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File Import

Spectrum File:

Background File:

File Type:

Serial Connection

Calibration

Linear (2-point) or quadratic (3-point) calibration is supported.

E[keV] = c1 x^2 + c2 x + c3; with x ... Channel No.

Coefficients will be computed automatically.

Info

Hover:

None

Click:

None

Spectrum cts:

0

Background cts:

0

X
Y
Plot Type
Counts

Gamma MCA


Common Gamma-Ray Energies

Isotope Energy [keV]
List of gamma-ray energies of common isotopes.


Plot Settings

Input in keV. Any positive integer is valid.

File must be of valid JSON format. Use only trusted sources!

File Settings

Any character is valid.

Number of (ADC) channels of the original device. Any positive integer is valid.

Serial Settings

Input in bits per second. Any positive integer is valid.

Input in seconds. Any positive integer is valid. Serial recording will stop automatically when time runs out.

Input in seconds. Any positive float is valid, use integers for best performance.

Max number of serial input events buffered between plot refreshes. Any positive integer is valid.

Number of (ADC) channels of the serial device. Any positive integer is valid.


Gamma MCA is a free, open-source and complete (progressive) web app for gamma spectroscopy. You can import spectrum files and record new ones using the serial interface.

Made free and open-source by NuclearPhoenix using Bootstrap, Plotly & Font Awesome. Licensed under the GNU General Public License v3.0.

This site is part of the Open Gamma Project to provide modern and open-source resources for accessible gamma-spectroscopy.

Get the source code on GitHub.

Report issues and bugs on GitHub/Issues.

Questions? Discussions, Q&As and more can be found on GitHub/Discussions.

Version

Clears all settings, browser storage and reloads the page.