Rare $ B $ Decays as Tests of the Standard Model

... current. The other fundamental interactions – electromagnetism, the strong nuclear force and the weak neutral current – are all flavour-conserving. The probability for changes between the different quark flavours is controlled by the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix [1]. The CKM m ...

... current. The other fundamental interactions – electromagnetism, the strong nuclear force and the weak neutral current – are all flavour-conserving. The probability for changes between the different quark flavours is controlled by the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix [1]. The CKM m ...

slides - Frontiers of Fundamental Physics (FFP14)

... On the Relation Betweeen Gauge and Phase Symmetries Gabriel Catren Laboratoire SPHERE - Sciences, Histoire, Philosophie (UMR 7219) - Université Paris Diderot/CNRS ERC Project Philosophy of Canonical Quantum Gravity ...

... On the Relation Betweeen Gauge and Phase Symmetries Gabriel Catren Laboratoire SPHERE - Sciences, Histoire, Philosophie (UMR 7219) - Université Paris Diderot/CNRS ERC Project Philosophy of Canonical Quantum Gravity ...

Reconstruction of ttZ Events Using Kinematic Likelihood Fits at the

... Among the 12 fundamental fermions, there are six quarks, each of which carries a colour charge and therefore interacts via the strong interaction. The underlying field theory called Quantum Chromodynamics (qcd) is based on an SU(3) gauge group, the generators of which are represented by eight massle ...

... Among the 12 fundamental fermions, there are six quarks, each of which carries a colour charge and therefore interacts via the strong interaction. The underlying field theory called Quantum Chromodynamics (qcd) is based on an SU(3) gauge group, the generators of which are represented by eight massle ...

Mesconic Light – Cone Wavefunctions for a

... It is well understood that even for consituent quark models an appropriate formulation of the dynamics of bound systems (mesons and baryons) with u, d or s quarks requires a covariant, relativisic formulation. One approach, which garantees a covariant description of bound systems for covariant kern ...

... It is well understood that even for consituent quark models an appropriate formulation of the dynamics of bound systems (mesons and baryons) with u, d or s quarks requires a covariant, relativisic formulation. One approach, which garantees a covariant description of bound systems for covariant kern ...

Quantum Scattering Theory and Applications

... 9.3 Intensity statistics gathered in various parts of a Dirichlet bounded square. Clearly, larger uctuations are more likely in at the sides and corners than in the center. The (statistical) error bars are dierent sizes because four times as much data was gathered in the sides and corners than in ...

... 9.3 Intensity statistics gathered in various parts of a Dirichlet bounded square. Clearly, larger uctuations are more likely in at the sides and corners than in the center. The (statistical) error bars are dierent sizes because four times as much data was gathered in the sides and corners than in ...

THEORETICAL AND COMPUTATIONAL METHODS

... and effort of many people. I would like to thank my advisor, Dr. Kokoouline for all the guidance and support throughout these past four and a half years. It has truly been the most difficult thing I have ever done in my life, with many ups and downs, and it was possible to complete it thanks to the ...

... and effort of many people. I would like to thank my advisor, Dr. Kokoouline for all the guidance and support throughout these past four and a half years. It has truly been the most difficult thing I have ever done in my life, with many ups and downs, and it was possible to complete it thanks to the ...

9. QUANTUM CHROMODYNAMICS 9. Quantum chromodynamics 1

... functions, which encode the interaction between the photon (in given polarization states) and the proton. In the presence of parity-violating interactions (e.g. νp scattering) an additional F3 structure function is present. For an extended review, including equations for the full electroweak and pol ...

... functions, which encode the interaction between the photon (in given polarization states) and the proton. In the presence of parity-violating interactions (e.g. νp scattering) an additional F3 structure function is present. For an extended review, including equations for the full electroweak and pol ...

Antibaryon production in hot and dense nuclear matter

... for the Λ̄ production by a couple of mesons including a K + or K 0 (for the s̄ quark). However, such estimates remain schematic unless fully microscopic multi-particle calculations support or disprove such suggestions. The problem here is that most of the transport models include only binary reactio ...

... for the Λ̄ production by a couple of mesons including a K + or K 0 (for the s̄ quark). However, such estimates remain schematic unless fully microscopic multi-particle calculations support or disprove such suggestions. The problem here is that most of the transport models include only binary reactio ...

Quark models in physics of strong interactions: from the MIT bag to

... self-consistent interpretation wherein all hadron states, stable or resonant, were equally elementary. Others [2], appalled by the teeming democracy of hadrons, insisted on the existence of a small number of fundamental constituents and a simple underlying force law. In terms of these more fundament ...

... self-consistent interpretation wherein all hadron states, stable or resonant, were equally elementary. Others [2], appalled by the teeming democracy of hadrons, insisted on the existence of a small number of fundamental constituents and a simple underlying force law. In terms of these more fundament ...

SCIENTIFIC ACHIEVEMENTS OF VLADIMIR GRIBOV LN Lipatov

... In the end of sixties it was popular to work in the ﬁeld of the hard processes. For the simplest such process - e+ e− -annihilation to hadrons V. Gribov with I. Pomeranchuk and B. Ioﬀe obtained the important result, that its cross-section behaves at large energies as that for the process e+ e− → µ+ ...

... In the end of sixties it was popular to work in the ﬁeld of the hard processes. For the simplest such process - e+ e− -annihilation to hadrons V. Gribov with I. Pomeranchuk and B. Ioﬀe obtained the important result, that its cross-section behaves at large energies as that for the process e+ e− → µ+ ...

CMS

... • In addition to hard diffractive scattering, there may be soft interactions among spectator partons. Fill rapidity gap & slow down outgoing protons Hence reduce the rate of diffractive events. • Quantified by rapidity gap survival probability. •Diffractive PDFs: probability to find a parton of ...

... • In addition to hard diffractive scattering, there may be soft interactions among spectator partons. Fill rapidity gap & slow down outgoing protons Hence reduce the rate of diffractive events. • Quantified by rapidity gap survival probability. •Diffractive PDFs: probability to find a parton of ...

lecture 3

... • In this system, c = ħ = kB = 1 • And, by construction, the unit of energy is good for ...

... • In this system, c = ħ = kB = 1 • And, by construction, the unit of energy is good for ...

The Mathematics of the Casimir Effect

... On the Whole, Divergent Series are the Works of the Devil and it’s a Shame that one dares base any Demonstration upon them. You can get whatever result you want when you use them, and they have given rise to so many Disasters and so many Paradoxes. Can anything more horrible be conceived than to hav ...

... On the Whole, Divergent Series are the Works of the Devil and it’s a Shame that one dares base any Demonstration upon them. You can get whatever result you want when you use them, and they have given rise to so many Disasters and so many Paradoxes. Can anything more horrible be conceived than to hav ...

Two-gluon rapidity correlations of strong colour

... The Color Glass Condensate (CGC) effective field theory (EFT) provides an identical description for the initial state of high energy scattering in quantum chromodynamics(QCD) framework [1–4]. Assuming that final state interactions can either be computed or that they are in some circumstances small c ...

... The Color Glass Condensate (CGC) effective field theory (EFT) provides an identical description for the initial state of high energy scattering in quantum chromodynamics(QCD) framework [1–4]. Assuming that final state interactions can either be computed or that they are in some circumstances small c ...

The Physics of Low-energy Electron-Molecule Collisions

... If the target is a diatomic molecule,as in Fig. 3, we could use prolate-spheroidal coordinates,with the foci of the elliptical and hyperbolic coordinates located at the nuclear centres. The numerical solution of the scattering problem as formulated in thesecoordinatesis decidedly non-trivial, but pr ...

... If the target is a diatomic molecule,as in Fig. 3, we could use prolate-spheroidal coordinates,with the foci of the elliptical and hyperbolic coordinates located at the nuclear centres. The numerical solution of the scattering problem as formulated in thesecoordinatesis decidedly non-trivial, but pr ...

Gluon saturation and initial conditions for relativistic heavy

... understanding of high-multiplicity proton-nucleus (and proton-proton) collisions. As a matter of fact, one of the major challenges since the discovery of QCD has been to understand hadronic Fock-space wave functions in the high-energy limit. It was realized long ago that, due to the soft singularity ...

... understanding of high-multiplicity proton-nucleus (and proton-proton) collisions. As a matter of fact, one of the major challenges since the discovery of QCD has been to understand hadronic Fock-space wave functions in the high-energy limit. It was realized long ago that, due to the soft singularity ...

Advanced Quantum Mechanics

... particles are used as scattering probes, these interactions may actually turn out to be too strong. For example, a beam of electrons may interact strongly with the surface states of a solid (rather than probing its bulk), or the scattering amplitude may be the result of a complicated process of larg ...

... particles are used as scattering probes, these interactions may actually turn out to be too strong. For example, a beam of electrons may interact strongly with the surface states of a solid (rather than probing its bulk), or the scattering amplitude may be the result of a complicated process of larg ...

Extracting resonance parameters from experimental data on scattering of charged particles. Paul Vaandrager

... “A measure of the probability that a specified particle will be scattered by a specified nucleus or other entity through an angle greater than or equal to a specified angle, θ . ... The differential scattering cross section is a measure of the probability of scattering through an angle lying between ...

... “A measure of the probability that a specified particle will be scattered by a specified nucleus or other entity through an angle greater than or equal to a specified angle, θ . ... The differential scattering cross section is a measure of the probability of scattering through an angle lying between ...

Monday, Nov. 27, 2006 - UTA High Energy Physics page.

... The phenomenological understanding along with observation from electron scattering (Deep Inelastic Scattering, DIS) and the quark model Resulted in the Standard Model that can describe three of the four known forces along with quarks, leptons and gauge bosons as the fundamental particles Monday, Nov ...

... The phenomenological understanding along with observation from electron scattering (Deep Inelastic Scattering, DIS) and the quark model Resulted in the Standard Model that can describe three of the four known forces along with quarks, leptons and gauge bosons as the fundamental particles Monday, Nov ...

Matching next-to-leading order predictions to parton showers

... treatment in the fully-automated MadGraph5_aMC@NLO framework, that is left to future work [32]. Our choice for the squark spectrum corresponds to the one made by ATLAS and CMS Collaborations in their respective gluino searches [5–8]. Our results are evaluated both at the LO and NLO accuracy in QCD a ...

... treatment in the fully-automated MadGraph5_aMC@NLO framework, that is left to future work [32]. Our choice for the squark spectrum corresponds to the one made by ATLAS and CMS Collaborations in their respective gluino searches [5–8]. Our results are evaluated both at the LO and NLO accuracy in QCD a ...

pptx - IHES

... Jacobi relations for numerators also exist at loop level.. but still an open question to develop direct vertex formalism (scalar amplitudes??) Especially in gravity computations – such relations can be crucial testing UV behaviour ...

... Jacobi relations for numerators also exist at loop level.. but still an open question to develop direct vertex formalism (scalar amplitudes??) Especially in gravity computations – such relations can be crucial testing UV behaviour ...

Large-N Limit as a Classical Limit: Baryon Two-dimensional QCD and Multi-Matrix Models

... where quarks and gluons are almost free. This tells us very little about the long-distance behavior or about bound states of quarks and gluons. In fact, the problem is quite severe, since all observed particles are hadronic bound states. A mechanism that explains both qualitatively and quantitativel ...

... where quarks and gluons are almost free. This tells us very little about the long-distance behavior or about bound states of quarks and gluons. In fact, the problem is quite severe, since all observed particles are hadronic bound states. A mechanism that explains both qualitatively and quantitativel ...

Black Hole Formation and Classicalization in

... of their microscopic structure? Of course, one can certainly say that what makes black holes very special is their Bekenstein– Hawking entropy. However, without a microscopic explanation of entropy creation in twoparticle collision, this invocation of the entropy is only making the puzzle more compl ...

... of their microscopic structure? Of course, one can certainly say that what makes black holes very special is their Bekenstein– Hawking entropy. However, without a microscopic explanation of entropy creation in twoparticle collision, this invocation of the entropy is only making the puzzle more compl ...