Anyway, I finally took it apart when it already in the 'dead' state, and noticed that it came back to life when I was fiddling with ribbon cable connecting the top shell to the rest of the mouse.
I unlatched it and fully reseated it and it's been fine for days now.
A really odd problem, but I might have actually fixed it.
2/2
I really love the #frixion pen, because they are erasable. But they are all ugly as hell. They stopped make the metall slim, which was great.
So I created the frankenstein fountain monster.
The great #kaweco fountain pen into a #kaweco #frixion.
Great for my #x17 paper notebook.
If anyone knows G2 compatible frixion mines ... that would be great.
Angular correlation spectra of $e^+e^-$ pairs produced in the $^{7}$Li($p$,$γ$)$^{8}$Be nuclear reaction were studied at a proton beam energy of $E_p$~=~4.0~MeV, which corresponds to the excitation energy of the Giant Dipole Resonance (GDR) in $^8$Be. The spectra measured show a peak like anomaly at 120$^\circ$ and a broader anomaly also above 140$^\circ$. Both anomalies could consistently be described by assuming that the same hypothetical X17 particle was created both in the ground-state transition and in the transition going to the broad ($Γ$=1.5~MeV), first excited state in $^8$Be. The invariant mass of the particle, which was derived to be $m_Xc^2 = 16.95 \pm 0.48$(stat.)~MeV, agrees well with our previously published values.
Heute Morgen zog ich meinen X17 A5 aus grünem Leder aus dem Regal und dachte mir, den könnte ich doch mal wieder reaktiveren. Seit 2014 hat er mich viele Jahre als Kalender und Notizbuch begleitet und da ich für 2023 viel vorhabe, kommt mir das Format A5 doch gut gelegen...
>The #X17 particle could be the force carrier for a postulated fifth force, possibly connected with dark matter, and has been described as a protophobic (i.e., ignoring protons) X boson with a mass near 17 MeV.
Protophobic? Positively charged? 🤔
B1tterstovv
Instant Arcade
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Francisco R. Villatoro
Martin 
Markus ZoomLab
Vijay