Internal conference in the framework of CERN’s 60th anniversary | 8 September
Bibliographic record
Abstract
Dieter Schlatter and Hans Specht discuss deep inelastic lepton-nucleon scattering experiments at CERN and SPS heavy ion physics. 8 September 2014 Main Auditorium 3.45 p.m. - 4.00 p.m.: Coffee 4.00 - 5.00 p.m.: Dieter Schlatter - Deep Inelastic Lepton-Nucleon Scattering Experiments at CERN Abstract Several deep inelastic scattering experiments using neutrino and muon beams were done at the SPS during the period 1977 to 1985. The experiments, their physics results and the importance of these early tests of the Standard Model will be described. Biography Born 1944 in Germany. 1973, PhD in experimental particle physics, Hamburg University. From 1976, a CERN fellow at the neutrino experiment CDHS. 1980-83, at SLAC, e+e- physics with Mark II at the PEP ring. 1983, back at CERN, e+e- physics with the ALEPH experiment at LEP. 2001-2005, EP Division Leader / PH Dept. Head. From 2006, worked on the conceptual design of a detector for a future CLIC e+e- collider. Retired since 2010. 5.00 p.m. - 6.00 p.m.: Hans Specht - Heavy Ion Physics at the CERN SPS: Roots 1974-1984 and Key Results Abstract Two communities, nuclear and particle physics, had to come together to open up a new field at the CERN SPS in the early eighties, bringing CERN to the forefront worldwide until the start of RHIC in 2000. I will discuss the period before that, including the basic new ideas on parton deconfinement, key workshops, alternative accelerator options in the LBL-GSI-CERN triangle, and the final convergence of the three labs on the SPS, sacrificing any home future in this field for the first two. In 1984, five major experiments were approved for initially O16 and S32 beams at the SPS, with an unprecedented reuse of existing experimental equipment. Subsequent evolution followed thanks to intense learning processes, leading to a second generation of much improved or completely new experiments together with Pb beams starting in 1994. I will summarise the key results and their (then still cautious) interpretation as of 2000. They were used as an input to a press conference at CERN announcing the detection of a 'new state of matter' just before the start-up of RHIC. Fortunately, a new experiment a few years later unambiguously confirmed that the Quark Gluon Plasma had indeed been formed already at SPS energies. Biography Born in 1936 in Germany. Studied Physics at TU Muenchen and ETH Zurich. PhD in 1964 at TU Munich (H.Meier-Leibnitz). NRC Fellow and post-doc. 1965-1968 at AECL in Chalk River, Canada. Habilitation and Associate Professor. 1969-1973 at LMU Muenchen. Full Professor since 1973 at Universität Heidelberg. Since 1983, main research at CERN. Member of R807/808 for the last year of ISR running. Member of the Heavy Ion Experiments NA34/2 (Spokesperson), NA45 (Spokesperson) and NA60. Scientific Director of GSI Darmstadt 1992-1999. Publications in atomic, nuclear, high-energy physics and brain research. Since 2000, Member of the Heidelberg Academy of Science. Since 2004 Emeritus.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.004 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.006 | 0.004 |
| Open science | 0.003 | 0.007 |
| Research integrity | 0.004 | 0.005 |
| Insufficient payload (model declined to judge) | 0.268 | 0.234 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".