Who organized the Windy City Physics Slam?

The event was co-sponsored by Fermilab, Argonne National Lab, and the University of Chicago, bringing together leading scientific institutions in the Chicago area.

What is the Mu2e experiment and what does it study?

The Mu2e experiment at Fermilab searches for charged lepton flavor violation by looking for muons converting directly into electrons. This could provide clues to mysteries beyond the Standard Model of particle physics.

Why are neutrinos so hard to detect?

Neutrinos are extremely light and interact very weakly with matter, meaning they pass through most things, including our bodies, without leaving a trace. Detecting them requires massive, sensitive instruments.

What is dark matter and why is it important?

Dark matter is a mysterious substance that makes up about 56% of the universe's matter. We can only infer its existence through its gravitational effects on galaxies and light, and understanding it is a major goal in physics.

Can neutrinos be dark matter?

While neutrinos have some properties suitable for dark matter (like weak interaction), their measured mass is too low to account for the observed gravitational effects attributed to dark matter. Something else must be the primary component.

Is time travel possible according to physics?

While Einstein's theory of general relativity describes possibilities related to moving through time, practical time travel as depicted in science fiction is currently not feasible due to the complex equations governing information transfer.

Antimatter is composed of antiparticles, which have the opposite charge of their corresponding particles. For example, a positron is the antiparticle of an electron. In some theoretical frameworks, an electron moving forward in time is equivalent to a positron moving backward.

What's the difference between dark matter and dark energy?

Dark matter is a form of matter detected through its gravity, while dark energy is a force driving the accelerated expansion of the universe. The 'dark' simply means they are not directly observed or understood.

How do physicists detect particles like the Higgs boson if they decay instantly?

Detectors like ATLAS measure the properties (mass, charge, energy) of the lighter particles that the Higgs boson decays into. By predicting these decay products and their frequencies, scientists can identify the presence of the original particle.

Are theories like quantum gravity testable?

While some speculative theories like quantum gravity are challenging to test directly, scientists actively work to find testable predictions, such as searching for axions predicted by string theory, to either confirm or rule out these ideas.

How has machine learning impacted particle physics research?

Machine learning and modern statistical techniques are crucial for analyzing the massive datasets generated by experiments like those at CERN. Cloud computing enables faster processing and testing of theories.

Windy City Physics Slam 2016

Fermilab

Science & Technology4 min read86 min video

Nov 21, 2016|4,111 views|79|8

Fermilab Physics Tom Skilling Neutrinos Dark Matter Muon Mu2e Universe rap MC Truth Argonne National Laboratory The University of Chicago

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Key Moments

TL;DR

Scientists present their research through music, talks, and songs at the Windy City Physics Slam.

Key Insights

The Windy City Physics Slam is a unique event where scientists communicate complex research to the public engagingly using various creative formats.

Cosmology and astrophysics are explored through musical numbers, relating the vastness of the universe to personal experiences.

Particle physics experiments like the Mu2E and Atlas experiments at Fermilab and CERN are explained through analogies and visual aids, searching for new particles and phenomena.

Neutrino physics is a complex field involving oscillations, mass, and detection challenges, often presented through songs and relatable explanations.

Dark matter remains a significant enigma, detectable only through its gravitational effects, with ongoing efforts to identify its composition using diverse experimental approaches.

Science communication is crucial for public understanding and aims to inspire future generations, as demonstrated by the diverse approaches and Q&A sessions.

INTRODUCTION TO THE PHYSICS SLAM

The MC, Tom Skilling, a meteorologist, welcomes the audience to the inaugural Windy City Physics Slam, co-sponsored by Fermilab, Argonne Labs, and the University of Chicago. He explains the event's format: five scientists each have ten minutes to present their research in an interesting and unique way, with the audience's applause determining the winner. The goal is to make complex physics accessible and engaging for the general public.

THE DEATH OF THE UNIVERSE AS A MUSICAL

Astrophysicist Renee Hlozek presents 'The Death of the Universe' as a musical. She uses a Cabaret style to discuss cosmological concepts like the universe's beginning, composition, and ultimate end – the heat death. Hlozek connects these grand cosmic events to personal experiences, such as heartbreak, making abstract ideas relatable and understandable through song.

SEARCHING FOR CHARGED LEPTON FLAVOR VIOLATION

Mariel Pettee, a PhD candidate, explains the Mu2e experiment at Fermilab, which searches for charged lepton flavor violation. She clarifies particle 'flavors' and the difference between neutrinos and charged leptons like electrons and muons. The experiment aims to detect a rare muon decay into an electron, which, if observed, would challenge the Standard Model and point to new physics.

UNDERSTANDING NEUTRINOS THROUGH MUSIC

Chris Marshall, performing as MC Truth, uses a rap song to explain the nature of neutrinos. He highlights their elusive properties: having mass, changing 'flavors' through oscillation, and their weak interaction with matter. The song also delves into the challenges of neutrino detection, particularly issues related to nuclear effects and accurately measuring their energy.

PARTICLE DETECTION: FROM BUBBLES TO BOZONS

Clara Nellist, a particle physicist, discusses particle detection methods, from early cloud and bubble chambers to modern detectors like ATLAS at CERN. She explains how these detectors capture particle 'fingerprints' by measuring their tracks, energy, and other properties. Nellist also touches upon neutrinos, antimatter, and the Higgs boson, emphasizing the scale and collaborative nature of modern physics experiments.

THE MYSTERY OF DARK MATTER

Dan Hooper, an astrophysicist, addresses the significant portion of the universe composed of dark matter. He explains that dark matter is only detectable through its gravitational influence on visible matter, explaining galactic and cluster dynamics. Hooper discusses ongoing experimental efforts to detect or create dark matter particles, including underground detectors, gamma-ray telescopes, and particle accelerators.

AUDIENCE ENGAGEMENT AND INTERPRETATION

Following the presentations, a Q&A session allows the audience to interact with the scientists. Questions cover topics such as the presence of dark matter in the solar system, the possibility of time travel, parallel universes, the nature of antimatter, and whether neutrinos could constitute dark matter. Scientists also discuss the ongoing search for particles like gravitons and the role of machine learning in data analysis.

INSPIRATION AND THE FUTURE OF PHYSICS

The Q&A also addresses how scientists were inspired to pursue their careers, with many citing childhood experiences with nature, science fiction, or influential books. The discussion touches upon the experimental verification of theoretical physics, the challenges of untestable theories versus empirical evidence, and the importance of science communication to inspire future generations of scientists.

THE NATURE OF MASS AND EXOTIC PARTICLES

Scientists clarify concepts such as the origin of mass via the Higgs mechanism and its potential application to neutrinos, noting the puzzlingly small mass of neutrinos. They also explain how neutrino detection works, emphasizing that while neutrinos themselves are invisible, their interactions create detectable charged particles, and detectors are often placed deep underground to shield them from background noise.

THE ROLE OF EXPERIMENTAL VERIFICATION

A key theme throughout the Q&A is the scientific method, emphasizing that even speculative theories like string theory must make testable predictions. Scientists are actively working to either detect predicted particles like axions or rule out theoretical frameworks, underscoring the iterative process of scientific discovery driven by both theory and experiment. The challenge of distinguishing between matter and antimatter is also briefly discussed.

Mentioned in This Episode

●Products

●Software & Apps

●Organizations

●Books

●Studies Cited

●Concepts

●People Referenced

Common Questions

A physics slam is an event where scientists present their research in creative and engaging ways, often using performance art or music, with a time limit to make the science accessible to the public.

Topics

Electrons Cherenkov Radiation Mu2e Experiment ATLAS Experiment

Mentioned in this video

conceptTed Senior Fellow

A designation held by Renee Logic, indicating involvement with the TED organization.

conceptCharged lepton flavor violation

A hypothetical process in particle physics where a lepton changes its flavor (e.g., muon to electron) without involving neutrinos. The Mu2e experiment searches for this.

organizationLAL in Orsay

Laboratory for the study of Elementary Particles in Orsay, France, where Clara Nellist works.

productEiffel Tower

Iconic landmark in Paris, used by Clara Nellist as a comparison for the scale of the IceCube detector.

conceptTheoretical astrophysics

The field of study focused on theoretical models and calculations in astrophysics. Dan Hooper is an associate scientist in this group at Fermilab.

studyMicrolensing surveys

Astronomical surveys that use gravitational microlensing to detect objects like planets or MACHOs, previously considered candidates for dark matter.

productAtacama Cosmology Telescope

A telescope used to measure fluctuations in the light from the Big Bang, mentioned by Renee Logic.

conceptHeat Death of the Universe

The final theoretical state of the universe where all energy has been evenly distributed, leading to a state of maximum entropy. Discussed musically by Renee Logic.

personMC Truth

The alter ego of Chris Marshall for his performance in the physics slam.

personClara Nellist

Particle physicist and science communicator at LAL in Orsay, France, working on the ATLAS experiment at CERN. Presented on particle detection methods.

productNotre Dame Cathedral

Famous cathedral in Paris, used by Clara Nellist as a comparison for the scale of the ATLAS detector.

productGamma-ray telescopes

Telescopes that detect gamma rays. Used to search for dark matter interactions in regions like the galactic center.

conceptAstrophysics

The branch of astronomy concerned with the physical nature of stars and other celestial bodies, and ray of light.

locationAntarctica

Continent where the IceCube Neutrino Observatory is located.

organizationHarvard Radcliffe Dramatic Club

Marielle PTI was a member of this club while attending Harvard.

conceptLeptons

A class of fundamental particles, including electrons and neutrinos, that do not experience the strong nuclear force.

conceptWomen in physics

The push to increase the participation and representation of women in the field of physics. Clara Nellist is passionate about this.

conceptAntimatter

Matter composed of antiparticles, which have the opposite charge of their corresponding particles. Discussed by Clara Nellist in relation to Paul Dirac's work.

organizationArgon Labs

One of the co-sponsors of the Windy City Physics Slam.

studyMu2e experiment

An experiment at Fermilab searching for charged lepton flavor violation by looking for the direct conversion of a muon into an electron.

personChris Marshall

Graduate student at the University of Rochester, studying neutrinos on the Manura experiment at Fermilab under the alias MC Truth.

studyManura experiment

An experiment studied by Chris Marshall, likely related to neutrinos.

personHugh Everett

Physicist who proposed the many-worlds interpretation of quantum mechanics in the 1950s.

softwareWorldwide Web

Invented at CERN, allowing physicists to share data and communicate quickly; its impact on research is significant.

conceptGravitons

Hypothetical elementary particles that mediate the force of gravitation. Their existence was questioned following the Higgs boson discovery.

conceptMatter and antimatter

Particles and their antiparticles, which annihilate each other when they meet. The asymmetry between them at the beginning of the universe is a topic of discussion.

studyNeutrino double beta decay

A rare type of radioactive decay that could help determine if neutrinos are their own antiparticles and possibly elucidate their mass origin. Experiments are underway to detect it.

bookContact

A science fiction novel by Carl Sagan, which inspired one of the presenters to pursue science.

studyHubble Deep Field

productATLAS experiment

toolBubble Chamber

toolLHC

toolIceCube Neutrino Observatory

organizationThe Congregation

conceptSchrödinger equation

conceptcloud computing