A combined beta-beam and electron capture neutrino experiment (2009)
Bernabeu, J., Espinoza, C., Orme, C., Palomares-Ruiz, S., Pascoli, S.
The next generation of long baseline neutrino experiments will aim at determining the value of the unknown mixing angle, theta_{13}, the type of neutrino mass hierarchy and the presence of...
Proceedings of SuperB Workshop VI: New Physics at the Super Flavor Factory (2008)
Hitlin, D. G., Cheng, C. H., Asner, D. M., Hurth, T., McElrath, B., Shindou, T., ...
The sixth SuperB Workshop was convened in response to questions posed by the INFN Review Committee, evaluating the SuperB project at the request of INFN. The working groups addressed the capability...
Tau spin correlations and the anomalous magnetic moment (2008)
Bernabeu, J., Gonzalez-Sprinberg, G. A., Vidal, J.
We show that the precise determination of the Tau magnetic properties is possible in the next generation accelerators, specially at B/Flavour factories. We define spin correlation observables...
Alignment of the Pixel and SCT Modules for the 2004 ATLAS Combined Test Beam (2008)
Ahmad, A., Andreazza, A., Atkinson, T., Baines, J., Barr, A. J., Beccherle, R., ...
A small set of final prototypes of the ATLAS Inner Detector silicon tracker (Pixel and SCT) were used to take data during the 2004 Combined Test Beam. Data were collected from runs with beams of...
CP violation and the H-A lineshape (2007)
Bernabeu, J., Binosi, D., Papavassiliou, J.
In two-Higgs doublet models (and particularly in the MSSM) the CP-even (H) and CP-odd (A) neutral scalars are nearly degenerate in mass, and their s-channel production would lead to nearly...
The Data Acquisition and Calibration System for the ATLAS Semiconductor Tracker (2007)
Abdesselam, A, Barber, T, Barr, A J, Bell, P, Bernabeu, J, Butterworth, J M, ...
The SemiConductor Tracker (SCT) data acquisition (DAQ) system will calibrate, configure, and control the approximately six million front-end channels of the ATLAS silicon strip detector. It will...
ATLAS silicon module assembly and qualification tests at IFIC Valencia (2007)
Bernabeu, J., Civera, J. V., Costa, M. J., Escobar, C., Fuster, J., Garcia, C., ...
ATLAS experiment, designed to probe the interactions of particles emerging out of proton proton collisions at energies of up to 14 TeV, will assume operation at the Large Hadron Collider (LHC) at...
Tau anomalous magnetic moment form factor at Super B/Flavor factories (2007)
Bernabeu, J., Gonzalez-Sprinberg, G. A., Papavassiliou, J., Vidal, J.
The proposed high-luminosity B/Flavor factories offer new opportunities for the improved determination of the fundamental physical parameters of standard heavy leptons. Compared to the electron or...
Configuration mixing and total muon capture rates (2005)
The Primakoff closure approximation is modified to get independence on the mean neutrino energy and energy weighted sum rules are used for the corrective terms. A near model- independent discussion...
On total muon capture rates and the average neutrino energy (2005)
A method of avoiding the uncertainty associated with the average neutrino energy nu in the usual closure approach to muon capture rates is discussed. Instead of neglecting the kinematic dependence on...
SU(4) breaking, allowed transitions and total muon capture rates in nuclei (2005)
The authors study muon capture rates in light nuclei and show that one can evaluate them in a model-independent way by correcting the Primakoff closure approximation to the first order in the...
On the quasi-elastic neutrino reaction in deuterium in the forward direction (2005)
Forward cross-section of the reaction nu +d to mu /sup -/+p+p is studied under different assumptions. It is shown that a value E/sup -2 / (d sigma /d Omega ) approximately=0.27*10/sup -38/ cm/sup...
Quasielastic electron and neutrino interactions and the exclusion effects (2005)
The correlation functions which describe the exclusion effects in quasielastic electron nucleus and neutrino nucleus reactions are studied, showing similarity and difference between them. The...
Neutron polarizability and the n-e scattering length (2005)
Bernabeu, J, Ericson, Torleif Eric Oskar
It is shown that the neutron polarizability contribution to the n-e scattering length is within the present level of precision. The experimental result on this interaction is consistent with a value...
Neutral currents in semi-leptonic processes $\Delat$T = 0 (2005)
It is often argued that between nonstrange (and noncharmed) hadrons the matrix element of the last part of the current can be neglected, and calculations along this line have been performed. If this...
Polarizability contribution to the energy levels of the muonic helium $(\mu^{4}He)^{+}$ (2005)
An experiment measuring the 2S-2P separation in the ion ( mu /sup 4 /He)/sup +/ is in progress at CERN. Comparison of the outcome of this experiment with the prediction of quantum electrodynamics...
Charge and current distributions in elastic electron scattering by 1p shell nuclei (2005)
The authors study the charge and magnetic form factors appearing in elastic electron scattering by 1p shell nuclei. The question that the form factors may be obtained from simple nuclear models by...
Low-energy elastic neutrino-nucleon and nuclear scattering and its relevance for supernovae (2005)
Low-energy (E/sub v/10, spin- (if any) and isospin-dependent effects are comfortably below 10% of the coherent scattering. In the case of the neutron, the cross-section for momentum transfer, when...
Intrinsic magnetic polarizability contribution to the susceptibility of dense neutron matter (2005)
Bernabeu, J, Ericson, Torleif Eric Oskar, Ferro-Fontan, C
It is shown that, apart from the neutron interaction contribution to the susceptibility of neutron stars, there is an additional contribution coming from the magnetic polarizability beta /sub n/ of...
Restrictions for asymmetry and polarizations of recoil in muon capture (2005)
Using the helicity formalism, muon capture by targets of spin-zero is discussed. Owing to the definite neutrino helicity, three independent observables define a complete experiment. The precise...
Campabadal, F, Fleta, C, Key, M, Lozano, M, Martinez, C, Pellegrini, G, ...
The ABCD3TA is a 128-channel ASIC with binary architecture for the readout of silicon strip particle detectors in the Semiconductor Tracker of the ATLAS experiment at the Large Hadron Collider (LHC)....
Monochromatic neutrino beams (2005)
Bernabeu, J, Burguet-Castell, J, Espinoza, C, Lindroos, M
In the last few years spectacular results have been achieved with the demonstration of non vanishing neutrino masses and flavour mixing. The ultimate goal is the understanding of the origin of these...
Monochromatic neutrino beams (2005)
Bernabeu, J., Burguet-Castell, J., Espinoza, C., Lindroos, M.
In the last few years spectacular results have been achieved with the demonstration of non vanishing neutrino masses and flavour mixing. The ultimate goal is the understanding of the origin of these...
Dynamical Zero in Antineutrino_e -- Electron Scattering and the Neutrino Magnetic Moment (2004)
Bernabeu, J., Papavassiliou, J., Passera, M.
The Standard Model differential cross section for $\bar{\nu}_e-e^-$ elastic scattering vanishes exactly, at lowest order, for forward electrons and incident $\bar{\nu}_e$ energy close to the rest...
Report of the Solar and Atmospheric Neutrino Working Group (2004)
Back, H., Bahcall, J.N., Bernabeu, J., Boulay, M.G., Bowles, T., Calaprice, F., ...
Atmospheric Neutrino Oscillations, theta(13) and Neutrino Mass Hierarchy (2003)
Bernabeu, J., Palomares-Ruiz, Sergio, Petcov, S. T.
We derive predictions for the Nadir angle (theta(n)) dependence of the ratio N(mu)/N(e) of the rates of the mu-like and e-like multi-GeV events measured in water-Cerenkov detectors in the case of...
On the observability of the neutrino charge radius (2002)
Bernabeu, J., Papavassiliou, J., Vidal, J.
It is shown that the probe-independent charge radius of the neutrino is a physical observable; as such, it may be extracted from experiment, at least in principle. This is accomplished by expressing...
Observable Medium Effects For Atmospheric Neutrinos (2001)
Bernabeu, J, Palomares-Ruiz, S
We discuss the possibility to observe matter effects in atmospheric neutrino oscillations. The main conclusion is that an impact on the nu_mu survival probability requires the action of the MSW...
T and CPT in B-Factories (2001)
Bernabeu, J, Bañuls, M C, Martínez-Vidal, F
For the Bd meson system, CP, T and CPT indirect violation can be described using two physical parameters, epsilon and delta. The traditional observables based on flavour tag and used in the kaon...
Bernabeu, J, Palomares-Ruiz, S, Pérez, A, Petcov, S T
Earth medium effects in the three-neutrino oscillations of atmospheric neutrinos are observable under appropriate conditions. This paper generalizes the study of the medium effects and the...
Medium effects for terrestrial and atmospheric neutrino oscillations (2001)
Bañuls, M C, Barenboim, G, Bernabeu, J
Matter effects in neutrino propagation translate into effective parameters for the oscillation and fake CP- and CPT-odd quantities, even in a scenario, such as $\Delta_{12}=0$, where no genuine CP...
On the charge radius of the neutrino (2000)
Bernabeu, J., Cabral-Rosetti, L. G., Papavassiliou, J., Vidal, J.
Using the pinch technique we construct at one-loop order a neutrino charge radius, which is finite, depends neither on the gauge-fixing parameter nor on the gauge-fixing scheme employed, and is...
CP, T and CPT versus temporal asymmetries for entangled states of the Bd-system (1999)
The observables used in the K-system to characterize T and CPT violation are no longer useful for the Bd-system, since the width difference between the physical states is vanishingly small. We show...
An effective field theory approach to the electroweak corrections at LEP energies (1999)
Akhundov, A A, Bernabeu, J, Dumm, D G, Santamaría, A
In the framework of the effective field theory (EFT) we discuss the electroweak (EW) corrections at LEP energies. We obtain the effective Lagrangian in the large m_t limit, and reproduce analytically...
CP asymmetries in $B_s$ decays and spontaneous CP violation (1999)
Barenboim, G, Bernabeu, J, Matias, J, Raidal, Martti
We study possible effects of new physics in CP asymmetries in two-body $B_s$ decays in left-right models with spontaneous CP violation. Considering the contributions of new CP phases to the $B_s$...
Performance of the ATLAS silicon strip detector modules (1998)
Albiol, F, Ballester, F, Barbier, G, Bernabeu, J, Bonino, R, Ciocio, A, ...
Indirect CP Violation in the B-System (1997)
We show that, contrary to the flavour mixing amplitude q/p, both Re(epsilon) and Im(epsilon) are observable quantities, where epsilon is the phase- convention-independent CP mixing. We consider...
Beam test of the ATLAS silicon detector modules (1997)
Albiol, F, Ballester, F, Barbier, G, Bernabeu, J, Bonino, R, Ciocio, A, ...
Constraints on the Wr mass and CP-violation in left-right models (1996)
Barenboim, G., Bernabeu, J., Prades, J., Raidal, M.
We update the constraints on the right-handed $W_R$ gauge boson mass, mixing angle $\zeta$ with the left-handed $W_L$ gauge boson, and other parameters in general left-right symmetric models with...
Non-decoupling of heavy neutrinos and lepton flavour violation (1995)
Tommasini, D, Barenboim, G, Bernabeu, J, Jarlskog, C
We consider a class of models predicting new heavy neutral fermionic states, whose mixing with the light neutrinos can be naturally significant and produce observable effects below the threshold for...
[mu]-e conversion in nuclei and Z' physics (1993)
Bernabeu, J., Nardi, Enrico, Tommasini, Daniele
Together with the existence of new neutral gauge bosons, models based on extended gauge groups (rank > 4) often predict also new charged fermions. A mixing of the known fermions with new states...
$\mu$-$e$ conversion in nuclei and Z$^\prime$ physics (1993)
Bernabeu, J., Nardi, E., Tommasini, D.
Together with the existence of new neutral gauge bosons, models based on extended gauge groups (rank $> 4$) often predict also new charged fermions. A mixing of the known fermions with new states...
Effects of the axial isoscalar neutral current for solar neutrino detection (1993)
Bernabeu, J, Ericson, Torleif Eric Oskar, Hernández, E, Ros, J
Isoscalar axial neutral-current effects in solar neutrino detection (1992)
Bernabeu, J, Ericson, Torleif Eric Oskar, Hernández, E, Ros, J
Tau polarization at the Z peak from the acollinearity between both $\tau$-decay products (1991)
Alemany, R, Rius, N, Bernabeu, J, Gómez-Cadenas, J J, Pich, Antonio
Parity violation correlations in light muonic atoms (1989)
Bordes, J., Vidal, J., Bernabeu, J.
The 2 S -1 S transition in light muonic atoms is very sensitive to parity violation correlations induced via neutral currents. Observables depending on these transitions such as the photon...