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1261por Maschek, Stefan Raimund“…It assigns to each Standard Model fermion (boson) an associated supersymmetric boson (fermion) partner with the same quantum numbers except for spin. …”
Publicado 2017
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1262por Walstedt, Russell E“…This new edition updates readers in three areas of NMR studies, namely, recent developments in high-Tc materials, heavy fermion systems and actinide oxides are presented. …”
Publicado 2018
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1263“…We show how measurements of the decay rates and distributions in these processes would allow us to extract the magnitude and sign of the dominant Wilson coefficients of the magnetic moment operator \mb \bar{s}_L \sigma_{\mu \nu} b_R F^{\mu \nu } and the four-fermion operators (\bar{s}_L \gamma_\mu b_L)(\bar{\ell} \gamma^{\mu} \ell) and (\bar{s}_L \gamma_\mu b_L)(\bar{\ell} \gamma^{\mu}\gamma^5 \ell).…”
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1264“…We consider the virtual effects of a general type of Anomalous (triple) Gauge Couplings on various experimental observables in the process of electron-positron annihilation into a final fermion-antifermion state. We show that the use of a recently proposed "Z-peak subtracted" theoretical description of the process allows to reduce substantially the number of relevant parameters of the model, so that a calculation of observability limits can be performed in a rather simple way. …”
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1265por Clayton, M.A.“…The formalism is adapted to consider a Dirac Fermion, where we find that a milder form of this apparent derivative-coupling appears.…”
Publicado 1998
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1266“…In a previous paper we analyzed fermion masses (focusing on neutrino masses and mixing angles) in an SO(10) SUSY GUT with U(2)$\timesU(1)^n$ family symmetry. …”
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1267“…Lattice QCD with Wilson quarks and a chirally twisted mass term represents a promising alternative regularization of QCD, which does not suffer from unphysical fermion zero modes. We show how the correlation functions of the renormalized theory are related to the theory with a standard parameterization of the mass term. …”
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1268“…Our simulations are performed with an imaginary chemical potential mu_I for which the fermion determinant is positive. On an 8^3x4 lattice with 2 flavors of staggered quarks, we map out the pseudo-critical temperature T_c(mu_I). …”
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1269“…We consider the mixing of muon and tau neutrinos with sterile fermion fields propagating in extra dimensions in the context of core collapse supernova physics, extending the analysis of the electron neutrino case done in a previous work. …”
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1270“…However the need to generate large third generation fermion masses means that the group must be strongly broken to SU(2) giving significant corrections to the third family squark and slepton masses. …”
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1271por Volkov, G.G.“…Experimental observation of Majorana fermion matter gives a new impetus to the understanding of the Lorentz symmetry and its extension, the geometrical properties of the ambient space-time structure, matter--antimatter symmetry and some new ways to understand the baryo-genesis problem in cosmology. …”
Publicado 2006
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1272por Baksay, Liza Gyongyi“…Contrary to earlier assumptions the photon turns out to have a "structure" due to quantum fluctuations into fermion anti-fermion pairs that can further interact with other particles. …”
Publicado 2005
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1273“…We consider lepton flavour violating decays of the top quark, mediated by four-fermion operators. We compile constraints on a complete set of SU(3)*U(1)-invariant operators, arising from their loop contributions to rare decays and from HERA's single top search. …”
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1274“…We study the implications of dynamically generating the fermion Yukawa couplings at different scales, relating larger scales to lighter SM fermions. …”
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1275por Electroweak, the SLD, Alcaraz, J, Anagnostou, G, Antilogus, P, Bajo-Vaquero, A, Bambade, P, Barberio, E, Blondel, A, Bourilkov, D, Brunelière, R, Checchia, P, Chierici, R, Clare, R, D'Hondt, J, de la Cruz, B, de Jong, P, Della Ricca, G, Dierckxsens, M, Duchesneau, D, Duckeck, G, Elsing, M, Goy, C, Grünewald, M W, Gurtu, A, Hansen, J B, Hawkings, R, Holt, J, Jézéquel, S, Jones, R W L, Kawamoto, T, Kjaer, N J, Kramer, T, Lançon, E, Liebig, W, Malgeri, L, Martínez, M, Matorras, F, Mele, S, Migliore, E, Minard, M N, Mönig, K, Natale, S, Ofierzynski, R A, Parkes, C, Parzefall, U, Pepé-Altarelli, M, Pietrzyk, B, Quast, G, Renton, P B, Riemann, S, Sachs, K, Strässner, A, Strom, D, Tenchini, R, Teubert, F, Thomson, M A, Todorova-Nová, S, Tournefier, E, Valassi, Andrea, Venturi, A, Ward, C P, Watson, N K, Wells, P S, Wyn, S, De Groot, N, Rowson, P C, Schumm, B, Su, D“…Above the $\Zzero$ resonance, averages are derived for di-fermion cross sections and forward-backward asymmetries, photon-pair, W-pair, Z-pair, single-W and single-Z cross sections, electroweak gauge boson couplings, W mass and width and W decay branching ratios. …”
Publicado 2003
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1276por Gaycken, Goetz“…Recent results toward the discovery of 3rd generation fermion couplings to the Higgs boson will be presented. …”
Publicado 2017
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1277por Schaposnik, F A“…It leads to the (exact) bosonization rule for fermion currents in d > 2 dimensions and also provides a systematic way of constructing the bosonic action in different regimes.…”
Publicado 1997
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1278por Ward, D“…Recent tests of the electroweak Standard Model are reviewed, covering the precise measurements of Z decays at LEP I and SLC and measurements of fermion pair production at higher energies at LEP II. …”
Publicado 1999
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1279“…Lukman and N.S. Mankoc Borstnik) 4. Fermion-Fermion and Boson-Boson Amplitudes: Surprising Similarities (V.V. …”
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1280“…We consider a four-dimensional field-theory model with two massless fermions, coupled to an Abelian vector field without flavour mixing, and to another Abelian vector field with flavour mixing. …”
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