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Updated: Mar 16, 2026

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

Precision Lifetime Measurements Using the Recoil Distance Method.

¹A. W. Wright Nuclear Structure Laboratory, Physics Department, Yale University, New Haven, CT 06520.

Journal of Research of the National Institute of Standards and Technology

|August 24, 2016

Summary

This summary is machine-generated.

The recoil distance method (RDM) measures nuclear excited state lifetimes from 1 to 1000 picoseconds. Recent experiments on SD bands, shears bands, and ground state bands are presented, with future applications for neutron-rich nuclei discussed.

Keywords:

Gammasphere New Yale Plunger Device differential decay-curve method groundstate deformation magnetic rotation nuclear level lifetimes nuclear structure recoil distance method shears bands superdeformation

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Last Updated: Mar 16, 2026

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Area of Science:

Nuclear Physics
Atomic and Nuclear Physics

Background:

Nuclear structure and decay properties are fundamental to understanding atomic nuclei.
Precise measurement of nuclear lifetimes provides critical data for nuclear models.

Purpose of the Study:

To review the recoil distance method (RDM) for measuring nuclear excited state lifetimes.
To introduce the New Yale Plunger Device for RDM experiments.
To present recent RDM experimental results and discuss future perspectives.

Main Methods:

Recoil Distance Method (RDM) for lifetime measurements (1 ps - 1000 ps).
Differential Decay Curve Method for data analysis.
Experimental studies on specific nuclear bands (SD, shears, ground state).

Main Results:

Demonstrated RDM's capability for precise lifetime measurements.
Presented new experimental data for mass-190 SD bands, neutron-deficient lead isotope shears bands, and mass-130 ground state bands.
Highlighted the applicability of RDM in nuclear structure studies.

Conclusions:

The recoil distance method is a powerful technique for nuclear lifetime measurements.
Recent experiments have provided valuable insights into nuclear structures.
RDM holds significant promise for future studies of neutron-rich nuclei.