, R, Lippi, I, Malyshkin, Y, Mari, S, Marini, F, Martellini, C, Martini, A, Mezzetto, M, Miramonti, L, Monforte, S, Montini, P, Nastasi, M, Ortica, F, Paoloni, A, Pedretti, D, Pelliccia, N, Previtali, E, Re, A, Ricci, B, Riondino, D, Romani, A, Saggese, P, Salamanna, G, Sawy, F, Settanta, G, Sisti, M, Sirignano, C, Stanco, L, Strati, V, Verde, G, Votano, L, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Lombardi, P., Montuschi, M., Formozov, A., Brigatti, A., Parmeggiano, S., Pompilio, R., Depnering, W., Franke, S., Gaigher, R., Joutsenvaara, J., Mengucci, A., Meroni, E., Steiger, H., Mantovani, F., Ranucci, G., Andronico, G., Antonelli, V., Baldoncini, M., Bellato, M., Bernier, E., Brugnera, R., Budano, A., Buscemi, M., Bussino, S., Caruso, R., Chiesa, D., Clementi, C., Corti, D., Dal Corso, F., Ding, X. F., Dusini, S., Fabbri, A., Fiorentini, G., Ford, R., Galet, G., Garfagnini, A., Giammarchi, M., Giaz, A., Grassi, M., Insolia, A., Isocrate, R., Lippi, I., Malyshkin, Y., Mari, S. M., Marini, F., Martellini, C., Martini, A., Mezzetto, M., Miramonti, L., Monforte, S., Montini, P., Nastasi, M., Ortica, F., Paoloni, A., Pedretti, D., Pelliccia, N., Previtali, E., Re, A. C., Ricci, B., Riondino, D., Romani, A., Saggese, P., Salamanna, G., Sawy, F. H., Settanta, G., Sisti, M., Sirignano, C., Stanco, L., Strati, V., Verde, G., Votano, L., Lombardi P., Montuschi M., Formozov A., Brigatti A., Parmeggiano S., Pompilio R., Depnering W., Franke S., Gaigher R., Joutsenvaara J., Mengucci A., Meroni E., Steiger H., Mantovani F., Ranucci G., Andronico G., Antonelli V., Baldoncini M., Bellato M., Bernier E., Brugnera R., Budano A., Buscemi M., Bussino S., Caruso R., Chiesa D., Clementi C., Corti D., Dal Corso F., Ding X.F., Dusini S., Fabbri A., Fiorentini G., Ford R., Galet G., Garfagnini A., Giammarchi M., Giaz A., Grassi M., Insolia A., Isocrate R., Lippi I., Malyshkin Y., Mari S.M., Marini F., Martellini C., Martini A., Mezzetto M., Miramonti L., Monforte S., Montini P., Nastasi M., Ortica F., Paoloni A., Pedretti D., Pelliccia N., Previtali E., Re A.C., Ricci B., Riondino D., Romani A., Saggese P., Salamanna G., Sawy F.H., Settanta G., Sisti M., Sirignano C., Stanco L., Strati V., Verde G., and Votano L.

Subjects
Large-scale experiment, Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Liquid scintillator, Attenuation length, LAB, Large-scale experiments, Light yield, Nitrogen purging, Radiopurity, Scintillator transparency, Instrumentation, scintillation counter: liquid, Mixing (process engineering), Full scale, FOS: Physical sciences, fabrication, Scintillator, 01 natural sciences, 7. Clean energy, Stripping (fiber), law.invention, NO, law, 0103 physical sciences, thorium: admixture, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Process engineering, Distillation, background: radioactivity, Nuclear and High Energy Physic, Physics, JUNO, 010308 nuclear & particles physics, business.industry, uranium: admixture, Settore FIS/01 - Fisica Sperimentale, Instrumentation and Detectors (physics.ins-det), Neutrino detector, Neutrino, business, aluminum: oxygen
Abstract

This paper describes the design, construction principles and operations of the distillation and stripping pilot plants tested at the Daya Bay Neutrino Laboratory, with the perspective to adapt these processes, system cleanliness and leak-tightness standards to the final full scale plants to be used for the purification of the liquid scintillator of the JUNO neutrino detector. The main goal of these plants is to remove radio impurities from the liquid scintillator while increasing its optical attenuation length. Purification of liquid scintillator will be performed with a system combining alumina oxide, distillation, water extraction and steam (or N 2 gas) stripping. Such a combined system will aim at obtaining a total attenuation length greater than 20 m @430 nm, and a bulk radiopurity for 238U and 232Th in the 10−15 ÷ 10−17 g/g range. The pilot plants commissioning and operation have also provided valuable information on the degree of reliability of their main components, which will be particularly useful for the design of the final full scale purification equipment for the JUNO liquid scintillator. This paper describes two of the five pilot plants since the Alumina Column, fluorescent material mixing and the Water Extraction plants are being developed by the Chinese part of the collaboration.

Published
2019

22. Integrated readout electronics for multi anode PSPMT

Author

V. Orsolini Cencelli, F. de Notaristefani, E. D'Abramo, Roberto Pani, F. Petulla, Andrea Fabbri, Giuliano Moschini, Francesco Navarria, D. Riondino, Fabbri A., Orsolini Cencelli V., de Notaristefani F., D'Abramo E., Moschini G., Navarria F., Pani R., Petulla F., Riondino D., Fabbri, A., Orsolini Cencelli, V., DE NOTARISTEFANI, Francesco, D'Abramo, E., Moschini, G., Navarria, F., Pani, R., Petulla, F., and Riondino, D.

Subjects
Physics, business.industry, Reading (computer), Electrical engineering, Readout electronics, Converters, Anode, law.invention, Capacitor, GAMMA CAMERA, CMOS, Application-specific integrated circuit, POSITION SENSITIVE PMT, law, CRYSTAL SCINTILLATOR, business
Abstract

The use of position sensitive multianode PMTs requests the reading of a large number of channels at the same time, in order to correct the anode gain variations that are found in these devices.

Published
2009

23. Embedded readout electronics R&D for the large PMTs in the JUNO experiment

Author

Claudio Lombardo, S. Parmeggiano, Salvatore Costa, Jianrun Hu, Cristina Martellini, Nicomede Pelliccia, D. Corti, Andrea Fabbri, Xiongbo Yan, M. Mezzetto, Paolo Lombardi, Davide Chiesa, A. Garfagnini, Antonio Cammi, Roberto Isocrate, Jianmeng Dong, Anatael Cabrera, Alessandra Re, Jochen Steinmann, Z. Ning, Antonio Bergnoli, Andrea Serafini, Cecilia Landini, Augusto Brigatti, Monica Sisti, Zhang Chen, Jinnan Zhang, Fausto Ortica, S. van Waasen, Z. M. Wang, Giuseppe Verde, Giuseppe Salamanna, F. Li, Agnese Giaz, A. Brugnera, Antonio Budano, Michele Montuschi, Wenlu Wei, Song Chen, Yuman Wang, Richard Ford, M. Bellato, A. Stahl, Y. Yang, Marco Giammarchi, L. Stanco, E. Meroni, W. Bandini, Filippo Marini, P. Saggese, G. Galet, Ivano Lippi, Vitaly Shutov, Vito Antonelli, Alessandro Paoloni, D. Riondino, Barbara Clerbaux, Markus Robens, Cristina Tuve, S. Dusini, Andrey Formozov, Xuefeng Ding, G. Settanta, G. H. Gong, Fabio Mantovani, D. Pedretti, Giovanni Fiorentini, A. Barresi, Massimiliano Nastasi, Ezio Previtali, Barbara Ricci, Agnese Martini, Gioacchino Ranucci, Rossella Caruso, Yury Malyshkin, A. Aiello, A. Andronico, Pierre-Alexandre Petitjean, Chiara Sirignano, Virginia Strati, Xiaoshan Jiang, S. M. Mari, L. Votano, Lino Miramonti, Fatma Sawy, Alexander Olshevskiy, Y. J. Sun, Marco Fargetta, Aldo Romani, Riccardo Bruno, Christian Grewing, Paolo Montini, Marco Grassi, Catia Clementi, F. Dal Corso, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Bellato, M., Bergnoli, A., Brugnera, A., Chen, S., Chen, Z., Clerbaux, B., dal Corso, F., Corti, D., Dong, J., Galet, G., Garfagnini, A., Giaz, A., Gong, G., Grewing, C., Hu, J., Isocrate, R., Jiang, X., Li, F., Lippi, I., Marini, F., Ning, Z., Olshevskiy, A., Pedretti, D., Petitjean, P. A., Robens, M., Shutov, V., Stahl, A., Steinmann, J., Sun, Y., van Waasen, S., Wang, Y., Wang, Z., Wei, W., Yan, X., Yang, Y., Aiello, A., Andronico, A., Antonelli, V., Bandini, W., Brigatti, A., Barresi, A., Budano, A., Bruno, R., Cabrera, A., Cammi, A., Caruso, R., Chiesa, D., Clementi, C., Costa, S., Ding, X., Dusini, S., Fabbri, A., Fargetta, M., Fiorentini, G., Ford, R., Formozov, A., Giammarchi, M., Grassi, M., Landini, C., Lombardi, P., Lombardo, C., Malyshkin, Y., Mantovani, F., Mari, S. M., Martellini, C., Martini, A., Meroni, E., Mezzetto, M., Miramonti, L., Montini, P., Montuschi, M., Nastasi, M., Ortica, F., Paoloni, A., Parmeggiano, S., Pelliccia, N., Previtali, E., Ranucci, G., Riondino, D., Re, A. C., Ricci, B., Romani, A., Saggese, P., Salamanna, G., Sawy, F. H., Serafini, A., Settanta, G., Sirignano, C., Sisti, M., Stanco, L., Strati, V., Tuvé, C., Verde, G., Votano, L., and Zhang, J.

Subjects
Nuclear and High Energy Physics, Photomultiplier, Physics - Instrumentation and Detectors, Electronics, Large scale neutrino experiment, Physics::Instrumentation and Detectors, scintillation counter: liquid, 01 natural sciences, 7. Clean energy, NO, High Energy Physics - Experiment, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Electronics, Photomultiplier, Large scale neutrino experiment, Instrumentation, Jiangmen Underground Neutrino Observatory, Physics, JUNO, 010308 nuclear & particles physics, Dynamic range, business.industry, Detector, Electrical engineering, Linearity, Analog signal, electronics: readout, Neutrino, business, performance, electronics: design
Abstract

Jiangmen Underground neutrino Observatory (JUNO) is a next generation liquid scintillator neutrino experiment under construction phase in South China. Thanks to the anti-neutrinos produced by the nearby nuclear power plants, JUNO will primarily study the neutrino mass hierarchy, one of the open key questions in neutrino physics. One key ingredient for the success of the measurement is to use high speed, high resolution sampling electronics located very close to the detector signal. Linearity in the response of the electronics in another important ingredient for the success of the experiment. During the initial design phase of the electronics, a custom design, with the Front-End and Read-Out electronics located very close to the detector analog signal has been developed and successfully tested. The present paper describes the electronics structure and the first tests performed on the prototypes. The electronics prototypes have been tested and they show good linearity response, with a maximum deviation of 1.3% over the full dynamic range (1-1000 p.e.), fulfilling the JUNO experiment requirements., Comment: 20 pages, 15 figures

Published
2021

24. The Reorganize and Multiplex (RMU) front-end trigger optical bridge for the JUNO experiment

Author

R. Giordano, Stefano Maria Mari, Andrea Fabbri, D. Riondino, F. Di Capua, Alberto Aloisio, P. Branchini, Aloisio, A., Branchini, P., Di Capua, F., Fabbri, A., Giordano, R., Mari, S., and Riondino, D.

Subjects
Radiology, Nuclear Medicine and Imaging, Nuclear and High Energy Physics, Photomultiplier, business.industry, Computer science, Controller (computing), Detector, Latency (audio), Scintillator, Bridge (nautical), Front and back ends, business, Instrumentation, Computer hardware, Jiangmen Underground Neutrino Observatory
Abstract

The Jiangmen Underground Neutrino Observatory (JUNO) is a medium baseline reactor neutrino experiment under construction in Kaiping, Jiangmen, in Southern China. The main detector consists of a transparent sphere containing 20,000 tons of liquid scintillator, surrounded by approximately 17,000 photomultiplier tubes. The information delivered by 20 PMT stations is digitized continuously and aggregated at the RMU level. The main RMU task is to provide 20 input optical links at 0.5 Gbps and 1 optical output running at 10 Gbps. A White Rabbit controller is implemented on the the RMU in order to synchronize all links and to guarantee fixed latency traffic. In this contribution we describe the full RMU hardware and software architecture.

Published
2017

25. Logic gates and memory elements design and simulation using PMOS organic transistor

Author

P. Branchini, F. Di Capua, Alberto Aloisio, D. Riondino, Matteo Rapisarda, A. Valletta, Luigi Mariucci, A. Fabbh, Branchini, P., Fabbh, A., Riondino, D., Mariucci, L., Rapisarda, M., Valletta, A., Aloisio, A., and Di Capua, F.

Subjects
Materials science, business.industry, Transistor, Nanotechnology, Dielectric, Organic electronic, PMOS logic, law.invention, Logic port, Pentacene, chemistry.chemical_compound, Semiconductor, chemistry, law, Control and Systems Engineering, Logic gate, Optoelectronics, Fluoropolymer, Electrical and Electronic Engineering, business, Memory element, Electronic circuit
Abstract

Multi-flngered OTFTs, with staggered top-gate configuration have been fabricated on flexible polyethylene-naphtalate (PEN) substrates (100 μm thick). Inkjet printing technique has been used to setup the silver contacts, while the organic layers and the dielectric fluoropolymer have been deposited by spin-coating. The p-type polymeric semiconductor is a solution processed 6,13-bis(triisopropyl-silyletynyl) pentacene. The semiconductor layer thickness is about 30 nm, while the dielectric fluoropolymer is 400 nm thick. These transistors have been characterized and a DC, and a transient accurate models have been developed and imported in CADENCE. Finally, SPECTRE has been used to simulate model circuits based on such a device. In this work we describe the design of high frequency logic gates and preliminary flip-flops design, exploiting PMOS organic transistor and its expected performances.

Published
2017

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