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Physics - Astronomy / Space Science - 18.05.2018
Astronomy / Space Science - Materials Science - 26.04.2018 
Bernese Mars camera CaSSIS sends first colour images from Mars
The Mars camera CaSSIS on the ExoMars Trace Gas Orbiter has returned its first colour images of the red planet.
Astronomy / Space Science - 05.04.2018 
Space telescope CHEOPS leaves the University of Bern
Construction of the space telescope CHEOPS is finished. The engineers from the Center for Space and Habitability (CSH) at the University of Bern will package the instrument this week and send it to Madrid, where it will be integrated on the satellite platform.
Astronomy / Space Science - Innovation - 14.03.2018
Astronomy / Space Science - 01.02.2018 
Astronomy: a Rotating System of Satellite Galaxies Raises Questions
Astronomers have examined the distribution and movement of dwarf galaxies in the constellation Centaurus, but their observations do not fit with the standard model of cosmology that assumes the existence of dark matter. The international team of researchers led by the University of Basel reported their findings .
Astronomy / Space Science - 07.12.2017
Astronomy / Space Science - 30.10.2017 
Claude Nicollier, forever known as the first Swiss man in space
Just 25 years ago, Vaud astronaut Claude Nicollier boarded the Space Shuttle Atlantis for the first of what would be four missions in space.
Astronomy / Space Science - 25.10.2017
Astronomy / Space Science - 03.10.2017 
"Astronomy has gained a new eye"
The observation of gravitational waves last year captivated professionals in the field. Experts, including at ETH Zurich, expected that this discovery would be awarded the Nobel Prize in Physics.
Astronomy / Space Science - Event - 07.09.2017 
50 years of space exploration at the University of Bern
Media releases, information for representatives of the media Media Relations (E) This year, the University of Bern celebrates 50 years of space exploration.
Physics - Astronomy / Space Science - 06.09.2017 
Particle physicists on a quest for "new physics"
EPFL's physicists are moving forward in their efforts to solve the mysteries of the universe. A particle detector made up of 10,000 kilometers of scintillating fiber is under construction and will be added onto CERN's particle accelerator.
Astronomy / Space Science - Physics - 26.06.2017 
A gravity researcher in search of weightlessness
Lavinia Heisenberg is a theoretical physicist. She is reluctant to accept that General Relativity can be used to describe the universe only on the assumption of exotic materials and energy sources.
Astronomy / Space Science - 20.06.2017
Astronomy / Space Science - 22.05.2017 
The race to trace TRAPPIST-1h
Media releases, information for representatives of the media Media Relations (E) After 60 hours of non-stop work, researchers at the University of Bern being part of an international team reached their hoped-for goal: They were the first to measure the orbital period for the outermost planet of the famous TRAPPIST-1 system which made headlines worldwide.
Astronomy / Space Science - Physics - 18.05.2017
Astronomy / Space Science - 11.04.2017
Physics - Astronomy / Space Science - 02.03.2017 
New "heart" for CERN’s CMS experiment
CERN's CMS experiment - one of the detectors at the Large Hadron Collider received a new heart today - a pixel detector much like a high-speed digital camera that snaps images up to 40 million times per second. Earlier today, physicists and engineers at CERN replaced the heart of the Compact Muon Solenoid ( CMS ) experiment, one of the two general purpose particle physics detectors that discovered the Higgs boson in 2012.
Astronomy / Space Science - 22.02.2017 
Seven terrestrial exoplanets around a nearby star
An international team of astronomers has discovered a compact analogue of our inner solar system about 40 light-years away. Brice-Olivier Demory of the Center of Space and Habitability at the University of Bern, analysed the data collected with NASA's Spitzer Space Telescope and calculated that the newly detected exoplanets all have masses less or similar to the Earth.
Astronomy / Space Science - Physics - 10.02.2017 
Ancient Signals From the Early Universe
For the first time, theoretical physicists from the University of Basel have calculated the signal of specific gravitational wave sources that emerged fractions of a second after the Big Bang. The source of the signal is a long-lost cosmological phenomenon called ‘oscillon'. The journal Physical Review Letters has published the results.
Astronomy / Space Science - 26.01.2017 
How fast is the universe expanding? Quasars provide an answer
The H0LiCOW collaboration, a cosmology project led by EPFL and Max Planck Institute and regrouping several research organizations in the world has made a new measurement of the Hubble constant, which indicates how fast the universe is expanding. The new measurement challenges some of the most recent ones, potentially pointing towards new physics beyond the standard cosmological model.
Astronomy / Space Science - Innovation - 02.12.2016
Astronomy / Space Science - 27.10.2016 
Finally red!
Empa researchers have pulled off a masterstroke of ceramics research: as of now, a dark-red ceramic bezel adorns a Swiss luxury watch - a world premiere and stunning example of top-flight materials science.
Astronomy / Space Science - Earth Sciences - 24.10.2016
Astronomy / Space Science - 21.10.2016
Astronomy / Space Science - Materials Science - 30.09.2016 
Rosetta’s momentous end
Rosetta's mission is over: After the last signal at 13:20, the spacecraft was crash-landed on comet Churyumov-Gerasimenko, with the ROSINA instrument from Bern taking measurements right until the very end.
Astronomy / Space Science - 29.09.2016
Astronomy / Space Science - Media - 27.09.2016
Astronomy / Space Science - 23.09.2016 
SwissCube: seven years in space and still active
23.09.16 - The little Swiss satellite was launched on 23 September 2009 and continues to send back regular reports.
Astronomy / Space Science - Innovation - 05.09.2016
Environment - Astronomy / Space Science - 11.08.2016
Astronomy / Space Science - Materials Science - 09.08.2016 
Eureca? on yet another journey
The much-travelled European research satellite Eureca was taken from the aerospace exhibition in the Swiss Museum of Transport in Lucerne and loaded onto a truck before setting off on yet another adventure.
Astronomy / Space Science - Physics - 18.07.2016 
Hitching a ride to gamma-ray bursts
POLAR detector developed at the PSI flies into orbit with a Chinese space mission Researchers working with Wojciech Hajdas at the Paul Scherrer Institute PSI have developed a detector called POLAR. This instrument is expected to search out and investigate so-called gamma ray bursts coming from the depths of the universe.
Astronomy / Space Science - 01.04.2016 
Lumpi makes historical trip to the 4th dimension
01.04.16 - A Chihuahua has traveled across EPFL's miniature black hole and entered the fourth dimension.
Astronomy / Space Science - Health - 30.03.2016 
3000 drawings for CHEOPS space mission on the Web
Media releases, information for representatives of the media Media Relations (E) Children in Switzerland and all over Europe made thousands of imaginative drawings of stars, planets, rockets, satellites, and aliens.
Astronomy / Space Science - Physics - 25.11.2015
Astronomy / Space Science - Environment - 21.10.2015 
Gas variations are suggestive of seasons on comet Chury
Comet 67P/Churyumov-Gerasimenko continues to reveal more of its secrets: Researchers in Bern have detected considerable variations in the gas escaping from the comet. This could amount to seasonal changes on the tiny celestial body. Meanwhile, the camera OSIRIS on board the Rosetta comet probe is revealing new details of the surface of «Chury».
Astronomy / Space Science - 20.10.2015 
Comets: Soft shell, hard core?
Comet Churyumov-Gerasimenko poses new riddles: Surface material measurements performed by the «Philae» landing module indicate that the near surface material might have changed since its formation. Up to now, many researchers had assumed that it has remained in virtually the same state since its formation about 4.5 billion years ago.
Astronomy / Space Science - 20.10.2015
Astronomy / Space Science - 20.10.2015 
Looking for extra-terrestrial life in alien oceans
Great honour for Nicolas Thomas from the University of Berne: The scientist was selected as part of the imaging team for NASA's Europa Clipper mission.
Astronomy / Space Science - Event - 31.08.2015
Physics - Astronomy / Space Science - 13.05.2015
Physics - Astronomy / Space Science - 22.04.2015
Physics - Astronomy / Space Science - 15.04.2015
Astronomy / Space Science - Art and Design - 16.03.2015
Life Sciences - Astronomy / Space Science - 03.01.2015 
2014 - Science That Made Headlines (3)
This year a great deal of research done at EPFL made the headlines in newspapers. Here are a few that marked the months of September to December.
Astronomy / Space Science - Physics - 15.12.2014
Physics - Astronomy / Space Science - 07.07.2014
Astronomy / Space Science - Physics - 08.04.2014
Physics - Astronomy / Space Science - 19.07.2013
Physics - Astronomy / Space Science - 04.07.2013
Astronomy/Space Science
Results 51 - 100 of 119.
A day as a young scientist
Physics isn't everyone's favourite subject. At the iLab of the Paul Scherrer Institute PSI, students experience the material in a different way: with experiments instead of memorising formulas.
Physics isn't everyone's favourite subject. At the iLab of the Paul Scherrer Institute PSI, students experience the material in a different way: with experiments instead of memorising formulas.
The Mars camera CaSSIS on the ExoMars Trace Gas Orbiter has returned its first colour images of the red planet.
Construction of the space telescope CHEOPS is finished. The engineers from the Center for Space and Habitability (CSH) at the University of Bern will package the instrument this week and send it to Madrid, where it will be integrated on the satellite platform.
Astronomers have examined the distribution and movement of dwarf galaxies in the constellation Centaurus, but their observations do not fit with the standard model of cosmology that assumes the existence of dark matter. The international team of researchers led by the University of Basel reported their findings .
Just 25 years ago, Vaud astronaut Claude Nicollier boarded the Space Shuttle Atlantis for the first of what would be four missions in space.
Administrative enquiry opened
ETH Zurich is launching an administrative enquiry into allegations made in the Department of Physics.
ETH Zurich is launching an administrative enquiry into allegations made in the Department of Physics.
The observation of gravitational waves last year captivated professionals in the field. Experts, including at ETH Zurich, expected that this discovery would be awarded the Nobel Prize in Physics.
Media releases, information for representatives of the media Media Relations (E) This year, the University of Bern celebrates 50 years of space exploration.
EPFL's physicists are moving forward in their efforts to solve the mysteries of the universe. A particle detector made up of 10,000 kilometers of scintillating fiber is under construction and will be added onto CERN's particle accelerator.
Lavinia Heisenberg is a theoretical physicist. She is reluctant to accept that General Relativity can be used to describe the universe only on the assumption of exotic materials and energy sources.
Switzerland in pole position in ESA’s new mission
Media releases, information for representatives of the media Media Relations (E) PLATO, the largest European exoplanet research mission, was adopted on 20 June 2017 by the European Space Agency at the ESA Scientific Programs Committee meeting. The Universities of Bern and Geneva are heavily involved in this mission, which should enable astronomers to discover and characterize planets the size of the Earth and the "super 'Earths" that orbit around solar type stars in their habitable zone.
Media releases, information for representatives of the media Media Relations (E) PLATO, the largest European exoplanet research mission, was adopted on 20 June 2017 by the European Space Agency at the ESA Scientific Programs Committee meeting. The Universities of Bern and Geneva are heavily involved in this mission, which should enable astronomers to discover and characterize planets the size of the Earth and the "super 'Earths" that orbit around solar type stars in their habitable zone.
Media releases, information for representatives of the media Media Relations (E) After 60 hours of non-stop work, researchers at the University of Bern being part of an international team reached their hoped-for goal: They were the first to measure the orbital period for the outermost planet of the famous TRAPPIST-1 system which made headlines worldwide.
XENON1T: the most sensitive detector on Earth
Dark matter is one of the basic constituents of the Universe, five times more abundant than ordinary matter.
Dark matter is one of the basic constituents of the Universe, five times more abundant than ordinary matter.
A lifelong fascination with planets
Watching Star Trek as a child first inspired Judit Szulágyi's fascination with planets and galaxies.
Watching Star Trek as a child first inspired Judit Szulágyi's fascination with planets and galaxies.
CERN's CMS experiment - one of the detectors at the Large Hadron Collider received a new heart today - a pixel detector much like a high-speed digital camera that snaps images up to 40 million times per second. Earlier today, physicists and engineers at CERN replaced the heart of the Compact Muon Solenoid ( CMS ) experiment, one of the two general purpose particle physics detectors that discovered the Higgs boson in 2012.
An international team of astronomers has discovered a compact analogue of our inner solar system about 40 light-years away. Brice-Olivier Demory of the Center of Space and Habitability at the University of Bern, analysed the data collected with NASA's Spitzer Space Telescope and calculated that the newly detected exoplanets all have masses less or similar to the Earth.
For the first time, theoretical physicists from the University of Basel have calculated the signal of specific gravitational wave sources that emerged fractions of a second after the Big Bang. The source of the signal is a long-lost cosmological phenomenon called ‘oscillon'. The journal Physical Review Letters has published the results.
The H0LiCOW collaboration, a cosmology project led by EPFL and Max Planck Institute and regrouping several research organizations in the world has made a new measurement of the Hubble constant, which indicates how fast the universe is expanding. The new measurement challenges some of the most recent ones, potentially pointing towards new physics beyond the standard cosmological model.
European Space Agency’s ESA successful Ministerial Council meeting in Switzerland
Bern, 02.12.2016 - The Ministers responsible for space affairs from ESA Member States came together on 1-2 December 2016 to make important decisions, namely on the strategy to ensure Eu
Bern, 02.12.2016 - The Ministers responsible for space affairs from ESA Member States came together on 1-2 December 2016 to make important decisions, namely on the strategy to ensure Eu
Empa researchers have pulled off a masterstroke of ceramics research: as of now, a dark-red ceramic bezel adorns a Swiss luxury watch - a world premiere and stunning example of top-flight materials science.
Swiss Researchers Fly Into Weightlessness
The dream of weightlessness came true on Saturday for two researchers from the University of Basel. During a parabolic flight, the scientists tested a newly developed measuring device under reduced gravity. The instrument analyzes the deposition of sediments and is intended to support the search for life on Mars.
The dream of weightlessness came true on Saturday for two researchers from the University of Basel. During a parabolic flight, the scientists tested a newly developed measuring device under reduced gravity. The instrument analyzes the deposition of sediments and is intended to support the search for life on Mars.
Second research flight into zero gravity
A year ago, the University of Zurich conducted its first parabolic flight for test purposes from Swiss soil. Now a second aircraft is ready for lift-off to research zero gravity: Tomorrow (Saturday), an Airbus A310 ZERO-G is set to take off from the air force base in Dübendorf equipped with scientific experiments from the Universities of Zurich, Basel, Lucerne and ETH Zurich.
A year ago, the University of Zurich conducted its first parabolic flight for test purposes from Swiss soil. Now a second aircraft is ready for lift-off to research zero gravity: Tomorrow (Saturday), an Airbus A310 ZERO-G is set to take off from the air force base in Dübendorf equipped with scientific experiments from the Universities of Zurich, Basel, Lucerne and ETH Zurich.
Rosetta's mission is over: After the last signal at 13:20, the spacecraft was crash-landed on comet Churyumov-Gerasimenko, with the ROSINA instrument from Bern taking measurements right until the very end.
So long and thanks for the probes
For twelve years, the space probe Rosetta served mankind. The European Space Agency (ESA) mission is now drawing to a close as the probe reaches its final resting place on the target comet Tschuri on September 30, 2016.
For twelve years, the space probe Rosetta served mankind. The European Space Agency (ESA) mission is now drawing to a close as the probe reaches its final resting place on the target comet Tschuri on September 30, 2016.
Rosetta, ESA’s historic mission, bids farewell after rendez-vous with comet Chury
Bern, 27.09.2016 - Rosetta is set to complete its mission in a controlled descent to the surface of its comet 67P/Churyumov-Gerasimenko on 30 September 2016.
Bern, 27.09.2016 - Rosetta is set to complete its mission in a controlled descent to the surface of its comet 67P/Churyumov-Gerasimenko on 30 September 2016.
23.09.16 - The little Swiss satellite was launched on 23 September 2009 and continues to send back regular reports.
First gravitational waves form after 10 million years
This simulation shows how two galaxies merge over a period of 15 millionen years. The red and the blue dots illustrate the two black holes (image: Astrophysical Journal).
This simulation shows how two galaxies merge over a period of 15 millionen years. The red and the blue dots illustrate the two black holes (image: Astrophysical Journal).
Fewer low clouds in the tropics
With the help of satellite data, ETH scientists have shown that low-level cloud cover in the tropics thins out as the earth warms. Since this cloud cover has a cooling effect on the climate, the two-degree warming target may therefore be reached earlier than many models have predicted. It is indisputable that greenhouse gases emitted into the atmosphere heat up our planet.
With the help of satellite data, ETH scientists have shown that low-level cloud cover in the tropics thins out as the earth warms. Since this cloud cover has a cooling effect on the climate, the two-degree warming target may therefore be reached earlier than many models have predicted. It is indisputable that greenhouse gases emitted into the atmosphere heat up our planet.
The much-travelled European research satellite Eureca was taken from the aerospace exhibition in the Swiss Museum of Transport in Lucerne and loaded onto a truck before setting off on yet another adventure.
POLAR detector developed at the PSI flies into orbit with a Chinese space mission Researchers working with Wojciech Hajdas at the Paul Scherrer Institute PSI have developed a detector called POLAR. This instrument is expected to search out and investigate so-called gamma ray bursts coming from the depths of the universe.
01.04.16 - A Chihuahua has traveled across EPFL's miniature black hole and entered the fourth dimension.
Media releases, information for representatives of the media Media Relations (E) Children in Switzerland and all over Europe made thousands of imaginative drawings of stars, planets, rockets, satellites, and aliens.
100 years of relativity and enthusiasm for bringing science to the pu
25.11.15 - Time and space are celebrating their 100th wedding anniversary. To mark the centenary of relativity theory, Anais Rassat and her cross-Channel accomplices have put Einstein front and center in an entertaining animated film.
25.11.15 - Time and space are celebrating their 100th wedding anniversary. To mark the centenary of relativity theory, Anais Rassat and her cross-Channel accomplices have put Einstein front and center in an entertaining animated film.
Comet 67P/Churyumov-Gerasimenko continues to reveal more of its secrets: Researchers in Bern have detected considerable variations in the gas escaping from the comet. This could amount to seasonal changes on the tiny celestial body. Meanwhile, the camera OSIRIS on board the Rosetta comet probe is revealing new details of the surface of «Chury».
Comet Churyumov-Gerasimenko poses new riddles: Surface material measurements performed by the «Philae» landing module indicate that the near surface material might have changed since its formation. Up to now, many researchers had assumed that it has remained in virtually the same state since its formation about 4.5 billion years ago.
How comets were assembled
Rosetta's target «Chury» and other comets observed by space missions show common evidence of layered structures and bi-lobed shapes. With 3D computer simulations Martin Jutzi, astrophysicist at the University of Bern, was able to reconstruct the formation of these features as a result of gentle collisions and mergers.
Rosetta's target «Chury» and other comets observed by space missions show common evidence of layered structures and bi-lobed shapes. With 3D computer simulations Martin Jutzi, astrophysicist at the University of Bern, was able to reconstruct the formation of these features as a result of gentle collisions and mergers.
Great honour for Nicolas Thomas from the University of Berne: The scientist was selected as part of the imaging team for NASA's Europa Clipper mission.
Lights on for Scientifica 2015
At Scientifica 2015, everything revolves around the theme of light. This weekend's event will feature 300 researchers from ETH and the University of Zurich presenting their work and explaining how they use light to observe and understand the world.
At Scientifica 2015, everything revolves around the theme of light. This weekend's event will feature 300 researchers from ETH and the University of Zurich presenting their work and explaining how they use light to observe and understand the world.
CMS and LHCb experiments reveal new rare particle decay
Event displays of a candidate B0 s particle decaying into two muons in the CMS detector (left - Image: CMS/CERN) and in the LHCb detector (right - Image: CMS/CERN) Geneva, 13 May 2015. In an article , the CMS and LHCb collaborations describe the first observation of the very rare decay of the B0 s particle into two muon particles.
Event displays of a candidate B0 s particle decaying into two muons in the CMS detector (left - Image: CMS/CERN) and in the LHCb detector (right - Image: CMS/CERN) Geneva, 13 May 2015. In an article , the CMS and LHCb collaborations describe the first observation of the very rare decay of the B0 s particle into two muon particles.
ICARUS neutrino experiment to move to Fermilab
Geneva, 22 April 2015. A group of scientists led by Nobel laureate Carlo Rubbia will transport the world's largest liquid-argon neutrino detector across the Atlantic Ocean from CERN to its new home at the U.S. Department of Energy' 2 s Fermi National Accelerator Laboratory 3 . The 760-ton, 20-metre-long detector took data for the ICARUS experiment at the Italian Institute for Nuclear Physics 4 ' (INFN) Gran Sasso National Laboratory in Italy from 2010 to 2014, using a beam of neutrinos sent through the earth from CERN.
Geneva, 22 April 2015. A group of scientists led by Nobel laureate Carlo Rubbia will transport the world's largest liquid-argon neutrino detector across the Atlantic Ocean from CERN to its new home at the U.S. Department of Energy' 2 s Fermi National Accelerator Laboratory 3 . The 760-ton, 20-metre-long detector took data for the ICARUS experiment at the Italian Institute for Nuclear Physics 4 ' (INFN) Gran Sasso National Laboratory in Italy from 2010 to 2014, using a beam of neutrinos sent through the earth from CERN.
Physics community to discuss latest results of the AMS experiment
Geneva, 15 April 2015. The Alpha Magnetic Spectrometer (AMS ) collaboration will present today the latest results in its quest to understand the origin of cosmic rays and dark matter. These intriguing results will be shared and discussed during the "AMS days" starting today at CERN 2 , with many of the world's leading theoretical physicists and principal investigators of some of the major experiments exploring the field of cosmic-ray physics.
Geneva, 15 April 2015. The Alpha Magnetic Spectrometer (AMS ) collaboration will present today the latest results in its quest to understand the origin of cosmic rays and dark matter. These intriguing results will be shared and discussed during the "AMS days" starting today at CERN 2 , with many of the world's leading theoretical physicists and principal investigators of some of the major experiments exploring the field of cosmic-ray physics.
This year a great deal of research done at EPFL made the headlines in newspapers. Here are a few that marked the months of September to December.
Researchers detect possible signal from dark matter
EPFL scientists have picked up an atypical photon emission in X-rays coming from space, and say it could be evidence for the existence of a particle of dark matter. If confirmed, it could open up new perspectives in cosmology. Could there finally be tangible evidence for the existence of dark matter in the Universe? After sifting through reams of X-ray data, scientists in EPFL's Laboratory of Particle Physics and Cosmology (LPPC) and Leiden University believe they could have identified the signal of a particle of dark matter.
EPFL scientists have picked up an atypical photon emission in X-rays coming from space, and say it could be evidence for the existence of a particle of dark matter. If confirmed, it could open up new perspectives in cosmology. Could there finally be tangible evidence for the existence of dark matter in the Universe? After sifting through reams of X-ray data, scientists in EPFL's Laboratory of Particle Physics and Cosmology (LPPC) and Leiden University believe they could have identified the signal of a particle of dark matter.
Results from CERN presented at ICHEP
Geneva, 7 July 2014. Speaking at press conference held during the 37 th International Conference on High Energy Physics, ICHEP, in Valencia, Spain this morning CERN Director General Rolf Heuer gave a resume of results from CERN that are being presented. The conference, which began last Thursday with three days of parallel sessions, now moves on to plenary sessions until Wednesday, summing up the current state of the art in the field.
Geneva, 7 July 2014. Speaking at press conference held during the 37 th International Conference on High Energy Physics, ICHEP, in Valencia, Spain this morning CERN Director General Rolf Heuer gave a resume of results from CERN that are being presented. The conference, which began last Thursday with three days of parallel sessions, now moves on to plenary sessions until Wednesday, summing up the current state of the art in the field.
Astral matter from the Paul Scherrer Institute
Media Releases Matter and Material Processes in stars recreated with isotopes from PSI To understand why chemical elements exist in certain amounts on Earth, processes that take place in exploding stars – supernovae – need to be studied. After all, much of the matter that makes up the earth was formed in a supernova billions of years ago and hurled into space by the explosion.
Media Releases Matter and Material Processes in stars recreated with isotopes from PSI To understand why chemical elements exist in certain amounts on Earth, processes that take place in exploding stars – supernovae – need to be studied. After all, much of the matter that makes up the earth was formed in a supernova billions of years ago and hurled into space by the explosion.
CERN experiments put Standard Model to stringent test
Geneva, 19 July 2013. New results to be presented at the EPS-HEP conference in Stockholm, Sweden, this afternoon have put the Standard Model of particle physics to one of its most stringent tests to date. The CMS and LHCb experiments at CERN's Large Hadron Collider will present measurements of one of the rarest measureable processes in physics: the decay of a B s (pronounced B-sub-s) particle into two muons.
Geneva, 19 July 2013. New results to be presented at the EPS-HEP conference in Stockholm, Sweden, this afternoon have put the Standard Model of particle physics to one of its most stringent tests to date. The CMS and LHCb experiments at CERN's Large Hadron Collider will present measurements of one of the rarest measureable processes in physics: the decay of a B s (pronounced B-sub-s) particle into two muons.
