High Energy, Nuclear, Particle Physics Forum

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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.
Undergrad Do nucleons have a lower energy state when bound in a nucleus?
  • pkc111
  • · Replies 15 ·
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Undergrad Uncertainty of histogram bins from MC-simulation
  • minits
  • · Replies 7 ·
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High School Prevalence of nuclear decays accompanied by gamma emission
  • Petr Matas
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Graduate Branching ratios | Higgs phenomenology
  • JD_PM
  • · Replies 13 ·
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Graduate Granular convection (particle distribution) calculation
  • Viky1147
  • · Replies 21 ·
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High School Can a hydrogen atom become a neutron?
  • ProjectFringe
  • · Replies 5 ·
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High School Symmetry of parity: Mistake in the experiment?
  • Whatif42
  • · Replies 2 ·
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Graduate Standard radionuclides used in energy detector calibration
  • avicenna
  • · Replies 4 ·
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Undergrad Solutions for problems in David Griffiths introduction?
  • greengluon
  • · Replies 1 ·
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Graduate Understanding that QCD is not CP invariant
  • JD_PM
  • · Replies 38 ·
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Undergrad Down Quark: Composed of Up Quark and Electron?
  • daisey
  • · Replies 12 ·
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Undergrad Need some help with trace calculation in an index theorem
  • Othin
  • · Replies 2 ·
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Undergrad Diminishing returns from particle accelerators
  • BWV
  • · Replies 7 ·
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Undergrad Nuclear knockout reactions - why does a proton knockout a neutron?
  • skh149
  • · Replies 1 ·
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Undergrad Orbital magnetic dipole moment of a proton
  • abdossamad2003
  • · Replies 2 ·
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Undergrad Can 41Ca Decay to 40K through Proton Removal in Certain Situations?
  • ProjectFringe
  • · Replies 14 ·
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Graduate Creating a new compound (involving K,Ca,H,N). Is it possible?
  • ProjectFringe
  • · Replies 1 ·
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Undergrad Radioactive decay question for K --> Ca
  • ProjectFringe
  • · Replies 11 ·
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Undergrad Sgr A* better DM halo/core of 56KeV Fermions than BH
  • .Scott
  • · Replies 2 ·
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2
Undergrad What does a quark content that is divided by a square root-mean?
  • swampwiz
  • · Replies 2 ·
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Undergrad C-parity π+ π- π0: Is (-1)^L (+1) Correct?
  • ln(
  • · Replies 3 ·
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Graduate Photon self-energy in the finite temperature field theory (real -time)
  • Tian
  • · Replies 4 ·
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4
Undergrad Unbihexium could have a half-life of millions of years?
  • swampwiz
  • · Replies 4 ·
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4
Undergrad Are the daughter particles Ionized when the parent particle beta decays?
  • rpthomps
  • · Replies 9 ·
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Undergrad Particle behavior in Penning trap
  • Malamala
  • · Replies 13 ·
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13
Graduate Can Proton-K Potassium Fusion Create Calcium Isotopes?
  • ProjectFringe
  • · Replies 12 ·
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12
High School Scientists may have discovered a new force of nature?
  • Hacker Jack
  • · Replies 42 ·
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Graduate Operator Product Expansion as shown in Schwartz
  • Elmo
  • · Replies 4 ·
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Undergrad Two stage amplifier for a plastic scintillator
  • tryingtolearn1
  • · Replies 6 ·
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Graduate The vertex factors in QCD penguin operators
  • Elmo
  • · Replies 4 ·
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4
Undergrad Experience based on Millikan's experiment
  • Psi-fi
  • · Replies 8 ·
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8
Undergrad Algorithmic model for primary decay chains
  • Admiralibr123
  • · Replies 1 ·
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Undergrad B -> s µµ decays: Current status
  • mfb
  • · Replies 49 ·
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High School Is Z0 Particle Real Without Flavor-Changing Interactions?
  • AdvaitDhingra
  • · Replies 5 ·
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Graduate Nuclear Fusion Device Idea Utilizing Carbon Nano-Tubes: A Feasibility Analysis
  • Aero Stud
  • · Replies 5 ·
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Undergrad Fission vs Cluster Decay: What is the Difference?
  • snorkack
  • · Replies 4 ·
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Graduate Calculation in Perturbative QCD by Muller
  • MathematicalPhysicist
  • · Replies 7 ·
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Undergrad Some Specific Questions Regarding Nuclides
  • rtareen
  • · Replies 5 ·
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Graduate Taylor series expansion of functional
  • vishal.ng
  • · Replies 4 ·
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Graduate What determines particle size in an atomizing spray nozzle?
  • Twigg
  • · Replies 3 ·
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High School A Slow Day In Physics Land. Is There A Holiday?
  • ohwilleke
  • · Replies 2 ·
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Undergrad Pion Decay Rate: Verifying Decay Rate Formula
  • JD_PM
  • · Replies 13 ·
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Undergrad What are these directional energetic particles?
  • Kosdon3200
  • · Replies 4 ·
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Graduate Why Can't a Top Quark Decay Into a Charm or Up Quark?
  • Paul159
  • · Replies 2 ·
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High School Article: "Monster" antimatter particle "slams" into Antarctica
  • DaveC426913
  • · Replies 10 ·
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High School Nuclear fusion question -- Calculations for Hydrogen fusing into Helium
  • luckis11
  • · Replies 20 ·
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Undergrad How to determine matching coefficient in Effective Field Theory?
  • Markus Kahn
  • · Replies 1 ·
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High School Radiation detector types/physics
  • artis
  • · Replies 24 ·
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Undergrad Books about Particle Physics and some clarifications
  • latot
  • · Replies 7 ·
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Graduate How do heavier nuclei maintain stability despite requiring energy for fusion?
  • wasi-uz-zaman
  • · Replies 2 ·
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High School Why Photon & Gluon are Exceptions from Higgs Field
  • Stevexyz
  • · Replies 7 ·
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Undergrad Statistic uncertainties in cross section plots - how to calculate?
  • Amy_93
  • · Replies 4 ·
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Undergrad Video lectures in Nuclear and Particle physics? (Undergraduate)
  • rnielsen25
  • · Replies 1 ·
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Undergrad The LHC: A Giant Bent Klystron Tube?
  • artis
  • · Replies 23 ·
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Graduate Second derivative of Heaviside step function
  • abhinavabhatt
  • · Replies 3 ·
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High School The influence of Gravity on particles
  • Fadicando
  • · Replies 9 ·
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Undergrad Dark Matter Numbers: Baryon & Lepton Conservation
  • snorkack
  • · Replies 1 ·
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Undergrad Quantum Tunneling in the Sun and Conservation of Energy
  • Jimmy87
  • · Replies 2 ·
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Graduate What is the problem with the particle masses in the Standard Model?
  • ChrisVer
  • · Replies 1 ·
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Undergrad Decay time of different types of bosons, hadrons and fermions
  • Incurably Curious
  • · Replies 2 ·
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Graduate Calculating Boosted Relativistic Normalization in Quantum Field Theory
  • abhinavabhatt
  • · Replies 4 ·
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Graduate How to find the gamma function for a fermion vacuum energy calculation?
  • The black vegetable
  • · Replies 1 ·
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High School What is meant by decay constant?
  • erazork
  • · Replies 7 ·
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Undergrad Strange quarks, Strange stars and Strangelets?
  • bbbl67
  • · Replies 6 ·
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High School Understanding Mass Excess and Atomic Mass in Nuclear Physics
  • artis
  • · Replies 7 ·
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High School Why is air more dense closer to the Earth's surface? - particle's view
  • Martian2020
  • · Replies 41 ·
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Undergrad What is the main challenge of high energy physics?
  • dara1998
  • · Replies 7 ·
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Undergrad Causality for internel vertex in Feynaman diagrams
  • dontknow
  • · Replies 3 ·
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Undergrad Uncertainties of the hadronic corrections for electron and muon
  • exponent137
  • · Replies 3 ·
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Graduate Question about Color Singlet State invariance under Unitary Matrix
  • james228
  • · Replies 2 ·
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Undergrad The 1/v law for U-235 cross section
  • DrDu
  • · Replies 4 ·
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Undergrad Why is Uranium-236 less stable than Uranium-235 and Uranium-238?
  • Josh0768
  • · Replies 10 ·
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Undergrad Valentine Monopole & Detector Constructions
  • jake jot
  • · Replies 2 ·
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Undergrad Why do electrons never stop moving?
  • Raz Matazz
  • · Replies 3 ·
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Graduate How Do Free and Interaction Terms in Quantum Field Theory Affect Particle Mass?
  • steve1763
  • · Replies 1 ·
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Undergrad Neutron vs electron degeneracy pressure
  • PeterB
  • · Replies 9 ·
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Undergrad Static potential accelerator question
  • artis
  • · Replies 3 ·
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Graduate What Is the Self-Energy of an Electron?
  • burak_ilhan
  • · Replies 1 ·
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High School Fundamental fields and vacuum energy
  • artis
  • · Replies 6 ·
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6
High School Differences between peak dose and peak dose rate
  • Rev. Cheeseman
  • · Replies 15 ·
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15
Undergrad Understanding Plasma: Definition, Properties, and Temperature Considerations
  • physics user1
  • · Replies 13 ·
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13
Undergrad How Conductive is Ionized Air? Investigating the Physics of Plasma Cutters
  • rocket100
  • · Replies 3 ·
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Graduate What are some example Feynman diagrams in Yang-Mills theory?
  • John Greger
  • · Replies 1 ·
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Undergrad Why don’t two protons bind together?
  • Kostik
  • · Replies 4 ·
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Undergrad Heaviest particle detected so far
  • Floyd_13
  • · Replies 4 ·
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Graduate Distribution of protons inside a large nucleus
  • Kostik
  • · Replies 1 ·
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Undergrad How Does CP Violation Relate to Matter-Antimatter Asymmetry in the Universe?
  • Malamala
  • · Replies 1 ·
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Undergrad How many magnets are in the CMS experiment
  • BillKet
  • · Replies 7 ·
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Undergrad Why is the mass of the singlet meson higher than the octet mesons in QCD?
  • Malamala
  • · Replies 4 ·
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Undergrad Tau mass -- How was it measured for the first time?
  • kelly0303
  • · Replies 7 ·
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Undergrad Shape of exclusion plots of WIMP
  • BillKet
  • · Replies 1 ·
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Graduate Higgs particle and non-zero expected value in vacuum
  • Adams2020
  • · Replies 3 ·
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High School Distance covered when 22 MeV gamma rays travel through air
  • Rev. Cheeseman
  • · Replies 22 ·
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Undergrad Positron decay direction from muon
  • Malamala
  • · Replies 3 ·
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3
Undergrad What happens to the non-interacting part of protons in LHC collisions?
  • Malamala
  • · Replies 1 ·
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High School What can be interpreted if mass of product < mass of reactant?
  • songoku
  • · Replies 2 ·
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High School How can we measure the wavelength of gamma-rays?
  • avicenna
  • · Replies 10 ·
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Undergrad What is the electric charge of a neutrino?
  • BillKet
  • · Replies 6 ·
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6
High School Why does a U-238 tamper increase nuclear yield of nuclear bomb?
  • Flexwheeler
  • · Replies 26 ·
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Undergrad Understanding radioactivity levels of different isotopes
  • Jimmy87
  • · Replies 14 ·
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14