Precision low energy measurements and search for physics beyond the standard model
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
In the first two parts of this dissertation I present the complete calculation of one-loop contributions to low energy charged and neutral current weak interaction observables in the framework of the Minimal Supersymmetric Standard Model (MSSM). For the former, I perform the first model-independent analysis of charged current data and use it to constrain the MSSM parameter space. I show that the constraints are incompatible with the predictions of the most widely used models of SUSY breaking mediation and discuss possible solutions to this conflict. For neutral current reactions, I study the impact of SUSY corrections on the weak charges of the electron, QeW , and the proton, QpW . I show that the relative signs of the SUSY loop effects on QeW and QpW are correlated and positive, whereas inclusion of R-parity nonconserving interactions can lead to opposite sign relative shifts. Thus, a comparison of QpW and QeW measurements could help distinguish between different SUSY scenarios. ^ In the third part, I construct the relationship between effective, nonrenormalizable, time-reversal violating (TV) parity-conserving (PC) interactions of quarks and gauge bosons and various low-energy TVPC and TV parity-violating (PV) observables. I delineate the scenarios under which experimental limits on electric dipole moments (EDM's) of the electron, neutron, and 199Hg as well as limits on TVPC observables provide the most stringent bounds on new TVPC interactions. If parity invariance is restored at short distances, the one-loop EDM of elementary fermions generate the most severe constraints. If parity remains broken at short distances, direct TVPC limits provide the least ambiguous bounds. ^ In the fourth part I evaluate the one-loop SM radiative corrections to the charged (CC) and neutral (NC) current neutrino-deuterium disintegration cross sections for energies relevant to the Sudbury Neutrino Observatory (SNO) experiment. The correction to the total CC cross section is independent of the bremsstrahlung detection threshold. It slowly decreases with neutrino energy Eν from about 4% at low energies to 3% at the end of the 8B spectrum. The correction to the NC cross section amounts to about 1.5% and is energy-independent. ^
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.001 | 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