Solve Neutron Density Homework: Indium

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SUMMARY

The discussion revolves around solving a neutron density homework problem specifically for Indium. Key equations include the absorption rate defined as flux multiplied by absorption, and absorption calculated as the product of cross section and neutron density. The neutron density formula incorporates Avogadro's number, density, and atomic mass, with specific values provided: density of Indium is 7.31 g/cm³, Avogadro's number is 6.022 x 10²³ g/mole, and atomic mass is 115 g. The confusion arises from the isotopic abundance of Indium, which is 95.7%, affecting the choice of atomic mass for calculations.

PREREQUISITES
  • Understanding of neutron density calculations
  • Familiarity with Avogadro's number and its application
  • Knowledge of isotopic abundance and its impact on atomic mass
  • Basic grasp of absorption rates in nuclear physics
NEXT STEPS
  • Research the calculation of neutron density using isotopic abundance
  • Learn about the role of cross sections in neutron interactions
  • Explore the significance of atomic mass in nuclear physics
  • Study the relationship between flux and absorption in neutron transport theory
USEFUL FOR

Students in nuclear physics, physicists working with neutron interactions, and anyone involved in radiation safety or nuclear engineering.

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Homework Statement



The problem is attached

Homework Equations


Absorption rate=flux*absorption

absorption=cross section*neutron density

neutron density=Avegadro number *density/atomic mass


The Attempt at a Solution


the problem is just simple but the problem i faced is just with finding the neutron density, for Indium the density 7.31 g/cm3, avegadro no. 06022e24g/mole, atomic mass 115g, i confused with the abundance of 95.7% and with which atomic mass number should I take
 

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