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High Energy, Nuclear, Particle Physics Forum

Join expert discussion on High Energy, Nuclear, Particle Physics. Properties, relationships, and interactions of subatomic particles. Experimental and theoretical physics of nuclei and elementary particles.

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The concept of parity and it's significance

Apr 10, 2013 · Replies 2 · Apr 12, 2013

Replies: 2

Views: 6K

Psuedoscalar Mesons - why is there an eta and an eta prime?

Apr 10, 2013 · Replies 5 · Apr 11, 2013

Replies: 5

Views: 4K

Is Mirror Matter Still Considered a Viable Hypothesis Among Physicists?

Apr 8, 2013 · Replies 12 · Apr 10, 2013

Replies: 12

Views: 3K

Why does the range of an inter. vary inv. w/ the mass of its mediator?

Apr 8, 2013 · Replies 2 · Apr 8, 2013

Replies: 2

Views: 2K

Find Nucleus Radius: Mass vs. Formula

Apr 4, 2013 · Replies 4 · Apr 8, 2013

Replies: 4

Views: 4K

The Mystery of 8 Gluons: Uncovering the Secrets of Particle Physics

Mar 31, 2013 · Replies 27 · Apr 6, 2013

Replies: 27

Views: 7K

Question on electron-positron scattering

Apr 2, 2013 · Replies 2 · Apr 5, 2013

Replies: 2

Views: 2K

Weak Interaction-QED Interactions

Apr 4, 2013 · Replies 6 · Apr 4, 2013

Replies: 6

Views: 3K

Does Carbon Dating Take into Account Organisms' Preference for Lighter Isotopes?

Apr 4, 2013 · Replies 1 · Apr 4, 2013

Replies: 1

Views: 2K

Is Lithium-6 Deuteride a Legal and Efficient Hydrogen Storage Option?

Jun 15, 2009 · Replies 19 · Apr 4, 2013

Replies: 19

Views: 46K

What happens to the gluon linking Quarks at time of formation of quark

Apr 3, 2013 · Replies 2 · Apr 3, 2013

Replies: 2

Views: 2K

Tunneling to a lower energy vacuum state

Apr 2, 2013 · Replies 9 · Apr 3, 2013

Replies: 9

Views: 3K

Can neutrinos cause Cherenkov radiation?

Apr 2, 2013 · Replies 7 · Apr 3, 2013

Replies: 7

Views: 4K

Understanding the Intrinsic Parity of Quarks and Antiquarks

Apr 3, 2013 · Replies 2 · Apr 3, 2013

Replies: 2

Views: 5K

What does it mean, The Higgs boson is an excitation of the higgs field

Apr 2, 2013 · Replies 11 · Apr 3, 2013

Replies: 11

Views: 9K

Sign of the time derivative of the Majorana Lagrangian

Mar 31, 2013 · Replies 1 · Apr 1, 2013

Replies: 1

Views: 2K

Higgs, neutrinos, and standard model status

Mar 30, 2013 · Replies 1 · Mar 30, 2013

Replies: 1

Views: 2K

Two easy questions for particle physicists

Mar 28, 2013 · Replies 11 · Mar 30, 2013

Replies: 11

Views: 3K

QFT Beginner Seeks Help: Photon Self Energy Feynman Diagram

Mar 30, 2013 · Replies 2 · Mar 30, 2013

Replies: 2

Views: 3K

Do Particle-Antiparticle Annihilations Emit Detectable X-rays in Space?

Mar 29, 2013 · Replies 8 · Mar 30, 2013

Replies: 8

Views: 2K

Superstring Theory: Latest Discoveries & Implications

Mar 23, 2013 · Replies 5 · Mar 30, 2013

Replies: 5

Views: 2K

Top strange bottom charm quark

Mar 29, 2013 · Replies 4 · Mar 29, 2013

Replies: 4

Views: 3K

Dimensional analysis of the fermion mass renormalization

Mar 29, 2013 · Replies 2 · Mar 29, 2013

Replies: 2

Views: 3K

Accelerator size and probe scale relationship?

Mar 28, 2013 · Replies 1 · Mar 28, 2013

Replies: 1

Views: 2K

What is a neutron? (if not an electron inside a proton)

Mar 25, 2013 · Replies 7 · Mar 26, 2013

Replies: 7

Views: 4K

Convention for italicizing particle symbols

Mar 26, 2013 · Replies 1 · Mar 26, 2013

Replies: 1

Views: 2K

Understanding Colour Octet States in SU(3) Transformations

Feb 21, 2013 · Replies 11 · Mar 26, 2013

Replies: 11

Views: 4K

Spin of Particle and Antiparticle: Same or Different?

Mar 7, 2011 · Replies 4 · Mar 25, 2013

Replies: 4

Views: 9K

Changing Particle Spin: How to Change & Detect Orientation

Mar 25, 2013 · Replies 1 · Mar 25, 2013

Replies: 1

Views: 2K

How Are Positrons Created in Particle Accelerators?

Mar 15, 2013 · Replies 6 · Mar 25, 2013

Replies: 6

Views: 5K

Pair-production - how come it's always e+e-, never muons or tauons?

Mar 17, 2013 · Replies 12 · Mar 25, 2013

Replies: 12

Views: 4K

Ionizing Radiation in a Cloud Chamber

Mar 23, 2013 · Replies 8 · Mar 24, 2013

Replies: 8

Views: 3K

Klein Nishina Formula: History, Importance & Proving

Mar 19, 2013 · Replies 7 · Mar 23, 2013

Replies: 7

Views: 3K

Why Higgs produces different masses for electron and muon

Mar 22, 2013 · Replies 4 · Mar 22, 2013

Replies: 4

Views: 2K

Higgs - interactions and forces; distinction between these?

Mar 16, 2013 · Replies 17 · Mar 22, 2013

Replies: 17

Views: 3K

Confirmed: Higgs Particle Discovered at CERN

Mar 20, 2013 · Replies 2 · Mar 21, 2013

Replies: 2

Views: 2K

What is the significance of the Higgs Boson in understanding the universe?

Mar 20, 2013 · Replies 5 · Mar 21, 2013

Replies: 5

Views: 2K

How do mesons not self-destruct?

Mar 20, 2013 · Replies 1 · Mar 20, 2013

Replies: 1

Views: 2K

Are fundermental particles failed universes?

Mar 19, 2013 · Replies 5 · Mar 20, 2013

Replies: 5

Views: 2K

Identification of radiation source from gamma spectrum peaks.

Mar 18, 2013 · Replies 2 · Mar 19, 2013

Replies: 2

Views: 3K

Antineutrons, protons, electrons

Mar 18, 2013 · Replies 1 · Mar 18, 2013

Replies: 1

Views: 2K

What is the diference between right handed neutrinos And quarks?

Mar 17, 2013 · Replies 3 · Mar 18, 2013

Replies: 3

Views: 3K

Parity violation in weak decays

Mar 8, 2013 · Replies 3 · Mar 18, 2013

Replies: 3

Views: 3K

Boltzmann distribution for particle energy

Mar 9, 2013 · Replies 16 · Mar 18, 2013

Replies: 16

Views: 5K

Fermi energy of nucleus

Mar 16, 2013 · Replies 6 · Mar 17, 2013

Replies: 6

Views: 7K

Simple group theory vocabulary issue

Mar 17, 2013 · Replies 2 · Mar 17, 2013

Replies: 2

Views: 2K

How big is the standard model?

Mar 16, 2013 · Replies 10 · Mar 17, 2013

Replies: 10

Views: 3K

Question on whether positron/Down Quark can be fused.

Mar 14, 2013 · Replies 5 · Mar 16, 2013

Replies: 5

Views: 2K

Why do some radioactive elements emit a green glow?

Mar 16, 2013 · Replies 3 · Mar 16, 2013

Replies: 3

Views: 3K

New results indicate that new particle is a Higgs boson

Mar 14, 2013 · Replies 11 · Mar 16, 2013

Replies: 11

Views: 4K

Neutral pseudo meson decay into neutrino antineutrino

Mar 15, 2013 · Replies 2 · Mar 15, 2013

Replies: 2

Views: 2K

Why quarks' wave functions are eigenstates of I and Iz

Mar 12, 2013 · Replies 9 · Mar 15, 2013

Replies: 9

Views: 2K

Question about the Majorana mass term

Mar 11, 2013 · Replies 8 · Mar 15, 2013

Replies: 8

Views: 3K

Can Lattice Size Changes Reveal the Quantization of Space-Time?

Mar 15, 2013 · Replies 1 · Mar 15, 2013

Replies: 1

Views: 2K

Luminosity, Intensity and flux

Mar 15, 2013 · Replies 1 · Mar 15, 2013

Replies: 1

Views: 3K

Is There a Relationship Between Phase Space and Entropy in Particle Decay?

Mar 15, 2013 · Replies 1 · Mar 15, 2013

Replies: 1

Views: 2K

Global Symmetries: Understanding ##T^a##s and (1.10)

Mar 13, 2013 · Replies 1 · Mar 14, 2013

Replies: 1

Views: 2K

Magnitude of Fissile Element at the Order of a Neutron.

Mar 14, 2013 · Replies 1 · Mar 14, 2013

Replies: 1

Views: 2K

Particle Physics: Strong & Weak Force Equations & Math

Mar 14, 2013 · Replies 1 · Mar 14, 2013

Replies: 1

Views: 2K

Can Plasma Be Polarized and How Does It Interact with Electric Currents?

Mar 13, 2013 · Replies 2 · Mar 14, 2013

Replies: 2

Views: 2K

Question about the number of particles in the standard model.

Mar 13, 2013 · Replies 8 · Mar 13, 2013

Replies: 8

Views: 2K

Holes=positrons in the Dirac Sea?

Mar 12, 2013 · Replies 2 · Mar 13, 2013

Replies: 2

Views: 2K

Question about the matrix of vacuum to meson

Mar 12, 2013 · Replies 1 · Mar 13, 2013

Replies: 1

Views: 3K

Identifying trails in a Cloud Chamber

Mar 12, 2013 · Replies 2 · Mar 13, 2013

Replies: 2

Views: 8K

Elementary/irreducible particles

Mar 11, 2013 · Replies 5 · Mar 12, 2013

Replies: 5

Views: 2K

Energy Reconstruction in Gamma Spectroscopy

Mar 11, 2013 · Replies 5 · Mar 12, 2013

Replies: 5

Views: 3K

Why did we search for higgs boson when we knew it couldn't be useful?

Mar 8, 2013 · Replies 23 · Mar 11, 2013

Replies: 23

Views: 4K

Electron as a solution to Maxwell's Eqns

Mar 10, 2013 · Replies 5 · Mar 11, 2013

Replies: 5

Views: 2K

How the 3 atoms of Ununoctium were produced?

Mar 10, 2013 · Replies 2 · Mar 10, 2013

Replies: 2

Views: 1K

What are classons and weakons particles?

Mar 5, 2013 · Replies 3 · Mar 10, 2013

Replies: 3

Views: 2K

Energy-mass equiliance and mass defect

Mar 8, 2013 · Replies 4 · Mar 10, 2013

Replies: 4

Views: 3K

What are the SU(3) structure constants and how can they be calculated?

Mar 8, 2013 · Replies 3 · Mar 9, 2013

Replies: 3

Views: 4K

H -> W+W- -> e+e- Why are the electron/positron collimated?

Mar 5, 2013 · Replies 8 · Mar 8, 2013

Replies: 8

Views: 4K

Statement about Forbidden Alpha decay transitions.

Mar 6, 2013 · Replies 3 · Mar 7, 2013

Replies: 3

Views: 2K

Lie groups & Lie Algebras in Nuclear & Particle Physics

Mar 6, 2013 · Replies 1 · Mar 6, 2013

Replies: 1

Views: 2K

How do I determine the half life of an alpha particle?

Mar 5, 2013 · Replies 9 · Mar 6, 2013

Replies: 9

Views: 3K

ITER Test Blanket Modules: Design & Purpose

Mar 4, 2013 · Replies 1 · Mar 4, 2013

Replies: 1

Views: 2K

Why is the speed of light a constant in relativity?

Mar 2, 2013 · Replies 3 · Mar 2, 2013

Replies: 3

Views: 2K

Understanding the G- and C-parity of the pi^0 decay

Feb 28, 2013 · Replies 3 · Mar 1, 2013

Replies: 3

Views: 3K

Energy dissipated by a nuclear fission

Feb 28, 2013 · Replies 1 · Feb 28, 2013

Replies: 1

Views: 3K

NASA's LENR: Weak Interaction Theory, Peer-Reviewed Publications & Evidence

Feb 21, 2013 · Replies 6 · Feb 25, 2013

Replies: 6

Views: 5K

Why do nuclei like Uranium and Thorium have such long half lives?

Feb 23, 2013 · Replies 8 · Feb 24, 2013

Replies: 8

Views: 3K

Explanation of quadratic divergence in higgs mechanism

Feb 23, 2013 · Replies 3 · Feb 24, 2013

Replies: 3

Views: 2K

Decay rate and lifetime of Z Boson

Feb 23, 2013 · Replies 2 · Feb 24, 2013

Replies: 2

Views: 7K

How Do Quark Spin States Influence Particle Symmetry and Identification?

Feb 23, 2013 · Replies 5 · Feb 23, 2013

Replies: 5

Views: 2K

Understanding the Differences Between Particles and Antiparticles

Feb 22, 2013 · Replies 10 · Feb 23, 2013

Replies: 10

Views: 4K

Dark matter, electron-positron

Feb 19, 2013 · Replies 6 · Feb 23, 2013

Replies: 6

Views: 3K

Why the Casimir operator is proportional to the unit matrix ?

Feb 22, 2013 · Replies 2 · Feb 22, 2013

Replies: 2

Views: 3K

Is spin one still possible for the Higgs?

Feb 22, 2013 · Replies 2 · Feb 22, 2013

Replies: 2

Views: 2K

Numerical integration of Bethe formula in Excel: help

Feb 21, 2013 · Replies 1 · Feb 21, 2013

Replies: 1

Views: 4K

Is Information Preserved in Annihilation Processes?

Feb 21, 2013 · Replies 1 · Feb 21, 2013

Replies: 1

Views: 2K

Duration of Radioactive Contamination

Feb 20, 2013 · Replies 5 · Feb 21, 2013

Replies: 5

Views: 4K

2 dimensional chiral boson theory

Nov 23, 2012 · Replies 2 · Feb 21, 2013

Replies: 2

Views: 4K

How is the error in the expanded equation (9) identified and resolved?

Feb 1, 2013 · Replies 2 · Feb 20, 2013

Replies: 2

Views: 2K

Can We Create Elements Higher Than Helium in a Terrestrial Fusion Reactor?

Feb 11, 2013 · Replies 16 · Feb 20, 2013

Replies: 16

Views: 5K

Is the Higgs Mass Linked to Vacuum Instability?

Feb 20, 2013 · Replies 2 · Feb 20, 2013

Replies: 2

Views: 3K

Variation in radioactive decay rates

Feb 19, 2013 · Replies 3 · Feb 19, 2013

Replies: 3

Views: 5K

Uncovering the Mystery of Mass Gain in Special Relativity

Feb 19, 2013 · Replies 4 · Feb 19, 2013

Replies: 4

Views: 2K

Understanding Neutral Pions: Superpositions, Particles, & Feynman Diagrams

Feb 18, 2013 · Replies 2 · Feb 19, 2013

Replies: 2

Views: 3K

Higgs Boson = Universe is False Vacuum?

Feb 18, 2013 · Replies 1 · Feb 19, 2013

Replies: 1

Views: 5K

Particle Physics

Welcome to the Particle Physics forum!

Particle physics is a branch of physics that explores the fundamental constituents of matter and the forces acting upon them at the smallest scales. It involves the study of subatomic particles, such as quarks, leptons, and bosons, and their interactions.

Particle accelerators and detectors are crucial tools in this field, allowing scientists to probe the properties of particles by colliding them at high energies. The Standard Model of particle physics encapsulates our current understanding of these elementary particles and their interactions, but researchers continually seek to expand this framework and explore phenomena such as dark matter and dark energy.

Particle physics plays a central role in unraveling the fundamental nature of the universe, helping us comprehend the building blocks that form all matter and the forces governing their behavior.

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