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 Low-lying excited states in nuclei
- kelly0303
- · Replies 2 ·
Graduate "Reversal" of Nuclear Decay in Beta Emitters
- Aakash Sunkari
- · Replies 4 ·
Undergrad Building a muon Cherenkov detector
- a_cool_username
- · Replies 8 ·
Undergrad Are Hadrons and Gluons Symmetric Against Interchange of Colours?
- PeroK
- · Replies 8 ·
Graduate Predicting the positive parity and zero spin of the Higgs boson?
- Intesar
- · Replies 7 ·
Undergrad The SO(3) group in Group Theory
- sophiatev
- · Replies 5 ·
High School How Does Nucleon Shape Relate to Quark Number and Electric Quadrupole Moment?
- jk22
- · Replies 4 ·
Graduate W+/W- bosons ratio in proton-proton collision
- Vicga
- · Replies 5 ·
Undergrad Looking for Experimental Data on Isotopes (Nuclear Physics and Engineering)
- Admiralibr123
- · Replies 6 ·
Undergrad Estimating decay yields from fits to these distributions
- Floyd_13
- · Replies 2 ·
Undergrad Best Formula for Fitting Nuclear Charge Radius Data
- kelly0303
- · Replies 17 ·
Undergrad Neutrino Helicity and Spin Uncertainty
- Coltrane8
- · Replies 1 ·
Undergrad Why do nuclei need neutrons to bind protons together?
- artis
- · Replies 5 ·
High School Relationship between wavelength and concentration of particles
- angela6884
- · Replies 16 ·
Undergrad Transmission electron microscope beam focusing
- artis
- · Replies 2 ·
High School BBC documentary on the Omega-minus discovery (1964)
- PeroK
- · Replies 7 ·
Undergrad Accelerator physics terminology: β-beat, tune, coupling, dynamic aperture
- Wrichik Basu
- · Replies 16 ·
Graduate Why do protons and neutrons contain exactly 3 quarks?
- mathman
- · Replies 7 ·
Undergrad Why can a sigma hyperon decay into 2 or 3 gamma hyperons?
- sysprog
- · Replies 19 ·
High School Does the Feynman diagram process actually exist, or is it just for computation?
- ronnie snooker
- · Replies 4 ·
High School How Do Quarks Affect Subatomic Particles in Quantum Chromodynamics?
- Attu
- · Replies 2 ·
Undergrad Right chiral vs left chiral electrons in the standard model
- HBrown
- · Replies 2 ·
High School Thin tracks in cloud chamber with Am-241 source instead of alpha particles
- Josh_Moore23
- · Replies 3 ·
Undergrad Query regarding Fermi Gas model
- Saptarshi Sarkar
- · Replies 14 ·
High School How are Fermions formed from energy?
- DrDoc
- · Replies 5 ·
Undergrad How Can Neutral Currents Be Detected in Particle Physics Experiments?
- Wledig
- · Replies 8 ·
Graduate Why does this amplitude not vanish by the Ward identity?
- weningth
- · Replies 2 ·
Undergrad Quadrupole deformation in nuclei
- kelly0303
- · Replies 9 ·
Undergrad Lab frame and accelerator frame
- Ruihu Zhu
- · Replies 4 ·
Undergrad Awesome cloud chamber track (video)
- Ben123
- · Replies 7 ·
Undergrad Involuted planes within a circle, Klingelnberg-Palloid involute
- artis
- · Replies 13 ·
Undergrad Understanding Nuclear Rotation: Quantum Numbers and Wavefunctions
- kelly0303
- · Replies 1 ·
Graduate Delta Baryon Quartet: Constructing from SU(2) Symmetry
- lalo_u
- · Replies 1 ·
Undergrad What is the Ideal Plasma Pressure for Successful Fusion?
- korneld
- · Replies 3 ·
Graduate What is the energy release of the CNO cycle in carbon fusion?
- VictorMedvil
- · Replies 12 ·
Undergrad Static and dynamic excited states
- kelly0303
- · Replies 3 ·
Undergrad Relationship between Pileup and inelastic collision events
- Ruihu Zhu
- · Replies 6 ·
High School Is glow in the dark shirt radioactive?
- chirhone
- · Replies 6 ·
High School Neutrons, fertile, fissile and fissioning
- Flexwheeler
- · Replies 8 ·
Undergrad Simple explanation for cross section ratio
- kelly0303
- · Replies 3 ·
High School Dark Matter: 6-Quark Particle?
- BWV
- · Replies 8 ·
Graduate How can the generators of ##U(1)## be traceless?
- MathematicalPhysicist
- · Replies 1 ·
High School Absorption of beta particles by lead
- Elbow_Patches
- · Replies 5 ·
Graduate Symmetric limit in Peskin's and Schroeder's (page 655)
- MathematicalPhysicist
- · Replies 4 ·
Undergrad Why won't my homemade cloud chamber show particle tracks?
- doggonemess
- · Replies 9 ·
Graduate Possible typo in equations 18.204-18.205 of Peskin and Schroeder
- MathematicalPhysicist
- · Replies 5 ·
Undergrad How Does Hydrogen-Boron Fusion Work?
- hagopbul
- · Replies 5 ·
Undergrad Why is the nuclear force attractive for T=1 pairing but repulsive for T=1 states?
- kelly0303
- · Replies 11 ·
Undergrad Why does EDM imply time reversal violation in electrons but not in water molecules?
- kelly0303
- · Replies 9 ·
Graduate A derivation in Peskin and Schroeder in chapter 18.
- MathematicalPhysicist
- · Replies 2 ·
Undergrad Propagator of a Scalar Field via Path Integrals
- Wledig
- · Replies 3 ·
Undergrad Nucleus energy levels, neutron energy
- artis
- · Replies 15 ·
High School States of Matter - particles or atoms?
- Cyberspace
- · Replies 6 ·
Undergrad Understanding Coherent Neutron Scattering in Hydrogen Molecules
- kelly0303
- · Replies 7 ·
Undergrad Schwartz QFT book, equation 15.59
- Pnin
- · Replies 4 ·
High School Why quark charges in multiples of e/3 don't contradict charge quantization
- Rishabh Narula
- · Replies 3 ·
Graduate Electromagnetic transitions of ##\psi(2S)##
- B4cklfip
- · Replies 2 ·
Undergrad Why does mass matter in Rutherford's experiment?
- Jufa
- · Replies 23 ·
Undergrad Confused about the effective range
- kelly0303
- · Replies 5 ·
Undergrad Isospin Operator: Act on |ud> State
- B4cklfip
- · Replies 3 ·
Undergrad Antimatter energy from a small amount of mass
- Galactic explosion
- · Replies 24 ·
Graduate Difference between proportional and mini drift tubes in the D0 experiment
- Federica
- · Replies 3 ·
Undergrad Inner Product Between States of Multiple Particles
- Wledig
- · Replies 6 ·
Undergrad Cross Section Formula in Peskin and Schroeder
- Wledig
- · Replies 8 ·
High School Anti-matter and matter annihilation
- Flexwheeler
- · Replies 3 ·
High School Deuterium and Tritium in Nuclear Fusion Bombs: A Powerful Combination
- Flexwheeler
- · Replies 1 ·
Undergrad Does the Charge Conjugation Operator Affect Gamma Matrices Similarly?
- The black vegetable
- · Replies 2 ·
High School Practical applications of quantum field theory outside particle physics
- debilo
- · Replies 3 ·
Undergrad Why do gluons travel at c if their speed shouldn't depend on electric charge?
- Bob3141592
- · Replies 6 ·
Graduate Calculation of amplitude with n=5, k=3 using the book by Arkani-Hamed et al
- nrqed
- · Replies 0 ·
Undergrad Effective ways of accelerating a 50 picogram particle
- BrandonBerchtold
- · Replies 18 ·
Graduate Why does a layer-like structure occur in a cold plasma?
- Indula
- · Replies 11 ·
Graduate Is My Localized Yang-Mills Theory Solution Correct?
- Antarres
- · Replies 1 ·
Undergrad Alpha decay: why Helium nuclei?
- haushofer
- · Replies 8 ·
Undergrad Values of the coupling constants
- gerald V
- · Replies 3 ·
Undergrad Can Bose-Einstein condensed helium-4 stimulate alpha emission?
- Spinnor
- · Replies 3 ·
Undergrad Why don't nuclei split at thermal energies?
- Zahid Iftikhar
- · Replies 11 ·
Graduate Gravitational attraction of a particle to a plate
- pervect
- · Replies 1 ·
Graduate An exact expression for the fine structure constant
- Hans de Vries
- · Replies 1 ·
Graduate What are Virtual Particles? A 10 Minute Introduction
- Greg Bernhardt
- · Replies 2 ·
Undergrad Effects of photons having a finite mass
- Saptarshi Sarkar
- · Replies 1 ·
Undergrad What is the Minimum Neutron Energy Required for Lithium Fission?
- B4cklfip
- · Replies 1 ·
High School Why can I only resolve tangentially on a point particle?
- etotheipi
- · Replies 10 ·
Graduate Parameters of neutrino interactions in targets?
- morenopo2012
- · Replies 3 ·
High School How does carbon 14 have such a perfect halflife?
- kevinmorais
- · Replies 54 ·
Undergrad Article: Supernovae sparked by dark matter in white dwarfs
- .Scott
- · Replies 2 ·
Undergrad Why can we not produce a "giant" nucleus?
- fxdung
- · Replies 37 ·
Undergrad On the weak force and beta decay
- DaTario
- · Replies 27 ·
Undergrad Fissionable and Fissile materials
- Bashayer Abdullah
- · Replies 1 ·
Undergrad Color state of quarks in quark-gluon plasma
- Natchanon
- · Replies 2 ·
Undergrad Why Does the Higgs Boson Prefer to Decay into W Bosons Over Z Bosons?
- kelly0303
- · Replies 2 ·
Undergrad What are the global symmetries before and after symmetry breaking?
- wormwoodsilver101
- · Replies 1 ·
Undergrad Single-particle phase spaces for a system of interacting particles
- Riotto
- · Replies 2 ·
High School Can elementary particles truly be at rest in an E field?
- nmsurobert
- · Replies 11 ·
High School How do ultra-high-energy gamma rays interact with matter?
- neanderthalphysics
- · Replies 4 ·
Undergrad New proton radius measurement with electrons favors "muon value"
- mfb
- · Replies 23 ·
Graduate Understanding the Form Factor in Electron Scattering
- Fosheimdet
- · Replies 2 ·
Undergrad Tritium Phosphorescence: Understanding Electron Capture and Phosphor Changes
- Joseph M. Zias
- · Replies 5 ·
Undergrad How is ##\Phi \rightarrow K^{+}K^{-}## decay possible?
- mPlummers
- · Replies 4 ·
Undergrad Energy resolution of a homogeneous calorimeter
- hipa7
- · Replies 1 ·