Search Nerddpedia

Physics Encyclopedia Entry 1778282824

** The **Higgs Boson**, a fundamental particle discovered in 2012, plays a crucial role in the **Standard Model of particle physics**, explaining how particles acquire mass. ## Overview The **Higgs Boson** is an elementary particle predicted by the **Standard Model of particle physics** to be responsible for giving other particles mass. It is named after physicist **Peter Higgs**, who proposed the existence of this particle in 1964. The **Higgs Boson** is a scalar boson, a type of particle that carries a force, and is the quanta of the **Higgs field**, a field that permeates all of space. The **Higgs Boson** was discovered on July 4, 2012, at **CERN** (European Organization for Nuclear Research) in Geneva, Switzerland, using the **Large Hadron Collider (LHC)**, a powerful particle accelerator. The discovery was announced on March 14, 2013, by **CERN** scientists, marking a major milestone in the history of particle physics. ## History/Background The concept of the **Higgs Boson** was first proposed by **Peter Higgs** and **Robert Brout** in 1964, as a way to explain how particles acquire mass. They suggested that a field, now known as the **Higgs field**, permeates all of space and interacts with particles, giving them mass. This idea was later developed by **Gerald Guralnik**, **C. R. Hagen**, and **Tom Kibble**, who also predicted the existence of the **Higgs Boson**. The **Standard Model of particle physics**, which describes the behavior of fundamental particles and forces, was developed in the 1970s. The **Higgs Boson** was predicted to have a mass of around 125 GeV (gigaelectronvolts), which is a unit of energy. The search for the **Higgs Boson** began in the 1980s, but it wasn't until the **LHC** was built in the 2000s that the discovery became possible. ## Key Information The **Higgs Boson** has a mass of approximately 125.09 GeV, which is consistent with the predictions of the **Standard Model**. It is a scalar boson, meaning it has zero spin, and is the quanta of the **Higgs field**. The **Higgs Boson** decays into other particles, such as **b-quarks** and **tau leptons**, and its decay products are detected by sophisticated detectors, such as the **ATLAS** and **CMS** experiments. The discovery of the **Higgs Boson** has confirmed the existence of the **Higgs field**, which is a fundamental aspect of the **Standard Model**. It has also provided evidence for the existence of the **Higgs mechanism**, which explains how particles acquire mass. The discovery has also opened up new areas of research, such as the study of the **Higgs sector**, which is the part of the **Standard Model** that describes the behavior of the **Higgs field**. ## Significance The discovery of the **Higgs Boson** has significant implications for our understanding of the universe. It confirms the existence of the **Higgs field**, which is a fundamental aspect of the **Standard Model**. It also provides evidence for the existence of the **Higgs mechanism**, which explains how particles acquire mass. The discovery has also opened up new areas of research, such as the study of the **Higgs sector**, which is the part of the **Standard Model** that describes the behavior of the **Higgs field**. The discovery of the **Higgs Boson** has also led to a deeper understanding of the **Standard Model** and its limitations. It has also raised new questions, such as the existence of new physics beyond the **Standard Model**, which could explain phenomena such as dark matter and dark energy. INFOBOX: - Name: Higgs Boson - Type: Elementary particle - Date: 1964 (predicted), 2012 (discovered) - Location: CERN, Geneva, Switzerland - Known For: Confirmed the existence of the Higgs field and the Higgs mechanism, explaining how particles acquire mass TAGS: **Higgs Boson**, **Standard Model**, **Particle physics**, **CERN**, **Large Hadron Collider**, **Higgs field**, **Higgs mechanism**, **Elementary particle**, **Scalar boson**, **Quanta**, **Fundamental particle**