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 What Does "sr" Stand For in Cosmic Ray Flux Units?
- toadehep
- · Replies 9 ·
High School Radium's Appearance: Can You See It?
- Shukie
- · Replies 4 ·
Undergrad Conversion of Electrons into Neutrons
- EinsteinII
- · Replies 8 ·
Graduate Impossibility of self constrained system of charged particles
- enroger0
- · Replies 23 ·
Graduate What Are the Latest Developments in Russia's Ion Accelerator Technology?
- Bob_for_short
- · Replies 5 ·
Graduate What is meant by the term gauge singlet ?
- arroy_0205
- · Replies 2 ·
Graduate Electric quadrupole moment and nucleus shap
- joebo
- · Replies 8 ·
Undergrad Is Antimatter Naturally Occurring in Outer Space or Only Created on Earth?
- Neopet
- · Replies 4 ·
Undergrad Understanding Radiation Sickness: Causes, Symptoms, and Treatment
- EinsteinII
- · Replies 5 ·
Undergrad Calculate Gravitational Forces Among Objects: jKarlos' Guide
- jKarlos
- · Replies 10 ·
Graduate Help! Quick Question on Calculating Quark Jet Branching Ratios
- venomxx
- · Replies 3 ·
Graduate Quick question about about a Pion decay
- venomxx
- · Replies 13 ·
Graduate High energy photons collapsing into small black holes?
- nomadreid
- · Replies 2 ·
Graduate When Does Alpha Emission Peak in the Bi-210 to Po-210 to Pb-208 Decay Chain?
- ghetom
- · Replies 1 ·
Graduate Realistic initial timeline for LHC
- JustinLevy
- · Replies 1 ·
Undergrad Understanding Quadrupole Moment of Zero/Half Spin Nuclear Charge
- Rajini
- · Replies 6 ·
Graduate 7 TeV per beam compared to 1 TeV per beam
- barnflakes
- · Replies 20 ·
Graduate Momentum conservation in collisions.
- AlphaPhoton
- · Replies 3 ·
Graduate Point source (radioactive)that emits 100 gamma per second
- Rajini
- · Replies 5 ·
Undergrad How Do You Calculate Mass Defect and Binding Energy in Nuclear Physics?
- Oli9116
- · Replies 1 ·
Graduate How is the Tevatron able to improve their Higgs boson mass exclusion range?
- humanino
- · Replies 10 ·
Graduate 1070 GeV in a single beam at LHC, topping Tevatron
- marcus
- · Replies 2 ·
Graduate How Do They Create a Neutrino Beam?
- inflector
- · Replies 9 ·
Graduate Expansion in a Small Parameter
- Dahaka14
- · Replies 4 ·
Graduate Weak interaction, fusion, and tunneling
- ephedyn
- · Replies 1 ·
Undergrad Separation of Steel Balls in a Mixture: Understanding Particle Size and Density
- crx
- · Replies 6 ·
Graduate How to prove N=1.5Z for heavy nuclei?
- prochatz
- · Replies 19 ·
New LHC monitoring portal LIVE DATA
- Xymox
- · Replies 38 ·
Graduate Quark Mass and Size: Is There Any Data?
- cbd1
- · Replies 11 ·
Undergrad Can Particles Stretch in a Particle Accelerator?
- mintparasol
- · Replies 3 ·
High School Why J.J Thomson use gold in his experiment for atomic model?
- waqarrashid33
- · Replies 10 ·
Graduate Statistical Analysis in High-Energy Physics: Methods and Applications
- iibewegung
- · Replies 2 ·
Graduate Where is the higgs boson located in the atom? or is it even in the atom?
- neutronstar11
- · Replies 2 ·
LHC Re-establishes Circulating Beams at CERN
- Vanadium 50
- · Replies 12 ·
First pictures of LHC collision events at CMS detector
- marcus
- · Replies 1 ·
Graduate Understanding Yukawa Matrices and Particle Masses
- maani
- · Replies 1 ·
Graduate What can neutrinos tell us about time?
- sciroccokid
- · Replies 6 ·
Graduate D* -> D + gamma BR calculation
- Hepth
- · Replies 1 ·
Undergrad Can Sun Radiation Penetrate Earth's Crust and Alter Rock Composition?
- YADA
- · Replies 5 ·
Graduate What Is the True Significance of Gauge Symmetry in Physics?
- kexue
- · Replies 10 ·
Graduate How Does Neutron Population Remain Stable in a Critical Mass Scenario?
- EinsteinII
- · Replies 11 ·
Graduate How Do Particles with Negative Energy Contribute to Hawking Radiation?
- jnorman
- · Replies 3 ·
Graduate Upper Bound of Photon Mass - Sources & Review Articles
- fermi
- · Replies 2 ·
Graduate Questions Regarding Energy Generating Fusion
- Denyven
- · Replies 2 ·
Graduate Particle creation and annihilation and the remaining fields problem
- heldervelez
- · Replies 43 ·
Undergrad What is the relationship between particle masses and fusion reactions?
- James_23
- · Replies 2 ·
Graduate Duck on a pound VS Cherenkov radiaton cone
- tresgog
- · Replies 1 ·
Undergrad Containing Plasma - Electric & Magnetic Fields Explained
- EvilTesla
- · Replies 5 ·
Graduate Thermal Doppler broadening in the Mossbauer effect?
- bcrowell
- · Replies 8 ·
Graduate Fusion possible with high voltage on deuterium?
- stevecheang
- · Replies 19 ·
Undergrad Welcome Questions about MC Vertex
- sir_manning
- · Replies 2 ·
Undergrad Understanding Neutron Kinetic and Potential Energy
- dschmidt12
- · Replies 2 ·
Graduate Cross section for two identical particles in the final state
- krishna mohan
- · Replies 2 ·
Graduate Is Simplifying Lorentz Invariant Measures by Coordinate Change Valid?
- mtak0114
- · Replies 1 ·
Graduate You're welcome! Keep up the good work!
- bsodmike
- · Replies 8 ·
Graduate \rho \to \pi \pi decay rate
- maelle
- · Replies 2 ·
Undergrad Calculating Flux with Inverse Square Law for Radioactive Sources
- Rajini
- · Replies 6 ·
Bird Causes CERN Atom Smasher Shutdown
- jim mcnamara
- · Replies 2 ·
Graduate Binding energy per nucleon / fission / fusion
- NotoriousNick
- · Replies 6 ·
Graduate Why is the equation for beta decay written as e- = 0 and what does it mean?
- bsodmike
- · Replies 9 ·
Graduate Au-196 decay: help reading tables
- JustinLevy
- · Replies 4 ·
Graduate What is the point of particle accelerators?
- Vdtta
- · Replies 20 ·
Undergrad Electron Deflection in Magnetic Fields: Why 90 Degrees?
- gonegahgah
- · Replies 19 ·
Graduate Radioactive flux attenuation in air - Need Help
- infinite_gbps
- · Replies 9 ·
Graduate Gravitation among individual particles
- area_man
- · Replies 23 ·
Undergrad A layman a bit scared of the LHC (as always)
- GeorgeVT
- · Replies 8 ·
Graduate C-Symmetry & P+p_bar Annihilation: Griffiths Ref. C. Baltay et al
- pastro
- · Replies 3 ·
Graduate LHC Black Hole Formation: S Hawking's Prediction Explained
- delplace
- · Replies 2 ·
High School Forces acting on a particle placed on a plate
- Arnab77
- · Replies 3 ·
Undergrad Decay rho->eta + pion is forbidden.why?
- nur.alifah
- · Replies 5 ·
Graduate Neutron Anti-Neutron Anihilation
- ScienceNerd36
- · Replies 14 ·
Undergrad Beta Decay of 32 Phosphorus - Is It Positively Charged?
- beta man
- · Replies 4 ·
Graduate How to make a neutrino interact with a target particle?
- mkbh_10
- · Replies 5 ·
Graduate In SUSY, do pions have SUSY-partners?
- ensabah6
- · Replies 15 ·
Graduate What Makes the Three Generations of Neutrinos Unique?
- wam_mi
- · Replies 3 ·
Undergrad Time Of Flight (TOF) calculator
- Nimbus1
- · Replies 1 ·
Graduate Experimental Proof that Neutrons are 3 Quarks?
- inflector
- · Replies 11 ·
Graduate Does Equal Proton and Neutron Count Define an Isoscalar Nucleus?
- krishna mohan
- · Replies 1 ·
Graduate Which fermions are chiral besides neutrinos?
- ensabah6
- · Replies 5 ·
Undergrad Visual anomalies during nuclear explosions
- winstondog
- · Replies 5 ·
Undergrad Little Boy (bomb) fission question
- pf_001
- · Replies 10 ·
Graduate CM energy for different mass/energy beams
- penguindecay
- · Replies 2 ·
Graduate Shouldn't the particle and anti-particle in a meson annihilate?
- ScienceNerd36
- · Replies 1 ·
Graduate Singular external potential in a field theory?
- evilcman
- · Replies 1 ·
High School Atomic Nucleus: How Does It Get Energy?
- bumble_bee
- · Replies 4 ·
Graduate Nuclear explosion in space x-rays hit atmosphere.
- Spinnor
- · Replies 7 ·
Graduate Understanding Isotropic Decay: Solving Jackson's Problem
- dioib
- · Replies 5 ·
Graduate Sr-90 Dirty Bomb: Radiation Levels & Health Effects
- 4460
- · Replies 8 ·
Graduate Energy flux in sun gives rise to polarization of plasma in sun?
- Spinnor
- · Replies 4 ·
Graduate Decay process scheme of 57-Cobalt
- Rajini
- · Replies 7 ·
Graduate The neutrino its own antiparticle?
- Unredeemed
- · Replies 13 ·
Undergrad How Does Uranium-Lead Dating Explain Age Differences in Rock Layers?
- Impulse2
- · Replies 2 ·
Graduate What Insights Do Probability Plots of Atomic Partons in Hydrogen Reveal?
- Bob_for_short
- · Replies 7 ·
Graduate Thermal Cross Sections: Find Info on Boric Acid, O2, Uranium, Water, etc.
- virgileso
- · Replies 1 ·
Graduate Heavy Hydrogen: Proton, Muon/Tauon - Stability?
- scupydog
- · Replies 8 ·
Graduate Does binding energy mean energy has a mass?
- brandy
- · Replies 12 ·
Graduate Can annihilation in flight produce higher energy γ-rays?
- ksambourship
- · Replies 10 ·
Apparently, Higgs bosons created in an alternative future can alter the present.
- kashiark
- · Replies 14 ·
Graduate Meaning of hypercharge in electroweak theory?
- Mr. Apple
- · Replies 1 ·
Undergrad Is the Higgs boson already found?
- neutronstar11
- · Replies 2 ·