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Graduate Can the usual inner product be defined on spinor space?
- gentsagree
- · Replies 6 ·
Graduate Candidate 2.9 TeV electron-positron event at the LHC in 2015
- mfb
- · Replies 26 ·
Graduate Strong Flavor Dynamics for tops questions
- ChrisVer
- · Replies 1 ·
High School How to tell if a reaction is fission or fusion?
- hamza2095
- · Replies 3 ·
Graduate Measuring Magnetic Monopoles: Unique Signatures in Magnetic and Electric Fields
- jlcd
- · Replies 1 ·
Graduate Why do hadrons experience the residual strong force if they're color neutral?
- Garlic
- · Replies 13 ·
Graduate Symmetry factors of some diagrams
- CAF123
- · Replies 8 ·
High School What exactly is meant by the word "particle"
- Enjamiering
- · Replies 6 ·
Graduate Can a Lagrangian in QFT be Renormalizable?
- Giuseppe Lacagnina
- · Replies 2 ·
Undergrad What radiation detector can tell energy level?
- DetectiveT
- · Replies 6 ·
Graduate Why is pair creation in an ionization chamber proportional to deposited energy?
- MsFrancesca
- · Replies 2 ·
Graduate Connected graphs and phi^4 interacting theory
- CAF123
- · Replies 2 ·
Graduate Adjoint representation of Lorentz group
- gentsagree
- · Replies 3 ·
Graduate A double alpha disintegration?
- Frank Einstein
- · Replies 4 ·
Graduate Can a powerful projectile electron drill through nucleus?
- kiwaho
- · Replies 9 ·
High School Can X-Ray Illumination Alter Material Opacity to Light?
- Nicholas Lee
- · Replies 2 ·
Undergrad Are all particles subject to gravity?
- Shreyas Shree
- · Replies 12 ·
Graduate At 0K - Particles Inside the Nucleus: Do They Move?
- jk22
- · Replies 6 ·
Graduate Electron-positron annihilation diagram
- CAF123
- · Replies 7 ·
Graduate Higgs production cross section
- Safinaz
- · Replies 7 ·
Graduate SU(2) lepton doublet conjugation rules
- terra
- · Replies 22 ·
Graduate Comparing exp(iS) and exp(-S) conventions in QED path integrals
- dman12
- · Replies 3 ·
Graduate Does QFT specify particle propagation?
- friend
- · Replies 38 ·
Graduate Nuclear decay of small amount and by different processes
- ORF
- · Replies 1 ·
Graduate Has the Charge Quantization Problem Been Solved Without Magnetic Monopoles?
- vonZarovich
- · Replies 2 ·
Graduate Matrix element calculation in electron-positron to muon pair annihilation
- spaghetti3451
- · Replies 26 ·
Graduate Can Symmetry Unbreaking Restore Forces in Physics?
- jlcd
- · Replies 2 ·
Graduate Are quarks shared between nucleons?
- Devils
- · Replies 13 ·
Graduate Why Do Electron, Muon, and Tau Masses Differ in Scale and Correction Effects?
- DuckAmuck
- · Replies 1 ·
Graduate How Do Axions Interact with Electromagnetic and Gravitational Fields?
- argus733
- · Replies 6 ·
Undergrad What is the phenomena of Mixing?
- HeavyWater
- · Replies 5 ·
Undergrad How to simulate protons on a computer program to observe them?
- Sagar Bhatt
- · Replies 9 ·
Undergrad How can Gluon travel at speed of light?
- A AM ARYA
- · Replies 19 ·
Graduate Understanding Kaon Antikaon Oscillation through the Two Body Problem
- Tasnim Farhan
- · Replies 10 ·
Graduate How Do Resonances Differ from Virtual States in Quantum Physics?
- snorkack
- · Replies 2 ·
Graduate Calculate Baryons Annihilation Cross Sections
- Andrea M.
- · Replies 2 ·
Graduate Po-210. Comparison of Gamma and Alpha spectrometry
- Sergey_KGB
- · Replies 18 ·
Undergrad Nuclear decay of a small number of atoms calculation
- resurgance2001
- · Replies 10 ·
Graduate Deriving equation 23 from equation 15 in hep-ph/0307185
- junhui.liao
- · Replies 2 ·
Graduate Energy Excitation: Why Electron Emits Radiation
- Rahma Al-Farsy
- · Replies 6 ·
Graduate Peskin and Schroeder - page 4 - spin and cross section
- spaghetti3451
- · Replies 7 ·
Undergrad Proton / electron mass ratio equation
- infinite_kitsch
- · Replies 8 ·
Graduate Why isn't the curl of a vector orthogonal to itself in force-free fields?
- Clear Mind
- · Replies 2 ·
Graduate Could a Meson Beam Weapon from Sword of the Stars Ever Be Realistic?
- serp777
- · Replies 1 ·
Graduate Wikipedia.org -- Protons captured by neutral gas atoms?
- Mr Tompkins
- · Replies 1 ·
Graduate Can electro-weak unification be tested at CERN?
- Carlos L. Janer
- · Replies 8 ·
Graduate Why are disconnected diagrams dropped from S-Matrix
- LedPhoton
- · Replies 1 ·
Graduate Why does some reactions do't go to the fundamental state?
- Frank Einstein
- · Replies 1 ·
Graduate How to know if a particle is on shell in general?
- Coffee_
- · Replies 2 ·
Graduate Effective operator and allowed loop level interactions
- Safinaz
- · Replies 3 ·
Graduate Fission neutron classification
- Neutroniclad
- · Replies 1 ·
Graduate Anti Proton vs Neutron annihilation
- Stephanus
- · Replies 4 ·
Graduate When is the total C-parity of two particles the product?
- Coffee_
- · Replies 1 ·
Graduate Electron capture in fully ionised nuclei
- Garlic
- · Replies 2 ·
Graduate Loop correction for quartic Higgs coupling
- Safinaz
- · Replies 4 ·
Graduate The End of the Road: LHC Findings and the Fate of Physics
- Martin0001
- · Replies 7 ·
Graduate Materiality of elementary particles
- David Welsh
- · Replies 4 ·
Graduate How do charged particles in a screen respond to the EM wave before a photon is absorbed?
- God Plays Dice
- · Replies 15 ·
Undergrad What is the binding energy of H-1?
- ZeroGravity
- · Replies 9 ·
Graduate Feynman's approach to precision QED
- Spinnor
- · Replies 4 ·
Undergrad What is the definition of the coefficient of linear and mass
- Capisko
- · Replies 6 ·
Graduate What is the Model Independent Expectation Value for QCD Vacuum?
- Naeem Anwar
- · Replies 2 ·
Graduate Yang-Mills theory, confinement and chiral symmetry breaking
- Andrea M.
- · Replies 2 ·
Undergrad Is it possible to fuse more than two atoms at once?
- Anastasiagrace
- · Replies 8 ·
High School What does elementary mean in elementary particle for K-12 physics?
- observer1
- · Replies 8 ·
Graduate Designing a Fusion Reactor: Calculating Plasma Currents
- Dr. Octavious
- · Replies 7 ·
Graduate How do I calculate the trace of SU(3) generators in the adjoint representation?
- Safinaz
- · Replies 13 ·
Graduate Is the LHC Beam Prevented from Falling at 9.81 m/s by Electromagnetic Fields?
- God Plays Dice
- · Replies 3 ·
Graduate Particle accelerator based nuclear fusion?
- SummerFuse
- · Replies 6 ·
Graduate Why is the Strong Force Responsible for Pi+ + Proton -> K+ + X?
- zanyzoya
- · Replies 6 ·
Graduate Symmetric or antisymmetric spontaneous fission
- Noddi
- · Replies 12 ·
Graduate The definition of transverse amplitude in the process: ep→epπ
- zhangyang
- · Replies 2 ·
Graduate Dimension of a partial decay width
- Safinaz
- · Replies 4 ·
Graduate Secondary effect of Electron capture and Internal conversion
- Neutroniclad
- · Replies 1 ·
Graduate Beta function of electroweak theory
- Sleuth
- · Replies 6 ·
Graduate Experimental Signatures of Neutral Pion Decay at High Energies
- bcrowell
- · Replies 10 ·
Graduate Probability of finding a particle at X?
- Chuckstabler
- · Replies 3 ·
Graduate X-ray production - maximum pressure
- Plat
- · Replies 4 ·
Graduate Do Pair Produced Particles Always Have Opposite Spins?
- DiracPool
- · Replies 11 ·
Graduate Solving the Mystery of the Missing Term in the Compton Effect Formula
- simon96c
- · Replies 4 ·
Graduate CP violation and allowed interactions
- Safinaz
- · Replies 1 ·
Graduate Anti hydrogen - hydrogen annihilation
- God Plays Dice
- · Replies 1 ·
Graduate Ionising 1kg of particles per second
- God Plays Dice
- · Replies 21 ·
Graduate Higgs discovery significance with full 7+8 TeV LHC data
- Sleuth
- · Replies 13 ·
Graduate Order-of magnitude estimate fails for angular momentum in decay
- bcrowell
- · Replies 16 ·
Graduate Origin of the value of the vacuum v ~ 246 GeV
- Sleuth
- · Replies 8 ·
Graduate Why don't muon-catalyzed atoms have longer lifetimes in fusion reactions?
- Garlic
- · Replies 5 ·
Graduate Different stable nuclear spins for the same isotope
- Garlic
- · Replies 7 ·
Undergrad Which particles have mass and antiparticle partners?
- friend
- · Replies 2 ·
Graduate Distribution of released energy in nuclear fusion
- Toreno
- · Replies 5 ·
Graduate Why is the hierarchy problem a problem?
- Smattering
- · Replies 44 ·
Graduate Number of particles in the universe
- MathematicalPhysicist
- · Replies 22 ·
Graduate ATLAS and CMS results on 13 TeV diphoton excess
- mfb
- · Replies 45 ·
Undergrad Potential new particle shows up at the LHC
- StatGuy2000
- · Replies 1 ·
Graduate How could the Oklo natural nuclear reactor sustain a chain reaction in impure water?
- gjonesy
- · Replies 12 ·
Graduate Density of states in Fermi's golden rule
- Coffee_
- · Replies 1 ·
High School The Truth About Half-Life and Interest Rates
- thetexan
- · Replies 6 ·
Graduate Why can't there be other Boson particle clusters
- Dalis
- · Replies 2 ·
Graduate If there is a particle at 750 GeV, what is it? a quark?
- edguy99
- · Replies 1 ·
Graduate How does protons has mass and not pions?
- 1832vin
- · Replies 10 ·