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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Undergrad What happens when a proton and electron collide?
- SpecialKM
- · Replies 19 ·
Graduate Are the gluons that make up a proton considered virtual particles?
- Spinnor
- · Replies 12 ·
Graduate Induced scalar electric potential
- nykon
- · Replies 2 ·
Graduate What Can We Infer About the Isospin of an Alpha Particle?
- dudu1
- · Replies 1 ·
Graduate What does the R-Symmetry do to scalars and fermions in N=4 U(N) SYM?
- m2411
- · Replies 3 ·
Graduate How Can Neutrons Emit Bosons Much Heavier Than Them
- ARAVIND113122
- · Replies 13 ·
Graduate Do point particles actually have zero size or is that just a mathematical model?
- Physics-Learner
- · Replies 10 ·
Graduate Weak interactions that change lepton flavor
- Sebastian
- · Replies 7 ·
High School Creating plasma at home for a science fair project
- mat1101
- · Replies 8 ·
Graduate Why Are There No 3 Up Quark Nucleons?
- Kurret
- · Replies 3 ·
Graduate Do H- annihilation spectra vary with element?
- danR
- · Replies 7 ·
Graduate Changing the spin of an electron
- varadgautam
- · Replies 5 ·
Graduate Phonons (kintetic waves) in a plasma?
- treehouse
- · Replies 14 ·
Graduate High Energy Electron- Proton Collison
- TWest
- · Replies 10 ·
Graduate Howard Georgi's book on Lie algebras in particle phy
- Zorba
- · Replies 3 ·
Graduate What Are Control and Signal Regions in Particle Physics Experiments?
- sandiego137
- · Replies 1 ·
Graduate What are the different forces that can contribute to particle decay processes?
- Islam Hassan
- · Replies 1 ·
Undergrad Experimenting with Geiger-Müller Tube: Half-Life of Protactinium (Pa)
- _Mayday_
- · Replies 6 ·
Graduate How do the B0 and W0 mix to give the photon and Z0 their charge structure?
- Zarathustra0
- · Replies 4 ·
Graduate Why does the Meissner effect exclude magnetic fields without using Lenz's law?
- xfallingstar
- · Replies 5 ·
Graduate What is the difference between Lambda -> n + pi^0 and Lambda -> p + pi^- decay?
- Sebastian
- · Replies 1 ·
Graduate Higgs Field vs Fields Giving Rise to Virtual Particles
- Islam Hassan
- · Replies 4 ·
Graduate Why is Annihilation Not a Force?
- Islam Hassan
- · Replies 17 ·
Undergrad Energy required to ionize helium
- yxgao
- · Replies 11 ·
Undergrad Do neutrons possess electromagnetic force?
- Deepak247
- · Replies 8 ·
Graduate Could ITER's EM field create rotating plasma rings like volcanic steam rings?
- jumpjack
- · Replies 14 ·
Graduate What Factors Affect the Lifetime of B+ and Bc Mesons?
- ghetom
- · Replies 2 ·
Undergrad Radioisotopes and the Age of the Earth (criticism?)
- Disputed
- · Replies 3 ·
Graduate How to Calculate Structure Constants of SU(N) Using Kroenecker Deltas?
- Lester
- · Replies 4 ·
Undergrad Sono-luminescence produced nuclear fusion
- redwraith94
- · Replies 5 ·
High School If Uranium's half life is 4.5 billion years, why does it become waste
- AHUGEMUSHROOM
- · Replies 37 ·
Graduate Why do pions decay via the weak force if the strong force exists?
- jshoe96
- · Replies 3 ·
Undergrad How to Calculate the Energy and Wavelength of K-alpha X-rays for Aluminum?
- ghallya
- · Replies 8 ·
Graduate Bohr-Weisskopf effect in light nuclei
- eXorikos
- · Replies 1 ·
Graduate Nucleon velocity, mass, and energy in fission
- jaketodd
- · Replies 22 ·
Graduate Where does the energy from nuclear reactions come from?
- Virogen
- · Replies 2 ·
Graduate Time Dilation's Effect on Radioactive Decay
- Sothh
- · Replies 5 ·
Graduate High energy electron/electron collisions
- Dadface
- · Replies 2 ·
Graduate Are There Other Particles Besides Tachyons That Enable Time Travel?
- byron178
- · Replies 11 ·
Graduate What is the difference between MeV/c2 and MeV?
- Deepak247
- · Replies 1 ·
Graduate Periodici of radioactive decay
- lavinia
- · Replies 15 ·
Graduate Can high voltage discharge fuse deuterium and tritium in a superconducting tube?
- digital ranger
- · Replies 11 ·
Graduate Has Fermilab "Shot Down" Higgs Boson Theory?
- Gravitons
- · Replies 5 ·
Graduate WW/WZ diboson production in lepton plus jets decays at CDF
- Andy Resnick
- · Replies 46 ·
- Poll
Graduate Which force mediates a reaction in which a pion and a deuteron form two protons?
- alby
- · Replies 1 ·
Graduate If the singlet gluon existed (and I realize it doesn't)
- Zarathustra0
- · Replies 2 ·
Graduate How/why does spin affect properties of particles?
- Jarfi
- · Replies 7 ·
Graduate Antimatter atoms trapped for 16 minutes
- baywax
- · Replies 29 ·
Undergrad Energy as a 5th state of matter?
- Brainguy
- · Replies 8 ·
Graduate How to calculate nucleon velocities in atoms
- jaketodd
- · Replies 4 ·
Graduate Creation or destruction of particol in the state function
- spocchio
- · Replies 2 ·
Graduate What is mass? and is negative matter really possible
- anj16
- · Replies 8 ·
Graduate Feynmann diagram - positron representation
- prajor
- · Replies 3 ·
Undergrad What is the difference between a mass state and an interaction state ?
- fpa2011
- · Replies 3 ·
Graduate What is the 't Hooft Model and Equation in QCD?
- silmaril89
- · Replies 2 ·
Graduate Relativistic H/-H in a neutral beam accelerator
- danR
- · Replies 1 ·
Graduate Mass radii of some simple nuclei
- Coldy
- · Replies 5 ·
Graduate The Higgs Mass and Spontaneous Symmetry Breaking in Cosmology
- kalish
- · Replies 6 ·
Graduate Question on recreating the Big Bang
- Schreiberdk
- · Replies 7 ·
Graduate What happens when matter and antimatter collide?
- Rock987
- · Replies 1 ·
Undergrad Why do theoretically stable elements eventually decay?
- cshum00
- · Replies 8 ·
Graduate An axial force between neutrinos.
- BDOA
- · Replies 6 ·
Graduate Why do radiative corrections means changing particle masses?
- jeebs
- · Replies 8 ·
Undergrad Understanding Sieverts and Their Impact on Human Health
- Petr Mugver
- · Replies 7 ·
Graduate What is the role of a 1+15 Higgs-sector in GUTs?
- timb00
- · Replies 7 ·
Graduate Photon vs. Z-boson - one massive, one massless, mix of same things?
- jeebs
- · Replies 1 ·
Graduate What Happens to Neutrons in Matter/Anti-Matter Annihilation?
- hakon
- · Replies 57 ·
Graduate Are quarks inside nucleus naturally entangled?
- Varon
- · Replies 4 ·
High School What are elements 113 and 115 used for?
- Mackay1011
- · Replies 15 ·
Graduate Dimensional Regularization Problem
- tsak
- · Replies 14 ·
Graduate Color conservation in gluon fragmentation
- Manojg
- · Replies 8 ·
Undergrad Why is energy released during nuclear fission?
- Boomka
- · Replies 2 ·
Graduate Does gluon oscillation violate color conservation?
- Zarathustra0
- · Replies 4 ·
Graduate What is the significance of the Casimir operators in QCD?
- metroplex021
- · Replies 1 ·
Graduate Are all transfer in energy a result of Boson interactions?
- Skyler0114
- · Replies 2 ·
Graduate How does the Oh-My-God particle calculation give 21 years at 1516c?
- 1MileCrash
- · Replies 5 ·
Graduate Why is element 126 special in the island of stability?
- Lazernugget
- · Replies 11 ·
Graduate How do neutrons and protons behave at 1 or 2 GeV?
- Deepak247
- · Replies 6 ·
Graduate Is CERN LHC suppose to create matter or simply analyse debris of collision ?
- azoulay
- · Replies 14 ·
Graduate Types of quantum fields and where the Higgs field fits
- Varon
- · Replies 3 ·
Graduate Why is it that neutrino oscillations are allowed to happen in terms of energy?
- jeebs
- · Replies 5 ·
Graduate Particle detection during collisions
- humsafar
- · Replies 12 ·
Graduate What is the Equation on My CERN T-Shirt?
- Coin
- · Replies 8 ·
Graduate How Does Charge Affect Kinetic Energy in Particle Accelerators?
- Physicsist
- · Replies 2 ·
Graduate Fermi and Gamow-Teller beta decays
- JesseC
- · Replies 2 ·
Graduate How can you determine which bosons are used in reactions in QFT?
- Crosshash
- · Replies 4 ·
Undergrad The difference between fusion and fission?
- RADboy
- · Replies 7 ·
Graduate Field Transformations: Connections to Symmetries
- maxverywell
- · Replies 3 ·
Graduate Plasma: Electrons, Atoms and Magnetic Fields
- superg33k
- · Replies 8 ·
Graduate Why do we need more fermion generations in particle physics?
- zankaon
- · Replies 11 ·
Graduate Most Common Pu-239 Fission Chain Reaction?
- Mike_Fontenot
- · Replies 14 ·
Graduate Higgs and Antimatter explosive yield
- Varon
- · Replies 6 ·
Graduate Finding Supersymmetry: What will it mean?
- Jbcourt
- · Replies 6 ·
What are the conditions inside the LHC Atlas detector?
- Jbcourt
- · Replies 2 ·
Graduate Strong force, quarks, hadrons.
- PeterPumpkin
- · Replies 3 ·
Graduate Effective theory of bound states from QCD?
- A. Neumaier
- · Replies 10 ·
Graduate Does the Higgs field explain anything or go in circles?
- jeebs
- · Replies 7 ·
Undergrad What does Activity mean in terms of radioactive decay?
- kraphysics
- · Replies 2 ·
Graduate Proton-antiproton annihilation at 2 GeV photon energies seem too low
- Deepak247
- · Replies 10 ·
Undergrad Why is the neutral sigma baryon distinct from the neutral lambda baryon?
- barrinmw
- · Replies 1 ·