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Cosmic-Ray Extremely Distributed Observatory

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Cosmic-Ray Extremely Distributed Observatory (CREDO) – scientific project initiated at the end of August 2016 by Polish scientists from Institute of Nuclear Physics PAN in Kraków (Researchers from the Czech Republic, Slovakia and Hungary also joined the project) whose purpose is the detection of cosmic rays and the search for dark matter.[1] Its aim is to involve as many people as possible in the construction of a global system of cosmic ray detectors, thanks to which it will be possible to examine the essence of dark matter. Thanks to a photosensitive sensor and a GPS module, a smartphone works perfectly as a detector that reaches particles from space.[2][3][4]

Application credo

Just install free application, which will turn the phone into a cosmic ray detector, connect it to a charger and arrange it horizontally, for example, put on a table or bedside table. It is also important that the cameras are well covered, for example with a piece of black adhesive tape, and notifications indicated by the blinking of the LEDs are turned off. If a radiation particle passes through a photosensitive matrix in the phone, it will stimulate several pixels, which will be noticed by the program that sends information to the server. Thanks to the GPS module, you will also know where and when the event took place.

The application is still under testing and may not produce the expected results on some mobile devices.

[5]

All data from thousands of smartphones will then be analyzed together in Academic Computer Center Cyfronet AGH. Which will keep you informed about the progress of the search for signs of high-energy particles

Preview of collected data

All traces of particles registered by smartphones can be viewed on dedicated website Their size and shape depends on the type and energy of the captured particle and the direction from which it came.

The CREDO project is not limited to astrophysical research. If we could construct a global network of cosmic ray detectors, geophysical research could also be carried out. The authors of the project want to, for example, verify the hypothesis about the existence of a relationship between changes in the intensity of cosmic rays and earthquakes.

Statistics
Detections Users Teams Date
548,298 975 107 2018 - 03

Examples of detections

References

  1. ^ https://credo.science/credo-read-more/
  2. ^ https://arxiv.org/abs/1709.05230
  3. ^ https://indico.ifj.edu.pl/event/182/overview
  4. ^ https://www.ncbj.gov.pl/seminaria/cosmic-ray-extremely-distributed-observatory-novel-astrophysical-potential-and-beyond
  5. ^ https://indico.cern.ch/event/596002/contributions/2447178/attachments/1412820/2161711/credo-highlight-hq.pdf
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