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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Graduate Z° Isospin: Understanding T³=0 and Weak Isospin in Particle Physics
- tom.stoer
- · Replies 4 ·
Graduate Determining particle spin in collision experiments
- JustinLevy
- · Replies 4 ·
Graduate Pion Decay in QED: Can it Occur via a Virtual Photon?
- Rudipoo
- · Replies 5 ·
Graduate Dark matter energy loss mechanisms
- Xomena
- · Replies 10 ·
Graduate Theories predicting electron mass
- Ashwin_Kumar
- · Replies 7 ·
Undergrad What causes radioactive decay?
- JDude13
- · Replies 6 ·
Graduate Groups in Physics: What are they Used For?
- Schreiberdk
- · Replies 14 ·
Graduate What is the meaning of BPS D-branes ?
- chongchong
- · Replies 3 ·
Graduate What is the Einstein relationship for calculating nuclear binding energy?
- jaredogden
- · Replies 2 ·
Graduate Matter-antiMatter annihilation,Mesons?
- ShayanJ
- · Replies 14 ·
Graduate Time it takes for a particle creation/annhilation (according to QFT)?
- triclon
- · Replies 1 ·
Graduate How can you tell what force mediates an interaction?
- malcomson
- · Replies 2 ·
Graduate Entropy and the Destruction of Matter
- Norfonz
- · Replies 1 ·
Graduate Higgs Boson & Graviton: Same or Different?
- GoodUniverse
- · Replies 3 ·
Graduate Two spin d.o.f. for massless gauge bosons
- tom.stoer
- · Replies 29 ·
Graduate QCD Lagrangian: Multiplying 4x4 and 1x3 Matrices
- yola
- · Replies 4 ·
Graduate Relation between Higgs boson and graviton
- dimsun
- · Replies 10 ·
Graduate Understanding the Relationship Between Neutrino Flavours and Mass Eigenstates
- David_Harkin
- · Replies 3 ·
Undergrad Protection from both beta particles & Gamma rays?
- gotmilk954
- · Replies 4 ·
High School Why Electrons Don't Stick to Nuclei
- karawan
- · Replies 3 ·
Graduate Annihilation of Matter/Antimatter
- D4rthV4D3r
- · Replies 9 ·
Graduate Anyone has done the 1-loop cancellation for the Wess-Zumino model?
- diegoRED
- · Replies 3 ·
High School K.Ionizing Radiation: Uses, Dangers, and Effects
- nobodyuknow
- · Replies 4 ·
Graduate Potassium-argon radiometric dating
- Stefan Udrea
- · Replies 11 ·
Graduate Can We Create Antimatter More Efficiently and Effectively?
- Kalrag
- · Replies 5 ·
Graduate If the Higgs is 'responsible' for the mass
- InsertName
- · Replies 5 ·
Undergrad Particles & Forces: How Does Energy Move?
- skywolf
- · Replies 8 ·
Graduate An online reference for SM Feynman Rules?
- Hepth
- · Replies 2 ·
Graduate Explaining Electromagnetic Forces: Repulsion & Attraction
- rogainuser
- · Replies 3 ·
High School How to divide positive and negative charges from each other
- orenrocco
- · Replies 7 ·
Graduate Must time require particle interaction (including decay)?
- skeleton
- · Replies 4 ·
Undergrad Interaction of two point charges
- goldbloom55
- · Replies 6 ·
Graduate Why is photon self-energy called vacuum polarization?
- cello
- · Replies 3 ·
Graduate How Do Photon Collisions Lead to Particle-Antiparticle Pair Production?
- Deepak247
- · Replies 2 ·
Graduate So does the Higg field give the neutrino mass, and can neutrino velocity change?
- bananan
- · Replies 5 ·
Graduate It's confirmed, matter is merely vacuum fluctuations.
- marcus
- · Replies 47 ·
Graduate How many inverse femtobarns at 7 TeV to find Higgs?
- petergreat
- · Replies 12 ·
Undergrad Can Nuclide Stability Be Determined by Atomic Weight or Radioactivity?
- mathman
- · Replies 4 ·
Graduate Why are the Tevatron fill times so long?
- jason12345
- · Replies 4 ·
Graduate Quark Existence: Proven or Inferred?
- ion
- · Replies 17 ·
Graduate Energy Source of E Field in Decay of Neutral Pi Mesons?
- cragar
- · Replies 4 ·
Graduate On monopoles' symmetry and other concerns
- Redsummers
- · Replies 2 ·
Graduate Firing electrons at the nucleus
- DrBloke
- · Replies 6 ·
Graduate What nuclei are stable against beta decay?
- Onias
- · Replies 7 ·
Graduate Physical origin of nucleon pair-breaking energy?
- m.e.t.a.
- · Replies 2 ·
Graduate K short to mu mu branching ration
- akshaykatre
- · Replies 6 ·
Graduate Fusion in a Coffee Cup: Can It Lead To New Propulsion?
- hhh79bigo
- · Replies 16 ·
Graduate Why is the proton's mass so much larger than the combined masses of its quarks?
- InsertName
- · Replies 14 ·
Graduate What Determines the Parity of Deuteron Spin and Parity?
- UniPhysics90
- · Replies 1 ·
Graduate Nuclear Shell model, how do we know energy levels?
- UniPhysics90
- · Replies 4 ·
Undergrad Particles in Nature: Mesons, Baryons, Leptons
- ShayanJ
- · Replies 7 ·
Undergrad Binding energy and radiactive decay?
- kraphysics
- · Replies 8 ·
Graduate Understanding cut off wavelength at edge of Bremsstrahlung region
- Jimbo
- · Replies 1 ·
Graduate Bhabha Scattering: Why Only Two Leading Order Diagrams?
- gamma5772
- · Replies 4 ·
Graduate Trapping Anti-Matter: Difficulties & Quantum Fluctuations
- ASD16
- · Replies 2 ·
Graduate Dimension of electric charge, hypercharge and isospin
- dimsun
- · Replies 3 ·
Undergrad What Are Neutrinos and Why Are They Important?
- D4rthV4D3r
- · Replies 7 ·
Undergrad Who is the top physicist skeptical of gravitons?
- Quantum Bum
- · Replies 6 ·
Graduate Magnetic Monopoles: Violating Conservation of Energy?
- tionis
- · Replies 2 ·
Undergrad Radiation and penetrability of materials
- SmileyMan
- · Replies 8 ·
Common Household Nuclear Reactions
- tinacoolman17
- · Replies 17 ·
Graduate How does neutrino oscillation imply that neutrinos have mass?
- umagongdi
- · Replies 10 ·
Graduate How can we fix the lightcone gauge in QCD?
- henry_m
- · Replies 4 ·
Graduate Why Does He3 Fusion Create He4 + 2 Protons?
- BWV
- · Replies 3 ·
Graduate LSZ reduction and Renormalization constants
- earth2
- · Replies 10 ·
Graduate Can a Spherical Object in Space Achieve Fusion Without External Forces?
- barycenter
- · Replies 5 ·
Graduate Implications of Higgs Particle on Physics
- Tanelorn
- · Replies 1 ·
Graduate Gamma matrices and projection operator question on different representations
- choongstring
- · Replies 3 ·
Graduate Radiolytic Oxidation: Mechanism & Effects on Nuclear Graphite
- Jack_O
- · Replies 1 ·
Graduate Is the Higgs Boson Discovery at CERN Just a Rumor?
- sanman
- · Replies 2 ·
Graduate Why do electrons not spontaneously split into neutrino/anti-neutrino pairs?
- zaybu
- · Replies 14 ·
Graduate LHCf and high-energy cosmic rays
- jal
- · Replies 1 ·
Graduate What's the Heat of Formation of Proton, Neutron and Electron?
- CutterMcCool
- · Replies 2 ·
Graduate How do Kinematic Cuts Affect Cross-Section Calculation?
- Manojg
- · Replies 2 ·
Graduate Explaining Equation (2.8) from Equation (2.6)
- Lapidus
- · Replies 3 ·
Graduate Standard Model calculation of the rest energy of a proton
- wuliwong
- · Replies 1 ·
Undergrad Converting Half Life to Becquerels
- schumi
- · Replies 3 ·
Graduate How does temperature affect the mass of the axion particle?
- memento829
- · Replies 3 ·
Graduate Applying Algebraic Topology, Geometry to Nonabelian Gauge Theory
- zahero_2007
- · Replies 3 ·
Graduate Nuclear decay rates possibly correlate with distance from Sun
- Mk
- · Replies 28 ·
Undergrad Intuitive description of Cross Sections
- haselwhat?
- · Replies 3 ·
Graduate What makes colliding neutrons bounce off one another?
- andrewkirk
- · Replies 10 ·
Graduate The Neutrino as a Majorana Particle and Ray Davis's null first experiments
- zhermes
- · Replies 4 ·
Graduate Resoance states and quark annihilation
- Master J
- · Replies 1 ·
Graduate Parity Violation of Weak Force - Wu et al.
- Master J
- · Replies 1 ·
Graduate Proton/Antiproton collision to produce top/anti-top quark pair:
- eden2291
- · Replies 1 ·
Graduate Converting from hbar = 1 to physical units
- Kreizhn
- · Replies 44 ·
Graduate Magnetic moment and binding energy
- x_engineer
- · Replies 10 ·
Graduate New result from Xenon 100 dark matter search
- petergreat
- · Replies 1 ·
Graduate How Does Strong Force Interaction Influence 2s/2as Tetraquark Decay?
- eden2291
- · Replies 3 ·
Graduate Quarks inside protons and neutrons.
- kaeksen
- · Replies 7 ·
Graduate Can quarks be separated from a proton/neutron?
- P. Brien
- · Replies 10 ·
Graduate Particle Acceleration: Is Fission a Viable Option?
- barryn56
- · Replies 7 ·
Graduate Where can I find experimental data
- Appledave
- · Replies 3 ·
Graduate Feynman trick for linear propagators?
- earth2
- · Replies 1 ·
Graduate Technicolor: quark-like particles inside Higgs?
- rogerl
- · Replies 8 ·
Undergrad Rutherford Scattering: Troubleshooting Wrong Atomic Number
- quietrain
- · Replies 5 ·
Graduate What Are the Best Resources for Learning Lattice QCD?
- K.J.Healey
- · Replies 4 ·
Graduate Difference between two varieties
- qraal
- · Replies 4 ·
Graduate Hunting for Particles in Accelerators: Revealing Virtual Reality?
- Lapidus
- · Replies 4 ·