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 Truck-deployed nuclear reactors antineutrino detector: range?

  • xpell
  • · Replies 10 ·
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10

Graduate Why ##SU(2) \times U(1)## for the SM?

  • ChrisVer
  • · Replies 3 ·
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3

Graduate ##\overline{MS}## in scalar theory references

  • Higgsy
  • · Replies 2 ·
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2

Undergrad Radon 222 What is really going on?

  • radonbc
  • · Replies 4 ·
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4

Graduate Lie Group v Lie algebra representation

  • gentsagree
  • · Replies 2 ·
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2

Graduate Counterterms in self-energy diagram

  • PineApple2
  • · Replies 2 ·
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2

Graduate Does every photopeak orginate a Compton edge?

  • carllacan
  • · Replies 2 ·
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2

Graduate Exclusive measurements at the lhc

  • CAF123
  • · Replies 3 ·
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3

Undergrad Equations for Particle Motion in Horizontal Air Flow

  • BIOS
  • · Replies 9 ·
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9

Graduate Questions on the Strong Nuclear Force

  • Metals
  • · Replies 2 ·
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2

Graduate ATLAS inclusive and sliced samples (eg W+jets)

  • ChrisVer
  • · Replies 6 ·
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6

Graduate What determines the Compton scattering angle?

  • carllacan
  • · Replies 2 ·
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2

Undergrad Why we called the Helium particle as alpha particle?

  • 123kid
  • · Replies 9 ·
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9

High School What are the basics of nanoparticles and their stability?

  • motleycat
  • · Replies 1 ·
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1

Graduate Does a photon have "resting" mass?

  • psuedoben
  • · Replies 12 ·
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12

Undergrad How to Trace Particle Trajectories in a Cartesian Box Structure?

  • fredreload
  • · Replies 15 ·
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15

Graduate Why must the Higgs' gauge symmetry be broken?

  • epsilon
  • · Replies 5 ·
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5

Graduate Questions regarding "Thermal History of the Early Universe"

  • Buzz Bloom
  • · Replies 3 ·
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3

Graduate Why Does Particle Decay? | Explained with Fermi

  • TimeRip496
  • · Replies 3 ·
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3

Undergrad Phase diagram p-v and plasmatic state

  • Ricardo Luis
  • · Replies 1 ·
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1

Graduate Electro Weak Unification Theory

  • Jimmy D
  • · Replies 3 ·
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3

Graduate Background rejection / data analysis

  • uttunni
  • · Replies 3 ·
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3

Graduate Self Quenching In Geiger-Muller Counter

  • uzair_ha91
  • · Replies 5 ·
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5

Undergrad Fission Reaction: How Many Neutrons Needed for Chain Reaction?

  • gurumi
  • · Replies 3 ·
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3

Graduate How to calculate Feynman diagrams in phi^4

  • Higgsy
  • · Replies 2 ·
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2

Graduate Energy released from annihilation

  • Einstein's Cat
  • · Replies 4 ·
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4

Graduate What is meant by "electromagnetic energy resolution"?

  • Anchovy
  • · Replies 12 ·
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12

Graduate What is the meaning of the term 'prompt muon'?

  • Anchovy
  • · Replies 5 ·
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5

Graduate Quark mixing factor in CKM matrix

  • Amith2006
  • · Replies 4 ·
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4

Undergrad Can someone please explain what plate-out is/means?

  • Adoniram
  • · Replies 1 ·
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1

Graduate Producing K+ from K0L via 'charge exchange'?

  • Anchovy
  • · Replies 4 ·
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4

Graduate What is a Synchronised cyclotron?

  • Samiha
  • · Replies 2 ·
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2

Graduate Pseudoscalar current of Majorana fields

  • Andrea M.
  • · Replies 3 ·
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3

Graduate Ryder's SU(2) Example in Quantum Field Theory

  • ShayanJ
  • · Replies 1 ·
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1

Graduate Is the Higgs mechanism a gauge transformation or not?

  • karkas
  • · Replies 2 ·
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2

Graduate Derivation of momentum for the complex scalar field

  • CAF123
  • · Replies 8 ·
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8

Undergrad How we differentiate between bosons and fermions?

  • MAKK
  • · Replies 6 ·
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6

Graduate What is electron? Is it a perfect point? What does it mean?

  • jarekduda
  • · Replies 10 ·
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10

Graduate Fusion of He, Li, Be in Z-pinches?

  • Sven Andersson
  • · Replies 5 ·
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5

Graduate Quark axial-vector current in nucleion

  • Andrea M.
  • · Replies 2 ·
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2

Graduate Why particle acceleration collisions don't cause explosions?

  • xpell
  • · Replies 18 ·
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18

Graduate Partition function and vacuum energy (basic stuff)

  • diegzumillo
  • · Replies 6 ·
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6

Graduate Plasma Physics Experimentation Platform

  • tree6014
  • · Replies 1 ·
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1

Graduate Amplitude of a process + interference term, how what?

  • moss
  • · Replies 7 ·
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7

Graduate Are all massless particles "born" at light speed?

  • xpell
  • · Replies 11 ·
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11

Graduate Specialization of Kaon Quarks: A Deeper Understanding

  • rpthomps
  • · Replies 1 ·
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1

Undergrad Radioactive particles and x rays

  • sunmoon
  • · Replies 2 ·
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2

Graduate An elementary equation manipulation in CFT

  • Lapidus
  • · Replies 5 ·
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5

Graduate Projection operators and Weyl spinors

  • CAF123
  • · Replies 6 ·
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6

Graduate How Is the Anticommutator Derived in SU(3) Algebra?

  • CAF123
  • · Replies 5 ·
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5

Graduate Is weak isospin conserved by all interactions?

  • metroplex021
  • · Replies 18 ·
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18

Graduate How many partons can you crash at once?

  • edguy99
  • · Replies 2 ·
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2

Graduate How can an eL become an eR by interacting with the Higgs?

  • kimcj
  • · Replies 9 ·
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9

Graduate Why do quarks have fractional charges?

  • tybeedave
  • · Replies 1 ·
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1

Undergrad Difference between betatrons and cyclotrons

  • Trevor Stanfill
  • · Replies 2 ·
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2

Graduate Plasma in a Vacuum Reacting to Magnetic Field

  • bueller11
  • · Replies 12 ·
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12

Graduate Why did we need a 8.3 T magnetic field in the LHC beam pipe?

  • curious.cat
  • · Replies 4 ·
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4

Graduate How could this,Sigma0 decay into Lambda and gamma, happens?

  • HanningWu
  • · Replies 6 ·
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6

Graduate Quantum Field Theory: Project Topic Ideas

  • shereen1
  • · Replies 3 ·
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3

High School When did particles gain mass in the early universe?

  • friend
  • · Replies 3 ·
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3

Graduate Gravitons Energy: Range & Dependence on Scientists

  • DaniV
  • · Replies 1 ·
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1

Undergrad Are internal forces necessary for particles to form a system?

  • ognik
  • · Replies 9 ·
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9

Graduate On the direction of particles in a tokomak

  • bwana
  • · Replies 4 ·
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4

Graduate Yukawa interaction and chirality.

  • kimcj
  • · Replies 1 ·
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1

Graduate Do Particle Collisions at the LHC Always Produce the Same Elementary Particles?

  • Ronie Bayron
  • · Replies 4 ·
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4

Undergrad Why does the LHC need to be more powerful?

  • Billson231
  • · Replies 12 ·
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12

Undergrad Does Uranium-235 Always Fission in to Kr-89 and Ba-144?

  • nwfusor
  • · Replies 1 ·
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1

Graduate What Causes Beta Decay and the Role of the Weak Nuclear Force?

  • Joespires
  • · Replies 8 ·
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8

Undergrad Why is impact parameter not directly measurable?

  • says
  • · Replies 6 ·
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6

Graduate Superpositions and complex structures

  • Billmyk
  • · Replies 4 ·
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4

Graduate Elementary particles and randomness

  • Brunolem33
  • · Replies 36 ·
2
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36

Graduate Can nuclei be used in place of atoms for stimulated emission in lasers?

  • bwana
  • · Replies 4 ·
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4

Graduate Spontaneous Fission: Isotope Decay?

  • Garlic
  • · Replies 5 ·
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5

Graduate Making Matter Out of Extra Particles

  • Ontophobe
  • · Replies 4 ·
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4

Graduate Need clarification about asymmetry term in Bethe and Weizsäcker formula

  • potatowhisperer
  • · Replies 7 ·
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7

Graduate Questions from Peskin and Schroeder

  • MathematicalPhysicist
  • · Replies 17 ·
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17

Graduate Lorentz transforming a momentum eigenstate

  • terra
  • · Replies 2 ·
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2

Graduate Can anybody confirm the following Feynman slash identity?

  • moss
  • · Replies 8 ·
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8

Undergrad Understanding Anti-Positron Chirality: The Confusion Explained

  • kimcj
  • · Replies 2 ·
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2

Graduate Cuts of a Feynman diagram and the massless limit

  • CAF123
  • · Replies 2 ·
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2

Graduate Neutrino mass state = flavour state, but how come?

  • Anchovy
  • · Replies 7 ·
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7

Undergrad Geant4 Beginner -- looking for advice

  • parazit
  • · Replies 2 ·
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2

Graduate Canonical Quantization: Explaining the Covariance Paradox

  • shereen1
  • · Replies 1 ·
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1

Graduate Can gauge symmetry breaking reveal hidden interactions at low temperatures?

  • Garlic
  • · Replies 2 ·
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2

Graduate Is the Higgs Field an Exception to Energy Being Merely a Property?

  • anorlunda
  • · Replies 3 ·
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3

Undergrad How did Meitner calculated the amount of energy lost....

  • Peter Ke
  • · Replies 6 ·
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6

High School Plasma Cooling: Liquid or Reformed Element?

  • Rahma Al-Farsy
  • · Replies 1 ·
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1

Graduate Lorentz Transformation on Left & Right Chiral Spinors

  • Phys_Reason
  • · Replies 1 ·
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1

Graduate Do We Observe Gluons Experimentally?

  • Dounia
  • · Replies 1 ·
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1

Graduate What is Plasma Flow? Explaining & Understanding

  • RJLiberator
  • · Replies 2 ·
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2

Graduate Scalar interactions amd chirality

  • kimcj
  • · Replies 3 ·
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3

Graduate H2O, HDO, D2O equilibrium concentrations

  • ScepticAmatuer
  • · Replies 3 ·
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3

Graduate Feynman diagram of annihilation-pair production question

  • throneoo
  • · Replies 6 ·
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6

Graduate Seesaw mech, CP violation, leptogenesis, lept/bary asymmetry

  • Anchovy
  • · Replies 9 ·
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9

Graduate Understanding Meson Mixed States & Why They Don't Use Imaginary Phase

  • tzimie
  • · Replies 1 ·
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1

Graduate Cherenkov radiation from neutral composite particles

  • Garlic
  • · Replies 11 ·
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11

Undergrad Energy of particles in three phases of matter

  • iMatt
  • · Replies 5 ·
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5

Graduate How fast do neutrinos travel if they have mass?

  • Ishanmu
  • · Replies 5 ·
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5

Undergrad Is energy convertible to matter?

  • Aromal
  • · Replies 19 ·
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19

Graduate Neutral particle oscillations / quantum number conservation

  • Garlic
  • · Replies 2 ·
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2