physics

Stephanie Zimmermann

Stephanie Zimmermann is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Stephanie Zimmermann rather than just read about it. In short: Stephanie Zimmermann (October 29, 1973-November 10, 2020) was a German physicist who worked on the ATLAS experiment at the Large Hadron Collider at CERN. As a researcher from the University of Freiburg, she was involved in the Muon Detector Control System activities, and she served as muon run-coordinator.

Key takeaways

Stephanie Zimmermann belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Stephanie Zimmermann to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Stephanie Zimmermann from memory before moving on to harder problems.

Reference excerpt

Stephanie Zimmermann (October 29, 1973-November 10, 2020) was a German physicist who worked on the ATLAS experiment at the Large Hadron Collider at CERN. As a researcher from the University of Freiburg, she was involved in the Muon Detector Control System activities, and she served as muon run-coordinator. She was elected and served as ATLAS Run-Coordinator in 2012–2014. She then became Project Leader of the New Small Wheel project (NSW), part of an extensive upgrade, the largest phase 1 upgrade project for the ATLAS detector.

Education Zimmermann studied physics at the University of Freiburg, where she earned Master's and Ph.D. degrees, supervised by R. Schneider, Gregor Herten, and A. Bamberger.

Career As a master's student in 1999, Zimmermann joined the ATLAS experiment, working on the muon system of the Large Hadron Collider at CERN. She continued her work in the ATLAS collaboration during her doctoral thesis, a research fellowship at CERN, and as a University of Freiburg researcher.

Muon Run-Coordinator As research fellow she coordinated integration of the Monitored Drift Tube and Resistive Plate Chambers. This work ensured this task was completed on time for installation in the ATLAS underground hall. According to Andrew Millington she was "a leading member of the ATLAS muon group", with a major role in the Muon Detector Control System activities, and she served as muon run-coordinator.

ATLAS Run-Coordinator

As ATLAS Run-Coordinator she was in charge of running the detector. Zimmermann said, "It was a very interesting phase because my first half in that role was the main part of data taking during the period up to the discovery of the Higgs. It was then followed by the first half of the shutdown with all the improvement works and managing the maintenance, and now also managing the start of getting things back together into a state for the run of 2015..."

New Small Wheel Project Leader Zimmermann had also served as New Small Wheel (NSW) Project Leader. Bernd Stelzer of the ATLAS Muon Collaboration wrote that ATLAS is "undergoing an extensive upgrade program over the coming decade. The largest phase 1 upgrade project for the ATLAS Muon System is the replacement of the present first station in the forward regions with the so-called New Small Wheels." Auriane Canesse wrote that NSW is designed to produce approximately a seven-fold "increase in rejection rate for fake muon triggers and an improved muon momentum measurement at HL-LHC. According to Cristina Agrigoroae, "The New Small Wheels will allow much more stringent selection criteria for muons and provide new detector technology to handle the high backgrounds and high pile-up rates — the two main requirements for the High-Luminosity LHC." Zimmermann co-authored the University of Freiburg Detector Group report which said, "The present ATLAS Muon Spectrometer chambers are not able to cope with the background rates expected in the High Luminosity LHC phase; an upgrade is therefore needed, and will happen in two steps — first with a replacement of the innermost endcap muon stations with a new detector assembly known as the 'New Small Wheels', and in a second phase a replacement of chambers in the inner part of the barrel and a complete overhaul of the Muon electronics."

Awards and honors Zimmermann received university awards for the best master's thesis and also for the best 2004 doctoral thesis, which was titled, High Rate and Ageing Studies for the Drift Tubes of the ATLAS Muon Spectrometer. She was also awarded the 2006 Marc Virchaux Prize "for best Ph.D. thesis concerned with the design and construction of, and the analysis of data from, the ATLAS muon spectrometer." Zimmermann was elected ATLAS run coordinator for a two-year term, March 2012 – March 2014.

Selected publications As an ATLAS collaboration member, Zimmermann was an author on more than 900 publications. Two of the most significant are:

ATLAS Collaboration (2012-09-17). "Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC". Physics Letters B. 716 (1): 1–29. arXiv:1207.7214. Bibcode:2012PhLB..716....1A. doi:10.1016/j.physletb.2012.08.020. ISSN 0370-2693. ATLAS Collaboration; CMS Collaboration (2015-05-14). "Combined Measurement of the Higgs Boson Mass in рр Collisions at √s = 7 and 8 TeV with the ATLAS and CMS Experiments". Physical Review Letters. 114 (19) 191803. arXiv:1503.07589. doi:10.1103/PhysRevLett.114.191803. PMID 26024162.

References

External links Structure and functionality of the ATLAS detector (Stephanie Zimmermann) on YouTube (video in German, 3:38) "The Freiburg physicist Dr. Stephanie Zimmermann from the group of Prof. Dr. Gregor Herten explains how the ATLAS detector at CERN, the European Laboratory for Elementary Particle Research in Geneva / Switzerland, works and what happens during the maintenance phases. She also reports on the project that she is leading, in which the so-called muon chambers are being further developed and improved." ATLAS Phase-1 Upgrades Overview, Status and Prospects by Stephanie Zimmermann, University of Freiburg, for the ATLAS Collaboration

Worked examples

Example 1 — a first encounter with Stephanie Zimmermann

Start with the simplest possible case. Write down what Stephanie Zimmermann claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Stephanie Zimmermann before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Stephanie Zimmermann ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Stephanie Zimmermann

In research: Stephanie Zimmermann appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Stephanie Zimmermann in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Stephanie Zimmermann is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1973 births, 2020 deaths, 21st-century German physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Stephanie Zimmermann outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Stephanie Zimmermann in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Stephanie Zimmermann means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Stephanie Zimmermann out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Stephanie Zimmermann in simple terms?

Why does Stephanie Zimmermann matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Stephanie Zimmermann?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Stephanie Zimmermann.