![Comparison between RK measurements. The measurements by the BaBar and Belle collaborations combine B+→K+ℓ+ℓ− and B0→KS0ℓ+ℓ− decays, where ℓ is a lepton. The previous LHCb measurements and the new result [4], which supersedes them, are also shown.](http://portal-cdn.scnat.ch/asset/40d25219-cf32-5d7f-a344-d4356ccc9252/Screenshot%202021-03-23%20at%2007.10.12.png?b=7f50075d-36d9-5913-bc44-fac8e7e34457&v=9bd7e834-a6a8-55b6-a09e-b7a43d64781f_100&s=ZXCr4RK3qEJY7uCaZs-9pRZZZ8OZ8EVj3Rtyhyf2-qP-evQun65d57tCLxGqXtaTEoil2Qpqb3qILXWzeagdRAk0VyPfdvD6i55sqpj1txNkByqDDgqtsu4QPc8YaVnoTVyp_QF8cXZ9TucqIpINFjwWWfLF-52KvErWu9a54Gs&t=2f78dd92-7a22-4f43-a0bf-8326ef689cea&sc=2 "Comparison between RK measurements. The measurements by the BaBar and Belle collaborations combine B+→K+ℓ+ℓ− and B0→KS0ℓ+ℓ− decays, where ℓ is a lepton. The previous LHCb measurements and the new result [4], which supersedes them, are also shown.")
- Communiqué de presse
- Annonce
Lesya Shchutska is the Prize winner of the Prize Latsis in 2023
Image : SNSF, Mathilda Olmi1/17- Communiqué de presse
- Annonce
CHIPP Prize 2023: On a course to discovery
Image : Anne-Mazarine Lyon2/17- Communiqué de presse
- Annonce
New flavour for Basel
Image : Admir Greljo3/17- Communiqué de presse
- Annonce
Order through kaons
Image : Radoslav Marchevski4/17Strategic Workshops & Documents
5/17- Communiqué de presse
- Annonce
First sighting of neutrinos from a collider collision
Image : Anna Sfyrla6/17- Communiqué de presse
- Annonce
“Strange animals” in the spotlight
Image : U. Bern7/17Women In Science
Image : CHIPP8/17PhD School
Image : CHIPP9/17- Communiqué de presse
- Annonce
Hopp Higgs!
Image : FERMILAB10/17Higgs@10
11/17- Communiqué de presse
- Annonce
Making (gravitational) waves in Switzerland
Image : Bild: R. Williams (STScI), Hubble Deep Field Team und NASA12/17- Communiqué de presse
- Annonce
Gabriel Cuomo receives the CHIPP Prize 2021
Image : G. Cuomo13/17- Communiqué de presse
- Annonce
Recent Results from LHCb Challenge Leading Theory in Physics
Image : LHCb, CERN14/17- 2021
- Rapport
CHIPP Roadmap
Image : SCNAT15/17- Communiqué de presse
- Annonce
Two dark matter detector heavyweights join forces to build new observatory
Image : XENON experiment16/17- Communiqué de presse
- Annonce
Leading Xenon Researchers unite to build next-generation Dark Matter Detector
Image : XENON collaboration17/17
The Swiss Institute of Particle Physics (CHIPP) is the bottom-up organisation of Swiss particle and astroparticle physics researchers in Switzerland as a legal entity of Swiss law. CHIPP is tasked with coordinating the national efforts in the realm of particle and astroparticle physics.
This is achieved by keeping a continuous dialogue between the particle physicists of different cantonal universities and federal institutes. CHIPP is recognized as the representative of Swiss particle physics both nationally and internationally. It awards yearly a Prize to a PhD student, supports workshops and conferences, organises PhD schools, and develops outreach projects.
Événements, Annonces, Publications
Antihydrogen: check! GBAR completes key step in antimatter research
Positrons: in their cloud. Antiprotons: generated. Deceleration: achieved. Mixing: check! The antimatter experiment GBAR has just published a paper in which it reports on their first detected antihydrogen atoms. This is a key step towards the ultimate goal of antimatter research: finding a reason for the asymmetry between matter and antimatter.
Image : Sarah Geffroy
CHIPP Prize 2023: On a course to discovery
This year’s CHIPP prizewinner Anne-Mazarine Lyon hunts for signs of new physics in the form of supersymmetric particles and heavy neutrinos.
Image : Anne-Mazarine Lyon
New flavour for Basel
Today we would like you to meet one of the University of Basel’s latest additions in the sciences: tenure-track Assistant Professor Admir Greljo. He joined the university’s physics department in spring and has brought lots of plans and ideas in his luggage. Find out how a childhood in a war influenced his career and how he hopes to solve the mystery of the different flavours in particle physics …
Image : Admir Greljo
Order through kaons
The inventory of Swiss particle physics has just opened a new register for a new kind of research: thanks to EPFL assistant professor Radoslav Marchevski, it can add kaon physics to its list. The Bulgarian scientist, who did his undergraduate studies in Sofia, Bulgaria and his graduate studies in Mainz, Germany, joined the ranks of Swiss academia at the beginning of the year and brought his specialty particle with him.
Image : Radoslav Marchevski
First sighting of neutrinos from a collider collision
It’s a first in the world of physics: the FASER and SND@LHC experiments at CERN have seen first ever confirmed evidence of a neutrino produced in a particle collision at a collider. Both experiments specialise in weakly interacting particles to look for as yet unknown physics phenomena, and scientists hope that this new result will ultimately lead to a better understanding of neutrinos themselves, and with that to a range of open questions in particle physics.
Image : Anna Sfyrla
“Strange animals” in the spotlight
When protons or ions collide with targets or each other, they produce lots of new particles. Some of these are wanted, some are unwanted, but whatever their desired status – they need to be well understood. Neutrons, which belong to these products, are a particular challenge. Their characteristics such as their energy, direction and number are a pain to measure, but knowing them well brings many advantages to various branches of science and its applications. A novel experimental approach based on a new neutron spectrometer recently tested by members of the Laboratory for High-Energy Physics at the University of Bern in collaboration with Politecnico di Milano and its spin-off company Raylab yields promising results that appear to be even more versatile than expected.
Image : U. BernContact
Swiss Institute of Particle Physics (CHIPP)
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