Science Wonders

Detector experiment

FASER

Catch rare low-mass signatures in a compact forward geometry.

Specialization
Light long-lived particle searches and hidden-sector hints
Classification
exotic searches · forward physics
Topology
Compact forward spectrometer at 480 m

Event signature

How a collision looks in this detector.

Compact forward lines with tiny late signals.

FASER · COMPACT FORWARDLong-lived weak particlesA small spectrometer 480 m from the ATLAS IP · sensitive to particles that ignore the rock between them
Trackson
Depositson
Subsystems3

Purpose

Search for weakly interacting forward particles beyond standard detector signatures.

What it does

Purpose & signature.

Search for weakly interacting forward particles beyond standard detector signatures.

Signature profile
Compact rare signals in forward direction

Record sources

What anchors this detector page.

Guided tour

Guided learning path

A four-step arc: follow the beam, see the aftermath, compare with spacetime signals, then test your intuition.

Continue · Compare with spacetime signals
  1. 01 · Visited

    Follow the beam

    Start with the injector chain so the rest of the site follows a physical sequence.

    Open
  2. 02 · You are here

    See the collision aftermath

    See which detectors catch which particles after a collision.

    Open
  3. 03 · Next

    Compare with spacetime signals

    Switch to gravitational waves: tune mass, distance, and noise to find the signal.

    Open
  4. 04 · Next

    Test your intuition

    Short quizzes on accelerator ordering, detector choice, and signal tuning.

    Open