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
Undergrad Why does uranium not have any stable isotopes?
- Mrinmoy Naskar
- · Replies 5 ·
Graduate ##SU(2)## doublets, Majorana Fermions and Higgs
- spaghetti3451
- · Replies 11 ·
Graduate Resonance in Feynman lectures v1 ch23
- andrewlee
- · Replies 2 ·
High School Particle of M=0, Q=1, S=1/2, Confined?
- Spinnor
- · Replies 3 ·
Graduate Do Higgs bosons exist outside Switzerland?
- Wentu
- · Replies 15 ·
Graduate Field operator eigenstates & Fock states(Hatfield's Sch rep)
- ShayanJ
- · Replies 2 ·
Graduate Analyses in HEP and bugs in codes
- ChrisVer
- · Replies 5 ·
Graduate QFT at Finite Density: Refs & Resources for Zero T
- ShayanJ
- · Replies 7 ·
Undergrad Can Antiparticles Collide with Each Other and Create Energy?
- gabi123
- · Replies 2 ·
Undergrad Towards a matrix element definition of PDF
- CAF123
- · Replies 3 ·
Graduate Thought experiment: How to find Chronons?
- kairosx
- · Replies 1 ·
Undergrad Island of Stability - How would we detect it?
- tw60407
- · Replies 9 ·
Graduate Signal signficancies low expected events
- ChrisVer
- · Replies 4 ·
Graduate The vacuum saturation approximation
- Safinaz
- · Replies 10 ·
Graduate Path integral formula for vacuum to vacuum amplitude
- ShayanJ
- · Replies 1 ·
Undergrad Pion Detection: Finding a Film for Interference Experiment
- khelzor
- · Replies 3 ·
High School What Equations Are Relevant for a Micro Singularity in Euclidean Space Time?
- Tommy 101
- · Replies 4 ·
High School Can I find experimental data for the decay of Iodine-131?
- cj9
- · Replies 9 ·
High School Split an atom into each and every nucleon
- Albertgauss
- · Replies 17 ·
Graduate How is iodine-131 produced in nuclear reactors?
- Andrew1949
- · Replies 8 ·
High School Tally of all types of energy in the nucleus
- Albertgauss
- · Replies 2 ·
Undergrad Can the SM accomodate an anti-Higgs boson?
- Jim
- · Replies 7 ·
Graduate Entanglement and density matrix in QFTs
- ShayanJ
- · Replies 11 ·
Graduate Software for symbolic calculations in high energy physics
- illuminates
- · Replies 1 ·
Graduate Accelerating particle photon emission mechanics?
- Jarfi
- · Replies 10 ·
Graduate Deducing counter-terms for canonically quantised GR
- GogoJS
- · Replies 2 ·
Graduate Is Positron-Catalyzed Fusion Possible?
- Vardaan Bhat
- · Replies 53 ·
Undergrad How Do On-shell and Off-shell Solutions Relate in Feynman Diagrams?
- Lapidus
- · Replies 1 ·
Graduate What are the available methods to separate particles
- physea
- · Replies 3 ·
Undergrad Antimatter opposite parity to its matter partner?
- nomadreid
- · Replies 2 ·
Undergrad Symmetry factor via Wick's theorem
- CAF123
- · Replies 5 ·
High School Free Proton verses Nucleus Proton rest mass
- Albertgauss
- · Replies 2 ·
Undergrad The manufacture of ionization smoke detectors
- meb66
- · Replies 1 ·
Undergrad Is the decay of a muon always a 1 to n process?
- spaghetti3451
- · Replies 8 ·
Undergrad Where does the angular momentum go in Feynman's disk paradox?
- FallenApple
- · Replies 2 ·
Undergrad Determining the type of interaction
- maximus123
- · Replies 4 ·
High School Matter-antimatter annihilation and inflation
- stoomart
- · Replies 2 ·
High School How Does Cadmium Absorb Neutrons?
- Mary curie
- · Replies 8 ·
Undergrad Is There Really Only One Electron Traveling Through Time?
- PhysicsCheeser
- · Replies 4 ·
Graduate What are the different decay processes shown in this Feynman diagram?
- spaghetti3451
- · Replies 39 ·
Graduate Doppler Broadening in Gen 4 Nuclear Power
- snatchingthepi
- · Replies 2 ·
High School Can a single nuclear bomb power the world for 2 trillion years?
- SamP37
- · Replies 16 ·
Graduate Possible decay process for a cubic scalar self-interaction
- spaghetti3451
- · Replies 3 ·
Undergrad Higgs Boson vs Graviton: What's the Difference?
- putongren
- · Replies 15 ·
Graduate Nuclear Stability Calculations
- gildomar
- · Replies 4 ·
Undergrad Electron-Positron production by photon
- Silviu
- · Replies 10 ·
Undergrad Bare/renormalised parameters and predictions
- CAF123
- · Replies 2 ·
Undergrad Any theories muon and tau are just electrons
- kodama
- · Replies 1 ·
Graduate Why lower limits on proton decay lifetimes depend on channel
- Anchovy
- · Replies 4 ·
Undergrad Is Beta Decay Happening Inside My Glow-in-the-Dark Key Chain Made of Plexiglass?
- SigurdScience
- · Replies 4 ·
Graduate Understanding the Use of Trace in QFT Lagrangian for Chiral Symmetry in QCD
- Phis
- · Replies 1 ·
Undergrad Suppression of semileptonic lambda decays
- Fek
- · Replies 1 ·
Graduate What is Eikonalization in High Energy Hadronic Interaction Models?
- Tomishiyo
- · Replies 8 ·
Undergrad Do neutrinos ever stop oscillating?
- Anypodetos
- · Replies 11 ·
High School Why was the name Higgs given to the boson?
- genefalk
- · Replies 5 ·
High School Black Hole Explosions: Hawking's 1974 Letter to Nature
- stoomart
- · Replies 7 ·
High School Safety and legality of carbon-11
- Vardaan Bhat
- · Replies 9 ·
Undergrad Top quark heavier than the Higgs?
- bsaucer
- · Replies 4 ·
High School Why target is putting rotated on DDX experiment?
- cytksu
- · Replies 2 ·
Undergrad Cabibbo angle for coupling of quark to antiquark?
- Kara386
- · Replies 6 ·
Graduate Fetter & Walecka's derivation of second-quantised kinetic term....
- nus_phy
- · Replies 8 ·
Undergrad Can black holes split photons into elementary particles?
- stoomart
- · Replies 7 ·
Undergrad What does it mean when they say half life of a neutron
- Ahsan Khan
- · Replies 5 ·
Undergrad Does the mass of a neutron vary?
- Zahidur
- · Replies 19 ·
Undergrad Dimensions of the pion decay constant
- anthony2005
- · Replies 3 ·
Undergrad Is mass of top quark based solely on the Higgs field?
- kodama
- · Replies 7 ·
Graduate Green functions and n-point correlation functions
- ShayanJ
- · Replies 19 ·
High School The most fundamental "particle"
- Mohd Abdullah
- · Replies 14 ·
Graduate Curve Fitting Data: Gamma Spectroscopy Lab Results
- bobred
- · Replies 7 ·
Graduate Why so big of a difference in cross section by different sources?
- kiwaho
- · Replies 3 ·
Graduate Four Bosons vertex related to gauge symmetry
- Andrea_G
- · Replies 2 ·
Graduate Equivalence equation between cross section & half life?
- kiwaho
- · Replies 6 ·
Undergrad Reaction Rate: Calculations & Limitations
- Nguyen Ngoc Anh
- · Replies 5 ·
Graduate Why are photons described by real field?
- xxfzero
- · Replies 12 ·
Graduate Feynman's partons v Gell-Mann's quarks
- gamow99
- · Replies 1 ·
Undergrad New LHC Results 2015: Interesting Diphoton Excess?
- mfb
- · Replies 33 ·
High School What Happens in a Uniform Magnetic Field: The Stern-Gerlach Experiment
- nirmali
- · Replies 3 ·
High School Can a "Cat paradox" exist inside a nucleus?
- Andrew Wright
- · Replies 28 ·
Undergrad How Do Silicon Radiation Detectors Work in Detecting Beta and Gamma Radiations?
- C_Pu
- · Replies 3 ·
Graduate Isospin symmetry as an ##SU(2)## symmetry
- spaghetti3451
- · Replies 5 ·
Undergrad Calculating Cross Section for ZZ* to Electrons/Muons: Issues & Solutions
- Kara386
- · Replies 9 ·
Graduate Why does the 2gnnlo prediction in small diphoton transverse momentum diverge?
- Ramin-k
- · Replies 4 ·
Graduate Photopeaking a Scintillator Detector: What Is It?
- rawlstom
- · Replies 6 ·
Undergrad Evidence of Light-by-light scattering by ATLAS
- mfb
- · Replies 48 ·
Undergrad Why is technetium the only unstable element in its group?
- jduster
- · Replies 5 ·
Undergrad Data Collection Begins: Monitoring the Diphoton Excess
- mfb
- · Replies 123 ·
Graduate Vacuum pair creations on the light-cone
- joly
- · Replies 9 ·
High School What is the recommended method to reduce gamma ray exposure?
- Clara Chung
- · Replies 1 ·
Graduate What amount of energy is needed to make a field of plasma?
- Jonathan Brandre
- · Replies 15 ·
Undergrad Understanding Weak Isospin in SU(2) Gauge Theory
- nikkkom
- · Replies 6 ·
Undergrad I don't understand this Feynman Diagram
- 11thHeaven
- · Replies 3 ·
Graduate Plastic Scintillator: Benefits in Beta Decay Experiments
- Mrinmoy Naskar
- · Replies 4 ·
High School Where Does the Charge Come From in Electron-Positron Pair Production?
- Shervan
- · Replies 5 ·
Undergrad What triggers a radioactive nucleus to decay spontaneously?
- Recycler
- · Replies 2 ·
High School How Dangerous is Plutonium in Real Life?
- DaveC426913
- · Replies 13 ·
Undergrad Photoproduction of pions off protons
- SnoliF
- · Replies 2 ·
Undergrad Lie Algebra in Particle Physics simplified
- Silviu
- · Replies 2 ·
Undergrad One loop corrections to Compton scattering
- CAF123
- · Replies 1 ·
Undergrad Acceleration of a Particle Because of a Wave
- AndresPB
- · Replies 2 ·
Undergrad Singlet State: Symmetry vs Antisymmetry
- Silviu
- · Replies 1 ·