High Energy, Nuclear, Particle Physics Forum

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

Graduate How would you find the magnetic field of a spinning nucleus?

  • Crashwinder
  • · Replies 2 ·
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2

Graduate Why does electron-positron annihilation support the three-colour quark model?

  • babtridge
  • · Replies 4 ·
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4

Graduate The H (1s) electron BE=13.6eV. What about the nucleus etc?

  • what_are_electrons
  • · Replies 4 ·
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4

Graduate Group consists of a set and an operation

  • greatscott
  • · Replies 4 ·
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4

Undergrad Why Should We Care About Particles?

  • theFuture
  • · Replies 18 ·
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18

Graduate How Do Electrons in Neon Follow Pauli's Exclusion Principle?

  • DB
  • · Replies 9 ·
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9

Graduate Do neutrinos have mass and spin?

  • Reshma
  • · Replies 26 ·
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26

Graduate Quarks and Leptons: Fundamental or not?

  • Crumbles
  • · Replies 23 ·
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23

Graduate Can you tell how far a photon has traveled?

  • ktpr2
  • · Replies 14 ·
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14

Graduate Leptons produced during beta decay

  • tozhan
  • · Replies 3 ·
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3

Graduate Anti-gravitons affect on photons?

  • taeth
  • · Replies 11 ·
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11

Graduate Mathematics and concepts behind Feynman diagrams

  • Moore1879
  • · Replies 11 ·
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11

Graduate Why do gluons have 8 color combinations, not 9?

  • Kalimaa23
  • · Replies 14 ·
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14

Undergrad Mass converted to energy in fission of U-235?

  • NanakiXIII
  • · Replies 13 ·
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13

Graduate Tachyon is said to travel faster than light

  • DB
  • · Replies 13 ·
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13

Graduate How can I successfully recreate the Einstein - de Hass Effect experiment?

  • DFingles
  • · Replies 4 ·
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4

Graduate Is photon absorption by electrons a physical process or mathematical construct?

  • houserichichi
  • · Replies 11 ·
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11

Graduate Is Fermonic Spin Different from Particle Polarisation?

  • tozhan
  • · Replies 14 ·
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14
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10

Graduate Photons in 1 cubic meter at temp T

  • marcus
  • · Replies 29 ·
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29

Undergrad What is the smallest known particle in the universe?

  • lawtonfogle
  • · Replies 4 ·
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4

Graduate Potassium 40 beta decay, carbon 14 dating, and proton-pion collision problems

  • rjd1
  • · Replies 6 ·
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6

Undergrad Why is the decay rate proportional to the number of atoms present?

  • Cheman
  • · Replies 9 ·
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9

Graduate Are gravitons to gravity as photons are to light?

  • colinr
  • · Replies 24 ·
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24

Graduate Is there a formula for the elusive binding energy of heavy nuclei?

  • Orion1
  • · Replies 1 ·
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1

Undergrad What affects air drag and gravity on particles in an engine?

  • Tree Penguin
  • · Replies 11 ·
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11

Graduate Decay Data for Eu-153, Xe-131, and Tm-169: The Latest Information

  • vijay sai K.
  • · Replies 4 ·
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4

Undergrad Fusion Experiment: Cylindrical Electrodes in Electrolyte Solution

  • psah
  • · Replies 6 ·
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6

Undergrad Particle faster than light speed (taxion or toxion)

  • Arash
  • · Replies 15 ·
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15

Graduate Self-field theory compared with collision theory

  • tfleming
  • · Replies 9 ·
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9

Particle physics most important physicists

  • rattis
  • · Replies 13 ·
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13

Graduate Explain the word particle flavour

  • wolram
  • · Replies 5 ·
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5

Graduate Is the Residual Strong Force Mediated by a Single Meson or Two Quarks?

  • rayveldkamp
  • · Replies 1 ·
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1

High School Is radioactivity decay reversible or irreversible?

  • lakshmi
  • · Replies 4 ·
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4

Undergrad How can I prevent my hydrogen experiment from burning up?

  • AfterShave
  • · Replies 3 ·
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3

Graduate How does dynamical mass generation work in field theory?

  • matthias
  • · Replies 1 ·
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1

Graduate Understanding Quark Colours and Particle Interactions

  • davidmerritt
  • · Replies 6 ·
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6

Graduate Are Particles Merely Waves in Disguise?

  • TheDonk
  • · Replies 2 ·
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2

Graduate Strong interaction and isospin

  • stefano
  • · Replies 4 ·
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4

Graduate Heavy Sparticles: Detecting Problems and Limitations

  • misogynisticfeminist
  • · Replies 2 ·
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Graduate Critical distance for quark exchange

  • mat337d
  • · Replies 9 ·
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9

High School Charge of a muon and anti-muon

  • Crumbles
  • · Replies 3 ·
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3

Graduate Why do artificial black holes evaporate instantly unlike stellar black holes?

  • Jake
  • · Replies 5 ·
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5

Undergrad Electron Collisions: How do Electrons Knock Loose Atoms?

  • NSX
  • · Replies 2 ·
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2

High School How can I separate water into its main elements for a science project?

  • AfterShave
  • · Replies 2 ·
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2

Graduate How Did Feynman Determine Specific Arrow Sizes and Angles in QED?

  • BiBi
  • · Replies 2 ·
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2

Undergrad Why doesn't white light cause electron emission from zinc in the photoelectric effect?

  • EIRE2003
  • · Replies 10 ·
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10

Undergrad Does a Charged Oscillating Body Emit Radiation?

  • besiktas_1
  • · Replies 2 ·
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2

Undergrad Does Half-Life Imply Radioactive Nuclides Never Reach Zero Activity?

  • misogynisticfeminist
  • · Replies 4 ·
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4

High School Natural Sources of Background Radiation for A-Level Physics

  • transit442003
  • · Replies 1 ·
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1

Graduate Schwinger Effect: Observed or Proven?

  • wolram
  • · Replies 3 ·
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3

Graduate What is a quark field?

  • dextercioby
  • · Replies 5 ·
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5

Undergrad Do lightbulbs create photons, and is there an equation for it?

  • Glass_Wings
  • · Replies 2 ·
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Graduate Pion decay via the weak interaction

  • rayveldkamp
  • · Replies 6 ·
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6

Graduate Photon had a non-zero rest mass, based on measured helicity values?

  • rayveldkamp
  • · Replies 5 ·
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5

Graduate Diprotons or dineutrons donot exist?

  • nelufar
  • · Replies 2 ·
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2

Graduate Why does n<1 for X-rays suggest faster than light?

  • manesh
  • · Replies 3 ·
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3

Graduate How is the Energy Limit of a Uranium Atom Determined?

  • Rader
  • · Replies 2 ·
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2

Undergrad Cold Fusion Questions: Answers to Common Questions

  • Wyman91
  • · Replies 4 ·
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4

Graduate Carbon 12 Excitation Levels Up to 22.6 MeV w/ JPI Descriptions

  • besiktas_1
  • · Replies 1 ·
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1

Graduate Varying Fine Structure Constant?

  • sor2char
  • · Replies 12 ·
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12

Graduate Life on the Lattice: Matthew Nobes' QCD Technical Blog

  • selfAdjoint
  • · Replies 1 ·
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1

Graduate What Are Excitons and Their Bohr Radius in Semiconductors?

  • timmyeatchips
  • · Replies 3 ·
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3

Graduate When do particles and antiparticles annihilate?

  • Slacker
  • · Replies 11 ·
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11

High School Smaller particles between the air molecules?

  • theriddler876
  • · Replies 4 ·
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4

Graduate Is North's Theory on Plasma People and Mass-Energy Valid?

  • north
  • · Replies 18 ·
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18

Graduate Are electrons physically present in probability clouds?

  • misogynisticfeminist
  • · Replies 15 ·
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15

Nuclear disasters and scientist deaths mentioned by Dr. Kaku

  • HAL 9000
  • · Replies 15 ·
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15

Graduate Calculating Alpha Particle Ionization Spacing: 4 MeV

  • izzah
  • · Replies 1 ·
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1

High School Question- difference between plasma and ionization?

  • Lonnie
  • · Replies 3 ·
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3

Undergrad How Do You Calculate the Amounts of B and C in Radioactive Decay Over Time?

  • elsen_678
  • · Replies 1 ·
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1

Undergrad Why don't photons possess mass?

  • misogynisticfeminist
  • · Replies 86 ·
3
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86

High School Wave-Particle Duality: 20th Century Evidence

  • expscv
  • · Replies 4 ·
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4

Graduate Is it Possible to Control Positive Neutron Flow with Magnets in Zero Gravity?

  • GAWB
  • · Replies 13 ·
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13

Graduate Expanding Plasma: Equation Governing Gas Expansion

  • rich_mmiv
  • · Replies 2 ·
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2

Graduate What is the mechanism for proton decay in the Standard Model?

  • zefram_c
  • · Replies 1 ·
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1

Undergrad Can you solve the particle sliding on a movable inclinded plane problem

  • Machinus
  • · Replies 1 ·
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1

Graduate How Do Alpha Particles Compare to Other Fully Ionized Atoms?

  • Gonzolo
  • · Replies 7 ·
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7

Graduate Helical Electron Polarisation?

  • Jacko
  • · Replies 20 ·
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20

High School What is the definition of Particle ?

  • what_are_electrons
  • · Replies 15 ·
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15
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1

Graduate Why does the proton have such a long half-life?

  • Terry Giblin
  • · Replies 17 ·
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17

High School What Are Mesons? A Brief Explanation of Meson Particles

  • lakshmi
  • · Replies 1 ·
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1

Graduate Combining cross sections for Co-59 reactions to excited and ground states

  • coregis
  • · Replies 2 ·
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2

Graduate G-factors for electron, neutron and proton

  • Reality_Patrol
  • · Replies 10 ·
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10

Graduate Gluon-quark-string interaction

  • maxmax
  • · Replies 11 ·
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11

Anyone have nuclear wallet cards 2000?

  • Antimatter
  • · Replies 2 ·
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2

Graduate Is High Energy Physics Just a Complex Illusion?

  • eighth man
  • · Replies 2 ·
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2

Graduate Neutrino Decay Rate of the Zo Boson: Impact of Different Neutrino Types

  • Rothiemurchus
  • · Replies 3 ·
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3

High School Where do neutrons come from in U-235 fission reactions

  • maccaman
  • · Replies 4 ·
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4

Graduate Are Macroscopic Anti-Matter Clumps Possible in Nature?

  • underworld
  • · Replies 13 ·
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13

Graduate Nobel Prize in Physics Awarded to Caltech/MIT/UCSB Scientists

  • Ivan Seeking
  • · Replies 4 ·
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4

Graduate Turning Light Into Mass: How it Works

  • Mattius_
  • · Replies 1 ·
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1

Graduate 2004 Nobel Prize in Physics for asymptotic freedom

  • arivero
  • · Replies 7 ·
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7

Graduate How Do Orbital Dynamics Change Under Different Force Laws?

  • Odyssey
  • · Replies 3 ·
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3

Graduate Why gravity is negligible in nuclear forces

  • Andrew Mason
  • · Replies 88 ·
3
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88

Graduate Particle moving in an inverse-cube force field?

  • Farina
  • · Replies 9 ·
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9

Undergrad Doesn't wavelength require a medium?

  • Ghetalion
  • · Replies 7 ·
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7

Undergrad How Many Mesons, Baryons, and Leptons Exist?

  • KaneOris
  • · Replies 4 ·
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4

Graduate What are twons in relation to photon deceleration?

  • rokket
  • · Replies 4 ·
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4