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![[Figure 1]](aj5249fig1mag.jpg)
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Figure 1
The NSE polarization signal of T1 transverse phonons in lead below and above its superconducting transition temperature of 7.2 K (Keller et al., 2006  ). The inset shows the signal of the same phonons observed by conventional neutron triple-axis spectroscopy. The 25–30 ps decay lifetime shown by the NSE signal corresponds to about 0.04 meV linewidth in the energy spectrum in the inset. This small width is fully masked by the 0.6 meV intrinsic width of the triple-axis spectrometer resolution function, which dominates the signal in the inset. Courtesy of T. Keller et al. Copyright (2006) by The American Physical Society. |
![[Figure 1]](aj5249fig1.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
