# Energy Resolution Calculator

Introduction

Understanding energy resolution is crucial for various scientific and technical fields, particularly in physics and engineering. It involves calculating the ability of a system to differentiate between two energy values. This article provides an overview of energy resolution, demonstrates how to use an energy resolution calculator, and explains the formula used for these calculations.

## How to Use the Energy Resolution Calculator

Using the energy resolution calculator is straightforward. Enter the necessary values in the input fields and click the “Calculate” button to get the result. The calculator will automatically compute the energy resolution based on the inputs provided.

### Instructions

- Enter the full width at half maximum (FWHM) value in the designated field.
- Enter the peak energy value.
- Click the “Calculate” button to obtain the energy resolution.

## Formula for Energy Resolution

The energy resolution (R) can be calculated using the following formula:

Where:

**FWHM**is the full width at half maximum.**E**is the peak energy.

This formula provides the energy resolution as a percentage, indicating the precision of the energy measurement.

## Example Calculation

Let’s consider an example where the FWHM is 2 keV and the peak energy is 100 keV. Using the formula:

Thus, the energy resolution is 2%.

## FAQs

**What is energy resolution?**

Energy resolution is a measure of a system’s ability to distinguish between different energy levels.

**Why is energy resolution important?**

High energy resolution allows for more precise and accurate measurements, which is critical in scientific research and various applications.

**What does FWHM stand for?**

FWHM stands for Full Width at Half Maximum, which is a parameter that describes the width of a peak in a distribution.

**How is peak energy defined?**

Peak energy is the energy value at the maximum point of a peak in a spectrum.

**Can this calculator be used for different types of energy measurements?**

Yes, this calculator can be used for any type of energy measurement where FWHM and peak energy values are known.

## Conclusion

Understanding and calculating energy resolution is essential for precise energy measurements in scientific and technical fields. By using the provided formula and calculator, you can easily determine the energy resolution of your system, ensuring accurate and reliable results.