Browsing Physics by Title

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  • Bazavov, A.; Bernard, C.; Bouchard, C.M.; DeTar, C.; Di Pierro, M.; El-Khadra, A.X.; Evans, R.T.; Freeland, E.D.; Gámiz, E.; Gottlieb, S.; Heller, U.M.; Hetrick, J.E.; Jain, R.; Kronfeld, A.S.; Laiho, J.; Levkova, L.; Mackenzie, P.B.; Neil, E.T.; Oktay, M.B.; Simone, J.N.; Sugar, R.; Toussaint, D.; Van de Water, R.S. (American Physical Society, 2012)
    We study $SU(3)$-breaking effects in the neutral $B_{d}-\overline{B}_{d}$ and $B_{s}-\overline{B}_{s}$ systems with unquenched $N_{f}=2+1$ lattice quantum chromodynamics (QCD). We calculate the relevant matrix elements on ...
  • Chodos, Alan; Hauser, Avi I.; Kostelecký, V.A. (Physics Letters B, 1985)
    We investigate the hypothesis that at least one of the known neutrinos travels faster than light. The current experimental situation is examined within this purview.
  • Kostelecký, V.A.; Samuel, S. (American Physical Society, 1995)
    Around one second after the big bang, neutrino decoupling and $e^{+-}e^-$ annihilation distorted the Fermi-Dirac spectrum of neutrino energies. Assuming neutrinos have masses and can mix, we compute the distortions using ...
  • Kostelecký, V.A.; Mewes, M. (American Physical Society, 2012)
    The behavior of fermions in the presence of Lorentz and CPT violation is studied. Allowing for operatorsof any mass dimension, we classify all Lorentz-violating terms in the quadratic Lagrange density for free fermions. ...
  • Carroll, S.M.; Harvey, J.A.; Kostelecký, V.A.; Lane, C.D.; Okamoto, T. (American Physical Society, 2001)
    The role of Lorentz symmetry in noncommutative field theory is considered. Any realistic noncommutative theory is found to be physically equivalent to a subset of a general Lorentz-violating standard-model extension involving ...
  • Kostelecký, V.A.; Samuel, S. (American Physical Society, 1994)
    We derive the equations that govern neutrino and antineutrino behavior in the early Universe. Results are presented from numerical simulations incorporating nonlinear effects of the neutrino-antineutrino background as well ...
  • Kostelecký, V.A.; Samuel, S. (American Physical Society, 1990)
    We use covariant string field theory to explore many-body string physics. A candidate nonperturbative vacuum is identified via a level-truncation scheme. The breaking of internal and Lorentz symmetries is investigated. We ...
  • Kostelecký, V.A.; Lane, C.D. (AIP Publishing, 1999)
    A method is presented for deriving the nonrelativistic quantum Hamiltonian of a free massive fermion from the relativistic Lagrangian of the Lorentz-violating standard-model extension. It permits the extraction of terms ...
  • Poplawski, N. (American Physical Society, 2012)
    The Einstein-Cartan-Sciama-Kibble theory of gravity removes the constraint of general relativity that the affine connection be symmetric by regarding its antisymmetric part, the torsion tensor, as a dynamical variable. The ...
  • Chodos, Alan; Kostelecký, V.A. (Physics Letters B, 1994)
    Recently, a type of null experiment for spacelike neutrinos has been proposed. We examine in detail a class of null tests involving nuclear beta decay or capture in atoms and ions. The most promising candidate systems are ...
  • Abazov, V.M.; Abbott, B.; Acharya, B.S.; Adams, M.; Adams, T.; Alexeev, G.D; Alkhazov, G.; Alton, A.; Alverson, G.; Aoki, M.; Askew, A.; Atkins, S.; Augsten, K.; Avila, C.; Badaud, F.; Bagby, L.; Baldin, B.; Bandurin, D.V.; Banerjee, S.; Barberis, E.; Baringer, P.; Barreto, J.; Bartlett, J.F.; Bassler, U.; Bazterra, V.; Bean, A.; Begalli, M.; Bellantoni, L.; Beri, S.B.; Bernardi, G.; Bernhard, R.; Bertram, I.; Besancon, M.; Beuselinck, R.; Bezzubov, V.A.; Bhat, P.C.; Bhatia, S.; Bhatnagar, V.; Blazey, G.; Blessing, S.; Bloom, K.; Boehnlein, A.; Boline, D.; Boos, E.E.; Borissov, G.; Bose, T.; Brandt, A.; Brandt, O.; Brock, R.; Brooijmans, G.; Bross, A.; Brown, D.; Brown, J.; Bu, X.B.; Buehler, M.; Buescher, V.; Bunichev, V.; Burdin, S.; Buszello, C.P.; Camacho-Perez, E.; Casey, B.C.K.; Castilla-Valdez, H.; Caughron, S.; Chakrabarti, S.; Chakraborty, D.; Chan, K.M.; Chandra, A.; Chapon, E.; Chen, G.; Chevalier-Thery, S.; Cho, D.K.; Cho, S.W.; Choi, S.; Choudhary, B.; Cihangir, S.; Claes, D.; Clutter, J.; Cooke, M.; Cooper, W.E.; Corcoran, M.; Couderc, F.; Cousinou, M.-C.; Croc, A.; Cutts, D.; Das, A.; Davies, G.; De Jong, S.J.; De La Cruz-Burelo, E.; Deliot, F.; Demina, R.; Denisov, D.; Denisov, S.P.; Desai, S.; Deterre, C.; Devaughan, K.; Diehl, H.T.; Diesburg, M.; Ding, P.F.; Dominguez, A.; Dubey, A.; Dudko, L.V.; Duggan, D.; Duperrin, A.; Dutt, S.; Dyshkant, A.; Eads, M.; Edmunds, D.; Ellison, J.; Elvira, V.D.; Enari, Y.; Evans, H.; Evdokimov, A.; Evdokimov, V.N.; Facini, G.; Feng, L.; Ferbel, T.; Fiedler, F.; Filthaut, F.; Fisher, W.; Fisk, H.E.; Fortner, M.; Fox, H.; Fuess, S.; Garcia-Bellido, A.; Garcia-Gonzalez, J.A.; Garcia-Guerra, G.A.; Gavrilov, V.; Gay, P.; Geng, W.; Gerbaudo, D.; Gerber, C.E.; Gershtein, Y.; Ginther, G.; Golovanov, G.; Goussiou, A.; Grannis, P.D.; Greder, S.; Greenlee, H.; Grenier, G.; Gris, P.; Grivaz, J.-F.; Grohsjean, A.; Grunendahl, S.; Grunewald, M.W.; Guillemin, T.; Gutierrez, G.; Gutierrez, P.; Haas, A.; Hagopian, S.; Haley, J.; Han, L.; Harder, K.; Harel, A.; Hauptman, J.M.; Hays, J.; Head, T.; Hebbeker, T.; Hedin, D.; Hegab, H.; Heinson, A.P.; Heintz, U.; Hensel, C.; Heredia-De La Cruz, I.; Herner, K.; Hesketh, G.; Hildreth, M.D.; Hirosky, R.; Hoang, T.; Hobbs, J.D.; Hoeneisen, B.; Hohlfeld, M.; Howley, I.; Hubacek, Z.; Hynek, V.; Iashvili, I.; Ilchenko, Y.; Illingworth, R.; Ito, A.S.; Jabeen, S.; Jaffre, M.; Jayasinghe, A.; Jesik, R.; Johns, K.; Johnson, E.; Johnson, M.; Jonckheere, A.; Jonsson, P.; Joshi, J.; Jung, A.W.; Juste, A.; Kaadze, K.; Kajfasz, E.; Karmanov, D.; Kasper, P.A.; Katsanos, I.; Kehoe, R.; Kermiche, S.; Khalatyan, N.; Khanov, A.; Kharchilava, A.; Kharzheev, Y.N.; Kiselevich, I.; Kohli, J.M.; Kozelov, A.V.; Kraus, J.; Kulikov, S.; Kumar, A.; Kupco, A.; Kurca, T.; Kuzmin, V.A.; Lammers, S.; Landsberg, G.; Lebrun, P.; Lee, H.S.; Lee, S.W.; Lee, W.M.; Lellouch, J.; Li, H.; Li, L.; Li, Q.Z.; Lim, J.K.; Lincoln, D.; Linnemann, J.; Lipaev, V.V.; Lipton, R.; Liu, H.; Liu, Y.; Lobodenko, A.; Lokajicek, M.; Lopes De Sa, R.; Lubatti, H.J.; Luna-Garcia, R.; Lyon, A.L.; Maciel, A.K.A.; Madar, R.; Magana-Villalba, R.; Malik, S.; Malyshev, V.L.; Maravin, Y.; Martinez-Ortega, J.; McCarthy, R.; McGivern, C.L.; Meijer, M.M.; Melnitchouk, A.; Menezes, D.; Mercadante, P.G.; Merkin, M.; Meyer, A.; Meyer, J.; Miconi, F.; Mondal, N.K.; Mulhearn, M.; Nagy, E.; Naimuddin, M.; Narain, M.; Nayyar, R.; Neal, H.A.; Negret, J.P.; Neustroev, P.; Nunnemann, T.; Obrant, G.; Orduna, J.; Osman, N.; Osta, J.; Padilla, M.; Pal, A.; Parashar, N.; Parihar, V.; Park, S.K.; Partridge, R.; Parua, N.; Patwa, A.; Penning, B.; Perfilov, M.; Peters, Y.; Petridis, K.; Petrillo, G.; Petroff, P.; Pleier, M.-A.; Podesta-Lerma, P.L.M.; Podstavkov, V.M.; Popov, A.V.; Prewitt, M.; Price, D.; Prokopenko, N.; Qian, J.; Quadt, A.; Quinn, B.; Rangel, M.S.; Ranjan, K.; Ratoff, P.N.; Razumov, I.; Renkel, P.; Ripp-Baudot, I.; Rizatdinova, F.; Rominsky, M.; Ross, A.; Royon, C.; Rubinov, P.; Ruchti, R.; Sajot, G.; Salcido, P.; Sanchez-Hernandez, A.; Sanders, M.P.; Sanghi, B.; Santos, A.S.; Savage, G.; Sawyer, L.; Scanlon, T.; Schamberger, R.D.; Scheglov, Y.; Schellman, H.; Schlobohm, S.; Schwanenberger, C.; Schwienhorst, R.; Sekaric, J.; Severini, H.; Shabalina, E.; Shary, V.; Shaw, S.; Shchukin, A.A.; Shivpuri, R.K.; Simak, V.; Skubic, P.; Slattery, P.; Smirnov, D.; Smith, K.J.; Snow, G.R.; Snow, J.; Snyder, S.; Soldner-Rembold, S.; Sonnenschein, L.; Soustruznik, K.; Stark, J.; Stoyanova, D.A.; Strauss, M.; Stutte, L.; Suter, L.; Svoisky, P.; Takahashi, M.; Titov, M.; Tokmenin, V.V.; Tsai, Y.-T.; Tschann-Grimm, K.; Tsybychev, D.; Tuchming, B.; Tully, C.; Uvarov, L.; Uvarov, S.; Uzunyan, S.; Van Kooten, R.; Van Leeuwen, W.M.; Varelas, N.; Varnes, E.W.; Vasilyev, I.A.; Verdier, P.; Verkheev, A.Y.; Vertogradov, L.S.; Verzocchi, M.; Vesterinen, M.; Vilanova, D.; Vokac, P.; Wahl, H.D.; Wang, M.H.L.S.; Warchol, J.; Watts, G.; Wayne, M.; Weichert, J.; Welty-Rieger, L.; White, A.; Wicke, D.; Williams, M.R.J.; Wilson, G.W.; Wobisch, M.; Wood, D.R.; Wyatt, T.R.; Xie, Y.; Yamada, R.; Yang, W.-C.; Yasuda, T.; Yatsunenko, Y.A.; Ye, W.; Ye, Z.; Yin, H.; Yip, K.; Youn, S.W.; Zennamo, J.; Zhao, T.; Zhao, T.G.; Zhou, B.; Zhu, J.; Zielinski, M.; Zieminska, D.; Zivkovic, L. (American Physical Society, 2012)
    Using data corresponding to an integrated luminosity of 1.3fb -1, we observe a narrow mass state decaying into Υ(1S)+γ, where the Υ(1S) meson is detected by its decay into a pair of oppositely charged muons, and the photon ...
  • Kostelecký, V.A.; Perry, M.J.; Potting, R. (American Physical Society, 2000)
    The off-shell structure of the string sigma model is investigated. In the open bosonic string, nonperturbative effects appear to depend crucially on the regularization scheme. A scheme retaining the notion of string width ...
  • Kostelecký, V.A.; Lane, C.D.; Pickering, A.G.M. (American Physical Society, 2002)
    We show that the general Lorentz- and CPT-violating extension of quantum electrodynamics is one-loop renormalizable. The one-loop Lorentz-violating beta functions are obtained, and the running of the coefficients for Lorentz ...
  • Díaz, J.S.; Kostelecký, V.A.; Mewes, M. (American Physical Society, 2009)
    The effects of perturbative Lorentz and $CPT$ violation on neutrino oscillations are studied. Features include neutrino-antineutrino oscillations, direction dependence, and unconventional energy behavior. Leading-order ...
  • Kostelecký, V.A.; Samuel, S. (American Physical Society, 1989)
    We investigate measurable gravitational and cosmological effects in four dimensions that can arise from the compactification of higher-dimensional theories incorporating gravity. We identify the nature of effects due to ...
  • Kostelecký, V.A.; Samuel, S. (American Physical Society, 1991)
    We show that string theories allow interactions potentially leading to photon and graviton-mass terms when one or more scalar fields acquire vacuum expectation values. A general analysis is presented for the case when one ...
  • De Juan, F.; Fertig, H.A. (American Physical Society, 2012)
    Phonon dispersions generically display nonanalytic points, known as Kohn anomalies, due to electron-phonon interactions. We analyze this phenomenon for a zone-boundary phonon in undoped graphene. When electron-electron ...
  • Bluhm, R.; Kostelecký, V.A.; Lane, C.D.; Russell, N. (American Physical Society, 2003)
    Space-based experiments offer sensitivity to numerous unmeasured effects involving Lorentz and $CPT$ violation. We provide a classification of clock sensitivities and present explicit expressions for time variations arising ...
  • Kostelecký, V.A.; Tasson, J.D. (American Physical Society, 2009)
    Deviations from relativity are tightly constrained by numerous experiments. A class of unmeasured and potentially large violations is presented that can be tested in the laboratory only via weak-gravity couplings. Specialized ...
  • Bluhm, R.; Kostelecký, V.A. (American Physical Society, 1994)
    We show that a theoretical description of radial Rydberg wave packets in alkali-metal atoms based solely on hydrogenic wave functions and energies is insufficient to explain data that could be obtained in pump-probe ...

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