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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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How to simulate protons on a computer program to observe them?

Jan 12, 2016 · Replies 9 · Jan 25, 2016

Replies: 9

Views: 3K

Undergrad How can Gluon travel at speed of light?

Jan 19, 2016 · Replies 19 · Jan 25, 2016

Replies: 19

Views: 4K

Understanding Kaon Antikaon Oscillation through the Two Body Problem

Jan 18, 2016 · Replies 10 · Jan 25, 2016

Replies: 10

Views: 2K

How Do Resonances Differ from Virtual States in Quantum Physics?

Jan 24, 2016 · Replies 2 · Jan 25, 2016

Replies: 2

Views: 2K

Calculate Baryons Annihilation Cross Sections

Dec 11, 2015 · Replies 2 · Jan 24, 2016

Replies: 2

Views: 2K

Graduate Po-210. Comparison of Gamma and Alpha spectrometry

Jan 22, 2016 · Replies 18 · Jan 24, 2016

Replies: 18

Views: 4K

Nuclear decay of a small number of atoms calculation

Jan 23, 2016 · Replies 10 · Jan 23, 2016

Replies: 10

Views: 2K

Calculating Eq.(23) from Eq.(15): Seeking Help!

Jan 22, 2016 · Replies 2 · Jan 23, 2016

Replies: 2

Views: 1K

Energy Excitation: Why Electron Emits Radiation

Jan 22, 2016 · Replies 6 · Jan 22, 2016

Replies: 6

Views: 1K

Peskin and Schroeder - page 4 - spin and cross section

Jan 21, 2016 · Replies 7 · Jan 22, 2016

Replies: 7

Views: 2K

Undergrad Proton / electron mass ratio equation

Jan 21, 2016 · Replies 8 · Jan 21, 2016

Replies: 8

Views: 3K

Question about conditions for Force Free Fields in plasma

Jan 20, 2016 · Replies 2 · Jan 21, 2016

Replies: 2

Views: 1K

Can electro-weak unification be tested at CERN?

Jan 16, 2016 · Replies 8 · Jan 20, 2016

Replies: 8

Views: 2K

Why are disconnected diagrams dropped from S-Matrix

Jan 20, 2016 · Replies 1 · Jan 20, 2016

Replies: 1

Views: 3K

Why does some reactions do't go to the fundamental state?

Jan 19, 2016 · Replies 1 · Jan 19, 2016

Replies: 1

Views: 970

How to know if a particle is on shell in general?

Jan 18, 2016 · Replies 2 · Jan 18, 2016

Replies: 2

Views: 1K

Effective operator and allowed loop level interactions

Jan 9, 2016 · Replies 3 · Jan 17, 2016

Replies: 3

Views: 2K

Fission neutron classification

Jan 16, 2016 · Replies 1 · Jan 17, 2016

Replies: 1

Views: 1K

Anti Proton vs Neutron annihilation

Jan 16, 2016 · Replies 4 · Jan 17, 2016

Replies: 4

Views: 4K

When is the total C-parity of two particles the product?

Jan 16, 2016 · Replies 1 · Jan 16, 2016

Replies: 1

Views: 2K

Electron capture in fully ionised nuclei

Jan 16, 2016 · Replies 2 · Jan 16, 2016

Replies: 2

Views: 1K

Loop correction for quartic Higgs coupling

Jan 13, 2016 · Replies 4 · Jan 16, 2016

Replies: 4

Views: 2K

The End of the Road: LHC Findings and the Fate of Physics

Jan 2, 2016 · Replies 7 · Jan 15, 2016

Replies: 7

Views: 2K

Materiality of elementary particles

Jan 13, 2016 · Replies 4 · Jan 15, 2016

Replies: 4

Views: 1K

Wave Particle Duality: Understanding Single Slit Experiment

Jan 10, 2016 · Replies 15 · Jan 14, 2016

Replies: 15

Views: 3K

What is the binding energy of H-1?

Jan 14, 2016 · Replies 9 · Jan 14, 2016

Replies: 9

Views: 3K

Feynman's approach to precision QED

Jan 9, 2016 · Replies 4 · Jan 14, 2016

Replies: 4

Views: 3K

What is the definition of the coefficient of linear and mass

Jan 12, 2016 · Replies 6 · Jan 13, 2016

Replies: 6

Views: 2K

What is the Model Independent Expectation Value for QCD Vacuum?

Jan 7, 2016 · Replies 2 · Jan 13, 2016

Replies: 2

Views: 2K

Yang-Mills theory, confinement and chiral symmetry breaking

Jan 6, 2016 · Replies 2 · Jan 12, 2016

Replies: 2

Views: 2K

Is it possible to fuse more than two atoms at once?

Jan 6, 2016 · Replies 8 · Jan 12, 2016

Replies: 8

Views: 3K

What is an elementary particle?

Jan 11, 2016 · Replies 8 · Jan 12, 2016

Replies: 8

Views: 2K

Designing a Fusion Reactor: Calculating Plasma Currents

Jan 10, 2016 · Replies 7 · Jan 11, 2016

Replies: 7

Views: 2K

How do I calculate the trace of SU(3) generators in the adjoint representation?

Jan 6, 2016 · Replies 13 · Jan 10, 2016

Replies: 13

Views: 8K

Is the LHC Beam Prevented from Falling at 9.81 m/s by Electromagnetic Fields?

Jan 9, 2016 · Replies 3 · Jan 9, 2016

Replies: 3

Views: 1K

Particle accelerator based nuclear fusion?

Jan 4, 2016 · Replies 6 · Jan 9, 2016

Replies: 6

Views: 3K

Why is the Strong Force Responsible for Pi+ + Proton -> K+ + X?

Jan 8, 2016 · Replies 6 · Jan 8, 2016

Replies: 6

Views: 2K

Symmetric or antisymmetric spontaneous fission

Jan 6, 2016 · Replies 12 · Jan 7, 2016

Replies: 12

Views: 3K

The definition of transverse amplitude in the process: ep→epπ

Dec 30, 2015 · Replies 2 · Jan 5, 2016

Replies: 2

Views: 2K

Dimension of a partial decay width

Dec 23, 2015 · Replies 4 · Jan 3, 2016

Replies: 4

Views: 2K

Secondary effect of Electron capture and Internal conversion

Jan 3, 2016 · Replies 1 · Jan 3, 2016

Replies: 1

Views: 2K

Beta function of electroweak theory

Dec 22, 2015 · Replies 6 · Jan 3, 2016

Replies: 6

Views: 4K

Experimental Signatures of Neutral Pion Decay at High Energies

Jan 1, 2016 · Replies 10 · Jan 2, 2016

Replies: 10

Views: 4K

Probability of finding a particle at X?

Jan 1, 2016 · Replies 3 · Jan 1, 2016

Replies: 3

Views: 1K

X-ray production - maximum pressure

Dec 30, 2015 · Replies 4 · Dec 31, 2015

Replies: 4

Views: 2K

Do Pair Produced Particles Always Have Opposite Spins?

Dec 28, 2015 · Replies 11 · Dec 30, 2015

Replies: 11

Views: 4K

CP violation and allowed interactions

Dec 25, 2015 · Replies 1 · Dec 29, 2015

Replies: 1

Views: 2K

Anti hydrogen - hydrogen annihilation

Dec 28, 2015 · Replies 1 · Dec 28, 2015

Replies: 1

Views: 1K

Total significance Higgs discovery at 7+8TeV LHC

Dec 24, 2015 · Replies 13 · Dec 25, 2015

Replies: 13

Views: 2K

Order-of magnitude estimate fails for angular momentum in decay

Dec 21, 2015 · Replies 16 · Dec 24, 2015

Replies: 16

Views: 2K

Origin of the value of the vacuum v ~ 246 GeV

Dec 19, 2015 · Replies 8 · Dec 22, 2015

Replies: 8

Views: 4K

Muon-Enhanced Atoms: Fusion Efficiencies Explored

Dec 22, 2015 · Replies 5 · Dec 22, 2015

Replies: 5

Views: 2K

Different stable nuclear spins for the same isotope

Dec 22, 2015 · Replies 7 · Dec 22, 2015

Replies: 7

Views: 2K

Undergrad Which particles have mass and antiparticle partners?

Dec 22, 2015 · Replies 2 · Dec 22, 2015

Replies: 2

Views: 1K

Distribution of released energy in nuclear fusion

Nov 26, 2015 · Replies 5 · Dec 22, 2015

Replies: 5

Views: 2K

Why is the hierarchy problem a problem?

Nov 14, 2015 · Replies 44 · Dec 19, 2015

2

Replies: 44

Views: 10K

Number of particles in the universe

Nov 29, 2015 · Replies 22 · Dec 19, 2015

Replies: 22

Views: 4K

New LHC results 2015: Tuesday Dec 15 - interesting diphoton excess

Dec 13, 2015 · Replies 45 · Dec 19, 2015

2

Replies: 45

Views: 10K

Undergrad Potential new particle shows up at the LHC

Dec 18, 2015 · Replies 1 · Dec 18, 2015

Replies: 1

Views: 2K

Oklo-phenomenon - is this a Natural nuclear reactor?

Dec 9, 2015 · Replies 12 · Dec 18, 2015

Replies: 12

Views: 2K

Density of states in Fermi's golden rule

Dec 17, 2015 · Replies 1 · Dec 18, 2015

Replies: 1

Views: 2K

Why can't there be other Boson particle clusters

Dec 17, 2015 · Replies 2 · Dec 18, 2015

Replies: 2

Views: 1K

Graduate If there is a particle at 750 GeV, what is it? a quark?

Dec 17, 2015 · Replies 1 · Dec 17, 2015

Replies: 1

Views: 2K

How does protons has mass and not pions?

Dec 17, 2015 · Replies 10 · Dec 17, 2015

Replies: 10

Views: 3K

Truck-deployed nuclear reactors antineutrino detector: range?

Dec 16, 2015 · Replies 10 · Dec 17, 2015

Replies: 10

Views: 2K

Why ##SU(2) \times U(1)## for the SM?

Dec 2, 2015 · Replies 3 · Dec 16, 2015

Replies: 3

Views: 3K

##\overline{MS}## in scalar theory references

Dec 14, 2015 · Replies 2 · Dec 14, 2015

Replies: 2

Views: 1K

Radon 222 What is really going on?

Dec 14, 2015 · Replies 4 · Dec 14, 2015

Replies: 4

Views: 2K

Lie Group v Lie algebra representation

Dec 13, 2015 · Replies 2 · Dec 14, 2015

Replies: 2

Views: 2K

Counterterms in self-energy diagram

Dec 12, 2015 · Replies 2 · Dec 13, 2015

Replies: 2

Views: 2K

Does every photopeak orginate a Compton edge?

Dec 12, 2015 · Replies 2 · Dec 13, 2015

Replies: 2

Views: 3K

Exclusive measurements at the lhc

Dec 10, 2015 · Replies 3 · Dec 10, 2015

Replies: 3

Views: 1K

Equations for Particle Motion in Horizontal Air Flow

Dec 3, 2015 · Replies 9 · Dec 10, 2015

Replies: 9

Views: 2K

Questions on the Strong Nuclear Force

Dec 9, 2015 · Replies 2 · Dec 9, 2015

Replies: 2

Views: 2K

ATLAS inclusive and sliced samples (eg W+jets)

Dec 6, 2015 · Replies 6 · Dec 8, 2015

Replies: 6

Views: 1K

What determines the Compton scattering angle?

Dec 8, 2015 · Replies 2 · Dec 8, 2015

Replies: 2

Views: 2K

Why we called the Helium particle as alpha particle?

Dec 6, 2015 · Replies 9 · Dec 6, 2015

Replies: 9

Views: 3K

What are the basics of nanoparticles and their stability?

Dec 5, 2015 · Replies 1 · Dec 6, 2015

Replies: 1

Views: 1K

Does a photon have "resting" mass?

Feb 8, 2015 · Replies 12 · Dec 5, 2015

Replies: 12

Views: 3K

Why must the Higgs' gauge symmetry be broken?

Dec 4, 2015 · Replies 5 · Dec 4, 2015

Replies: 5

Views: 2K

Questions regarding "Thermal History of the Early Universe"

Dec 4, 2015 · Replies 3 · Dec 4, 2015

Replies: 3

Views: 2K

Why Does Particle Decay? | Explained with Fermi

Dec 2, 2015 · Replies 3 · Dec 2, 2015

Replies: 3

Views: 2K

Phase diagram p-v and plasmatic state

Nov 30, 2015 · Replies 1 · Dec 2, 2015

Replies: 1

Views: 4K

Electro Weak Unification Theory

Nov 29, 2015 · Replies 3 · Dec 1, 2015

Replies: 3

Views: 2K

Background rejection / data analysis

Dec 1, 2015 · Replies 3 · Dec 1, 2015

Replies: 3

Views: 2K

Self Quenching In Geiger-Muller Counter

Sep 26, 2009 · Replies 5 · Nov 30, 2015

Replies: 5

Views: 13K

How to calculate Feynman diagrams in phi^4

Nov 24, 2015 · Replies 2 · Nov 29, 2015

Replies: 2

Views: 4K

What is meant by "electromagnetic energy resolution"?

Nov 24, 2015 · Replies 12 · Nov 29, 2015

Replies: 12

Views: 2K

What is the meaning of the term 'prompt muon'?

Nov 28, 2015 · Replies 5 · Nov 28, 2015

Replies: 5

Views: 3K

Quark mixing factor in CKM matrix

Nov 25, 2015 · Replies 4 · Nov 25, 2015

Replies: 4

Views: 2K

Producing K+ from K0L via 'charge exchange'?

Nov 16, 2015 · Replies 4 · Nov 24, 2015

Replies: 4

Views: 1K

What is a Synchronised cyclotron?

Nov 24, 2015 · Replies 2 · Nov 24, 2015

Replies: 2

Views: 2K

Pseudoscalar current of Majorana fields

Nov 22, 2015 · Replies 3 · Nov 23, 2015

Replies: 3

Views: 2K

Ryder's SU(2) Example in Quantum Field Theory

Nov 23, 2015 · Replies 1 · Nov 23, 2015

Replies: 1

Views: 2K

Is the Higgs mechanism a gauge transformation or not?

Nov 21, 2015 · Replies 2 · Nov 21, 2015

Replies: 2

Views: 2K

Derivation of momentum for the complex scalar field

Nov 18, 2015 · Replies 8 · Nov 21, 2015

Replies: 8

Views: 3K

How we differentiate between bosons and fermions?

Nov 11, 2015 · Replies 6 · Nov 21, 2015

Replies: 6

Views: 2K

What is electron? Is it a perfect point? What does it mean?

Nov 15, 2015 · Replies 10 · Nov 21, 2015

Replies: 10

Views: 3K

Fusion of He, Li, Be in Z-pinches?

Nov 17, 2015 · Replies 5 · Nov 20, 2015

Replies: 5

Views: 2K

Quark axial-vector current in nucleion

Nov 19, 2015 · Replies 2 · Nov 20, 2015

Replies: 2

Views: 2K

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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