High Energy, Nuclear, Particle Physics Forum

Post thread
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.
High School Matrices of su(3) and sphere symmetry
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why 15 million K is sufficient for fusion in solar core?
  • · Replies 13 ·
Replies
13
Views
3K
High School Is Nucleus Unstable? Radioactivity & Stability
  • · Replies 1 ·
Replies
1
Views
2K
High School Turning Elements into other Elements
  • · Replies 34 ·
2
Replies
34
Views
4K
Graduate What Do Direct Measurements of Flavour Neutrino Masses Reveal?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Degeneracy of energy levels greater than no. of particles?
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Learn SU Groups in QCD: Chiral Symmetry, 8 Goldstone Bosons & More
  • · Replies 8 ·
Replies
8
Views
4K
High School Why do radioactive materials decay in half-lifes?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate How is radiation distributed in this experimental setup
  • · Replies 1 ·
Replies
1
Views
1K
Graduate CP properties of field strength tensor
  • · Replies 3 ·
Replies
3
Views
3K
Graduate How can i build a homemade particle accelerator?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Antilepton excess of leptogenesis and sphalerons
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad The Higgs Field and Fermion Generations: Stability and Mass
  • · Replies 22 ·
Replies
22
Views
4K
Undergrad Imagining a Higgsless Universe
  • · Replies 35 ·
2
Replies
35
Views
9K
Undergrad What is the approximate impedance of an RF plasma "antenna"?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Leptogenesis and see-saw before EWSB
  • · Replies 3 ·
Replies
3
Views
2K
High School Higgs Field Radio: Revolutionizing Global Communication
  • · Replies 5 ·
Replies
5
Views
1K
Undergrad Experimental check of photon mass and Coulomb's law
  • · Replies 21 ·
Replies
21
Views
4K
Undergrad How to Calculate the Self Energy Amplitude of a Sunset Diagram?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Splitting Angular Momentum into Spin and Orbital Parts
  • · Replies 23 ·
Replies
23
Views
3K
Undergrad Confirming Nuclei Deformation: Theory & Experimental Considerations
  • · Replies 2 ·
Replies
2
Views
1K
High School Evidence for CP violation in the baryon sector
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Can we visually detect subparticles using visible light?
  • · Replies 11 ·
Replies
11
Views
2K
Graduate Momentum transfer and energy scale
  • · Replies 4 ·
Replies
4
Views
2K
High School No traces in cloud chamber (experimental physics)
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Chernobyl Dose Model & Estimates
  • · Replies 7 ·
Replies
7
Views
2K
High School Gravitational Filed and Particles
  • · Replies 4 ·
Replies
4
Views
1K
Graduate How to Multiply SU(4)XSU(2) Matrices to Form a 8x8 Matrix?
  • · Replies 6 ·
Replies
6
Views
2K
High School If Higgs has mass of 125GeV why did the LHC need 3.5TeV?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate PDFs expressed as matrix elements of bi-local operators
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Do glueballs of spin-2 mediate forces?
  • · Replies 3 ·
Replies
3
Views
2K
High School What is binding energy and how does it hold nuclei together?
  • · Replies 5 ·
Replies
5
Views
3K
High School On the topic of neutrinos' masses
  • · Replies 5 ·
Replies
5
Views
2K
High School Necessity of D's in a Cyclotron
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad How to calculate self energy Feynman diagram like that
  • · Replies 13 ·
Replies
13
Views
4K
High School The path of particles in the L.H.C. pics
  • · Replies 4 ·
Replies
4
Views
2K
High School Linear energy transfer for electrons
  • · Replies 1 ·
Replies
1
Views
2K
Graduate "Quantum chromodynamics is a zero-parameter theory"
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Propagator for traceless gauge field
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Mono-jet searches for simplified models
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Weak force - only free neutrons decay?
  • · Replies 19 ·
Replies
19
Views
3K
High School Understanding Planck Mass and Gravity Formula for the Hierarchy Problem
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Running coupling of the Higgs potential
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is Unruh Radiation from Quarks in Nucleons a Violation of Energy Conservation?
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Prerequisite for understanding QCD
  • · Replies 14 ·
Replies
14
Views
5K
Undergrad ITER high neutron flux research?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Degrees of freedom of elementary particles
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How do Particle Exchange Forces Create Attractive Forces?
  • · Replies 22 ·
Replies
22
Views
4K
Graduate Chirality of the electromagnetic force on atomic matter
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is the SM of particles physics and Cosmology SM
  • · Replies 24 ·
Replies
24
Views
4K
Undergrad Quark and anti quark neutral particles question
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Local Gauge Invariance Explained: Physics & Math Insight
  • · Replies 6 ·
Replies
6
Views
5K
Undergrad What happens to the mass of a muon when it decays
  • · Replies 3 ·
Replies
3
Views
1K
High School World made up of 2nd & 3rd Generation particles
  • · Replies 59 ·
2
Replies
59
Views
9K
Undergrad Understanding Neutrino Detectors & All-Neutrino Detection
  • · Replies 12 ·
Replies
12
Views
3K
High School What does half-integer spin mean?
  • · Replies 8 ·
Replies
8
Views
8K
Graduate Understanding the Seesaw Formula Conventions in Neutrino Mass Derivations
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Transforming lepton basis to diagonlise charged lepton mass
  • · Replies 5 ·
Replies
5
Views
2K
High School Proton decay probability (Bayesian or frequentist?)
  • · Replies 16 ·
Replies
16
Views
3K
Graduate Measurement of the Higgs Self Interaction
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Imaginary parts of amplitues (Schwartz QFT text)
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Status of cp - even neutral heavy Higgs after ICHEP 2016
  • · Replies 1 ·
Replies
1
Views
1K
High School High energy protons and electrons to gamma radiation
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Origin of mass and Noethers theorem
  • · Replies 22 ·
Replies
22
Views
3K
High School Since gluons are massless, shouldn't glueballs also be massl
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Clarification of Higgs field, Higgs boson and gravitons
  • · Replies 24 ·
Replies
24
Views
5K
Undergrad Plasma Condensation: Can Gas Be Turned Back Into Liquid/Solid?
  • · Replies 14 ·
Replies
14
Views
5K
Graduate When should rapidity or pseudorapidity be used for particle measurements?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How the heck is this made? (Tabletop electron accelerator demo)
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Pressures required for nuclear fusion
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Custodial Symmetry in the Standard Model
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Why would interacting K0L produce K+ more often than K-?
  • · Replies 28 ·
Replies
28
Views
3K
Graduate Problem with fields and operators in holographic duality
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Help with a Reference Level of Radon in Water
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Why is the D-D nuclear fusion reaction unlikely despite having a higher Q value?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Do the weak isospins of the w1 and w2 combine?
  • · Replies 14 ·
Replies
14
Views
3K
High School Difference in binding energy is equal to the energy released
  • · Replies 8 ·
Replies
8
Views
7K
Undergrad What happens when an anti-particle collides with our body?
  • · Replies 4 ·
Replies
4
Views
2K
High School Weak force symmetry broken above 250 GeV?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad How Does the T2K Experiment Detect Neutrino Oscillations?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Antiparticles and Einstein's energy-momentum relation
  • · Replies 21 ·
Replies
21
Views
3K
Undergrad X-ray spectra- bremsstrahlung and characteristic x-rays
  • · Replies 2 ·
Replies
2
Views
2K
High School Understanding Nuclear Bombs: The Physics Behind Their Devastation
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Just how long is the ATLAS detector?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate TRT Electron Radiation: Transition Between Refractive Indices
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Calculating Energy of Deuterium-Tritium Reaction
  • · Replies 2 ·
Replies
2
Views
2K
High School How Does the Coulomb Barrier Affect Alpha Decay?
  • · Replies 1 ·
Replies
1
Views
2K
High School Does fusion occur because you exceeded the strong force?
  • · Replies 2 ·
Replies
2
Views
2K
High School CERN: Why No Supersymmetry or Mini Black Holes?
  • · Replies 19 ·
Replies
19
Views
3K
Undergrad Alpha decay and magnetic fields
  • · Replies 12 ·
Replies
12
Views
2K
Undergrad Nuclear Vibrations: Krane pg 141 | 0^+ State
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Gluon spin and quark confinement
  • · Replies 4 ·
Replies
4
Views
2K
High School What causes the physicality of matter?
  • · Replies 14 ·
Replies
14
Views
2K
High School Weak fields, higgs fields... forces
  • · Replies 13 ·
Replies
13
Views
2K
Graduate Understanding renormalization / regularization basics
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Higgs Boson Mass Trending Down At ICHEP
  • · Replies 19 ·
Replies
19
Views
3K
Graduate Discover the Cross Section of η′→γγ and Its Calculation Methods
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad T2K: >2 sigma preference for neutrino CP violation
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Spontaneous symmetry breaking of chiral symmetry
  • · Replies 9 ·
Replies
9
Views
4K
Graduate SU(5), 'Standard Model decomposition', direct sum etc.
  • · Replies 23 ·
Replies
23
Views
5K