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DATA ACQUISITION

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DATA ACQUISITION

January 22, 2024May 15, 2024 Moniz JohnBlog

The applets created by Nicola Tomassetti of the National Institute of Nuclear Physics (INFN) and the University of Perugia clearly demonstrate the tremendous data acquisition speed of the Alpha Magnetic Spectrometer (AMS-02). These simulations help to understand the speed at which cosmic ray data are collected and stored, and show the expected improvement in various areas of physical analysis as a function of time.

Introduction to the AMS-02 data acquisition system

AMS-02, installed on the International Space Station, is one of the most advanced particle detectors operating in space. Its primary purpose is to study cosmic rays, including charged particles and nuclei, to gain a deeper understanding of dark matter, antimatter, and other fundamental questions in modern physics. To accomplish this task, AMS-02 is equipped with an advanced data acquisition system that can process and store information with unprecedented accuracy and speed.

Data acquisition system architecture

The AMS-02 data acquisition system consists of several key components that ensure efficient and reliable operation of the entire experiment. Its components include:

Particle detectors: the AMS-02 utilizes multiple detectors to capture different types of particles and their properties. These detectors include trackers, calorimeters, magnetic systems, and other specialized devices.

Digital processing systems: The signals received from the detectors are digitized and processed by high-performance digital systems. These systems include filters, digitization circuitry, and data processing algorithms.

Data storage systems: After digitization and processing, data are stored in dedicated storage systems that ensure that they are securely preserved and available for later analysis. These systems include both local storage devices and means of transmitting the data back to Earth for further study.

Speed and volume of data collection

One of the unique features of AMS-02 is its ability to collect data at high speed and in large volumes. In orbit, where it is deployed, AMS-02 can record millions of events per day. This is possible because of its advanced architecture and high-performance components.

The role of simulations and applets

The simulations created by Nicola Tomassetti play an important role in understanding the operation of the AMS-02 data acquisition system. These applets:

Demonstrate the speed of data acquisition: The simulations show how quickly AMS-02 collects cosmic ray data, allowing scientists and engineers to see how efficiently the system is working.

Illustrate data improvement over time: Applets also allow you to predict how data and analysis results will improve as more data is accumulated. This includes improvements in measurement accuracy, increases in the number of rare events recorded, and other important aspects.

Assist in education and training: These simulations serve as a valuable training tool for new researchers and engineers working with AMS-02. They provide a visualization of the complex processes occurring in the system and help to better understand the principles of the system.

Significance of improvements in physical analysis

As data from AMS-02 accumulates, scientists can expect to see significant improvements in various areas of physical analysis. Some of the key improvements include:

Accurate determination of particle properties: Increased data will allow for more accurate determination of particle characteristics such as energy, charge, and mass.

Identification of rare events: With more data, it becomes possible to detect and study rare events, such as dark matter or antigelium particle collisions, which can shed light on fundamental questions in cosmology.

Improving cosmic ray propagation models: The accumulated data will help refine existing models of cosmic ray propagation in the galaxy, which in turn will improve our understanding of their generation and acceleration mechanisms.

The applets and simulations created for AMS-02 provide important information about the speed and quality of data acquisition and help predict improvements in physical analysis. These tools not only contribute to a better understanding of the current capabilities of AMS-02, but also serve as a valuable resource for future research and educational initiatives. Through these efforts, AMS-02 continues to break new ground in the study of space and fundamental physics.

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