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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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Opinion on Lockheed Martin's fusion "breakthrough"

Mar 24, 2015 · Replies 2 · Mar 24, 2015

Replies: 2

Views: 1K

Instruments to measure plasmas besides Langmuir probes?

Mar 17, 2015 · Replies 1 · Mar 24, 2015

Replies: 1

Views: 1K

Electrical neutrality in radioactive decay

Jan 27, 2015 · Replies 12 · Mar 22, 2015

Replies: 12

Views: 3K

Alternative methods for observing Grand Unification?

Mar 22, 2015 · Replies 1 · Mar 22, 2015

Replies: 1

Views: 1K

Can Non-Gauge Forces Exist in the Quantum Vacuum?

Mar 20, 2015 · Replies 1 · Mar 21, 2015

Replies: 1

Views: 1K

The amplitude of B decay into tau neutrino

Mar 18, 2015 · Replies 2 · Mar 21, 2015

Replies: 2

Views: 2K

Can a plasma give off black body emission?

Aug 14, 2014 · Replies 6 · Mar 20, 2015

Replies: 6

Views: 6K

Breit-Wigner propagator Of resonance

Mar 20, 2015 · Replies 1 · Mar 20, 2015

Replies: 1

Views: 2K

CERN Alice Particle spectra behavior

Mar 19, 2015 · Replies 5 · Mar 20, 2015

Replies: 5

Views: 2K

Left-Handed Pion: Direction of Flight vs Spin

Mar 20, 2015 · Replies 1 · Mar 20, 2015

Replies: 1

Views: 1K

Proton creation and annihilation

Mar 20, 2015 · Replies 1 · Mar 20, 2015

Replies: 1

Views: 2K

Order in Renormalization Theory

Feb 17, 2015 · Replies 6 · Mar 20, 2015

Replies: 6

Views: 4K

Why are invariant tensors also Clebsch-Gordan coefficients?

Mar 19, 2015 · Replies 1 · Mar 19, 2015

Replies: 1

Views: 2K

Need help solving a specific PDE

Mar 17, 2015 · Replies 1 · Mar 17, 2015

Replies: 1

Views: 1K

Why Mesons Can't Be Made of 2 Quarks Alone

Mar 17, 2015 · Replies 4 · Mar 17, 2015

Replies: 4

Views: 3K

Possible decay states strong interaction, parity conservation

Mar 14, 2015 · Replies 8 · Mar 16, 2015

Replies: 8

Views: 3K

Questions on electroweak symmetry breaking

Mar 2, 2015 · Replies 8 · Mar 16, 2015

Replies: 8

Views: 2K

BR of semileptonic B meson decay

Mar 16, 2015 · Replies 3 · Mar 16, 2015

Replies: 3

Views: 2K

Questions about the observations from NIF at LLNL

Mar 14, 2015 · Replies 1 · Mar 15, 2015

Replies: 1

Views: 934

Crazy Idea for Nuclear Waste Disposal

Mar 10, 2015 · Replies 9 · Mar 15, 2015

Replies: 9

Views: 3K

W Boson Propagator in Unitary Gauge

Mar 15, 2015 · Replies 1 · Mar 15, 2015

Replies: 1

Views: 4K

Pace and plan at which I can get into particle physics

Mar 14, 2015 · Replies 3 · Mar 15, 2015

Replies: 3

Views: 1K

Basic question on the pertubative Standard Model

Mar 14, 2015 · Replies 35 · Mar 14, 2015

2

Replies: 35

Views: 3K

How fast do particles need to travel to collide?

Mar 11, 2015 · Replies 3 · Mar 14, 2015

Replies: 3

Views: 2K

Stability in Nuclei: How Mass Energy Helps

Mar 13, 2015 · Replies 6 · Mar 14, 2015

Replies: 6

Views: 2K

Determining Gauge Boson Energy & Spin: Formulas Involved

Mar 13, 2015 · Replies 1 · Mar 13, 2015

Replies: 1

Views: 942

How would neutrinos affect fusion?

Mar 10, 2015 · Replies 21 · Mar 13, 2015

Replies: 21

Views: 4K

The LHC will climb into energy, some questions

Feb 7, 2015 · Replies 17 · Mar 13, 2015

Replies: 17

Views: 3K

Is it possible to produce the inverse of a decay?

Mar 12, 2015 · Replies 5 · Mar 12, 2015

Replies: 5

Views: 2K

Differentiating like vs. opposite charges

Mar 11, 2015 · Replies 4 · Mar 12, 2015

Replies: 4

Views: 2K

What CM frame to take in this case?

Mar 10, 2015 · Replies 4 · Mar 12, 2015

Replies: 4

Views: 1K

Neutral intermediate boson to neutrinos are flavor preserving

Mar 9, 2015 · Replies 27 · Mar 11, 2015

Replies: 27

Views: 2K

Finding Tensor in QED: e^+e^- → γγ

Mar 8, 2015 · Replies 20 · Mar 10, 2015

Replies: 20

Views: 3K

Basic question: Propagator of a scalar boson

Mar 10, 2015 · Replies 5 · Mar 10, 2015

Replies: 5

Views: 2K

Simple question on W boson decay products

Mar 8, 2015 · Replies 7 · Mar 10, 2015

Replies: 7

Views: 2K

What are the issues with the covariant partners in this amplitude calculation?

Mar 8, 2015 · Replies 1 · Mar 10, 2015

Replies: 1

Views: 1K

Have you conquered Peskin's computation challenges?

Mar 9, 2015 · Replies 1 · Mar 9, 2015

Replies: 1

Views: 1K

Nuclear fusion/fission research question

Mar 8, 2015 · Replies 1 · Mar 9, 2015

Replies: 1

Views: 2K

Do neutrinos and antineutrinos annihilate?

Jun 11, 2014 · Replies 30 · Mar 8, 2015

2

Replies: 30

Views: 9K

Nuclear Shell Model - pp bound states?

Mar 7, 2015 · Replies 3 · Mar 8, 2015

Replies: 3

Views: 1K

Why must an electron-positron collision produce gamma rays?

Mar 5, 2015 · Replies 5 · Mar 7, 2015

Replies: 5

Views: 2K

Is this a correct 4-vector identity?

Mar 7, 2015 · Replies 15 · Mar 7, 2015

Replies: 15

Views: 2K

Nuclear Fusion: Why is energy created from mass?

Feb 15, 2015 · Replies 6 · Mar 6, 2015

Replies: 6

Views: 3K

Materiel for fixed target particle collisions

Mar 5, 2015 · Replies 2 · Mar 6, 2015

Replies: 2

Views: 1K

Did Homer Simpson Accurately Calculate the Mass of the Higgs Boson?

Mar 5, 2015 · Replies 3 · Mar 5, 2015

Replies: 3

Views: 2K

Possible Interactions in Meson-Proton Collision: Investigating Neutron Formation

Mar 5, 2015 · Replies 2 · Mar 5, 2015

Replies: 2

Views: 2K

Beta Particles -- range of energies?

Mar 5, 2015 · Replies 4 · Mar 5, 2015

Replies: 4

Views: 6K

What functions of fields describe particles?

Mar 3, 2015 · Replies 1 · Mar 3, 2015

Replies: 1

Views: 1K

Boosted Decision Trees algorithm

Mar 3, 2015 · Replies 1 · Mar 3, 2015

Replies: 1

Views: 2K

Differential cross-section for partonic collisions

Mar 1, 2015 · Replies 7 · Mar 2, 2015

Replies: 7

Views: 2K

What exactly does it mean for an isotope to be stable?

Feb 24, 2015 · Replies 22 · Mar 1, 2015

Replies: 22

Views: 7K

Are There Any Customizable Particle Simulators Like This?

Feb 27, 2015 · Replies 6 · Feb 28, 2015

Replies: 6

Views: 2K

Experimental Black Hole Physics

Feb 25, 2015 · Replies 20 · Feb 28, 2015

Replies: 20

Views: 3K

Momentum-Parity, ground state quantum no even-even odd-odd

Feb 15, 2015 · Replies 2 · Feb 27, 2015

Replies: 2

Views: 2K

Influence of Sun on radioactive decays?

Feb 26, 2015 · Replies 2 · Feb 26, 2015

Replies: 2

Views: 1K

Survival probability solar neutrinos

Feb 26, 2015 · Replies 13 · Feb 26, 2015

Replies: 13

Views: 2K

Scintillation detector's output

Feb 13, 2015 · Replies 3 · Feb 25, 2015

Replies: 3

Views: 1K

Beer-Lambert relation to dosage

Feb 23, 2015 · Replies 4 · Feb 25, 2015

Replies: 4

Views: 1K

What Causes the Observed Excess in the Semileptonic Decay Rate of B Mesons?

Feb 24, 2015 · Replies 2 · Feb 25, 2015

Replies: 2

Views: 2K

Understanding Higgs-Z Ditau Decay Momentum Effects

Feb 24, 2015 · Replies 2 · Feb 24, 2015

Replies: 2

Views: 2K

How is CERN SPS Achieving 33 TeV Energy Levels?

Feb 23, 2015 · Replies 10 · Feb 23, 2015

Replies: 10

Views: 2K

Momentum conservation at vertex in Feynman Diagrams

Feb 21, 2015 · Replies 6 · Feb 22, 2015

Replies: 6

Views: 6K

Dimensional Regularizaiton (dimensions d)

Feb 18, 2015 · Replies 5 · Feb 20, 2015

Replies: 5

Views: 2K

Q value in nuclear and particle physics

Feb 19, 2015 · Replies 6 · Feb 20, 2015

Replies: 6

Views: 5K

Determine the structure function

Feb 10, 2015 · Replies 1 · Feb 19, 2015

Replies: 1

Views: 1K

How to calculate yields from the cross section?

Feb 18, 2015 · Replies 1 · Feb 19, 2015

Replies: 1

Views: 5K

Prove e(charge of proton)=1.6E-19 | Mev.fm

Feb 15, 2015 · Replies 9 · Feb 18, 2015

Replies: 9

Views: 5K

CERN Quark Experiments: Latest Findings & Discoveries

Feb 17, 2015 · Replies 6 · Feb 18, 2015

Replies: 6

Views: 2K

Renormalizable Lagrangians?

Feb 16, 2015 · Replies 5 · Feb 17, 2015

Replies: 5

Views: 2K

Why is the second quantization formulation important in quantum field theory?

Feb 16, 2015 · Replies 4 · Feb 17, 2015

Replies: 4

Views: 2K

Photon-photon collisions and photon "decay"

Feb 15, 2015 · Replies 10 · Feb 17, 2015

Replies: 10

Views: 2K

Understanding Tau Identification in ATLAS: A Brief Overview

Feb 15, 2015 · Replies 3 · Feb 17, 2015

Replies: 3

Views: 2K

How Can We Understand Wave-Particle Duality in Water Waves?

Feb 8, 2015 · Replies 30 · Feb 16, 2015

2

Replies: 30

Views: 4K

Has the Higgs Boson Particle Been Discovered at Cern?

Jul 2, 2012 · Replies 191 · Feb 15, 2015

7

Replies: 191

Views: 81K

What Is a Pomeron? | Particle Properties Explained

Feb 1, 2015 · Replies 4 · Feb 15, 2015

Replies: 4

Views: 2K

Conservation of charge and LHC

Feb 14, 2015 · Replies 8 · Feb 14, 2015

Replies: 8

Views: 2K

Momentum cutoffs free field theory

Feb 14, 2015 · Replies 1 · Feb 14, 2015

Replies: 1

Views: 1K

Calculate PKA Velocity in 10keV Fe Collision

Feb 13, 2015 · Replies 2 · Feb 14, 2015

Replies: 2

Views: 2K

Can an Alpha Particle Fuse with a Hydrogen Atom?

Feb 9, 2015 · Replies 22 · Feb 13, 2015

Replies: 22

Views: 4K

Fundamental and contravariant representations

Feb 11, 2015 · Replies 3 · Feb 13, 2015

Replies: 3

Views: 1K

Tachyon Refraction: Can Massless Particles be Created?

Feb 13, 2015 · Replies 1 · Feb 13, 2015

Replies: 1

Views: 2K

Difference between Delta particles and protons and neutrons

Feb 11, 2015 · Replies 15 · Feb 13, 2015

Replies: 15

Views: 8K

How abundant is each elementary particle in nature?

Feb 12, 2015 · Replies 2 · Feb 12, 2015

Replies: 2

Views: 1K

Decomposing an SU(3) product in irreps

Feb 7, 2015 · Replies 8 · Feb 12, 2015

Replies: 8

Views: 2K

Negative Neutrino Mass Squared: Accepted Paper Analysis

Dec 26, 2014 · Replies 79 · Feb 11, 2015

3

Replies: 79

Views: 11K

Quick question on Baryon spin states

Feb 7, 2015 · Replies 13 · Feb 11, 2015

Replies: 13

Views: 4K

How to split up a photon-neutron beam?

Feb 2, 2015 · Replies 21 · Feb 10, 2015

Replies: 21

Views: 3K

Sign of Levi-Civita Symbol in spherical coordinates

Feb 5, 2015 · Replies 4 · Feb 10, 2015

Replies: 4

Views: 3K

Higgs Potential Energy: Definition, Scale & Coleman-Weinberg

Jan 17, 2015 · Replies 9 · Feb 9, 2015

Replies: 9

Views: 3K

Σ Model, from not obvious to obvious?

Feb 6, 2015 · Replies 1 · Feb 8, 2015

Replies: 1

Views: 1K

Describe PE of Particles in a Gas

Feb 7, 2015 · Replies 2 · Feb 7, 2015

Replies: 2

Views: 1K

Guess Decay Modes: A, Z, Mass Diff MeV

Feb 6, 2015 · Replies 5 · Feb 7, 2015

Replies: 5

Views: 2K

Calculating the Mass of a High-Speed Moving Proton Experimentally

Feb 6, 2015 · Replies 9 · Feb 7, 2015

Replies: 9

Views: 3K

Neutrinos and nuclear reactions

Feb 6, 2015 · Replies 7 · Feb 6, 2015

Replies: 7

Views: 2K

Pair production inside the atom?

Feb 6, 2015 · Replies 3 · Feb 6, 2015

Replies: 3

Views: 1K

Relative Stability of 237-Np & 237-Pu Explained

Jan 29, 2015 · Replies 5 · Feb 6, 2015

Replies: 5

Views: 2K

Anomaly cancellation triangle

Feb 2, 2015 · Replies 5 · Feb 6, 2015

Replies: 5

Views: 2K

Neutron Flux in ITER: Benefits & Containment Challenges

Feb 4, 2015 · Replies 2 · Feb 6, 2015

Replies: 2

Views: 2K

Troubleshooting Proportional Counter Problem

Feb 3, 2015 · Replies 6 · Feb 5, 2015

Replies: 6

Views: 3K

Quick question on Fermi Golden Rule

Feb 5, 2015 · Replies 3 · Feb 5, 2015

Replies: 3

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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