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Can cosmic strangelets reach the earth?

Banerjee¹, Ghosh, Raha

¹Department of Physics, Bose Institute, 93/1, A.P.C. Road, Calcutta 700 009, India.

Physical Review Letters

|September 6, 2000

Summary

This study explores how strangelets, exotic matter particles, travel through Earth's atmosphere. Findings suggest strangelets can reach mountain altitudes under specific conditions, matching cosmic ray observations.

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Area of Science:

Nuclear Physics
Astrophysics
Particle Physics

Background:

Strangelets are hypothetical particles composed of strange quarks.
Cosmic ray experiments have detected unusual signals potentially related to strangelets.
Understanding strangelet propagation is crucial for interpreting these observations.

Purpose of the Study:

To investigate the atmospheric propagation mechanism of low baryon number strangelets.
To determine if strangelets can reach detectable altitudes on Earth.
To compare simulated strangelet properties with cosmic ray data.

Main Methods:

Simulations of strangelet interactions with atmospheric particles.
Analysis of propagation dynamics under varying initial conditions.
Comparison of simulated mass numbers and charges with experimental data.

Main Results:

The propagation of low baryon number strangelets through Earth's atmosphere is feasible.
Suitable initial conditions allow strangelets to reach near mountain altitudes.
Simulated strangelet properties align with observed values in cosmic ray experiments.

Conclusions:

Strangelets with low baryon number can propagate through the atmosphere.
The study provides a potential explanation for cosmic ray signals.
Further research can refine understanding of strangelet interactions.

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