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Graduate Proton anti-proton pair and CP eigenstate
- merrypark3
- · Replies 1 ·
High School Electroweak spontaneous symmetry breaking
- Carlos L. Janer
- · Replies 11 ·
Undergrad What order should we take when calculating QFT amplitudes?
- davidge
- · Replies 12 ·
High School Do temperature and gravity affect particle or nuclear decay?
- nitsuj
- · Replies 7 ·
Graduate What is the origin of Cerium 133 and Dysprosium 151?
- Shaimaa Hassan
- · Replies 3 ·
High School Positron g-factor value compared to CODATA electron data
- quiet
- · Replies 7 ·
Graduate Any good idea how non-abelian gauge symmetries emerge?
- jakob1111
- · Replies 4 ·
Undergrad Why is quark charge exactly 1/3 or 2/3 the lepton charge?
- harrylentil
- · Replies 13 ·
Undergrad Does Cm-247 count as a third Mattauch violation?
- snorkack
- · Replies 11 ·
Graduate Wilsonian RG and Effective Field Theories
- Scott1137
- · Replies 2 ·
Graduate Do the equations of motion simply tell us which degrees of freedom apply?
- jakob1111
- · Replies 3 ·
Graduate What is the global symmetry broken in the Higgs mechanism?
- jakob1111
- · Replies 4 ·
Undergrad How does energy relate to the Lagrangian in particle mechanics?
- Andrea Vironda
- · Replies 2 ·
High School Why uranium dioxide is used in nuclear reactors?
- Karagoz
- · Replies 2 ·
High School Tritium, beta decay, spatial parity
- nitsuj
- · Replies 2 ·
Undergrad What´s the cosmic ray's energy dependence?
- morenopo2012
- · Replies 3 ·
Graduate Is Negative Mass Related to Antimatter in Physics?
- The Count
- · Replies 18 ·
Undergrad Shift of momenta cures IR divergence?
- CAF123
- · Replies 6 ·
Undergrad Photon momentum in deuteron photodisintegration reaction
- oksuz_
- · Replies 5 ·
High School How many photos of the Higgs were taken before 7.4.12?
- gamow99
- · Replies 10 ·
Graduate Neutrino flux at event horizon
- corbymite
- · Replies 3 ·
Graduate H-BOMB ''castle bravo'' -- Why was the yield so high?
- asaf154
- · Replies 14 ·
Graduate How do we know the spins of elementary particles?
- Shen712
- · Replies 6 ·
High School Direct detection of Planck mass WIMPs?
- jcap
- · Replies 3 ·
Undergrad Best way to get an overview of research happening at CERN
- Ananthan9470
- · Replies 3 ·
Undergrad Detecting WIMPs with superconductors?
- jcap
- · Replies 3 ·
High School Tidal effect in the balance of Coulomb and nuclear forces?
- Eric Walker
- · Replies 8 ·
High School Role of electrons in nuclear fission bombardment
- Vibhor
- · Replies 9 ·
Undergrad How are anti-protons created? Where do they come from?
- Mr. Fizzix
- · Replies 4 ·
High School The Problem with Point Particles
- PhysicsExplorer
- · Replies 14 ·
Undergrad Why does the particle zoo seem smaller than historical accounts suggest?
- the_emi_guy
- · Replies 17 ·
Undergrad What is the difference between neutrino oscillation and mixing?
- aveline de grandpre
- · Replies 2 ·
Graduate Highest loop order of experimental relevance?
- Urs Schreiber
- · Replies 35 ·
High School What causes mass defect in the nucleus?
- Karagoz
- · Replies 29 ·
Undergrad Analytically continuing 2,3,4pt integrals
- CAF123
- · Replies 10 ·
Graduate Are states of definite mass the same as mass eigenstates?
- aveline de grandpre
- · Replies 3 ·
High School Antimatter Creation: Michio Kaku's High School Experiment
- ISamson
- · Replies 6 ·
Undergrad Probability of creation of virtual particles
- BernieM
- · Replies 4 ·
Undergrad Beyond LHC, future particle colliders and lasers
- kodama
- · Replies 28 ·
Undergrad Baryon number nonconservation in the early universe
- stevendaryl
- · Replies 4 ·
High School Risk of tritium (sight) from 1970-1990.
- Juan1975
- · Replies 3 ·
Graduate How many generations and fermions are there in the Standard Model Group?
- shiraz
- · Replies 2 ·
High School What Role Does the Higgs Boson Play in the Universe's Inflation?
- ISamson
- · Replies 3 ·
Undergrad Radiation from air burst weapons
- nmsurobert
- · Replies 2 ·
Graduate Characteristics of QGP at colliders and in the early universe
- tom.stoer
- · Replies 6 ·
High School Black holes cause neutron fusion in neutron stars
- JoeH
- · Replies 2 ·
High School Why do nucleons lose mass when forming a nucleus?
- Shakattack12
- · Replies 3 ·
High School Questions regarding stellarators
- Ortala
- · Replies 1 ·
High School Could a neutrino blast damage a spacecraft like in Alien: Covenant?
- stoomart
- · Replies 1 ·
High School How many equations is the standard model composed of
- gamow99
- · Replies 16 ·
Undergrad Missing energy for new physics
- Silviu
- · Replies 2 ·
High School Energy being Converted to Mass
- Theudius
- · Replies 3 ·
Graduate Thermal Neutrinos: Detecting Ancient Particles in the Universe?
- Cato
- · Replies 4 ·
Undergrad Do additional Higgs fields also impart mass?
- kodama
- · Replies 9 ·
Graduate Momentum transfer perpendicular to velocity of proton?
- rjseen
- · Replies 1 ·
Undergrad Pion+/- decay - what *Exactly* is happening?
- Asgrrr
- · Replies 46 ·
High School Antimatter and matter canceling out
- Lunct
- · Replies 11 ·
Graduate Does an increase in gain cause peaks to shift right?
- Pri
- · Replies 1 ·
Undergrad What are Stubbs in the CMS Tracker?
- Silviu
- · Replies 2 ·
Undergrad Radioactive decay of Carbon 14
- Electroguru
- · Replies 4 ·
Undergrad Energy conservation concerns in the weak interaction
- Asgrrr
- · Replies 11 ·
Undergrad The Higgs field and boson - what's it's involvement in mass?
- Asgrrr
- · Replies 1 ·
Undergrad The strong interaction outside nucleons - what mediates it?
- Asgrrr
- · Replies 4 ·
High School How does beta plus decay know the daughter nucleus has lower energy?
- abotiz
- · Replies 8 ·
High School What are the rest masses of up and down quarks in joules?
- mpolo
- · Replies 8 ·
Graduate Attractive strong force, isospin and hypercharges
- Maximilien Kitutu
- · Replies 4 ·
Undergrad Sabine Hossenfelder on strong CP, hierarchy
- kodama
- · Replies 41 ·
Graduate Reduced matrix element for 0_ --> 0+ forbidden beta decay
- squareroot
- · Replies 1 ·
Undergrad W Boson and different generations of quarks
- Richard McCarthy
- · Replies 3 ·
High School Are there Hadrons with more than three quarks?
- KBon
- · Replies 8 ·
High School Ionized trail in bubble chamber
- the_emi_guy
- · Replies 8 ·
Graduate QCD as a classical field theory?
- Sleuth
- · Replies 6 ·
Graduate Calculation a reduced matrix element using E-Wigner Th.
- squareroot
- · Replies 2 ·
High School Can the Half Life of Elements Change in Different States of Matter?
- girts
- · Replies 20 ·
High School ORNL Detects Never Before Seen Neutrino Interactions
- Spinnor
- · Replies 2 ·
High School What are the equations for the quadratic and power laws in unstable systems?
- Trollfaz
- · Replies 7 ·
High School Magic number 3 in particle physics
- BasY
- · Replies 1 ·
Graduate Data needed for fall off of weak interaction vrs distance
- dhl2017
- · Replies 3 ·
Undergrad Particle calculation during a solar proton event
- yoyopizza
- · Replies 2 ·
Undergrad Charge conjugation and spatial wave function
- Josh1079
- · Replies 2 ·
Undergrad Lightest Vector Meson Mass for Bottom Quarks and Antiquarks
- Richard McCarthy
- · Replies 2 ·
Graduate QED propagator in Coulomb gauge
- lalo_u
- · Replies 5 ·
Graduate Confusion regarding the $\partial_{\mu}$ operator
- saadhusayn
- · Replies 7 ·
High School Is a 2 Tesla magnetic field strong enough for a 5cm cyclotron design?
- Mentz114
- · Replies 2 ·
Undergrad Deep Underground Neutrino Experiment proton decay
- kodama
- · Replies 2 ·
Undergrad Matter conversion during fission
- helmetheid
- · Replies 6 ·
Undergrad Does LHC like collisions occur naturally
- Trollfaz
- · Replies 2 ·
Undergrad Fermions Bosons vertices in SM - but no SUSY
- Lapidus
- · Replies 7 ·
High School How Does an IEC Fusion Reactor Work?
- kubaanglin
- · Replies 19 ·
Graduate Calculating Temperature Increase in Nuclear Fusion Reaction
- Dalaran
- · Replies 1 ·
Undergrad What limits fusion reactions in a gaseous hydrogen target?
- Aidan Davis
- · Replies 20 ·
Undergrad Glueball with a mass of a neutron star
- kodama
- · Replies 11 ·
High School How do Neutrons and U235 Nuclei get out of the fuel rod
- Pete123
- · Replies 4 ·
Graduate Why does d³p/2E equal θ(E)δ(p²-m²)d⁴p in phase space?
- Josh1079
- · Replies 3 ·
Undergrad Gamma radiation, photon energies and wavelength question
- girts
- · Replies 4 ·
Undergrad Is there no stable isotope of Tungsten?
- swampwiz
- · Replies 2 ·
Undergrad Limitations of fission decay paths
- NotASmurf
- · Replies 3 ·
Undergrad Why is Deuterium fusion so much easier than Hydrogen fusion?
- Buzz Bloom
- · Replies 4 ·
High School The Latest Higgs Boson Mass Measurements
- ohwilleke
- · Replies 7 ·
Graduate Hadrons with significant branching ratios to muons
- Eric Culbertson
- · Replies 6 ·