A. Roy

Publication List Details

Period

1968 - 2008

Number

267

Co-Authors

Quasi-free photoproduction of eta-mesons of the neutron (2008)

Jaegle, I., Mertens, T., Anisovich, A. V., Bacelar, J. C. S., Bantes, B., Bartholomy, O., ...

Quasi-free photoproduction of eta-mesons off nucleons bound in the deuteron has been measured with the CBELSA/TAPS detector for incident photon energies up to 2.5 GeV at the Bonn ELSA accelerator....

Axisymmetrical Mhd Equilibrium Solver with Bicubic Hermite Elements (2008)

Lutjens, H., Bondeson, A., Roy, A.

A numerical code using Hermite bicubic finite elements has been developed for the computation of axisymmetric magnetohydrodynamic (MHD) equilibria. The code provides a mapping to flux coordinates for...

Modification of the $\omega$-Meson Lifetime in Nuclear Matter (2008)

Kotulla, M., Trnka, D., Mühlich, P., Anton, G., Bacelar, J. C. S., Bartholomy, O., ...

The photo production of $\omega$ mesons on the nuclei C, Ca, Nb and Pb has been measured using the Crystal Barrel/TAPS detector at the ELSA tagged photon facility in Bonn. The dependence of the...

Combination of CDF and D0 results on the W boson mass and width (2007)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2007)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2007)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

An adaptation of adomian decomposition for numeric–analytic integration of strongly nonlinear and chaotic oscillators (2007)

Ghosh, S, Roy, A, Roy, D

A novel form of an explicit numeric-analytic technique is developed for solving strongly nonlinear oscillators of engineering interest. The analytic part of this technique makes use of Adomian...

Computational Design of UHTC Materials for Hypersonic Applications (Preprint) (2007)

Parthasarathy, Triplicane A., Kerans, R. J., Chellapilla, S., Roy, A.

Ultra-High Temperature Ceramics (UHTC) are attractive candidates for use as leading edge components. This work explores the possibility of using computational methods to design a structure of higher...

Rolling element bearing faults diagnosis based on autocorrelation of optimized: wavelet de-noising technique (2007)

Al-Raheem, K F., Roy, A., Ramachandran, K P., Harrison, David K., Grainger, Steven Drummond

Machinery failure diagnosis is an important component of the condition based maintenance (CBM) activities for most engineering systems. Rolling element bearings are the most common cause of rotating...

Rolling element bearing fault diagnosis using laplace-wavelet envelope power spectrum (2007)

Al-Raheem, K F., Roy, A., Ramachandran, K P., Harrison, David K., Grainger, Steven Drummond

Copyright © 2007 Khalid F. Al-Raheem et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction...

A physical map of the bovine genome (2007)

Snelling, W M., Chiu, R., Schein, J E., Hobbs, M., Abbey, C A., Adelson, David Louis, ...

Background Cattle are important agriculturally and relevant as a model organism. Previously described genetic and radiation hybrid (RH) maps of the bovine genome have been used to identify genomic...

Rolling element bearing faults diagnosis based on autocorrelation of optimized: wavelet de-noising technique (2007)

Al-Raheem, K F., Roy, A., Ramachandran, K P., Harrison, David K., Grainger, Steven Drummond

Machinery failure diagnosis is an important component of the condition based maintenance (CBM) activities for most engineering systems. Rolling element bearings are the most common cause of rotating...

Rolling element bearing fault diagnosis using laplace-wavelet envelope power spectrum (2007)

Al-Raheem, K F., Roy, A., Ramachandran, K P., Harrison, David K., Grainger, Steven Drummond

Copyright © 2007 Khalid F. Al-Raheem et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction...

A physical map of the bovine genome (2007)

Snelling, W M., Chiu, R., Schein, J E., Hobbs, M., Abbey, C A., Adelson, David Louis, ...

Background Cattle are important agriculturally and relevant as a model organism. Previously described genetic and radiation hybrid (RH) maps of the bovine genome have been used to identify genomic...

A Hybrid model for the origin of photoluminescence from Ge nanocrystals in SiO$_2$ matrix (2006)

Singha, A., Roy, A., Kabiraj, D., Kanjilal, D.

In spite of several articles, the origin of visible luminescence from germanium nanocrystals in SiO$_2$ matrix is controversial even today. Some authors attribute the luminescence to quantum...

Quantitative Analysis of Hydrogenated DLC Films by Visible Raman Spectroscopy (2006)

Singha, A., Ghosh, A., Ray, N. R., Roy, A.

The correlations between properties of hydrogenated diamond like carbon films and their Raman spectra have been investigated. The films are prepared by plasma deposition technique, keeping different...

Measurement of the azimuthal angle distribution of leptons from W boson decays as a function of the W transverse momentum in p(p)over-bar collisions at root s = 1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present the first measurement of the A(2) and A(3) angular coefficients of the W boson produced in proton-antiproton collisions. We study W -> e nu(e) and W ->mu nu(mu) candidate events...

Search for W and Z bosons in the reaction (p)over-barp -> two jets plus gamma at root s=1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a study of the dijet invariant mass distribution for the reaction (p) over barp -> jets + gamma + X, at a center of mass energy of 1.8 TeV, using data collected by the CDF experiment....

Search for W and Z bosons in the reaction (p)over-barp -> two jets plus gamma at root s=1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a study of the dijet invariant mass distribution for the reaction (p) over barp -> jets + gamma + X, at a center of mass energy of 1.8 TeV, using data collected by the CDF experiment. We...

Measurement of the azimuthal angle distribution of leptons from W boson decays as a function of the W transverse momentum in p(p)over-bar collisions at root s = 1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present the first measurement of the A(2) and A(3) angular coefficients of the W boson produced in proton-antiproton collisions. We study W -> e nu(e) and W ->mu nu(mu) candidate events produced...

Measurement of the azimuthal angle distribution of leptons from W boson decays as a function of the W transverse momentum in p(p)over-bar collisions at root s = 1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present the first measurement of the A(2) and A(3) angular coefficients of the W boson produced in proton-antiproton collisions. We study W -> e nu(e) and W ->mu nu(mu) candidate events produced...

Performance of first high temperature superconducting ECRIS (2006)

Kanjilal, D., Rodrigues, G., Kumar, P., Mandal, A., Roy, A., Bieth, C., ...

High temperature superconducting (HTS) electron cyclotron resonance ion source called PKDELIS was designed, developed as a collaborative project mainly between Inter University Accelerator Centre...

Performance of first high temperature superconducting ECRIS (2006)

Kanjilal, D., Rodrigues, G., Kumar, P., Mandal, A., Roy, A., Bieth, C., ...

High temperature superconducting (HTS) electron cyclotron resonance ion source called PKDELIS was designed, developed as a collaborative project mainly between Inter University Accelerator Centre...

The CMS Integration Grid Testbed (2005)

Graham, G E, Afaq, M A, Aziz, S, Bauerdick, L A T, Ernst, M, Kaiser, J, ...

The CMS Integration Grid Testbed (IGT) comprises USCMS Tier-1 and Tier-2 hardware at the following sites: the California Institute of Technology, Fermi National Accelerator Laboratory, the University...

Characterization of the Pasteurella multocida isolates by their outer membrane protein profile (2005)

Jain, Anshu, Roy, A., Rank, D.N., Joshi, C.G., Purohit, J.H.

Pasteurella multocida is an important primary and opportunistic pathogen as well as a commensal of the upper respiratory tract of various domestic and wild animals. However, in predisposed conditions...

Raman Measurements and Stress Analysis in Gallium Ion Implanted Gallium Nitride Epitaxial Layers on Sapphire (2005)

Mal, S., Singha, A., Dhara, S., Roy, A.

In this article, we estimate hydrostatic stress developed in gallium ion implanted gallium nitride epitaxial layers using Raman measurements. We have calculated deformation potential constants for...

Quantitative Analysis of Photo-Thermal Stability of CdSe/CdS Core-Shell Nanocrystals (2005)

Singha, A., Roy, A.

We report here investigations on the instability in luminescence of bare (TOPO-stabilized) and CdS- capped CdSe particles under infrared radiation. During photo-thermal annealing the formation of...

Search for supersymmetric Higgs bosons in the di-tau decay mode in p(p)over-barcollisions at root s=1.8 TeV (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

A search for the direct production of Higgs bosons in the di-tau decay mode is performed with 86.3 +/- 3.5 pb(-1) of data collected with the Collider Detector at Fermilab during the 1994-1995 data...

Comparison of three-jet events in p(p)over-bar collisions at root s=1.8 TeV to predictions from a next-to-leading order QCD calculation (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

The properties of three-jet events with total transverse energy greater than 320 GeV and individual jet energy greater than 20 GeV have been analyzed and compared to absolute predictions from a...

Measurement of charged-particle multiplicities in gluon and quark jets in p(p)over-bar collisions at root s=1.8 TeV (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We report the first largely model independent measurement of charged particle multiplicities in quark and gluon jets, N-q and N-g, produced at the Fermilab Tevatron in p (p) over bar collisions with...

Measurement of the W boson polarization in top decay at CDF at root s=1.8 TeV (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

The polarization of the W boson in t-->Wb decay is unambiguously predicted by the standard model of electroweak interactions and is a powerful test of our understanding of the tbW vertex. We...

K-S(0) and Lambda(0) production studies in p(p)over-bar collisions at root s=1800 and 630 GeV (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a study of the production of K-S(0) and Lambda(0) in inelastic p (p) over bar collisions at root s=1800 and 630 GeV using data collected by the CDF experiment at the Fermilab Tevatron....

Search for Higgs bosons decaying into bb(-) and produced in association with a Vector boson in pp- collisions at root s=1.8 TeV (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a new search for (HV)-V-0 production, where H-0 is a scalar Higgs boson decaying into b (b) over bar with branching ratio beta, and V is a Z(0) boson decaying into e(+)e(-), mu(+)mu(-), or...

Measurements of bottom-antibottom azimuthal production correlations in proton-antiproton collisions at root s=1.8 TeV (2005)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We have measured the azimuthal angular correlation of b (b) over bar production, using 86.5 pb(-1) of data collected by Collider Detector at Fermilab (CDF) in p (p) over bar collisions at root s =...

Development of radiation tolerant semiconductor detectors for the Super-LHC (2005)

Moll, M., Adey, J., Al-Ajili, A., Alfieri, G., Allport, P. P., Artuso, M., ...

The envisaged upgrade of the Large Hadron Collider (LHC) at CERN towards the Super-LHC (SLHC) with a 10 times increased luminosity of 10(35) cm(-2) s(-1) Will present severe challenges for the...

Radiation-hard semiconductor detectors for SuperLHC (2005)

Bruzzi, M., Adey, J., Al-Ajili, A., Alexandrov, P., Alfieri, G., Allport, P. P., ...

An option of increasing the luminosity of the Large Hadron Collider (LHC) at CERN to 1035 cm-2 s-1 has been envisaged to extend the physics reach of the machine. An efficient tracking down to a few...

Recent advancements in the development of radiation hard semiconductor detectors for S-LHC (2005)

Fretwurst, E., Adey, J., Al-Ajili, A., Alfieri, G., Allport, P. P., Artuso, M., ...

The proposed luminosity upgrade of the Large Hadron Collider (S-LHC) at CERN will demand the innermost layers of the vertex detectors to sustain fluences of about 10(16) hadrons/cm(2). Due to the...

Semi-3D silicon detector and initial results of its performance (2005)

Roy, A., Bolla, G., Bortoletto, D., Li, Z.

A novel p(+)-n(+)/n/n(+) semi-3D structure configuration has been developed and it is expected to improve the radiation hardness of silicon sensors after space charge sign inversion (SCSI). A special...