Bray, S, Garner, SF, Stephens, J, De Bono, B, Angenent, WGJ, ...
Batley, J R, Culling, A J, Kalmus, G, Lazzeroni, C, Munday, D J, Slater, M W, ...
We report the results from a study of the full sample of $~6.031 x 10^{7} K^{\pm} \to \pi^{\pm} \pi^{0} \pi^{0}$ decays recorded by the NA48/2 experiment at the CERN SPS. As first observed in this...
Lapkin, Alexei A, Walker, A., Sullivan, N., Khambay, B., Mlambo, Benhilda, Chemat, S.
Quantification of artemisinin purity and amount in plant material and extracts to date has been characterized by a considerable inconsistency in values. This is likely to be due to the adoption of...
Thirty Meter Telescope Site Testing I: Overview (2009)
Schoeck, M., Els, S., Riddle, R., Skidmore, W., Travouillon, T., Blum, R., ...
As part of the conceptual and preliminary design processes of the Thirty Meter Telescope (TMT), the TMT site testing team has spent the last five years measuring the atmospheric properties of five...
Thirty Meter Telescope Site Testing I: Overview (2009)
Schöck, M., Els, S., Riddle, R., Skidmore, W., Travouillon, T., Blum, R., ...
As part of the conceptual and preliminary design processes of the Thirty Meter Telescope (TMT), the TMT site-testing team has spent the last five years measuring the atmospheric properties of five...
Precise measurement of the $K^{\pm} \to \pi^{\pm}e^{+}e^{−}$ decay (2009)
Batley, J R, Culling, A J, Kalmus, G, Lazzeroni, C, Munday, D J, Slater, M W, ...
A sample of 7253 $K^\pm\to\pi^\pm e^+e^-(\gamma)$ decay candidates with 1.0% background contamination has been collected by the NA48/2 experiment at the CERN SPS, allowing a precise measurement of...
A computational study of magnesium point defects and diffusion in forsterite (2009)
Walker, A., Woodley, S., Slater, B., Wright, K.
We have studied the formation and migration of point defects within the magnesium sub-lattice in forsterite using a combination of empirical and quantum mechanical modelling methodologies. Empirical...
Effects of Genetic Perturbation on Seasonal Life History Plasticity (2009)
Wilczek, A M, Roe, J L, Knapp, M C, Cooper, M D, Lopez-Gallego, C, Martin, L. J., ...
A computational study of magnesium point defects and diffusion in forsterite (2009)
Walker, A., Woodley, S., Slater, B., Wright, Kathleen
We have studied the formation and migration of point defects within the magnesium sub-lattice inforsterite using a combination of empirical and quantum mechanical modelling methodologies....
A computational study of magnesium point defects and diffusion in forsterite (2009)
Walker, A., Woodley, S., Slater, B., Wright, Kathleen
We have studied the formation and migration of point defects within the magnesium sub-lattice inforsterite using a combination of empirical and quantum mechanical modelling methodologies....
Effects of Genetic Perturbation on Seasonal Life History Plasticity (2009)
Wilczek, A. M., Roe, J. L., Knapp, M. C., Cooper, M. D., Lopez-Gallego, C., Martin, L. J., ...
H. A. Blair, A. Walker, Ch P. Chisholm, G. Chen, D. Ferbrache, ...
indefinite and negative data in deductive databases: A survey, Data and Knowledge
Mr Iain, A. Mcmanus, Mr Reece Clothier, Dr Rodney, A Walker
Summary: The last decade has seen a rapid increase in the development and deployment of Unmanned Airborne Vehicles (UAVs). Previous UAVs have been capable of useful missions with a limited degree of...
Sets With Type-2 Operations (2008)
Caroll. Walker Elbert, A. Walker
Type-2 fuzzy sets were introduced by Zadeh [21], extending the notion of ordinary fuzzy sets. There is now a rather extensive literature on the subject, discussing both theoretical and practical...
Fixed Wing UAV Navigation and Control through Integrated GNSS and Vision (2008)
Mr. Peter, J. Roberts, Dr Rodney, A. Walker
With the rapid deployment of Unmanned Airborne Vehicles (UAVs) into new applications, the pressure to extend the capabilities of current platforms is increasing. Increased capabilities, however,...
Mobile materials handling platform interface architecture for mass production environments (2008)
Walker, A, Butler, L, Bright, G, Tlale, NS, Kumile, C
15th International Conference on Mechatronics and Machine Vision in Practice
First Observation and Measurement of the Decay K$^{+-}$ $\to\pi^{+-}e^{+}e^{-}\gamma$ (2007)
Batley, J R, Culling, A J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Slater, M W, ...
Using the full data set of the NA48/2 experiment, the decay K+- -> pi+- e+ e- gamma is observed for the first time, selecting 120 candidates with 7.3 +- 1.7 estimated background events. With K+- ->...
R. Barley, A. Bevan, R. S. Dosanjh, T. J. Gershon, G. E. Kalmus, D. J. Munday, ...
A high sensitivity investigation of Ks and neutral hyperon
EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH (2007)
A. Lai, D. Marras, A. Bevan, R. S. Dosanjh, T. J. Gershon, B. Hay, ...
A new measurement of the branching ratio of
R. Batley, A. Bevan, R. S. Dosanjh, T. J. Gershon, G. E. Kalmus, D. J. Munday, ...
A high sensitivity investigation of K S and neutral hyperon decays using a modified K S beam.
Digital ObjeG Ide tifie (DOI) 10.1007/s100520100822 Eur. Phys. J. C 22, 231--254 (2001) (2007)
The European Phy, A. Lai, D. Marras, A. Bevana, R. S. Dosanjh, T. J. Gershonb, ...
The dire1 CP violation parameon Re # # /#) has beL meLLKKy fromthe de yrate ofnefRLK kaons into two pions usingthe NA48de8y9fL atthe CERN SPS. With 3.3 million KL colleBLB duringthe 1998 and 1999...
Batley, J Richard, Culling, A J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Slater, M W, ...
We report results from a new measurement of the K_{e4} decay K^{+-} -> \pi^+ \pi^- e^{+-} v by the NA48/2 collaboration at the CERN SPS, based on a partial sample of more than 670000 Ke4 decays in...
Determination of the relative decay rate KS $\to \pi e \nu$ / KL $\to \pi e \nu$ (2007)
Batley, J R, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Patel, M, Slater, M W, ...
The decay rate of KS $\to \pi e \nu$ relative to the rate of KL $\to \pi e \nu$ has been measured by the NA48 collaboration in a neutral Kaon beam originating from 400 GeV proton-Be interactions at...
Batley, J Richard, Culling, A J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Slater, M W, ...
A measurement of the direct CP violating charge asymmetries of the Dalitz plot linear slopes $A_g=(g^+-g^-)/(g^++g^-)$ in $K^\pm\to\pi^\pm\pi^+\pi^-$ and $K^\pm\to\pi^\pm\pi^0\pi^0$ decays by the...
Batley, J Richard, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Patel, M, Slater, M W, ...
A total of 235 698 Xi0 -> Lambda pi0 and 21 527 anti-Xi0 -> anti-Lambda pi0 decays were selected from data obtained by the NA48/1 experiment at CERN. From this sample, the lifetime of the Xi0 hyperon...
The Beam and Detector for the NA48 Neutral Kaon CP Violation Experiment at CERN (2007)
Fanti, V, Lai, A, Marras, D, Musa, L, Nappi, A, Batley, J Richard, ...
The Beam and Detector, used for the NA48 experiment, devoted to the measurement of $Re(\epsilon^{\prime}/\epsilon)$, and for the NA48/1 experiment on rare K_S and neutral hyperon decays, are...
Batley, J Richard, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Patel, M, Slater, M W, ...
The weak radiative decay $Xi^0 -> \Lambda e^+ e^- $ has been detected for the first time. We find 412 candidates in the signal region, with an estimated background of $15pm 5$ events. We determine...
Mutrie, N., Campbell, A.M., Whyte, F., McConnachie, A., Emslie, C., Lee, L., ...
Objectives: To determine functional and psychological benefits of a 12 week supervised group exercise programme during treatment for early stage breast cancer, with six month follow-up. Design:...
Measurement of the Dalitz plot slopes of the $K^\pm\to\pi^\pm\pi^+\pi^-$ decay (2007)
Batley, J Richard, Culling, A J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Slater, M W, ...
The distribution of the $K^\pm\to\pi^\pm\pi^+\pi^-$ decays in the Dalitz plot has been measured by the NA48/2 experiment at the CERN SPS with a sample of $4.71\times 10^8$ fully reconstructed events....
Batley, J R, Anzivino, Giuseppina, Arcidiacono, R, Baldini, W, Balev, S, Behler, M, ...
Measured ratios of decay rates for $\rkekp$, $\rkmukp$ and $\rkmuke$ are presented. These measurements are based on $K^\pm$ decays collected in a dedicated run in 2003 by the NA48/2 experiment at...
The beam and detector for the NA48 neutral kaon CP violation experiment at CERN (2007)
Fanti, V., Lai, A., Marras, D., Musa, L., Nappi, A., Batley, R., ...
The beam and detector, used for the NA48 experiment, devoted to the measurement of Re(ε′/ε), and for the NA48/1 experiment on rare KS and neutral hyperon decays, are described.
The beam and detector for the NA48 neutral kaon CP violation experiment at CERN (2007)
Fanti, V., Lai, A., Marras, D., Musa, L., Nappi, A., Batley, R., ...
The beam and detector, used for the NA48 experiment, devoted to the measurement of Re(ε′/ε), and for the NA48/1 experiment on rare KS and neutral hyperon decays, are described.
The beam and detector for the NA48 neutral kaon CP violation experiment at CERN (2007)
Fanti, V., Lai, A., Marras, D., Musa, L., Nappi, A., Batley, R., ...
The beam and detector, used for the NA48 experiment, devoted to the measurement of Re(ε′/ε), and for the NA48/1 experiment on rare KS and neutral hyperon decays, are described.
Titanium substitution mechanisms in forsterite (2007)
Berry, A., Walker, A., Herman, J., O'Neil, H., Foran, G., Gale, Julian
Ti K-edge X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) spectra, together with atomic scale calculations, indicate that Ti occupies the Si site in...
Titanium substitution mechanisms in forsterite (2007)
Berry, A., Walker, A., Herman, J., O'Neil, H., Foran, G., Gale, Julian
Ti K-edge X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) spectra, together with atomic scale calculations, indicate that Ti occupies the Si site in...
S. A. Wotton, R. Arcidiacono, G. Bocquet, N. Cabibbo, A. Ceccucci, D. Cundy, ...
New high statistics measurement of Ke4 decay form factors and ππ scattering phase shifts The NA48/2 Collaboration 1 We report results from a new measurement of the Ke4 decay K ± → π + π−e ±...
Lai, A, Anzivino, Giuseppina, Arcidiacono, R, Barr, G, Becker, H G, Bertanza, L, ...
We present a measurement of the ratio of the decay rates $\Gamma (K_L \rightarrow\pi^+\pi^-) / \Gamma(K_L \rightarrow\pi^{\pm}e^{\mp}\nu)$, denoted as $\Gamma_{K2\pi}/\Gamma_{Ke3}$. The analysis is...
Measurement of $k^0 _{\mu 3}$ form factors (2006)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
This paper reports on a new high precision measurement of the form factors of the $\rm K_{L}\rightarrow~\pi^{\pm}~\mu^{\mp}~\nu_{\mu}$} decay. The data sample of about 2.3X10^6 events was recorded in...
Batley, J Richard, Anzivino, Giuseppina, Arcidiacono, R, Baldini, W, Behler, M, Biino, C, ...
From 56 days of data taking in 2002, the NA48/1 experiment observed 6316 $\Xi^{0}\rightarrow \Sigma^{+} e^{-} \overline{\nu}_{e}$ candidates (with the subsequent $\Sigma^{+} \rightarrow p \pi^{0}$...
Pietrzynski, G., Gieren, W., Soszynski, I., Udalski, A., Bresolin, F., ...
We have detected, for the first time, Cepheid variables in the Sculptor Group SB(s)m galaxy NGC 55. From wide-field images obtained in the optical V and I bands during 77 nights in 2002-2003, we have...
Search for direct CP-violation in $K^{\pm}\to \pi^{\pm}\pi^{0}\pi^{0}$ decays (2006)
Batley, J Richard, Culling, A J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Slater, M W, ...
A search for direct CP-violation in K+- --> pi+-pi0pi0 decays based on 47.14 million events has been performed by the NA48/2 experiment at the CERN SPS. The asymmetry in the Dalitz plot linear slopes...
Search for direct CP-violation in $K^{\pm} \to \pi^{\pm} \pi^{0} \pi^{0}$ decays (2006)
Batley, J Richard, Culling, A J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Slater, M W, ...
A search for direct CP-violation in $K^{\pm}\rightarrow \pi^\pm \pi^0 \pi^0$ decay based on 47.14 million events has been performed by the NA48/2 experiment at the CERN SPS. The asymmetry in the...
Bridle, C., Riemsma, R.P., Pattenden, J., Sowden, A.J., Mather, L., Watt, I.S., ...
The Transtheoretical Model (TTM) has gained widespread popularity and acceptance, yet little is known about its effectiveness as a basis for health behavior intervention. A systematic review was...
Walker, A., Demouchy, S., Wright, Kathleen
The structure, formation energies and infrared (IR) active vibrational modes of hydrous defects in the iron free end members of two of the most important minerals of the Earth's mantle, a- and...
Walker, A., Demouchy, S., Wright, Kathleen
The structure, formation energies and infrared (IR) active vibrational modes of hydrous defects in the iron free end members of two of the most important minerals of the Earth's mantle, a- and...
Dekker, W., Pawson, M., Walker, A., Rosell, R., Evans, D., Briand, C., ...
/ Différents modèles sont testés sur une sélection de bassins européens dont la Gironde.
Ultra high cycle fatigue in small scale volumes. (2006)
Eberl, C., Walker, A., Kraft, O.
Gordon Research Conf.on Thin Film and Small Scale Mechanical Behavior, Waterville, Maine, July 30 - August 4, 2006
Batley, J Richard, Anzivino, Giuseppina, Arcidiacono, R, Baldini, W, Balev, S, Behler, M, ...
We report the results from a study of ~23 Million K+- ==> pi+- pizero pizero decays recorded by the NA48/2 experiment at the CERN SPS, showing an anomaly in the pizero pizero invariant mass...
Batley, J Richard, Lazzeroni, C, Munday, D J, Patel, M, Slater, M W, Wotton, S A, ...
The NA48 collaboration has measured the amplitude of the CP-conserving component of the decay K^0_S -> \pi^+ \pi^- \pi^0 relative to K^0_L -> \pi ^+ \pi^- \pi ^0. For the characteristic parameter...
Bridle, C., Riemsma, R.P., Pattenden, J., Sowden, A.J., Mather, L., Watt, S., ...
The Transtheoretical Model (TTM) has gained widespread popularity and acceptance, yet little is known about its effectiveness as a basis for health behavior intervention. A systematic review was...
Measurement of the $K_{L} \to e^{+}e^{-}e^{+} e^{-}$ Decay Rate (2005)
Lai, A, Bearden, I G, Marras, D, Batley, J Richard, Dosanjh, R S, Gershon, T J, ...
The decay rate of the long-lived neutral K meson into the e^+ e^- e^+ e^- final state has been measured with the NA48 detector at the CERN SPS. Using data collected in 1998 and 1999, a total of 200...
Search for CP violation in $K^{0} \to 3\pi^{0}$ decays (2005)
Lai, A, Marras, D, Batley, J Richard, Dosanjh, R S, Gershon, T J, Kalmus, George Ernest, ...
Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violation decay K_s -> 3pi^0 has been performed. From a fit to the lifetime distribution of about 4.9...
Guidance on glazing at height (2005)
Keiller, A. P., Ledbetter, Stephen R, Walker, A., Wolmuth, W. J.
This book provides clear, consistent information on the glazing used within both new and existing buildings and which has a potential to fall on breakage. Particular emphasis is given to the safety...
Michie, S., Johnston, M., Abraham, C., Lawton, R., Parker, D., Walker, A.
Background: Evidence-based guidelines are often not implemented effectively with the result that best health outcomes are not achieved. This may be due to a lack of theoretical understanding of the...
LHCb Computing Technical Design Report (2005)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Magnin, J., ...
LHCb Computing Technical Design Report (2005)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Magnin, J., ...
LHCb Computing Technical Design Report (2005)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Magnin, J., ...
Atomic scale modelling of the cores of dislocations in complex materials part 1: methodology (2005)
Gale, Julian, Wright, Kathleen, Walker, A., Slater, B.
Dislocations influence many properties of crystalline solids, including plastic deformation, growth and dissolution, diffusion and the formation of polytypes. Some of these processes can be described...
Atomic scale modelling of the cores of dislocations in complex materials part 2: applications (2005)
Gale, Julian, Wright, Kathleen, Walker, A., Slater, B.
This study investigates the behaviour of selected, morphologically important surfaces of dolomite (CaMg(CO3)2), using computational modelling techniques. Interatomic potential methods have been used...
Atomic scale modelling of the cores of dislocations in complex materials part 1: methodology (2005)
Gale, Julian, Wright, Kathleen, Walker, A., Slater, B.
Dislocations influence many properties of crystalline solids, including plastic deformation, growth and dissolution, diffusion and the formation of polytypes. Some of these processes can be described...
Atomic scale modelling of the cores of dislocations in complex materials part 2: applications (2005)
Gale, Julian, Wright, Kathleen, Walker, A., Slater, B.
This study investigates the behaviour of selected, morphologically important surfaces of dolomite (CaMg(CO3)2), using computational modelling techniques. Interatomic potential methods have been used...
Email Alerting, J Brenchley, A Walker, J P Sloan, T B Hassan, H Venables, ...
service
Measurement of the Radiative Ke3 Branching Ratio (2004)
Anzivino, Giuseppina, Barr, G, Becker, H G, Bertanza, L, Bevan, A, Biino, C, ...
We present a measurement of the relative branching ratio of the decay KL -> pi e nu gamma (Ke3gamma) with respect to KL-> pi e nu (gamma) (Ke3+Ke3gamma) decay. The result is based on observation of...
Measurement of the Radiative $K_{e3}$ Branching Ratio (2004)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
We present a measurement of the relative branching ratio of the decay {K}^0 -> pi+-e-+ nu gamma ({K}_e3 gamma) with respect to {K}^0 -> pi+- e-+ nu (gamma) ({k}_e3 + k}_e3 gamma) decay. The result is...
Measurement of $K_{e3}^{0}$ form factors (2004)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
The semileptonic decay of the neutral K meson KL -> pi+-e-+v (Ke3), was used to study the strangeness-changing weak interaction of hadrons. A sample of 5.6 million reconstructed events recorded by...
Lai, A, Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, ...
We present a new measurement of the branching ratio R of the decay KL -> pi+-e-+nu, denoted as Ke3, relative to all charged Kl decays with two tracks, based on data taken with the NA48 detector at...
Renaud, F.G., Brown, C.D., Fryer, C.J., Walker, A.
Leaching of three pesticides (isoproturon, chlorotoluron and triasulfuron) and a tracer (bromide) were determined in four contrasting soils ranging in texture from sandy loam to clay. The compounds...
Search for CP violation in $K^{0} \to 3 \pi^{0}$ decays (2004)
Batley, J Richard, Lai, A, Marras, D, Batley, J Richard, Dosanjh, R S, Gershon, T J, ...
Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay K_S -> 3 pi0 has been performed. From a fit to the lifetime distribution of about 4.9...
Observation of the rare decays $K_{s} \to \pi^{0} \mu^{+} \mu^{-}$ (2004)
Batley, J Richard, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Patel, M, Slater, M W, ...
A search for the decay Ks -> pi0 mu+ mu- has been made by the NA48/1 Colaboration at the CERN SPS accelerator. The data were collected during 2002 with a high intensity Ks beam. Six events were found...
Batley, J Richard, Dosanjh, R S, Gershon, T J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, ...
The K_L -> pi+- pi0 e-+ nu_e(nubar_e) decau was investigated with the NA48 detector at CERN SPS using a beam of long-lived neutral kaons. The branching ratio Br(K_L -> pi+- pi0 e-+...
First observation of the K-S -> pi(0)gamma gamma (2004)
Lai, A, Marras, D, Batley, JR, Dosanjh, RS, Gershon, TJ, Kalmus, GE, ...
Measurement of K-e3(0) form factors (2004)
Lai, A, Marras, D, Bevan, A, Dosanjh, RS, Gershon, TJ, Hay, B, ...
Ultrasound by emergency physicians to detect abdominal aortic aneurysms: a UK case series (2004)
Walker, A., Brenchley, J., Sloan, J.P., Lalanda, M., Venables, H.
Early identification of abdominal aortic aneurysms in some patients can be difficult and the diagnosis is missed in up to 30% of patients. Ultrasound cannot be used to identify a leak, but the...
Screening for Hepatitis C in injecting drug users (2004)
Stein, Ken, Dalziel, Kim Marie, Walker, A, Jenkins, B, Round, Alison, Royle, Pam
LHCb RICH1 Engineering Design Review Report Members of the LHCb RICH group (2004)
N. H. Brook, R. D. Head, F. Metlica, A. Muir, A. Phillips, F. F. Wilson, ...
This document describes the concepts of the engineering design to be adopted for the upstream Ring Imaging Cherenkov detector (RICH 1) of the reoptimized LHCb detector. Our aim is to ensure that...
Becu, N., Barreteau, O., Perez, P., Walker, A., Garin, P.
/ Ce projet, inclus dans un travail plus large sur la faisabilité de la modélisation à dires d`acteurs dans un contexte de gestion de bassin versant, avait comme objectifs particuliers au sein du...
Screening for Hepatitis C in injecting drug users (2004)
Stein, Ken, Dalziel, Kim Marie, Walker, A, Jenkins, B, Round, Alison, Royle, Pam
Denvir, M. A., Lee, A. J., Rysdale, J., Prescott, R. J., Eteiba, H., Walker, A., ...
This study compares 12 month clinical outcomes and procedural costs at two interventional centres with significant differences in crude mortality and revascularization outcomes between 1997 and 1998....
Screening for Hepatitis C in injecting drug users (2004)
Stein, Ken, Dalziel, Kim Marie, Walker, A, Jenkins, B, Round, Alison, Royle, Pam
Cost of an emerging epidemic: an economic analysis of atrial fibrillation in the UK (2004)
Stewart, Simon, Murphy, N, Walker, A, Mcguire, Alex, McMurray, John
Measurement of the $\Xi^0 \rightarrow \Lambda\gamma$ Decay Asymmetry and Branching Fraction (2003)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
In data taken with the NA48 experiment at the CERN SPS in 1999, 730 candidates of the weak radiative hyperon decay Xi0 -> Lambda gamma have been found with an estimated background of 58 +- 8 events....
Observation of the rare decay $K_S \rightarrow \pi^0 \mathrm{e}^+\mathrm{e}^-$ (2003)
Batley, J Richard, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Patel, M, Slater, M W, ...
A search for the decay K_S -> pi0e+e- has been made by the NA48/1 experiment at the CERN SPS accelerator. Using data collected during 89 days in 2002 with a high-intensity K_S beam, 7 events were...
First observation of the $K_{S}\to \pi^{0}\gamma\gamma$ decay (2003)
Lai, A, Marras, D, Batley, J Richard, Dosanjh, R S, Gershon, T J, Kalmus, George Ernest, ...
Using the NA48 detector at the CERN SPS, 31K_S -> \pi^0\gamma\gamma candidates with an estimated background of 13.7 +- 3.2 events have been observed. This first observation leads to a branching ratio...
The current cost of angina pectoris to the National Health Service in the UK (2003)
McGuire, Alistair, Stewart, S, Murphy, N, Walker, A, McMurray, J
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2003)
Lai, A, Anzivino, Giuseppina, Arcidiacono, R, Barr, G, Becker, H G, Bevan, A, ...
The K_L -> pi+pi-e+e- and K_S -> pi+pi-e+e- decay modes have been studied in detail using the NA48 detector at CERN SPS. Based on the data collected during the 1998 and 1999 run periods, a sample of...
Riemsma, R.P., Pattenden, J., Bridle, C., Sowden, A.J., Mather, L., Watt, I.S., ...
OBJECTIVE To evaluate the effectiveness of interventions using a stage based approach in bringing about positive changes in smoking behaviour. DESIGN Systematic review. DATA SOURCES 35 electronic...
Riemsma, R.P., Pattenden, J., Bridle, C., Sowden, A.J., Mather, L., Watt, I.S., ...
OBJECTIVE To evaluate the effectiveness of interventions using a stage based approach in bringing about positive changes in smoking behaviour. DESIGN Systematic review. DATA SOURCES 35 electronic...
Temperature and Field Dependence of the Mobility of Highly-Ordered Conjugated Polymer Films (2003)
Martin, S. J., Kambili, Agapi, Walker, A.
The transport properties of organic light-emitting diodes in which the emissive layer is composed of highly ordered conjugated polymers have been investigated. We have performed simulations of the...
Search for the decay $K_{s} \to \pi^{0}\gamma\gamma$ (2003)
Lai, A, Marras, D, Batley, J Richard, Bevan, A, Dosanjh, R S, Gershon, T J, ...
A search for the decay $K_S\to\pi^0\gamma\gamma$ has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity $K_S$ beam, an upper...
Precise measurements of the K-s -> gamma gamma and K-L -> gamma gamma decay rates (2003)
Lai, A, Marras, D, Batley, JR, Dosanjh, RS, Gershon, TJ, Kalmus, GE, ...
Investigation of K-L,K-s -> pi(+)pi(-)e(+)e(-) decays (2003)
Lai, A, Marras, D, Bevan, A, Dosanjh, RS, Gershon, TJ, Hay, B, ...
Search for the decay K-S -> pi(0) gamma gamma (2003)
Lai, A, Marras, D, Batley, R, Bevan, A, Dosanjh, RS, Gershon, TJ, ...
LHCb reoptimized detector design and performance : Technical Design Report (2003)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Correade Oliveira, E., Magnin, J., ...
LHCb Trigger System : Technical Design Report (2003)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Correade Oliveira, E., Magnin, J., ...
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2003)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
Precise measurements of the $K_{S} \to \gamma\gamma$ and $K_{L} \to \gamma\gamma$ decay rates (2003)
Lai, A., Marras, D., Batley, J R., Dosanjh, R S., Gershon, T J., Kalmus, G E., ...
Affiliations: CERN Imprint: 10 Oct 2002 Pages: 10 p Subjects: Particle Physics - Experimental Results Accelerator: CERN SPS Experiment: NA48 (CERN Expt. Grey Book) ; Divisional affiliation: EP See...
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2003)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
LHCb Trigger System : Technical Design Report (2003)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Correade Oliveira, E., Magnin, J., ...
LHCb reoptimized detector design and performance : Technical Design Report (2003)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Correade Oliveira, E., Magnin, J., ...
Precise measurements of the $K_{S} \to \gamma\gamma$ and $K_{L} \to \gamma\gamma$ decay rates (2003)
Lai, A., Marras, D., Batley, J R., Dosanjh, R S., Gershon, T J., Kalmus, G E., ...
Affiliations: CERN Imprint: 10 Oct 2002 Pages: 10 p Subjects: Particle Physics - Experimental Results Accelerator: CERN SPS Experiment: NA48 (CERN Expt. Grey Book) ; Divisional affiliation: EP See...
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2003)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
LHCb Trigger System : Technical Design Report (2003)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Correade Oliveira, E., Magnin, J., ...
LHCb reoptimized detector design and performance : Technical Design Report (2003)
Antunes Nobrega, R., Franca Barbosa, A., Bediaga, I., Cernicchiaro, G., Correade Oliveira, E., Magnin, J., ...
Precise measurements of the $K_{S} \to \gamma\gamma$ and $K_{L} \to \gamma\gamma$ decay rates (2003)
Lai, A., Marras, D., Batley, J R., Dosanjh, R S., Gershon, T J., Kalmus, G E., ...
Affiliations: CERN Imprint: 10 Oct 2002 Pages: 10 p Subjects: Particle Physics - Experimental Results Accelerator: CERN SPS Experiment: NA48 (CERN Expt. Grey Book) ; Divisional affiliation: EP See...
European Organization For Nuclear Research (2003)
A. Lai, D. Marras, M. D. Needham, E. Olaiya, M. A. Parker, ...
e - decay modes have been studied in detail using the NA48 detector at the CERN SPS. Based on the data collected during the 1998 and 1999 run periods, a sample of 1162 K L e - candidates has been...
Becu, N., Bousquet, F., Barreteau, O., Perez, P., Walker, A.
In the frame of using models to promote dialogue among stakeholders, we are interested in modelling representations as a mean to share viewpoints and opinions. A first trend for modelling...
Precise measurements of the $K_{S}\to\gamma\gamma$ and $K_{L}\to\gamma\gamma$ decay rates (2002)
Lai, A, Marras, D, Batley, J Richard, Dosanjh, R S, Gershon, T J, Kalmus, George Ernest, ...
The K_S -> gammagamma decay rate has been measured with the NA48 detector using a high intensity short neutral beam from the CERN SPS. The measured branching ratio BR(K_S) -> gammagamma = (2.78 +-...
A precision measurement of direct CP violation in the decay of neutral kaons into two pions (2002)
Batley, J Richard, Dosanjh, R S, Gershon, T J, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, ...
The direct CP violation parameter Re($\epsilon'/\epsilon)$ has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. The 2001 running period was...
Precise measurement of the decay $K_{L} \to \pi^{0}\gamma\gamma$ (2002)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
The decay rate of $\klpgg$ has been measured with the NA48 detector at the CERN SPS. A total of $2558$ $\klpgg$ candidates have been observed with a residual background of $3.2\%$. The branching...
A Measurement of the $K_{s}$ Lifetime (2002)
Lai, A, Marras, D, Batley, J Richard, Bevan, A, Dosanjh, R S, Gershon, T J, ...
A measurement of the $\KS$ lifetime is presented using data recorded by the NA48 experiment at the CERN-SPS during 1998 and 1999. The $\KS$ lifetime is derived from the ratio of decay time...
New measurements of the $\eta$ and $K^0$ masses (2002)
Lai, A, Marras, D, Batley, J Richard, Bevan, A J, Dosanjh, R S, Gershon, T J, ...
New measurements of the $\eta$ and $K^0$ masses have been performed using decays to 3$\pi^0$ with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results...
A measurement of the Ks lifetime (2002)
Lai, A, Marras, D, Batley, JR, Bevan, A, Dosanjh, RS, Gershon, TJ, ...
Precise measurement of the decay K-L ->pi(0)gamma gamma (2002)
Lai, A, Marras, D, Bevan, A, Dosanjh, RS, Gershon, TJ, Hay, B, ...
New measurements of the eta and Kappa(0) masses (2002)
Lai, A, Marras, D, Batley, JR, Bevan, AJ, Dosanjh, RS, Gershon, TJ, ...
A precision measurement of direct CP violation in the decay of neutral kaons into two pions (2002)
Batley, JR, Dosanjh, RS, Gershon, TJ, Kalmus, GE, Lazzeroni, C, Munday, DJ, ...
Search for the decay $K_{s} \to \pi^{0}\gamma\gamma$ (2002)
Lai, A., Marras, D., Batley, R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
A search for the decay K_S -> pi0gammagamma has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity K_S, an upper limit for the...
Precise measurement of the decay $K_{L} \to\pi^{0}\gamma\gamma$ (2002)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
The decay rate of $\klpgg$ has been measured with the NA48 detector at the CERN SPS. A total of $2558$ $\klpgg$ candidates have been observed with a residual background of $3.2\%$. The branching...
New measurements of the $\eta$ and $K^0$ masses (2002)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
New measurements of the $\eta$ and $K^0$ masses have been performed using decays to 3$\pi^0$ with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results...
Search for the decay $K_{s} \to \pi^{0}\gamma\gamma$ (2002)
Lai, A., Marras, D., Batley, R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
A search for the decay K_S -> pi0gammagamma has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity K_S, an upper limit for the...
Precise measurement of the decay $K_{L} \to\pi^{0}\gamma\gamma$ (2002)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
The decay rate of $\klpgg$ has been measured with the NA48 detector at the CERN SPS. A total of $2558$ $\klpgg$ candidates have been observed with a residual background of $3.2\%$. The branching...
New measurements of the $\eta$ and $K^0$ masses (2002)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
New measurements of the $\eta$ and $K^0$ masses have been performed using decays to 3$\pi^0$ with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results...
Search for the decay $K_{s} \to \pi^{0}\gamma\gamma$ (2002)
Lai, A., Marras, D., Batley, R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
A search for the decay K_S -> pi0gammagamma has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity K_S, an upper limit for the...
Precise measurement of the decay $K_{L} \to\pi^{0}\gamma\gamma$ (2002)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
The decay rate of $\klpgg$ has been measured with the NA48 detector at the CERN SPS. A total of $2558$ $\klpgg$ candidates have been observed with a residual background of $3.2\%$. The branching...
New measurements of the $\eta$ and $K^0$ masses (2002)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
New measurements of the $\eta$ and $K^0$ masses have been performed using decays to 3$\pi^0$ with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results...
McColl, K.E., Murray, L.S., Gillen, D., Walker, A., Wirz, A., Fletcher, J., ...
OBJECTIVE: To compare the efficacy of non-invasive testing for Helicobacter pylori with that of endoscopy (plus H pylori testing) in the management of patients referred for endoscopic investigation...
A precision measurement of direct CP violation in the decay of neutral kaons into two pions (2002)
J. R. Batley, R. S. Dosanjh, T. J. Gershon, G. E. Kalmus, C. Lazzeroni, D. J. Munday, ...
The direct CP violation parameter Re(# # /#) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS.
How bad isn't the agent-based model CATCHSCAPE ? (2002)
Becu, N., Perez, P., Barreteau, O., Walker, A.
Due to mounting human pressure, stakeholders in northern Thailand are facing crucial natural resource management issues. The impact of upstream irrigation management on the downstream agricultural...
Stewart, S., Blue, L., Walker, A., Morrison, C., Mcmurray, J.J.V.
Aims Hospital activity represents the major component of health care expenditure related to heart failure. This study evaluated the economic impact of applying specialist nurse management programmes...
A precise measurement of the direct CP violation parameter $Re(\epsilon'/\epsilon)$ (2001)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
The direct CP violation parameter \Ree\ has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. With 3.3 million \klpiopio\ events collected...
Search for the decay $K_{s} \to \pi^{0}e^{+}e^{-}$ (2001)
Lai, A, Marras, D, Batley, J Richard, Bevan, A, Dosanjh, R S, Gershon, T J, ...
A search for the decay $\kspiee$ has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity $\ks$ beam, an upper limit for the...
Lai, A, Marras, D, Musa, L, Bevan, A, Dosanjh, R S, Gershon, T J, ...
A value of \( (-6.1\pm 0.9_{stat}\pm 0.5_{syst})\times 10^{-3} \) is obtained for the quadratic slope parameter \( h \) in the \( K_{L}\rightarrow 3\pi ^{0} \) decay Dalitz plot at the NA48...
A precise measurement of the direct CP violation parameter Re(epsilon '/epsilon) (2001)
Lai, A, Marras, D, Bevan, A, Dosanjh, RS, Gershon, TJ, Hay, B, ...
Search for the decay K-s -> pi(0)e(+)e(-) (2001)
Lai, A, Marras, D, Batley, R, Bevan, A, Dosanjh, RS, Gershon, TJ, ...
Measurement of the quadratic slope parameter in the K-L -> 3 pi(0) decay Dalitz plot (2001)
Lai, A, Marras, D, Musa, L, Bevan, A, Dosanjh, RS, Gershon, TJ, ...
Diary in the sky: A spatial audio display for a mobile calendar (2001)
Walker, A., Brewster, S.A., McGookin, D., Ng, A.
We present a spatial audio display technique that overcomes the presentation rate bottleneck of traditional monaural audio displays. Our compact speech display works by encoding message semantics...
In this work, we look at the perception of event locality under conditions of disparate audio and visual cues. We address an aspect of the so called “ventriloquism effect” relevant for...
A precise measurement of the direct CP violation parameter Re(ε'/ε) (2001)
A. Lai, D. Marras, A. Bevana, R. S. Dosanjh, T. J. Gershonb, B. Hayc, ...
The dire1 CP violation parameon Re # # /#) has beL meLLKKy fromthe de yrate ofnefRLK kaons into two pions usingthe NA48de8y9fL atthe CERN SPS. With 3.3 million KL colleBLB duringthe 1998 and 1999...
Becu, N., Perez, P., Walker, A., Barreteau, O.
Due to mounting human pressure, stakeholders in northern Thailand are facing crucial natural resources management issues. Among others, the impact of upstream irrigation management on the downstream...
Human and Ape Molecular Clocks and Constraints on Paleontological Hypotheses (2001)
Stauffer, R. L., Walker, A., Ryder, O. A., Lyons-Weiler, M., Hedges, S. Blair
Although the relationships of the living hominoid primates (humans and apes) are well known, the relationships of the fossil species, times of divergence of both living and fossil species, and the...
A Fine Grain Configurable Logic Block for Self-checking FPGAs (2001)
This paper proposes a logic cell that can be used as a building block for Self-checking FPGAs. The proposed logic cell consists of two 2-to-1 multiplexers, three 4-to-1 multiplexers and a D...
A new measurement of the branching ratio of $K_{s} \to \gamma\gamma$ (2000)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
The decay rate of $\ksgg$ has been measured with the NA48 detector at the CERN SPS. A total of $149$ $\ksgg$ events have been observed. The branching ratio is determined to be $(2.58 \pm0.36(stat)...
Measurement of the $K_{L} \to e^{+} e^{-} e^{+} e^{-}$ Decay Rate (2000)
Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, ...
The decay rate of the neutral long-lived K meson into the e+ e- e+ e- final state has been measured with the NA48 detector at the CERN SPS. Using data collected in 1999, a total of 132 events has...
Spatial audio in small display screen devices (2000)
Our work addresses the problem of (visual) clutter in mobile device interfaces. The solution we propose involves the translation of technique-from the graphical to the audio domain-for expliting...
Observation of the decay K-S -> pi(+)pi(-)e(+)e(-) (2000)
Lai, A, Marras, D, Musa, L, Bevan, A, Dosanjh, RS, Gershon, TJ, ...
A new measurement of the branching ratio of K-S -> gamma gamma (2000)
Lai, A, Marras, D, Bevan, A, Dosanjh, RS, Gershon, TJ, Hay, B, ...
Naden, P., Broadhurst, P., Tauveron, N., Walker, A.
Two applications of a river routing model based on the observed river network and a linearised solution to the convective-diffusion equation are presented. One is an off-line application to part of...
Naden, P., Broadhurst, P., Tauveron, N., Walker, A.
Two applications of a river routing model based on the observed river network and a linearised solution to the convective-diffusion equation are presented. One is an off-line application to part of...
First Measurement of the Rate $K^0_L \to \pi \mu \nu \gamma$ (1997)
Bender, M, Augustin, I, Holder, M, Schwarze, I, Ziolkowski, M, Fanti, V, ...
In a preliminary version of the NA48 experiment at the CERN SPS, in which an iron- scintillator sandwich calorimeter was used as a photon detector, the ratio of K$_L \to \pi\mu\nu\gamma$ and K$_L \to...
Is medical treatment for angina the most cost-effective option? (1997)
A meta-analysis of the benefits of coronary artery bypass graft (CABG) surgery has been used as the basis of a model for comparing the costs and benefits of surgical and medical treatment of angina...
Pseudohypertriglyceridemia due to benign glycerol kinase deficiency (1996)
Delanghe, Joris, DESLYPERE, JP, De Buyzere, Marc, DE BISCOP, S, WILLEMS, P, WALKER, A
BaBar technical design report (1995)
BABAR Collaboration, Boutigny, D, Karyotakis, Y, Lees-Rosier, S, Petitpas, P, Evangelista, C, ...
A polymorphic DNA sequence (174-3.7) on chromosome 19 [D19S58] (1989)
Lee, J.E., Garbutt, J.H., Pufky, J., Ciccone, C., Walker, A., Bartlett, R., ...
A MOBILITY MODEL FOR MOSFET DEVICE DIMULATION (1988)
The device characteristics of sub-micron MOS transistors depend strongly on the mobility of the charge carriers in the inversion layer. A new low lateral field mobility model for the normal field...
AN ELECTRON-BEAM CONTROLLED SLM BASED ON A BISTABLE NONLINEAR INTERFERENCE FILTER (1988)
Walker, A., Smith, S., Campbell, R., Mathew, J.
A nonlinear interference filter has been incorporated into a CRT and e-beam controlled switching of individual elements in a 2 x 2 array of optically bistable pixels demonstrated.
APPLICATION OF OPTOTHERMAL OPTICALLY BISTABLE DEVICES TO TELECOMMUNICATIONS SWITCHING (1988)
Buller, G., Paton, C., Smith, S., Walker, A.
A 1 x 4 spatial switch network, based on bistable nonlinear interference filters and optically controlled route selection, has been demonstrated. Development of similar devices operating with near-ir...
DEVICE CHARACTERISATION OF A HIGH DENSITY HALF-MICRON CMOS PROCESS (1988)
Woerlee, P., Juffermans, C., Lifka, H., Walker, A., Poorter, T., Merks-Eppingbroek, H., ...
The device characterisation and the ringoscillator performance of a high density half-micron CMOS process were studied. A novel recessed field isolation technology, twin retrograde wells, N+...
Chua, P., Ji, W., Kar, A., Walker, A.
A photo-Hall technique has been used to make a direct measurement of the nonlinear refractive index cross-section in room-temperature InSb at 10.6 µm wavelength. The value deduced is σ = - (2.3...
MODAL BISTABILITY IN A GaAlAs LEAKY WAVEGUIDE (1988)
Valera, J., Aitchison, J., Goodwill, D., Walker, A., Henning, I., Ritchie, S.
We report the observation of power dependent mode changes leading to a nonlinear transmission response and optical bistability in a GaAlAs leaky slab waveguide. The dominant mechanism appears to be...
MONOCHROMATIC X-RAY AND XUV IMAGING WITH MULTILAYER OPTICS (1988)
Walker, A., Lindblom, J., Hoover, R., Barbee, T.
The development of techniques for the fabrication of multilayer coated mirrors which can function as energy selective X-ray and XUV mirrors at normal incidence has greatly expanded the options...
PIXELLATION OF OPTO-THERMAL BISTABLE DEVICES FOR SWITCH POWER AND CROSSTALK REDUCTION (1988)
Kar, A., Harris, R., Buller, G., Smith, S., Walker, A.
We report the reduction of switch power in an optically bistable nonlinear interference filter (NLIF) by pixellation. Pixellation was achieved by machining grooves on NLIF using an excimer laser. We...
A MOBILITY MODEL FOR MOSFET DEVICE DIMULATION (1988)
The device characteristics of sub-micron MOS transistors depend strongly on the mobility of the charge carriers in the inversion layer. A new low lateral field mobility model for the normal field...
AN ELECTRON-BEAM CONTROLLED SLM BASED ON A BISTABLE NONLINEAR INTERFERENCE FILTER (1988)
Walker, A., Smith, S., Campbell, R., Mathew, J.
A nonlinear interference filter has been incorporated into a CRT and e-beam controlled switching of individual elements in a 2 x 2 array of optically bistable pixels demonstrated.
APPLICATION OF OPTOTHERMAL OPTICALLY BISTABLE DEVICES TO TELECOMMUNICATIONS SWITCHING (1988)
Buller, G., Paton, C., Smith, S., Walker, A.
A 1 x 4 spatial switch network, based on bistable nonlinear interference filters and optically controlled route selection, has been demonstrated. Development of similar devices operating with near-ir...
DEVICE CHARACTERISATION OF A HIGH DENSITY HALF-MICRON CMOS PROCESS (1988)
Woerlee, P., Juffermans, C., Lifka, H., Walker, A., Poorter, T., Merks-Eppingbroek, H., ...
The device characterisation and the ringoscillator performance of a high density half-micron CMOS process were studied. A novel recessed field isolation technology, twin retrograde wells, N+...
Chua, P., Ji, W., Kar, A., Walker, A.
A photo-Hall technique has been used to make a direct measurement of the nonlinear refractive index cross-section in room-temperature InSb at 10.6 µm wavelength. The value deduced is σ = - (2.3...
MODAL BISTABILITY IN A GaAlAs LEAKY WAVEGUIDE (1988)
Valera, J., Aitchison, J., Goodwill, D., Walker, A., Henning, I., Ritchie, S.
We report the observation of power dependent mode changes leading to a nonlinear transmission response and optical bistability in a GaAlAs leaky slab waveguide. The dominant mechanism appears to be...
MONOCHROMATIC X-RAY AND XUV IMAGING WITH MULTILAYER OPTICS (1988)
Walker, A., Lindblom, J., Hoover, R., Barbee, T.
The development of techniques for the fabrication of multilayer coated mirrors which can function as energy selective X-ray and XUV mirrors at normal incidence has greatly expanded the options...
PIXELLATION OF OPTO-THERMAL BISTABLE DEVICES FOR SWITCH POWER AND CROSSTALK REDUCTION (1988)
Kar, A., Harris, R., Buller, G., Smith, S., Walker, A.
We report the reduction of switch power in an optically bistable nonlinear interference filter (NLIF) by pixellation. Pixellation was achieved by machining grooves on NLIF using an excimer laser. We...
Tumour response and dissemination following hyperthermia. (1982)
Thesis (Ph. D.)--University of Glasgow, 1982.
A model for the design of project management structures for building clients. (1980)
Thesis (Ph. D.).
Locally balanced binary trees (1976)
The implementation of locally balanced binary search tree construction is described. Empirical investigation reveals that locally balanced trees are either superior or inferior to other more recent...
Effects of Concentration and Time of Exposure on the Phytotoxicity of Linuron (1974)
WALKER, A., SCHMIDT, KRYSTYNA T.
When seedlings of lettuce and turnip were grown in nutrient solutions containing different concentrations of linuron, the concentration in the shoot at the time when toxicity symptoms appeared was...
WALKER, A., FEATHERSTONE, R. M.
The absorption and translocation of atrazine and linuron by carrot, parsnip, lettuce, and turnip seedlings in culture solutions were measured. There were marked differences among species in the...
Using a Kastle‐Meyer (KM) technique, the following equipment from the emergency departments of six UK hospitals (four trusts) and three regional ambulance services was tested for blood...
A reconstruction of the Vienna skull of Hadropithecus stenognathus
Ryan, T. M., Burney, D. A., Godfrey, L. R., Göhlich, U. B., Jungers, W. L., Vasey, N., ...
Franz Sikora found the first specimen and type of the recently extinct Hadropithecus stenognathus in Madagascar in 1899 and sent it to Ludwig Lorenz von Liburnau of the Austrian Imperial Academy of...
Economic evaluation of the impact of nicorandil in angina (IONA) trial
Walker, A, McMurray, J, Stewart, S, Berger, W, McMahon, A D, Dargie, H, ...
Evaluation of focussed assessment with sonography in trauma (FAST) by UK emergency physicians
Brenchley, J, Walker, A, Sloan, J P, Hassan, T B, Venables, H