Millibarn meaning

A millibarn is a unit of area equal to 10-30 square meters.


Millibarn definitions

Word backwards nrabillim
Part of speech The word "millibarn" is a noun.
Syllabic division mil-li-barn
Plural The plural of millibarn is millibarns.
Total letters 9
Vogais (2) i,a
Consonants (5) m,l,b,r,n

Millibarn is a unit of area that is commonly used in the field of nuclear physics. It is equivalent to 10^-3 barns, where a barn is a unit of area often used to describe the cross-sectional area of atomic nuclei or nuclear reactions.

Origin and Definition

The term "barn" was coined during the Manhattan Project in the 1940s, where scientists needed a way to describe the extremely tiny area of atomic nuclei. The prefix "milli-" was later added to create the millibarn, which is one thousandth of a barn.

Usage in Nuclear Physics

Millibarns are commonly used to express the probability of a nuclear reaction occurring. For example, in particle accelerators, scientists may refer to the cross-sectional area of a target nucleus in terms of millibarns to calculate the likelihood of a specific interaction taking place.

Conversion and Equivalents

To convert between barns and millibarns, you simply multiply or divide by 1000. For example, 1 barn is equal to 1000 millibarns. Similarly, 1 millibarn is equivalent to 10^-3 barns.

In conclusion, the millibarn is a crucial unit of measurement in nuclear physics that allows scientists to quantify the likelihood of nuclear reactions. Its utility lies in its ability to accurately describe the minuscule areas involved in atomic interactions.


Millibarn Examples

  1. The atmospheric pressure is commonly measured in millibarns.
  2. Scientists use millibarns as a unit of cross section in particle physics experiments.
  3. The term millibarn is derived from the barn, which is a unit of area in nuclear physics.
  4. A collision between particles can be described in terms of millibarns.
  5. Calculations involving particle interactions often involve millibarns.
  6. The probability of a particular nuclear reaction occurring can be expressed in millibarns.
  7. Cross section measurements are often reported in millibarns.
  8. Particle accelerators are capable of generating collisions with millibarn-scale cross sections.
  9. Nuclear reactions with small cross sections are commonly measured in millibarns.
  10. Researchers use millibarns to understand the likelihood of specific particle interactions.


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  • Updated 16/05/2024 - 08:21:12