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 Can the Future Be Predicted with 100% Accuracy Using Particle Properties?

  • Chas3down
  • · Replies 3 ·
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3

Graduate A perpetual movement in matter particle

  • roineust
  • · Replies 12 ·
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12

Graduate Why Do Relativistic Particles Lose Energy Quickly?

  • rwooduk
  • · Replies 4 ·
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4

Graduate Why can't an alpha particle be captured by the nucleus?

  • rwooduk
  • · Replies 2 ·
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2

Graduate Can Expanding Space Overcome Quark Confinement in Particles?

  • stedwards
  • · Replies 3 ·
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3

Graduate \eta\to\pi^0\gamma decay (Why this decay is forbidden by J?)

  • Alex_Rob
  • · Replies 4 ·
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4

Graduate Can semi-stable isotopes oscillate between themselves and their decay products?

  • Physt
  • · Replies 18 ·
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18

Graduate Why does gamma-ray anisotropy appear in the Ni-60 transition in the Wu experiment?

  • ChrisVer
  • · Replies 2 ·
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2

Undergrad Can Alpha Emitters Cause Nearby Gasses to Glow?

  • Garlic
  • · Replies 7 ·
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7

Graduate What is the Correct Factor in the Kinematics of Two Body Decay?

  • Safinaz
  • · Replies 2 ·
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2

Free e-books on neutrino physics

  • orricl
  • · Replies 13 ·
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13

Graduate A hole in the LHC's vacuum bubble safety argument

  • LHCSafetyReview
  • · Replies 9 ·
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9

Graduate Neutron Isomerie: Can Neutronium Have Metastable Stage?

  • Garlic
  • · Replies 6 ·
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6

Graduate Dark matter annihilation into gamma rays

  • VantagePoint72
  • · Replies 8 ·
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8

Graduate Canonical quantization of spin-3/2 particle

  • zhangyang
  • · Replies 1 ·
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1

Graduate Electron Capture - X-ray or gamma-ray?

  • rwooduk
  • · Replies 6 ·
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6

Graduate Electron Capture and Coulomb's Law

  • David Carroll
  • · Replies 8 ·
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8

Graduate Cutkosky cutting rules for extracting imaginary parts in loop diagrams

  • mjsd
  • · Replies 5 ·
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5

Graduate Doing a paper on the strong nuclear force --

  • xdrgnh
  • · Replies 6 ·
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6

Graduate An Introduction to Quantum Field Theory (Peskin and Schröder) - Page 22

  • Breo
  • · Replies 13 ·
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13

Undergrad Is Geiger Counter Count Rate Equivalent to Radioactive Source Activity?

  • Rohan1997
  • · Replies 4 ·
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4

Graduate Does collision density affect particle detector physics at the LHC?

  • Michel
  • · Replies 25 ·
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25

Graduate What is the meaning of unbound in the context of half-lives of nuclei?

  • Mark lamorey
  • · Replies 10 ·
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10

Graduate Can we say the Higgs is 'the originator of Time'?

  • Gerinski
  • · Replies 10 ·
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10

Graduate Why is tau decay to three muons not allowed?

  • unscientific
  • · Replies 13 ·
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13

Graduate Negative Mass Particles: Will They Reach Infinite Speed?

  • Garlic
  • · Replies 3 ·
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3

Graduate Gauge theory with non-dynamical gauge field

  • Einj
  • · Replies 2 ·
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2

Undergrad Charge Conservation in Particle Collisions

  • chatsash
  • · Replies 11 ·
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11

Undergrad XRay Production and Bremsstrahlung

  • Mazin Nasralla
  • · Replies 3 ·
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3

Graduate How to identify S, P and D wave contributions in hadron decays

  • Naeem Anwar
  • · Replies 5 ·
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5

Graduate Neutrino detector signatures for quark and electron interactions

  • ChrisVer
  • · Replies 16 ·
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16

Graduate Fundamental Differences: MINOS and DUNE

  • nxn
  • · Replies 2 ·
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2

Graduate Glashow resonance (UHE neutrinos)

  • ChrisVer
  • · Replies 5 ·
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5

Graduate Is it possible to construct a gauge theory with local ISO(3) symmetry?

  • Einj
  • · Replies 4 ·
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4

Graduate Antiparticles are regular particles going backward in time?

  • Diggabyte
  • · Replies 13 ·
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13

Graduate Basic Questions on the Standard Model

  • Breo
  • · Replies 5 ·
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5

Graduate Ab initio calculation of neutron-proton mass difference

  • Orodruin
  • · Replies 5 ·
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5

Graduate Proton Collision Feynman Diagram

  • connorp
  • · Replies 11 ·
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11

Graduate Symmetry in Integrals: Peskin's Equation 6.43 & 6.44

  • physichu
  • · Replies 5 ·
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5

Undergrad Looking for tabular data of Isotopes

  • Mark lamorey
  • · Replies 2 ·
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2

Graduate What is the total decay rate of N(1875) from the particle data group?

  • zhangyang
  • · Replies 2 ·
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2

Graduate Can Fleeting Heavy Atoms Form Stable Molecules Before Decay?

  • JonW.24
  • · Replies 1 ·
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1

Undergrad Why extra neutrons make the nucleus unstable?

  • skepticwulf
  • · Replies 3 ·
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3

Graduate How a pair spectrometer works?

  • ShayanJ
  • · Replies 2 ·
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2

Graduate Why do neutrons and neutrinos have arrows in Feynman diagrams?

  • thegirl
  • · Replies 7 ·
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7

Graduate Verifying Ward identity equation 5.74 from Peskin

  • physichu
  • · Replies 2 ·
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2

Graduate From Effective Lagrangian to Feynman Rule

  • zhangyang
  • · Replies 1 ·
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1

Graduate Are microcanonical algorithms still used in lattice QCD?

  • Arsenic&Lace
  • · Replies 2 ·
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Graduate Can scalar particles like Higgs bosons travel through space?

  • Edward Wij
  • · Replies 4 ·
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4

Graduate Pair production differential cross section

  • ShayanJ
  • · Replies 6 ·
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6

Graduate What Is Detection Efficiency in HPGe Detectors?

  • nurul anuar
  • · Replies 4 ·
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4

Undergrad Fission of Uranium: Why U-235 is Better than U-238

  • cragar
  • · Replies 6 ·
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6

Graduate Feynman Diagrams, exchange particle?

  • CAH
  • · Replies 9 ·
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9

Undergrad Why do radium isotopes have nucleon numbers within ±10 of 228?

  • CAH
  • · Replies 3 ·
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3

Graduate The fragmentation function of ##K^{*0}## particle?

  • Chenkb
  • · Replies 2 ·
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2

Graduate Find Fusion Cross Sections for All Isotope Pairs - Data/Book/Program/Formula

  • saitzan
  • · Replies 13 ·
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Graduate Do neutrinos travel backward through time from the Big Freeze?

  • Jay Buckner
  • · Replies 5 ·
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5

Graduate What would happen if light oscillated in one plane?

  • Esther
  • · Replies 5 ·
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5

Graduate Scalar as one dimensional representation of SO(3)

  • iorfus
  • · Replies 7 ·
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7

Graduate What is the general form of the rotation matrix in SU(2) space?

  • Splinter1
  • · Replies 7 ·
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7

Graduate Why is Σ⁰→Λ+π⁰ forbidden but p+p→p+p+p+p̄ allowed?

  • unscientific
  • · Replies 4 ·
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4

Graduate Why is the electroweak cross-section zero at Z boson mass?

  • sk1105
  • · Replies 4 ·
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4

High School Is The God Particle Book Accurate for Understanding Basic Forces?

  • LukeTheCanadian
  • · Replies 4 ·
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4

Graduate What Are Sigma Regions for Observable R(D) in Theoretical Models?

  • Safinaz
  • · Replies 1 ·
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1

Graduate Weak decay, decay rate, colour-supressed and colour-allowed

  • binbagsss
  • · Replies 9 ·
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9

Graduate Why complex reps of gauge group for chiral theory?

  • Lapidus
  • · Replies 2 ·
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2

Graduate Mass condition for beta-minus vs beta-plus decay

  • rwooduk
  • · Replies 8 ·
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8

Undergrad Magic Numbers in the Nucleus: Fact vs. Fiction

  • LagrangeEuler
  • · Replies 3 ·
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3

Undergrad Rutherford's Alpha particles experiment

  • manogyana25
  • · Replies 6 ·
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6

Graduate 'Special' fourth order Feynman diagram Compton Scattering - Why is it allowed?

  • unscientific
  • · Replies 7 ·
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7

Graduate Cut-off Regularization of Chiral Perturbation Theory

  • quantatanu0
  • · Replies 1 ·
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1

Undergrad GAMSAT Strong Force Question: What Happens to Energy?

  • Squall94
  • · Replies 5 ·
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5

Graduate How do conformal transformations affect quasi-primary fields in CFT?

  • Ace10
  • · Replies 4 ·
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4

Graduate Creating Matter from Photons: Proton-Antiproton Bias?

  • Peter 99
  • · Replies 1 ·
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1

Graduate How massive is a monopole particle compared to a proton?

  • diogenesNY
  • · Replies 4 ·
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4

Graduate Micro black holes, millions / billions of years?

  • Nitox33
  • · Replies 31 ·
2
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31

Graduate The Hierarchy Problem: A Problematic Relationship between High and Low Energy?

  • fxdung
  • · Replies 1 ·
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1

Graduate Simple expression for Coloumb energy

  • unscientific
  • · Replies 9 ·
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9

Graduate What evidence led to the electroweak unification theory?

  • amenhotep
  • · Replies 3 ·
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3

Graduate Opinion on Lockheed Martin's fusion "breakthrough"

  • Glenstr
  • · Replies 2 ·
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2

Graduate Instruments to measure plasmas besides Langmuir probes?

  • 1a2
  • · Replies 1 ·
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1

Graduate Is c² in proton rest mass a variable or a unit?

  • grandpa2390
  • · Replies 11 ·
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11

Undergrad Electrical neutrality in radioactive decay

  • bwana
  • · Replies 12 ·
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12

Graduate Alternative methods for observing Grand Unification?

  • Ghostcrown
  • · Replies 1 ·
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1

Graduate Can Non-Gauge Forces Exist in the Quantum Vacuum?

  • Edward Wij
  • · Replies 1 ·
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1

Graduate The amplitude of B decay into tau neutrino

  • Safinaz
  • · Replies 2 ·
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2

Graduate Understanding Cyclotron Oscillations Frequency

  • chad mcpeek
  • · Replies 4 ·
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4

Graduate Can a plasma give off black body emission?

  • rwooduk
  • · Replies 6 ·
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6

Graduate Breit-Wigner propagator Of resonance

  • zhangyang
  • · Replies 1 ·
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1

Undergrad Does a positron in Beta+ decay interact with electrons outside the nucleus?

  • Jabberwockk
  • · Replies 4 ·
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4

Graduate CERN Alice Particle spectra behavior

  • moso
  • · Replies 5 ·
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5

Graduate LHC Dangers (really *only* stuff that's already happening?)

  • Kaktus
  • · Replies 3 ·
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3

Graduate Left-Handed Pion: Direction of Flight vs Spin

  • TheWire247
  • · Replies 1 ·
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1

Graduate What Forces Bind Quarks Within Particles?

  • fredreload
  • · Replies 1 ·
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1

Graduate Proton creation and annihilation

  • DiracPool
  • · Replies 1 ·
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1

Graduate Order in Renormalization Theory

  • taishizhiqiu
  • · Replies 6 ·
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6

Graduate Why are invariant tensors also Clebsch-Gordan coefficients?

  • Primroses
  • · Replies 1 ·
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1

Graduate Solving a specific PDE with initial conditions

  • jcuze
  • · Replies 1 ·
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1

Graduate Why Mesons Can't Be Made of 2 Quarks Alone

  • Achim
  • · Replies 4 ·
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4

Undergrad What is the meaning of squaring a number

  • Ross J
  • · Replies 4 ·
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4