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 More info on HT/HD shielding constants?
- skywalker
- · Replies 1 ·
Undergrad Shooting an electron past a positive nucleus (trajectory)
- phantomvommand
- · Replies 2 ·
Undergrad Do nucleons have a lower energy state when bound in a nucleus?
- pkc111
- · Replies 15 ·
Undergrad Uncertainty of histogram bins from MC-simulation
- minits
- · Replies 7 ·
High School Prevalence of nuclear decays accompanied by gamma emission
- Petr Matas
- · Replies 1 ·
Graduate Higgs decay branching ratios and Feynman diagrams
- JD_PM
- · Replies 13 ·
Graduate Granular convection (particle distribution) calculation
- Viky1147
- · Replies 21 ·
High School Can a hydrogen atom become a neutron?
- ProjectFringe
- · Replies 5 ·
High School Symmetry of parity: Mistake in the experiment?
- Whatif42
- · Replies 2 ·
Graduate Standard radionuclides used in energy detector calibration
- avicenna
- · Replies 4 ·
Undergrad Solutions for David Griffiths Introduction to Elementary Particles
- greengluon
- · Replies 1 ·
Graduate Understanding that QCD is not CP invariant
- JD_PM
- · Replies 38 ·
Undergrad Are down quarks made of up quarks and electrons?
- daisey
- · Replies 12 ·
Undergrad Trace of L₁-L₂ in Weinberg's Maxwell-Higgs index theorem
- Othin
- · Replies 2 ·
Undergrad Diminishing returns from particle accelerators
- BWV
- · Replies 7 ·
Undergrad Nuclear knockout reactions - why does a proton knockout a neutron?
- skh149
- · Replies 1 ·
Undergrad Orbital magnetic dipole moment of a proton
- abdossamad2003
- · Replies 2 ·
Undergrad Can 41Ca Decay to 40K through Proton Removal in Certain Situations?
- ProjectFringe
- · Replies 14 ·
Graduate Creating a new compound (involving K,Ca,H,N). Is it possible?
- ProjectFringe
- · Replies 1 ·
Undergrad Radioactive decay question for K --> Ca
- ProjectFringe
- · Replies 11 ·
Undergrad Sgr A* better DM halo/core of 56KeV Fermions than BH
- .Scott
- · Replies 2 ·
Undergrad What does a quark content that is divided by a square root-mean?
- swampwiz
- · Replies 2 ·
Undergrad C-parity π+ π- π0: Is (-1)^L (+1) Correct?
- ln(
- · Replies 3 ·
Graduate Photon self-energy in the finite temperature field theory (real -time)
- Tian
- · Replies 4 ·
Undergrad Unbihexium could have a half-life of millions of years?
- swampwiz
- · Replies 4 ·
Undergrad Are the daughter particles Ionized when the parent particle beta decays?
- rpthomps
- · Replies 9 ·
Undergrad Particle behavior in Penning trap
- Malamala
- · Replies 13 ·
Graduate Can Proton-K Potassium Fusion Create Calcium Isotopes?
- ProjectFringe
- · Replies 12 ·
High School Scientists may have discovered a new force of nature?
- Hacker Jack
- · Replies 42 ·
Graduate Operator Product Expansion as shown in Schwartz
- Elmo
- · Replies 4 ·
Undergrad Two stage amplifier for a plastic scintillator
- tryingtolearn1
- · Replies 6 ·
Graduate The vertex factors in QCD penguin operators
- Elmo
- · Replies 4 ·
Undergrad Experience based on Millikan's experiment
- Psi-fi
- · Replies 8 ·
Undergrad Algorithmic model for primary decay chains
- Admiralibr123
- · Replies 1 ·
Undergrad B -> s µµ decays: Current status
- mfb
- · Replies 49 ·
High School Is Z0 Particle Real Without Flavor-Changing Interactions?
- AdvaitDhingra
- · Replies 5 ·
Graduate Nuclear Fusion Device Idea Utilizing Carbon Nano-Tubes: A Feasibility Analysis
- Aero Stud
- · Replies 5 ·
Undergrad Fission vs Cluster Decay: What is the Difference?
- snorkack
- · Replies 4 ·
Graduate Calculation in Perturbative QCD by Muller
- MathematicalPhysicist
- · Replies 7 ·
Undergrad Some Specific Questions Regarding Nuclides
- rtareen
- · Replies 5 ·
Graduate Taylor series expansion of functional
- vishal.ng
- · Replies 4 ·
Graduate What determines particle size in an atomizing spray nozzle?
- Twigg
- · Replies 3 ·
High School A Slow Day In Physics Land. Is There A Holiday?
- ohwilleke
- · Replies 2 ·
Undergrad Pion Decay Rate: Verifying Decay Rate Formula
- JD_PM
- · Replies 13 ·
Undergrad What are these directional energetic particles?
- Kosdon3200
- · Replies 4 ·
Graduate Why Can't a Top Quark Decay Into a Charm or Up Quark?
- Paul159
- · Replies 2 ·
High School Article: "Monster" antimatter particle "slams" into Antarctica
- DaveC426913
- · Replies 10 ·
High School Nuclear fusion question -- Calculations for Hydrogen fusing into Helium
- luckis11
- · Replies 20 ·
Undergrad How to determine matching coefficient in Effective Field Theory?
- Markus Kahn
- · Replies 1 ·
High School Radiation detector types/physics
- artis
- · Replies 24 ·
Undergrad How do particle physics models combine multiple properties into one framework?
- latot
- · Replies 7 ·
Graduate How do heavier nuclei maintain stability despite requiring energy for fusion?
- wasi-uz-zaman
- · Replies 2 ·
High School Why don't photons and gluons interact with the Higgs field?
- Stevexyz
- · Replies 7 ·
Undergrad Statistic uncertainties in cross section plots - how to calculate?
- Amy_93
- · Replies 4 ·
Undergrad Video lectures in Nuclear and Particle physics? (Undergraduate)
- rnielsen25
- · Replies 1 ·
Undergrad Is the LHC essentially a giant circular klystron tube?
- artis
- · Replies 23 ·
Graduate Second derivative of Heaviside step function
- abhinavabhatt
- · Replies 3 ·
High School The influence of Gravity on particles
- Fadicando
- · Replies 9 ·
Undergrad Could dark matter numbers be conserved like baryon and lepton numbers?
- snorkack
- · Replies 1 ·
Undergrad Quantum Tunneling in the Sun and Conservation of Energy
- Jimmy87
- · Replies 2 ·
Graduate What is the problem with the particle masses in the Standard Model?
- ChrisVer
- · Replies 1 ·
Undergrad Decay time of different types of bosons, hadrons and fermions
- Incurably Curious
- · Replies 2 ·
Graduate Calculating Boosted Relativistic Normalization in Quantum Field Theory
- abhinavabhatt
- · Replies 4 ·
Graduate How to find the gamma function for a fermion vacuum energy calculation?
- The black vegetable
- · Replies 1 ·
High School What is meant by decay constant?
- erazork
- · Replies 7 ·
Undergrad Strange quarks, Strange stars and Strangelets?
- bbbl67
- · Replies 6 ·
High School Understanding Mass Excess and Atomic Mass in Nuclear Physics
- artis
- · Replies 7 ·
High School Why is air more dense closer to the Earth's surface? - particle's view
- Martian2020
- · Replies 41 ·
Undergrad What is the main challenge of high energy physics?
- dara1998
- · Replies 7 ·
Undergrad Causality for internel vertex in Feynaman diagrams
- dontknow
- · Replies 3 ·
Undergrad Uncertainties of the hadronic corrections for electron and muon
- exponent137
- · Replies 3 ·
Graduate Is a color singlet state invariant under a unitary matrix?
- james228
- · Replies 2 ·
Undergrad The 1/v law for U-235 cross section
- DrDu
- · Replies 4 ·
Undergrad Why is Uranium-236 less stable than Uranium-235 and Uranium-238?
- Josh0768
- · Replies 10 ·
Undergrad Magnetic monopole detection methods and symmetry breaking
- jake jot
- · Replies 2 ·
Undergrad Why do electrons never stop moving?
- Raz Matazz
- · Replies 3 ·
Graduate How Do Free and Interaction Terms in Quantum Field Theory Affect Particle Mass?
- steve1763
- · Replies 1 ·
Undergrad Neutron vs electron degeneracy pressure
- PeterB
- · Replies 9 ·
Undergrad Static potential accelerator question
- artis
- · Replies 3 ·
Graduate What Is the Self-Energy of an Electron?
- burak_ilhan
- · Replies 1 ·
High School Fundamental fields and vacuum energy
- artis
- · Replies 6 ·
High School Differences between peak dose and peak dose rate
- Rev. Cheeseman
- · Replies 15 ·
Undergrad Can ionized gas exist at room temperature, or must plasma be hot?
- physics user1
- · Replies 13 ·
Undergrad How conductive is ionized air from a plasma cutter spark?
- rocket100
- · Replies 3 ·
Graduate What are some example Feynman diagrams in Yang-Mills theory?
- John Greger
- · Replies 1 ·
Undergrad Why don’t two protons bind together?
- Kostik
- · Replies 4 ·
Undergrad Heaviest particle detected so far
- Floyd_13
- · Replies 4 ·
Graduate Distribution of protons inside a large nucleus
- Kostik
- · Replies 1 ·
Undergrad How Does CP Violation Relate to Matter-Antimatter Asymmetry in the Universe?
- Malamala
- · Replies 1 ·
Undergrad How many magnets are in the CMS experiment
- BillKet
- · Replies 7 ·
Undergrad Why is the mass of the singlet meson higher than the octet mesons in QCD?
- Malamala
- · Replies 4 ·
Undergrad Tau mass -- How was it measured for the first time?
- kelly0303
- · Replies 7 ·
Undergrad Shape of exclusion plots of WIMP
- BillKet
- · Replies 1 ·
Graduate Higgs particle and non-zero expected value in vacuum
- Adams2020
- · Replies 3 ·
High School Distance covered when 22 MeV gamma rays travel through air
- Rev. Cheeseman
- · Replies 22 ·
Undergrad Positron decay direction from muon
- Malamala
- · Replies 3 ·
Undergrad What happens to the non-interacting part of protons in LHC collisions?
- Malamala
- · Replies 1 ·
High School What can be interpreted if mass of product < mass of reactant?
- songoku
- · Replies 2 ·
High School How can we measure the wavelength of gamma-rays?
- avicenna
- · Replies 10 ·
Undergrad What is the electric charge of a neutrino?
- BillKet
- · Replies 6 ·