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.
Threads
High School Why does a U-238 tamper increase nuclear yield of nuclear bomb?
- Flexwheeler
- · Replies 26 ·
Undergrad Understanding radioactivity levels of different isotopes
- Jimmy87
- · Replies 14 ·
Undergrad Why Are B Mesons Long-Lived and How Does B-Tagging Work?
- Malamala
- · Replies 8 ·
High School How does the Gamow window change for different reactions?
- TheCelt
- · Replies 4 ·
High School Which one is more efficient in generating high energy Gamma rays?
- Rev. Cheeseman
- · Replies 4 ·
Undergrad Understand selection rules in ##\beta##-decay/EC
- dRic2
- · Replies 3 ·
Undergrad How do you get polarized charged particles?
- BillKet
- · Replies 11 ·
Undergrad Tau Decay: More Pions, Less Ratio?
- BillKet
- · Replies 5 ·
Undergrad How is the weak force related to a change in velocity?
- SamRoss
- · Replies 4 ·
Graduate Maximum energy of X-rays from 100kV accelerating voltage
- CEDEng
- · Replies 5 ·
Undergrad Error in my derivation of de Broglie's hypothesis
- DanielR1
- · Replies 6 ·
Undergrad Have we observed asymptotically free quarks?
- awardr
- · Replies 1 ·
Undergrad Why do virtual particles obey Δt ≤ h/4π ΔE?
- LuisBabboni
- · Replies 10 ·
Undergrad Understanding Gluon Self-Interaction and Quark/Gluon Jet Differentiation
- Malamala
- · Replies 9 ·
Undergrad Why is the weak force a force?
- LuisBabboni
- · Replies 6 ·
High School Gamma rays over very large areas
- Rev. Cheeseman
- · Replies 12 ·
High School Can a high energy kinetic impact stimulate nuclear reactions?
- essenmein
- · Replies 7 ·
Undergrad What is the difference between sensitivity and efficiency in particle detection?
- kelly0303
- · Replies 2 ·
High School How Do We Interpret the Isodose Contours of HERMES III?
- Rev. Cheeseman
- · Replies 1 ·
Undergrad Which loses more energy from radiation, electrons or protons?
- Adams2020
- · Replies 9 ·
Graduate High energy symmetry breaking and laws of physics?
- Suekdccia
- · Replies 2 ·
Graduate Developing the Feynman diagram expansion
- ShayanJ
- · Replies 2 ·
Undergrad Is there anything in physics that’s random?
- Whipley Snidelash
- · Replies 26 ·
Graduate Diffussion-limited aggregation and the mobility of particles
- Sciencestd
- · Replies 2 ·
Graduate Construction of real gamma matrices
- John Greger
- · Replies 6 ·
Undergrad Majorana Neutrinos: Evidence of Particle vs. Antiparticle?
- Malamala
- · Replies 5 ·
Graduate What are the forces acting on an air particle along a fluid streamline curve?
- Aeronautic Freek
- · Replies 1 ·
Undergrad How Does Binding Energy Relate to Nucleon Distance in Atomic Nuclei?
- artis
- · Replies 17 ·
Undergrad Why does Majorana mass plot show downward branching for normal hierarchy?
- Malamala
- · Replies 5 ·
Undergrad ATLAS and CMS see signs of Higgs->muons decay
- mfb
- · Replies 17 ·
Undergrad Renormalization of scalar field theory
- Wledig
- · Replies 3 ·
High School How does the LHC send same charged particles against each other?
- docnet
- · Replies 12 ·
High School Why does the nucleus become unstable as the number of nucleons increases?
- PainterGuy
- · Replies 12 ·
Undergrad How to calculate irradiation time for H ions on W target
- Kostiantyn
- · Replies 9 ·
Graduate Spectroscopy of positronium fine structure: 4.5 sigma deviation
- mfb
- · Replies 9 ·
Undergrad Is Nuclear fusion possible at room temperature with high preassure?
- jms4
- · Replies 6 ·
Undergrad How to read this decay sheet (gamma emission after beta decay)
- dRic2
- · Replies 4 ·
Graduate Difference between generations of quarks
- bilzebor
- · Replies 7 ·
Undergrad Understanding crossing symmetry: inverse beta decay
- peguerosdc
- · Replies 4 ·
Undergrad How powerful would a collider have to be to observe a sphaleron?
- ohwilleke
- · Replies 2 ·
Undergrad Beta and gamma rays from radium
- PainterGuy
- · Replies 1 ·
High School Are electrons or protons attracted due to their magnetic moments?
- Javier Lopez
- · Replies 21 ·
Undergrad Neutron/proton nucleon destruction by acceleration
- BernieM
- · Replies 7 ·
Undergrad Electron's magnetic moment
- Gaussian97
- · Replies 0 ·
Undergrad Why does 1 amu equal both 931.2 MeV and 1.66e-27 kg?
- Stephen Bulking
- · Replies 10 ·
Graduate What pressure would be needed to cause fusion of water?
- prodigylock
- · Replies 8 ·
Undergrad Possibilty of flavor oscillation of an electron
- Helena Wells
- · Replies 52 ·
Undergrad No "i" in the Triple gluon vertex Feynman Rule
- CAF123
- · Replies 8 ·
Graduate How does the number of particles increase the surface adsorption?
- Sciencestd
- · Replies 2 ·
Undergrad Why does the 238U decay chain show only the first and final half-lives?
- nmsurobert
- · Replies 7 ·
High School Is the Energy Change and Barrier in Quantum Decay Constant for a Given System?
- Trollfaz
- · Replies 1 ·
High School Alpha particle in a force field depiction
- hawkslime
- · Replies 3 ·
Graduate LHCb discovers tetraquark state with charm quarks
- Wrichik Basu
- · Replies 6 ·
Graduate If Neutrinos are majorana particles, does this mean lepton number is not conserved?
- Helena Wells
- · Replies 4 ·
Undergrad Why does a cyclotron only impart linear momentum?
- bwana
- · Replies 2 ·
Undergrad Particle Creation function of beam energy
- Albertgauss
- · Replies 5 ·
High School Fundamental particles and mass quantization
- artis
- · Replies 13 ·
High School Can Tritium and Tritium Fuse in Deuterium-Tritium Plasmas?
- Flexwheeler
- · Replies 4 ·
Graduate Lennard Jones, 3 particles, partition function
- SchroedingersLion
- · Replies 4 ·
Graduate Neutrino decay before electroweak breaking
- Helena Wells
- · Replies 1 ·
Graduate Dark matter experiment XENON1T sees an excess at low energies
- mfb
- · Replies 14 ·
Undergrad T2K sees ~3 sigma evidence for neutrino CP violation
- mfb
- · Replies 23 ·
High School Nuclear wavefunction and Bose-Einstein condensates
- iymasomhumaan
- · Replies 6 ·
Undergrad Where does the mass of ordinary matter come from?
- fog37
- · Replies 14 ·
Undergrad Can the "same" particle be used in different experiments?
- Souma
- · Replies 8 ·
High School Amount of Plasma [g] in nuclear fusion designs
- Thomas Sturm
- · Replies 1 ·
Undergrad Understanding Nuclear Fusion Cross Section Diagrams
- BrandonBerchtold
- · Replies 2 ·
Undergrad How does the experimentalist deal with Compton Scattering?
- JD_PM
- · Replies 1 ·
Undergrad Why is the electron EDM so small in the SM?
- Malamala
- · Replies 8 ·
High School What is the significance of the newly discovered isotope, Mendelevium-244?
- Astronuc
- · Replies 0 ·
Undergrad Low p_t cuts in experimental measurements
- CAF123
- · Replies 7 ·
Graduate IceCube rules out last SM explanation of ANITA’s anomalous neutrinos
- Wrichik Basu
- · Replies 3 ·
Undergrad Special Case of Compton Scattering
- neilparker62
- · Replies 9 ·
Graduate Books/Resources related to the thermal model for particle production
- TachyonLord
- · Replies 1 ·
Undergrad What's the difference between T-odd and T-violation?
- BillKet
- · Replies 31 ·
High School Curvature radius question for my muon beam experiment
- faca
- · Replies 7 ·
Graduate Energy needed to convert a bound proton to a neutron?
- Aakash Sunkari
- · Replies 1 ·
Undergrad Governing force and Neutron elastic scattering
- oksuz_
- · Replies 11 ·
Undergrad Strong and Weak Nuclear forces at long ranges
- jaumzaum
- · Replies 2 ·
Undergrad Breaking an atom down in it's components.
- Sebas4
- · Replies 4 ·
Undergrad Questions about neutron interactions
- artis
- · Replies 20 ·
Undergrad Simplifying QFT expression with on-shell and off-shell conditions
- JD_PM
- · Replies 4 ·
Undergrad Rewriting Feynman amplitudes and the Dirac equation
- JD_PM
- · Replies 2 ·
Undergrad Spontaneous symmetry breaking from a QM perspective
- kelly0303
- · Replies 34 ·
Undergrad How Do You Calculate Traces in Compton Scattering Feynman Amplitudes?
- JD_PM
- · Replies 15 ·
High School Exact cause of radioactive decay?
- Darwin
- · Replies 35 ·
High School What is the Q Value of Beta Minus Decay?
- harsh22902
- · Replies 2 ·
Undergrad Why does the trace show up while computing unpolarized cross sections?
- JD_PM
- · Replies 1 ·
Undergrad Why Is Octupole Deformation Measurable in Nuclei but Not Dipole Deformation?
- Malamala
- · Replies 10 ·
Undergrad Compton scattering differential cross section derivation in lab frame
- JD_PM
- · Replies 4 ·
Graduate Confusions on QED renormalization
- Sven2009
- · Replies 1 ·
Undergrad Do Quark Stars Contain Hexaquarks and How Do They Affect Proton Decay?
- King Solomon
- · Replies 5 ·
High School How can a particle be its own antiparticle?
- RJ Emery
- · Replies 10 ·
Undergrad Understanding how to derive the cross-section formula in the CoM frame
- JD_PM
- · Replies 14 ·
Undergrad What are the differences between Ion Linac and Electron Linac?
- dRic2
- · Replies 4 ·
High School Were antimatter tracks observed in cloud chambers before 1932?
- Aidyan
- · Replies 1 ·
Undergrad Questions about the energy released by nuclear fission
- brent1369
- · Replies 4 ·
Undergrad Calculating 2nd Order Scattering Amplitude: Feynman Diagrams
- Markus Kahn
- · Replies 6 ·
Undergrad When is weak interaction a force?
- snorkack
- · Replies 4 ·
Undergrad Low-lying excited states in nuclei
- kelly0303
- · Replies 2 ·