The charm quark, charmed quark or c quark (from its symbol, c) is the third most massive of all quarks, a type of elementary particle. Charm quarks are found in hadrons, which are subatomic particles made of quarks. Examples of hadrons containing charm quarks include the J/ψ meson (J/ψ), D mesons (D), charmed Sigma baryons (Σc), and other charmed particles. It, along with the strange quark, is part of the second generation of matter, and has an electric charge of +2/3 e and a bare mass of 1.275+0.025−0.035 GeV/c2. Like all quarks, the charm quark is an elementary fermion with spin 1/2, and experiences all four fundamental interactions: gravitation, electromagnetism, weak interactions, and strong interactions. The antiparticle of the charm quark is the charm antiquark (sometimes called anticharm quark or simply anticharm), which differs from it only in that some of its properties have equal magnitude but opposite sign. The existence of a fourth quark had been speculated by a number of authors around 1964 (for instance by James Bjorken and Sheldon Glashow), but its prediction is usually credited to Sheldon Glashow, John Iliopoulos and Luciano Maiani in 1970 (see GIM mechanism). Glashow is quoted as saying, "We called our construct the 'charmed quark', for we were fascinated and pleased by the symmetry it brought to the subnuclear world." The first charmed particle (a particle containing a charm quark) to be discovered was the J/ψ meson. It was discovered in 1974 by a team at the Stanford Linear Accelerator Center (SLAC), led by Burton Richter, and one at the Brookhaven National Laboratory (BNL), led by Samuel Ting. The 1974 discovery of the J/ψ (and thus the charm quark) ushered in a series of breakthroughs which are collectively known as the November Revolution. (Wikipedia).
Particle Physics (13 of 41) Elementary Particles: What Is A Quark? (Part 1)
Visit http://ilectureonline.com for more math and science lectures! In this video I will give a detail description of quarks. Next video in the Particle Physics series can be seen at: https://youtu.be/De0U8fUBI7o
From playlist PHYSICS 65 PARTICLE PHYSICS
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From playlist Science Unplugged: Particle Physics
What are Quark Stars? Searching for these Exotic Objects
Astronomers have theorized there could be an intermediate stage between neutron stars and black holes called quark stars. Are they out there? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Follow us o
From playlist Supernovae
In this short video explainer, Universe Today publisher Fraser Cain investigates the most powerful objects in the Universe: quasars. In just the last few decades, our understanding of quasars has developed in leaps and bounds. We now know what they are. And so will you. http://www.unive
From playlist Guide to Space
Do Quark Stars and Planets Exist...and Did We Find One?
You can buy Universe Sandbox 2 game here: http://amzn.to/2yJqwU6 Hello and welcome to What Da Math! In this video, we will talk about the reality of quark stars and what they represent. Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdama
From playlist Space Engine
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From playlist Science Unplugged: General Relativity
Astronomy - Ch. 27: Quasars (1 of 14) What Are Quasars?
Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 We will learn what is a quasar. A quasar (QUASi StellaR) is a very luminous object, initially discovered by the emission of powerful
From playlist ASTRONOMY 27 QUASARS
Symmetries show up everywhere in physics. But what is a symmetry? While the symmetries of shapes can be interesting, a lot of times, we are more interested in symmetries of space or symmetries of spacetime. To describe these, we need to build "invariants" which give a mathematical represen
From playlist Relativity
Exotic Quark Star or Something Else Mysterious Discovered In the Milky Way
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From playlist Mysteries of the Universe
We Still Don't Know What Protons Are
Visit https://brilliant.org/scishow/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. Protons make up most of the regular matter int he universe, and we're still figuring out a few of their quirks... Or quarks. Hosted b
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Groundbreaking Proton Discovery That May Rewrite Science Textbooks
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From playlist Physics
Meet CERN's New Particle: A Double-Charm Baryon!
This week, CERN announced a new particle that will help further understanding of the fundamental forces, and a simulation of ancient creatures may give us a clue as to how life grew beyond the microscopic. Anker SoundCore Boost: http://amzn.to/2tIVfzd Hosted by: Hank Green ---------- Supp
From playlist Uploads
Studying thermal QCD matter on the lattice (LQCD1 - Lecture 4) by Peter Petreczky
PROGRAM THE MYRIAD COLORFUL WAYS OF UNDERSTANDING EXTREME QCD MATTER ORGANIZERS: Ayan Mukhopadhyay, Sayantan Sharma and Ravindran V DATE: 01 April 2019 to 17 April 2019 VENUE: Ramanujan Lecture Hall, ICTS Bangalore Strongly interacting phases of QCD matter at extreme temperature and
From playlist The Myriad Colorful Ways of Understanding Extreme QCD Matter 2019
Lecture 5 | New Revolutions in Particle Physics: Standard Model
(February 8, 2010) Professor Leonard Susskind discusses gauge theories. This course is a continuation of the Fall quarter on particle physics. The material will focus on the Standard Model of particle physics, especially quantum chromodynamics (the theory of quarks) and the electroweak th
From playlist Lecture Collection | Particle Physics: Standard Model
Particle Physics (15 of 41) Elementary Particles: How Are Baryons Made From Quarks?
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain how baryons are made from quarks. Next video in the Particle Physics series can be seen at: https://youtu.be/uxbIJP1_Ces
From playlist PHYSICS 65 PARTICLE PHYSICS
Additional footage from Sixty Symbols video about quarks... Main video is at http://www.youtube.com/watch?v=Dv22e62S4-0
From playlist Sixty Symbols - Behind the Scenes
How to Name Meson Resonances | Particle Physics
▶ Topics ◀ Mesons, Resonances, Parity, Charge Conjugation, Spin ▶ Social Media ◀ [Instagram] @prettymuchvideo ▶ Music ◀ TheFatRat - Fly Away feat. Anjulie https://open.spotify.com/track/1DfFHyrenAJbqsLcpRiOD9 ▶ Source ◀ http://pdg.lbl.gov/2016/reviews/rpp2016-rev-naming-scheme-hadrons.p
From playlist Particle Physics
Particle Physics 6: Particles & Supersymmetry
Part 6 of a series: nature's designer particles and the possibility of supersymmetric particles
From playlist Particle Physics
Particle Physics (14 of 41) Elementary Particles: What Is A Quark? (Part 2)
Visit http://ilectureonline.com for more math and science lectures! In this video I will describe the physical aspects of a quark. Next video in the Particle Physics series can be seen at: https://youtu.be/Tokfrq-aJVk
From playlist PHYSICS 65 PARTICLE PHYSICS
The Weak Nuclear Force: Quantum Chameleon
Radioactive decay is the transmutation of one subatomic particle into another. In most instances, what happens is that existing particles move to new configurations. However in radioactive decays using the weak force, a particular kind of particle disappears and is replaced by a complete
From playlist Quantum Physics