Nuclides & Physics
Analysis Potpourri
Historical Figures
Instrumentation
GammaVision
100

This isotope emits two gammas at 1173/1332 nearly 100% of the time

What is Co-60

100

This file can be modified to change the half-life cutoff used for all analyses

What is the B30WINDS.INI file

100

The only person to win the Nobel Prize in two different scientific fields - and did so while attending college illegally.

Who is Marie Curie

100

The ratio of the amplitude of the output signal of an amplifier to the amplitude of its input signal.

What is Gain

100

The extension given to a file created by the Analyze→Settings→Sample Type option

What is SDF

200

The decay process that results in the largest change in mass of a nucleus?

What is alpha decay

200

This analysis value is calculated based solely on the background value of a given peak

What is Minimum Detectable Activity (MDA)

200

The first person to discover evidence of radioactivity

Who is Antoine Becquerel

200

A device which collects the charge carriers from the detector and passes a pulse to the amplifier.

What is a pre-amplifier

200

The job file command to erase the data, real time and live time for the selected detector

What is CLEAR
300

The property that defines a photons energy

What is wavelength
300

A type of calibration method which has a "knee"

What is quadratic fit

300

Awarded the Nobel Prize in Physics for the discovery of X-rays

Who is Wilhelm Rontgen

300

A device that generates a logic output signal when the input signal exceeds a preset threshold level

What is a "Discriminator"

300

They only GammaVision analysis engine which offers Manual-Based peak stripping

What is WAN32

400

Of all the nuclear fuels, this one has the smallest critical mass

What is Pu-239

400

The type of efficiency calibration

What are betas

400

This physicist discovered the neutron and was the head of the British team on the Manhattan project

Who is James Chadwick

400

This term is the ratio between the number of selected pulses recorded per unit time to the number of photons emitted by the source per unit time

What is detector efficiency

400

The analysis option used to generate negative peak areas for singlet and multiplet peaks.

What is "Directed Fit"

500

Strontium, Radium, Samarium and Plutonium are members of a category of elements which are called this as it relates to the human body

What are "bone seekers"

500

Fixed by this atmospheric element during photosynthesis, it can be used to calculate the date of a tree

What is Carbon-14

500

A unit of measurement for the activity of 1 gram of Ra-226 or 3.7x1010 Bq

What is the curie

500

This hardware interfaces between the detector components and peripherals & keeps track of counts per channel

What is an MCA

500

This term is shown on the GammaVision report is a measure of how well the spectrum peak energies match those in the library

What is "Normalized Difference"