Nuclear particle decay in a multi-MeV beam ejected by pulsed-laser impact on ultra-dense hydrogen H(0)
Why this work is in the frame
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Bibliographic record
Abstract
The multi-MeV particles ejected from pulsed laser-induced processes in ultra-dense hydrogen H(0) are observed in vacuum at three different distances up to 2[Formula: see text]m from the laser target. In previous publications, massive neutral particles with energy of 1–30[Formula: see text]MeV[Formula: see text]u[Formula: see text] were identified. Direct energy spectra of the particles show energies well above 1[Formula: see text]MeV. The particles studied here interact with metallic collectors and give signals due to several processes like secondary electron emission and lepton pair production (published). Two experimental facts are immediate: (1) the signal per sr at large distance is up to 10 times higher than at short distance, (2) the signal at large distance is faster in real time than at short distance. These results show directly that the signal at long distance is mainly due to a mixture of intermediate particles formed by decay in the beam. The decaying signals have time constants of approximately 12 and 26[Formula: see text]ns for ultra-dense deuterium D(0) and 52 ns for ultra-dense protium p(0). These decay time constants agree well with those for decay of light mesons. These particles with narrow MeV energy distributions are formed by stepwise decay from particles like H[Formula: see text](0). The main result is that a decaying particle flux is formed by the laser-induced processes. The final muons produced may be useful for muon catalyzed fusion.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it