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 Cross section from subgraph in electron-proton DIS
- weningth
- · Replies 3 ·
Undergrad Can a fusion reaction propagate in a cappilary?
- Christofer Br
- · Replies 2 ·
Undergrad Energy momentum of massless particles
- Ranku
- · Replies 1 ·
High School What happens during electron capture physically?
- intothefire
- · Replies 14 ·
Undergrad Quark Model Families and Masses
- lelouch_v1
- · Replies 1 ·
Graduate Integration by parts with delta function in Klein-Gordon field derivation
- TroyElliott
- · Replies 1 ·
Undergrad Need a layman's explanation for how scientists contain antimatter
- Galactic explosion
- · Replies 21 ·
Undergrad Can Laser Pulses Produce MeV Gamma Rays?
- David lopez
- · Replies 7 ·
Undergrad MiniBooNE 6.1 sigma result: evidence for sterile neutrinos
- jim mcnamara
- · Replies 28 ·
High School The electromagnetic force of quarks
- MacGyver Megh
- · Replies 6 ·
Undergrad Neutrons, fusion and efficiency
- John Plant
- · Replies 4 ·
Undergrad Why is H burning not a B+ decay
- The forgetful one
- · Replies 9 ·
Undergrad Neutrons and neutron interactions
- Bashayer Abdullah
- · Replies 6 ·
High School Can New Protons Be Created by Accelerating Particles to High Energies?
- JT Blue
- · Replies 10 ·
High School Why does Nickel-62 have the highest BEPN?
- Jimmy87
- · Replies 4 ·
Graduate Time reversal operator unitarity in Weinberg QFT appendix C
- Antarres
- · Replies 1 ·
High School I've heard that particle physics is just like taxonomy and botany
- TechieDork
- · Replies 12 ·
Undergrad How much energy does a fission nuke actually release?
- Mohammad Hunter
- · Replies 4 ·
Undergrad Dark Matter Detector Observes Rarest Event Ever Recorded
- Buzz Bloom
- · Replies 2 ·
Graduate How does the CKM matrix phase cause CP violation?
- Utg
- · Replies 5 ·
Undergrad Do Massive Objects Like the Sun Deflect Neutrinos?
- HeavyWater
- · Replies 5 ·
Undergrad Can Majorana neutrinos explain antimatter asymmetry?
- Physics4Eva
- · Replies 8 ·
Graduate Converting JJ Thomson's q/m Units to Modern Standards
- adamws
- · Replies 2 ·
Graduate Derivation of the Yang-Mills 3 gauge boson vertex
- takunitoche
- · Replies 1 ·
Graduate Loop Corrections: A Layman's Explanation
- physics_domme
- · Replies 2 ·
Undergrad How fast are protons and electrons moving inside a star?
- PhDnotForMe
- · Replies 2 ·
Graduate Simplifying vertex correction algebra in Peskin & Schroeder page 191
- mdb71
- · Replies 3 ·
Undergrad What Natural Phenomena Resemble Nuclear Fission?
- Ranku
- · Replies 5 ·
Undergrad Gamma and beta radiation in accelerators?
- Baroo
- · Replies 49 ·
Undergrad Ionizing all electrons from atoms without excessive heat
- dsaun777
- · Replies 4 ·
Undergrad Scattering of a scalar particle and a Fermion
- foxdiligens
- · Replies 2 ·
High School Rest energies of individual nucleons considered in isolation
- etotheipi
- · Replies 2 ·
Graduate The time between when the neutrinos are emitted in double-beta decay?
- qnach
- · Replies 8 ·
Undergrad Why Does Neutron Capture Only Emit Gamma Rays and Not Charged Particles?
- SamAnotnio
- · Replies 2 ·
Undergrad Interaction of Neutrons with Matter
- SamAnotnio
- · Replies 2 ·
High School What factors contribute to an object's rest energy?
- etotheipi
- · Replies 3 ·
Graduate Average transverse momentum as a function of the longitudinal momentum
- Aleolomorfo
- · Replies 1 ·
Undergrad List of unstable and unknown hexaquarks
- snorkack
- · Replies 5 ·
High School Is Radioactive Decay Uncaused/Causeless?
- drkfuture
- · Replies 16 ·
Undergrad Fissionable elements for Fission
- fog37
- · Replies 2 ·
Graduate Effect of High-Energy Particles on Lead
- RJ Emery
- · Replies 5 ·
Undergrad Finding the 1991 Konopinski papers on atmospheric ignition
- undefined314
- · Replies 1 ·
Graduate Can Baryons with Positive Strangeness Exist?
- Federica
- · Replies 2 ·
Graduate Lepton Flavors: Beyond e-, μ-, τ-?
- Incnis Mrsi
- · Replies 6 ·
High School When does fusion or fission release energy?
- A M
- · Replies 3 ·
High School How nuclear fusion and fission differ
- A M
- · Replies 5 ·
High School Strong nuclear force and binding energy per nucleon in light vs heavy nuclei
- A M
- · Replies 14 ·
High School Mass Defect: Is my understanding correct?
- A M
- · Replies 3 ·
High School Nuclear Binding Energy: Is my understanding correct?
- A M
- · Replies 1 ·
High School Released Energy: Is my understanding correct?
- A M
- · Replies 1 ·
High School Coulomb Force: Is my understanding correct?
- A M
- · Replies 40 ·
Graduate Feynman diagrams strong process
- Aleolomorfo
- · Replies 3 ·
Graduate G-parity - where does the minus sign come from?
- Federica
- · Replies 3 ·
Graduate Interpretation of Bi-207 decay spectrum
- XLAYZ
- · Replies 6 ·
High School When to think of PE as property of a system vs of a particle
- etotheipi
- · Replies 7 ·
Undergrad Is there such a thing as a gamma particle?
- swampwiz
- · Replies 3 ·
High School Can U-233 be made into a bomb?
- Flexwheeler
- · Replies 5 ·
Graduate Why does the Wu experiment show the opposite results to my predictions?
- Federica
- · Replies 4 ·
High School Input Energy of Radioactive Decays
- A M
- · Replies 7 ·
High School Matter/antimatter hybrid atomic structures?
- atracious
- · Replies 21 ·
Undergrad Forbidden decay ##\rho^0\rightarrow \pi^0\pi^0##
- Aleolomorfo
- · Replies 4 ·
Undergrad Why isn't nuclear fusion a radioactive decay mode?
- A M
- · Replies 7 ·
High School What exactly causes the Meissner effect
- TheCelt
- · Replies 3 ·
Undergrad How to find the most likely modes of decay for a particle
- mPlummers
- · Replies 3 ·
High School Neutrinos: Fast or Slow? Can We Observe It?
- planet-75
- · Replies 2 ·
Insights The basics of positron emission tomography
- klotza
- · Replies 8 ·
High School Can a Geiger counter detect radiation from K-40 decay in the human body?
- Abu
- · Replies 9 ·
Graduate Why is irreducibility equivalent to being gamma-traceless for spinors?
- filip97
- · Replies 7 ·
Graduate Is the "massless quark" hypothesis ever useful?
- dextercioby
- · Replies 4 ·
High School Why don't neutrinos pass through atoms?
- Chrisana
- · Replies 5 ·
Undergrad Muon lifetime measurement experiment
- Aleolomorfo
- · Replies 8 ·
Undergrad How to calibrate a NaI(Tl) scintillator?
- consuli
- · Replies 13 ·
High School Radioactive decay, Stability and Halflife
- A M
- · Replies 44 ·
Graduate (A,A) representation of Lorentz group-why is it tensor?
- filip97
- · Replies 8 ·
Undergrad Atomic Electron Jump Wavelengths
- philip porhammer
- · Replies 13 ·
Undergrad How do ion sources in cyclotrons work?
- mike_gamma
- · Replies 21 ·
Undergrad Field theories in 4 dimensions
- kelly0303
- · Replies 7 ·
Undergrad Time ordering for Dirac spinors
- kelly0303
- · Replies 3 ·
Graduate Pauli's spin matrices in higher order
- pallab
- · Replies 3 ·
Undergrad FRB's source as Rail and/or Coil Guns (or mass drivers)
- dedocta
- · Replies 1 ·
Undergrad Can I detect electrons using X-ray film?
- onehj832
- · Replies 5 ·
Graduate Can Particle Physics Revolutionize Biology?
- cordless03
- · Replies 3 ·
Graduate Could the Odderon intercept be ##\alpha_\mathbb {O}(0)=0.813##?
- Anashim
- · Replies 1 ·
Undergrad 3 facts that you might not know about antimatter
- alberto91
- · Replies 8 ·
Undergrad Why is a pair of an electron and a positron unstable?
- Mayan Fung
- · Replies 14 ·
Undergrad Why does a Lagrangian matter for the standard model?
- Daniel_C
- · Replies 3 ·
Undergrad Boundary terms for field operators
- kelly0303
- · Replies 17 ·
High School Are H+ Ions Alone Considered Acids or Plasma?
- Xforce
- · Replies 2 ·
Graduate Are unstable particles ever really external lines in QFT?
- bjj
- · Replies 3 ·
Graduate Why are higher spin tensors totally symmetric?
- filip97
- · Replies 8 ·
Graduate Electron Vertex Function in QED
- Jamister
- · Replies 2 ·
Undergrad Understanding Critical Energy and Thresholds in High Energy Physics
- MathematicalPhysicist
- · Replies 11 ·
High School Can virtual particles have an imaginary mass?
- Lunct
- · Replies 6 ·
Undergrad Is a neutron a separate particle or compound?
- Ksheva
- · Replies 21 ·
High School The Term "no mass" is poorly defined
- Trooper149
- · Replies 13 ·
Undergrad Particle Accelerator with the Earth's diameter
- lucas_
- · Replies 4 ·
Undergrad How Is Particle Distribution in a Solid Angle Derived in Mechanics?
- ranger281
- · Replies 3 ·
Undergrad Mass for solving the nuclear energy level
- just_mb
- · Replies 5 ·
Graduate (Plasma Physics) Spatial uniformity of particle species
- IonReactor
- · Replies 4 ·
Undergrad What is the origin of the non-existence of right handed chiral neutrinos?
- kelly0303
- · Replies 13 ·