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Ji S, Oh E, Sul D, Choi JW, Park H, Lee E

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Authors not listed · 2004

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High-energy physics facilities like the LHC operate powerful 40 MHz systems that create significant radiofrequency exposures deserving health consideration.

Plain English Summary

Summary written for general audiences

This study examined the Large Hadron Collider's data processing system, which operates at 40 MHz radiofrequency. Researchers analyzed how to efficiently filter the massive amounts of particle collision data generated at this frequency. The work focused on technical performance rather than biological effects.

Why This Matters

While this research focuses on particle physics rather than health, it highlights an important reality about our electromagnetic environment. The 40 MHz frequency used in the LHC's trigger system falls within the radiofrequency spectrum that surrounds us daily through various technologies. What's significant is the industrial-scale exposure levels involved in high-energy physics facilities, where workers and nearby communities may encounter RF fields far exceeding typical consumer device exposures. The science demonstrates that 40 MHz frequencies can penetrate biological tissue, and while this study didn't examine health effects, the technical infrastructure it describes represents the kind of high-powered RF environment that deserves closer scrutiny for potential biological impacts.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 40 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 40 MHzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2004). Ji S, Oh E, Sul D, Choi JW, Park H, Lee E.
Show BibTeX
@article{ji_s_oh_e_sul_d_choi_jw_park_h_lee_e_ce2836,
  author = {Unknown},
  title = {Ji S, Oh E, Sul D, Choi JW, Park H, Lee E},
  year = {2004},
  doi = {10.1088/1748-0221/12/01/P01020},
  
}
DOI: 10.1088/1748-0221/12/01/P01020

Quick Questions About This Study

The 40 MHz frequency serves as the data processing rate for filtering particle collision information in the Large Hadron Collider's trigger system, handling massive amounts of experimental data in real-time.
40 MHz falls in the VHF band used by some radio communications, typically at much lower power levels than particle accelerator facilities, which operate high-intensity systems for scientific research.
Yes, personnel at facilities like CERN work near high-powered 40 MHz systems daily, though specific exposure levels and health monitoring protocols vary by facility and job function.
At 40 MHz, RF energy can penetrate several centimeters into human tissue, with absorption depending on power levels, duration, and individual factors like body composition and hydration.
Particle accelerators use much higher power levels and continuous operation compared to consumer devices, creating more intense electromagnetic field environments around the scientific equipment and facilities.