Dark Matter in B-L Extended MSSM Models (2008)
We analyze the dark matter problem in the context of supersymmetric U(1)_{B-L} model. In this model, the lightest neutalino can be the B-L gaugino widetilde {Z}_{B-L} or the extra Higgsinos...
Artuso, M., Blusk, S., Khalil, S., Li, J., Mountain, R., Nisar, S., ...
Using 281 pb(-1) of data collected with the CLEO-c detector, we present new measurements of Cabibbo-suppressed decays of D-0 and D+ mesons to eta and eta(') final states. We make first observations...
Absolute branching fractions of Cabibbo-suppressed D -> K(K)over-bar decays (2008)
Bonvicini, G., Cinabro, D., Dubrovin, M., Lincoln, A., Rademacker, J., Asner, D. M., ...
Using 281 pb(-1) of data collected with the CLEO-c detector at the psi(3770) resonance, we have studied Cabibbo-suppressed decays of D mesons to final states with two kaons. We present results for...
Absolute measurement of hadronic branching fractions of the D-s(+) meson (2008)
Alexander, J. P., Berkelman, K., Cassel, D. G., Duboscq, J. E., Ehrlich, R., Fields, L., ...
The branching fractions of D-s(+/-) meson decays serve to normalize many measurements of processes involving charm quarks. Using 298 pb(-1) of e(+)e(-) collisions recorded at a center of mass energy...
First observation of the decay D-s(+) -> p(n)over-bar (2008)
Athar, S. B., Patel, R., Yelton, J., Rubin, P., Eisenstein, B. I., Karliner, I., ...
Using e(+) e(-) -> D-s(*-) D-s(+) data collected near the peak D-s production energy, E-cm = 4170 MeV, with the CLEO-c detector, we present the first observation of the decay D-s(+) -> p (n) over...
Measurement of the absolute branching fraction of D-s(+)-> tau(+)nu(tau) decay (2008)
Ecklund, K. M., Love, W., Savinov, V., Lopez, A., Mendez, H., Ramirez, J., ...
Using a sample of tagged D-s(+) decays collected near the (DsDs -/+)-D-*+/- peak production energy in e(+)e(-) collisions with the CLEO-c detector, we study the leptonic decay D-s(+)->tau(+)nu(tau)...
Determination of the strong phase in D-0 -> K+pi(-) using quantum-correlated measurements (2008)
Rosner, J. L., Alexander, J. P., Cassel, D. G., Duboscq, J. E., Ehrlich, R., Fields, L., ...
We exploit the quantum coherence between pair-produced D-0 and (D) over bar (0) in psi(3770) decays to study charm mixing, which is characterized by the parameters x and y, and to make a first...
Neutrino masses, mixing and leptogenesis in TeV scale B-L extension of the standard model (2007)
We address the issue of the neutrino masses and mixing in TeV scale $B-L$ extension of the Standard Model. We show that if Dirac neutrino masses are of order $10^{-4}$ Gev, then the measured neutrino...
Dalitz plot analysis of the D+->pi(-)pi(+)pi(+) decay (2007)
Bonvicini, G., Cinabro, D., Dubrovin, M., Lincoln, A., Asner, D. M., Edwards, K. W., ...
Using 281 pb(-1) of data recorded by the CLEO-c detector in e(+)e(-) collisions at the psi(3770), corresponding to 0.78x10(6) D+D- pairs, we investigate the substructure of the decay...
Study of dipion transitions among Upsilon(3S), Upsilon(2S), and Upsilon(1S) states (2007)
Cronin-Hennessy, D., Gao, K. Y., Hietala, J., Kubota, Y., Klein, T., Lang, B. W., ...
We present measurements of decay matrix elements for hadronic transitions of the form Upsilon(nS)->Upsilon(mS)pi pi, where (n,m)=(3,1),(2,1),(3,2). We reconstruct charged and neutral pion modes with...
Dobbs, S., Metreveli, Z., Seth, K. K., Tomaradze, A., Ecklund, K. M., Love, W., ...
Using 281 pb(-1) of e(+)e(-) collisions recorded at the psi(3770) resonance with the CLEO-c detector at CESR (Cornell Electron Storage Ring), we determine absolute hadronic branching fractions of...
Measurement of B(D-s(+)-> l(+)nu) and the decay constant f(Ds)(+) (2007)
Pedlar, T. K., Cronin-Hennessy, D., Gao, K. Y., Hietala, J., Kubota, Y., Klein, T., ...
We examine e(+)e(-) -> Ds-Ds*+ and Ds*-Ds+ interactions at 4170 MeV using the CLEO-c detector in order to measure the decay constant fD(s)(+). We use the D-s(+) -> l(+)nu channel, where the l(+)...
Suppressed decays of D-s(+) mesons to two pseudoscalar mesons (2007)
Adams, G. S., Anderson, M., Cummings, J. P., Danko, I., Hu, D., Moziak, B., ...
Using data collected near the Ds*+Ds- peak production energy E-cm=4170 MeV by the CLEO-c detector, we study the decays of D-s(+) mesons to two pseudoscalar mesons. We report on searches for the...
Measurement of the decay constant f(Ds)(+) using D-s(+)-> l(+)nu (2007)
Artuso, M., Blusk, S., Butt, J., Khalil, S., Li, J., Menaa, N., ...
We measure the decay constant f(Ds)(+) using the D-s(+)-> l(+)nu channel, where the l(+) designates either a mu(+) or a tau(+), when the tau(+)->pi(+)(v) over bar. Using both measurements we find...
Measurement of prominent eta-decay branching fractions (2007)
Lopez, A., Mehrabyan, S., Mendez, H., Ramirez, J., Ge, J. Y., Miller, D. H., ...
The decay psi(2S)->eta J/psi is used to measure, for the first time, all prominent eta-meson branching fractions with the same experiment in the same dataset, thereby providing a consistent treatment...
Measurement of the eta-Meson Mass Using psi(2S)->eta J/psi (2007)
Miller, D. H., Sanghi, B., Shipsey, I. P. J., Xin, B., Adams, G. S., Anderson, M., ...
We measure the mass of the eta meson using psi(2S)->eta J/psi events acquired with the CLEO-c detector operating at the CESR e(+)e(-) collider. Using the four decay modes eta ->gamma gamma, 3 pi(0),...
Comparative Study of CP Asymmetries in Supersymmetric Models (2004)
Gabrielli, E, Huitu, K, Khalil, S
We systematically analyze the supersymmetric contributions to the CP asymmetries and branching ratios of B-> phi Ks and B-> eta(prime) Ks processes. We consider both gluino and chargino exchanges in...
Can the CKM phase be the only source of CP violation? (2003)
We address the question of whether the CP violating phase in the CKM mixing matrix can be the only source of all CP violation. We show that in supersymmetric models with new flavour structure beyond...
Solecki, R., Bergmann, B., Burgin, H., Buschmann, J., Clark, R., Druga, A., ...
This article is a report on the Fourth Berlin Workshop on Terminology in Developmental Toxicology, which was held in April 2002. The workshop is part of an international project in the field of...
Relic Neutralino Density in Scenarios with Intermediate Unification Scale (2002)
Khalil, S, Muñoz, C, Torrente-Lujan, E
We analyse the relic neutralino density in supersymmetric models with an intermediate unification scale. In particular, we present concrete cosmological scenarios where the reheating temperature is...
On the $B \to X_{s} l^{+} l^{-}$ decays in general supersymmetric models (2002)
We analyze the inclusive semileptonic decays B -> X_s l^+ l^- in the framework of the supersymmetric standard model with non-universal soft-breaking terms at GUT scale. We show that the general trend...
Large dark matter cross sections from supergravity and superstrings (2001)
Cerdeno, D G, Khalil, S, Muñoz, C
We study the direct detection of supersymmetric dark matter in the light of recent experimental results. In particular, we show that regions in the parameter space of several scenarios with a...
EDM constraints in supersymmetric theories. (2001)
Abel, S., Khalil, S., Lebedev, O.
We systematically analyze constraints on supersymmetric theories imposed by the experimental bounds on the electron, neutron, and mercury electric dipole moments. We critically reappraise the known...
Chargino Contributions to Epsilon and Epsilon-Prime (2001)
We analyze the chargino contributions to the K-\bar K mixing and epsilon-prime in the mass insertion approximation and derive the corresponding bounds on the mass insertion parameters. We find that...
Present and Future CP Measurements (2001)
Hurth, Tobias, Kim, C S, Shepherd-Themistocleous, C H, Wilson, F F, Azfar, F, Barlow, R, ...
We review theoretical and experimental results on CP violation summarizing the discussions in the working group on CP violation at the UK phenomenology workshop 2000 in Durham.