High Energy, Nuclear, Particle Physics Forum

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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.
Undergrad Confused about particle interactions
  • kelly0303
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Undergrad Antimatter atoms vs atoms with greater mass?
  • Garbus
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Undergrad Myers mass formula to find the valley of stability for A=56
  • Leonardo Machado
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High School What does QFT really predict about matter/anti-matter interactions?
  • hyksos
  • · Replies 6 ·
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Undergrad Nuclear Doppler broadening of resonances
  • dRic2
  • · Replies 6 ·
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High School Nuclear binding FORCE or ENERGY?
  • Sophrosyne
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High School Can We Use Nuclear Weapons to Stop a Comet Impact?
  • GaiaShield
  • · Replies 5 ·
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Undergrad Relation between tensor decomposition and helicity amplitude
  • CAF123
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Graduate Cluster Decomposition.Vanishing of the connected part of the S matrix.
  • Alex Cros
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Graduate Charge of the Vacuum in QED: Meaning & Implications
  • Malamala
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Undergrad What is the point of regularization?
  • AndrewGRQTF
  • · Replies 1 ·
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Undergrad Boltzmann particle distinguishability
  • rabbed
  • · Replies 23 ·
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Undergrad Interpreting SM Lagrangian "differential particle" terms
  • Seirios
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Graduate Verifying the Relation in Yang-Mills Theory with a Scalar Field
  • Othin
  • · Replies 30 ·
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Graduate Is There an Open Source Code for (a,n) Reaction Simulation?
  • Dimitris Catzis
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Undergrad Does a photon experience time while interacting with the weak force?
  • DHO232
  • · Replies 6 ·
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Undergrad Hadronization in electron-positron collisions
  • kelly0303
  • · Replies 3 ·
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Graduate Understanding Integration by Parts in Quantum Field Theory
  • looseleaf
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Undergrad Why do some mesons have = sign while others have ≈ in their composition?
  • kelly0303
  • · Replies 1 ·
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Undergrad Electroweak force and electrons
  • Philipsmett
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Undergrad Can a White Dwarf Collapse into a Neutron Star Without a Supernova?
  • PeterB
  • · Replies 4 ·
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Undergrad Equation of motion Chern-Simons
  • Lapidus
  • · Replies 13 ·
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Undergrad Isobar states decay probabilities
  • kelly0303
  • · Replies 1 ·
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Undergrad Critical radius for nuclear reactions
  • Decimal
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Graduate How does Peskin derive equations 2.51 and 2.52 from equation 2.50 on page 27?
  • Rapivcci
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High School How does one change the isotope of an element?
  • ScienceKid2005
  • · Replies 4 ·
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Graduate Decomposition of tensors into irreps (Georgi's book)
  • PineApple2
  • · Replies 15 ·
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High School Could you travel using nuclear bombs?
  • Audun Nilsen
  • · Replies 14 ·
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High School Differential cross sections in Pythia
  • Aleks Belov
  • · Replies 5 ·
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High School Color Confinement in Dense Regions?
  • metastable
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Graduate How Does the Majorana Neutrino Behave in Matter?
  • TroyElliott
  • · Replies 9 ·
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Undergrad What is a realistic image of quarks?
  • Zeynel
  • · Replies 54 ·
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High School Why Do Measured Nuclear Radii Differ from Predicted Values?
  • Nathan Warford
  • · Replies 6 ·
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High School Electron - Up Quark Interactions
  • metastable
  • · Replies 1 ·
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Graduate Questions from Peskin & Schroeder 5.5 about Compton Scattering
  • Wan
  • · Replies 1 ·
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Graduate Temperature of beta decay radioisotope (Sr-90)
  • Dimitris Catzis
  • · Replies 15 ·
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Undergrad What happens to the rest of the mass in Beta+ decay involving a W+ boson?
  • oksuz_
  • · Replies 3 ·
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Graduate Energy released upon ionization of different gases
  • Tane
  • · Replies 1 ·
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Undergrad Differential cross-sectional area - Rutherford's experiment
  • mw98
  • · Replies 3 ·
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Graduate Vlasov-Fokker-Plank(VFP) equation from Boltzmann equation
  • Pedro de la Torre
  • · Replies 3 ·
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Graduate Does Charge Conjugation change the electromagnetic field?
  • gjj
  • · Replies 3 ·
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Graduate Dissociative ionization Monte Carlo simulations
  • BryanCasanelli
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Undergrad What is the significance of the radioactive decay constant?
  • Bheshaj
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Undergrad Nuclear physics exercises translation from Dutch to English
  • JD_PM
  • · Replies 2 ·
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High School Do electron antineutrinos interact with anything?
  • nitsuj
  • · Replies 16 ·
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Undergrad Advancements in Cyclotron Particle Accelerator Design: A Scientist's Perspective
  • Edzim
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High School But WHY do antimatter and matter annihilate on contact?
  • biffus22
  • · Replies 1 ·
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Graduate Radioisotope-induced radioactivity in a protein molecule
  • Igor 77
  • · Replies 10 ·
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High School Can Centrifuging Nuclear Waste Recover Rare Earth Elements?
  • clunker
  • · Replies 5 ·
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High School Are Δ- and Δ+ Antiparticles of Each Other?
  • Jorji Foote
  • · Replies 2 ·
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Undergrad Making World's Smallest MEMS Accelerometer
  • Edge5
  • · Replies 1 ·
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Undergrad Particle Physics vs Quantum Field Theory vs Standard Model
  • FourEyedRaven
  • · Replies 3 ·
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Graduate Why is unitarity important for validating effective field theories (EFT)?
  • ChrisVer
  • · Replies 1 ·
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High School Deriving Exponential Decay Equation
  • Jimmy87
  • · Replies 3 ·
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High School Do Helium Atoms Decay in Complete Isolation?
  • waitshift
  • · Replies 1 ·
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Graduate Notes on Cosmic rays - wave interactions in plasmas
  • Pedro de la Torre
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Undergrad Interpretation of a cross section vs energy graph
  • rpthomps
  • · Replies 1 ·
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Undergrad Are no chemical elements truly stable?
  • jfizzix
  • · Replies 7 ·
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Graduate Intuitive Meaning of the Coleman-Mandula Theorem
  • stevendaryl
  • · Replies 8 ·
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8
Undergrad Yang-Mills Lagrangian: Is ##F^{\mu \nu}F_{\mu \nu}## a Number?
  • AndrewGRQTF
  • · Replies 6 ·
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High School Matter & Antimatter: Attraction & Annihilation Evidence?
  • Adhruth Ganesh
  • · Replies 6 ·
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Undergrad Redundancy in QCD: Is su(4)=su(2)xsu(2) Possible?
  • Marty4691
  • · Replies 2 ·
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Undergrad Why is there this extra term for this correlation function?
  • AndrewGRQTF
  • · Replies 1 ·
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Graduate Reference for the A field of the Weak Force
  • MRBlizzard
  • · Replies 2 ·
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Undergrad Deadtime in Triggers: Explained
  • kelly0303
  • · Replies 4 ·
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Undergrad Relativistic particle in non-uniform magnetic field (math)
  • msailer1234
  • · Replies 10 ·
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High School A New Way to Make Fusion Reactors More Efficient
  • NoLifeLine
  • · Replies 4 ·
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Graduate What Are the Sigma Barred Variables in Weinberg's Spin Statistics Equation?
  • filip97
  • · Replies 2 ·
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High School When does an isotope begin to decay?
  • MarkL
  • · Replies 5 ·
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Undergrad Does Lattice QCD use virtual gluons?
  • friend
  • · Replies 22 ·
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Graduate Why Is the Mixed SU(2) Term Invariant in Scalar Multiplet Models?
  • Ramtin123
  • · Replies 2 ·
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Graduate Neutron Decay: Questions & Answers
  • Dalor
  • · Replies 4 ·
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Undergrad Pair Production in Empty Space
  • Arman777
  • · Replies 4 ·
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Undergrad Feynman Diagrams: ψφ → ψφ | Tips & Advice
  • Milsomonk
  • · Replies 2 ·
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High School Can Protons Decay at High Speeds without Colliding?
  • sqljunkey
  • · Replies 5 ·
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Graduate Photons per unit of Energy in Cherenkov radiation?
  • Frigorifico
  • · Replies 1 ·
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Undergrad Gluons: Particles or Not? Evidence for their Particle Nature
  • friend
  • · Replies 12 ·
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12
High School Collider in Space? LHC Possibilities Beyond Earth
  • Al9
  • · Replies 6 ·
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6
Undergrad Top Quark Production in p-p Collisions
  • Avogadro Number
  • · Replies 3 ·
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Undergrad Standard Model (Forces interacting with Matter)
  • heavybuilder
  • · Replies 12 ·
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Undergrad Particle track resolution of the positive lambda particle
  • Davephaelon
  • · Replies 3 ·
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Graduate Relation between chirality and spin
  • Frigorifico
  • · Replies 4 ·
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Undergrad Quark flavor and color independent?
  • friend
  • · Replies 11 ·
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11
High School Could a Particle Accelerator Create a Black Hole That Destroys Earth?
  • DaveC426913
  • · Replies 108 ·
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Graduate Plotting a Bragg Curve in SRIM
  • rphys
  • · Replies 1 ·
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Undergrad Isotope clock reset debunks earth's age?
  • starseeker
  • · Replies 16 ·
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Undergrad Mass counter term is a derivative at tree level?
  • CAF123
  • · Replies 2 ·
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Graduate Vector Plasma vs. Variable Radioactive Decay
  • John_H_Davidson
  • · Replies 3 ·
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Undergrad Physical interpretation of a plasma (Te, Tv, Tr)
  • rwooduk
  • · Replies 2 ·
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Graduate Re-exciting organic scintillator
  • rphys
  • · Replies 3 ·
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Undergrad Computing QED amplitudes in a collider
  • eoghan
  • · Replies 2 ·
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Undergrad Why is Proton Radiation this Rare in Nuclear Fission Decay?
  • consuli
  • · Replies 9 ·
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Undergrad New: The CLIC 2018 Summary Report
  • mfb
  • · Replies 0 ·
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Undergrad Why there is a general lack of neutrons in the Earth?
  • Javier Lopez
  • · Replies 2 ·
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High School What is the Most Efficient Fuel for Fusion Reactors: T-D, D-D, or D+He-3?
  • Basil Currie
  • · Replies 3 ·
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Graduate Influence on Neutron spectrum due to energy loss of beam
  • andy95220
  • · Replies 8 ·
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Undergrad Where do I get raw data for plotting Bragg curve?
  • srbheese
  • · Replies 2 ·
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Undergrad What Does the Shape of the Higgs Potential Tell Us?
  • kelly0303
  • · Replies 4 ·
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4
Undergrad LHC finishes proton-proton collisions in 2018
  • mfb
  • · Replies 57 ·
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Graduate Fields transforming in the adjoint representation?
  • Juanchotutata
  • · Replies 7 ·
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