publications | Luca Ghislotti

2024

Energy threshold calibration of the GAPS experiment Si(Li) tracker readout electronics

L. Ghislotti, M. Boezio , L. Fabris , P. Lazzaroni , M. Manghisoni , L. Ratti , V. Re , E. Riceputi , and G. Zampa

Il Nuovo Cimento C, Apr 2024

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GAPS (General AntiParticle Spectrometer) is a stratospheric balloon experiment designed to detect low-energy cosmic ray antinuclei ( <0.25 GeV) as an indirect signature of dark matter. The experiment exploits an innovative particle identification approach based on the formation of an excited atom and its consequent de-excitation and decay. GAPS will provide unprecedented sensitivity to cosmic antideuterons, an antiproton spectrum in a hitherto unexplored energy range and high sensitivity to cosmic antihelium. The first flight is foreseen to take place from the McMurdo Station in Antarctica during the austral summer of 2024. The instrument is currently undergoing integration and calibration in anticipation of launch. In this paper, the latest tracker electronics energy threshold calibration results will be presented.
Index Air Quality Monitoring for Light and Active Mobility

Stefano Botticini , Elisabetta Comini , Salvatore Dello Iacono , Alessandra Flammini , Luigi Gaioni , Andrea Galliani , Luca Ghislotti, Paolo Lazzaroni , Valerio Re , Emiliano Sisinni , Matteo Verzeroli , and Dario Zappa

Sensors, Jan 2024

Number: 10 Publisher: Multidisciplinary Digital Publishing Institute

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Light and active mobility, as well as multimodal mobility, could significantly contribute to decarbonization. Air quality is a key parameter to monitor the environment in terms of health and leisure benefits. In a possible scenario, wearables and recharge stations could supply information about a distributed monitoring system of air quality. The availability of low-power, smart, low-cost, compact embedded systems, such as Arduino Nicla Sense ME, based on BME688 by Bosch, Reutlingen, Germany, and powered by suitable software tools, can provide the hardware to be easily integrated into wearables as well as in solar-powered EVSE (Electric Vehicle Supply Equipment) for scooters and e-bikes. In this way, each e-vehicle, bike, or EVSE can contribute to a distributed monitoring network providing real-time information about micro-climate and pollution. This work experimentally investigates the capability of the BME688 environmental sensor to provide useful and detailed information about air quality. Initial experimental results from measurements in non-controlled and controlled environments show that BME688 is suited to detect the human-perceived air quality. CO2 readout can also be significant for other gas (e.g., CO), while IAQ (Index for Air Quality, from 0 to 500) is heavily affected by relative humidity, and its significance below 250 is quite low for an outdoor uncontrolled environment.
Low-Noise Wide Dynamic Range Charge Sensitive Amplifier in 65 nm CMOS Technology for the Second Flight of the GAPS Experiment

Luca Ghislotti, Paolo Lazzaroni , Massimo Manghisoni , and Elisa Riceputi

In 2024 19th Conference on Ph.D Research in Microelectronics and Electronics (PRIME) , Jun 2024

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This work describes a low-noise charge sensitive amplifier designed in a commercial 65nm CMOS technology for the second flight of the General AntiParticle Spectrometer balloon experiment, aimed at the indirect search of dark matter. The circuit has been developed as part of the upgrade of the chip employed in the readout of the lithium-drifted silicon detectors of the inner tracker and features dynamic signal compression to cope with the wide input dynamic range. A novel solution using dynamic threshold MOSFETs for the non-linear feedback capacitor implementation has been investigated. The paper will discuss the amplifier architecture, with a focus on the input and feedback device design and the relevant simulation results.
Empowering Smart Mobility with a Component-based Data Acquisition System for Multi-sensor Readout

Matteo Verzeroli , Andrea Galliani , Luca Ghislotti, Luigi Gaioni , Paolo Lazzaroni , and Valerio Re

In 2024 19th Conference on Ph.D Research in Microelectronics and Electronics (PRIME) , Jun 2024

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This work presents a component-based data acqui-sition system for reading multi-sensor modules in the context of active mobility and light vehicles. Leveraging technologies coming from electric mobility in a light vehicle scenario means dealing with low power requirements and limited computational resources. To collect data simultaneously from different sensor platforms, an ad-hoc multi-process application has been developed for a single-board computer. This data acquisition module supports multi-protocol communication interfaces and it can aggregate data about the environment, the status of the vehicle and the user. Moreover, it can support the integration with an IoT communication infrastructure. A prototype of the system has been implemented to prove the feasibility of the architecture.
Advancing Sustainable Mobility: A Data Acquisition System for Light Vehicles and Active Mobility

Matteo Verzeroli , Luigi Gaioni , Andrea Galliani , Luca Ghislotti, Paolo Lazzaroni , and Valerio Re

Electronics, Jan 2024

Number: 21 Publisher: Multidisciplinary Digital Publishing Institute

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Active mobility and light vehicles, such as e-bikes, are gaining increasing attention as sustainable transportation alternatives to internal combustion solutions. In this context, collecting comprehensive data on environmental conditions, vehicle performance, and user interaction is crucial for improving system efficiency and user experience. This paper presents a data acquisition system designed to collect data from multiple sensor platforms. The architecture is optimized to maintain low power consumption and operate within limited computational resources, making it suitable for real-time data acquisition on light vehicles. To achieve this, a data acquisition module was developed using a single-board computer integrated with a custom shield, which also captures data related to the assistance of an e-bike motor through a wireless interface. The paper provides an in-depth discussion of the architecture and software development, along with a detailed overview of the sensors used. A demonstrator was created to verify the system architecture idea and prove the potentialities of the system overall. The demonstrator has been qualified by professional and semi-professional riders in the framework of the Giro-E, a cyclist event which took place in May 2024, on the same roads of the Giro d’Italia. Finally, some preliminary analyses on the data acquired are provided to show the performance of the system, particularly in reconstructing the user behavior, the environmental parameters, and the type of road.

2023

A mixed-signal processor for X-ray spectrometry and tracking in the GAPS experiment

Valerio Re , Luca Ghislotti, Paolo Lazzaroni , Massimo Manghisoni , Elisa Riceputi , Lodovico Ratti , Mirko Boezio , Gianluigi Zampa , and Lorenzo Fabris

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Jan 2023

Publisher: Elsevier
The 32 Analog Channels Readout for the Long-Flight GAPS Balloon Experiment Tracking System

E. Riceputi , M. Boezio , L. Fabris , L. Ghislotti, P. Lazzaroni , M. Manghisoni , L. Ratti , V. Re , and G. Zampa

In Proceedings of SIE 2022 , Jan 2023

Series Title: Lecture Notes in Electrical Engineering
A 32-channels readout ASIC for X-ray spectrometry and tracking in the GAPS experiment

Massimo Manghisoni , Luca Ghislotti, Paolo Lazzaroni , Valerio Re , Elisa Riceputi , Lodovico Ratti , Lorenzo Fabris , Mirko Boezio , and Gianluigi Zampa

IEEE Transactions on Nuclear Science, Jan 2023

Publisher: IEEE
GAPS contributions to the 38th International Cosmic Ray Conference (Nagoya 2023)

T. Aramaki , M. Boezio , S. E. Boggs , V. Bonvicini , G. Bridges , D. Campana , W. W. Craig , P. Doetinchem , E. Everson , L. Fabris , S. Feldman , H. Fuke , F. Gahbauer , C. Gerrity , L. Ghislotti, C. J. Hailey , T. Hayashi , A. Kawachi , M. Kozai , P. Lazzaroni , M. Law , A. Lenni , A. Lowell , M. Manghisoni , N. Marcelli , K. Mizukoshi , E. Mocchiutti , B. Mochizuki , S. A. I. Mognet , K. Munakata , R. Munini , S. Okazaki , J. Olson , R. A. Ong , G. Osteria , K. Perez , F. Perfetto , S. Quinn , V. Re , E. Riceputi , B. Roach , F. Rogers , J. L. Ryan , N. Saffold , V. Scotti , Y. Shimizu , K. Shutt , R. Sparvoli , A. Stoessl , A. Tiberio , E. Vannuccini , M. Xiao , M. Yamatani , K. Yee , T. Yoshida , G. Zampa , J. Zeng , and J. Zweerink

Oct 2023

arXiv:2310.10181 [astro-ph]

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Compilation of papers presented by the GAPS Collaboration at the 38th International Cosmic Ray Conference (ICRC), held July 26 through August 3, 2023 in Nagoya, Japan.
Experimental results from the characterization of a 32-channels mixed-signal processor for the GAPS experiment

E. Riceputi , M. Manghisoni , V. Re , L. Ghislotti, P. Lazzaroni , L. Ratti , L. Fabris , M. Boezio , G. Zampa , and M. Xiao

In 2023 IEEE Nuclear Science Symposium, Medical Imaging Conference and International Symposium on Room-Temperature Semiconductor Detectors (NSS MIC RTSD) , Oct 2023