High School The first light atomic nucleus with a second face

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The discovery of the first light atomic nucleus with a second face was made by physicists in a resource-limited lab, highlighting the potential for significant findings despite constraints. This research identified a nuclear excitation exhibiting a non-spherical shape in Nickel, which challenges existing nuclear structure theories. The findings suggest new avenues for understanding atomic nuclei and their properties. The publication detailing this breakthrough is available online. This discovery could have implications for future studies in nuclear physics.
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Thread 'Unexpected irregular reflection signal from a high-finesse cavity'
I am observing an irregular, aperiodic noise pattern in the reflection signal of a high-finesse optical cavity (finesse ≈ 20,000). The cavity is normally operated using a standard Pound–Drever–Hall (PDH) locking configuration, where an EOM provides phase modulation. The signals shown in the attached figures were recorded with the modulation turned off. Under these conditions, when scanning the laser frequency across a cavity resonance, I expected to observe a simple reflection dip. Instead...

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