Dispersion of a single $4f$ impurity state in photoemission spectra of Yb/W(110) (2008)
Dedkov, Yu. S., Vyalikh, D. V., Holder, M., Weser, M., Molodtsov, S. L., Laubschat, C., ...
Angle-resolved photoemission spectra of a monolayer of Yb on W(110) reveal energy splittings and dispersion of the Yb 4f states that are obviously due to their hybridization with W-derived valence...
Photoemission Insight into Heavy-Fermion Behavior in YbRh2Si2 (2008)
Vyalikh, D. V., Danzenbächer, S., Yaresko, A. N., Holder, M., Kucherenko, Y., Laubschat, C., ...
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+- ->...
Batley, J R, 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...
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2007)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2007)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays (2007)
Lai, A., Marras, D., Batley, J R., Bevan, A., Dosanjh, R S., Gershon, T J., ...
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 R, 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 R, 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, 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.
Bevan, A., S. Dosanjh, R., J. Gershon, T., Hay, B., E. Kalmus, G., Lazzeroni, C., ...
We present a measurement of the ratio of the decay rates Gamma(KL -> pi+ pi-)/Gamma(KL -> pi e nu), denoted as Gamma(K2pi)/Gamma(Ke3). The analysis is based on data taken during a dedicated run in...
Measurement of $K^{0}_{\mu3}$ form factors (2007)
Bevan, A., Dosanjh, R. S., Gershon, T. J., Hay, B., Kalmus, G. E., Lazzeroni, C., ...
This paper reports on a new high precision measurement of the form factors of the K_{L}\to \pi^{\pm} \mu^{\mp} \nu_{\mu} decay. The data sample of about 2.3$\times 10^{6}$ events was recorded in 1999...
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 $Re(\epsilon^{\prime}/\epsilon)$, and for the NA48/1 experiment on rare K_S and neutral hyperon decays, are...
Measurement of $K^{0}_{\mu3}$ form factors (2007)
Bevan, A, Anzivino, G, Arcidiacono, R, Barr, G, Becker, H G, Bernhard, R, ...
This paper reports on a new high precision measurement of the form factors of the K_{L}\to \pi^{\pm} \mu^{\mp} \nu_{\mu} decay. The data sample of about 2.3$\times 10^{6}$ events was recorded in 1999...
Batley, J R, 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...
Measurement of the Dalitz plot slopes of the $K^\pm\to\pi^\pm\pi^+\pi^-$ decay (2007)
Batley, J R, 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, G, 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...
Batley, J R, Anzivino, G, Arcidiacono, R, Baldini, W, Behler, M, Biino, C, ...
From 56 days of data taking in 2002, the NA48/1 experiment observed 6316 Xi0 --> Sigma+ e- nubar candidates (with the subsequent Sigma+ --> p pi0 decay) and 555 anti-Xi0 --> anti-Sigma+ e+ nu...
Lai, A, Anzivino, G, Arcidiacono, R, Barr, G, Becker, H G, Bertanza, L, ...
We present a measurement of the ratio of the decay rates Gamma(KL -> pi+ pi-)/Gamma(KL -> pi e nu), denoted as Gamma(K2pi)/Gamma(Ke3). The analysis is based on data taken during a dedicated run in...
Lai, A, Anzivino, G, 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...
Direct search for light gluinos (2006)
Fanti, V., Lai, A., Musa, L., Marras, D., Nappi, A., Hay, B., ...
We present the results for a direct search for light gluinos through the appearance of $\eta\rightarrow 3\pin$ with high transverse momentum in the vacuum tank of the NA48 experiment at CERN. We find...
Direct search for light gluinos (2006)
Fanti, V., Lai, A., Musa, L., Marras, D., Nappi, A., Hay, B., ...
We present the results for a direct search for light gluinos through the appearance of $\eta\rightarrow 3\pin$ with high transverse momentum in the vacuum tank of the NA48 experiment at CERN. We find...
Direct search for light gluinos (2006)
Fanti, V., Lai, A., Musa, L., Marras, D., Nappi, A., Hay, B., ...
We present the results for a direct search for light gluinos through the appearance of $\eta\rightarrow 3\pin$ with high transverse momentum in the vacuum tank of the NA48 experiment at CERN. We find...
Batley, J Richard, Anzivino, G, 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 $\Sigma^{+} \rightarrow p \pi^{0}$...
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...
Batley, J Richard, Anzivino, G, 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...
ATLAS Pixel Opto-Electronics (2005)
Arms, K E, Buchholz, P, Gan, K K, Holder, M, Jackson, P, Johnson, M, ...
We have developed two radiation-hard ASICs for optical data transmission in the ATLAS pixel detector at the LHC at CERN: a driver chip for a Vertical Cavity Surface Emitting Laser (VCSEL) diode for...
Search for CP violation in $K^0 \to 3 \pi^0$ decays (2005)
Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., Lazzeroni, C., Munday, D.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...
Search for CP violation in $K^0 \to 3 \pi^0$ decays (2005)
Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., Lazzeroni, C., Munday, D.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...
Search for CP violation in $K^0 \to 3 \pi^0$ decays (2005)
Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., Lazzeroni, C., Munday, D.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...
A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2005)
Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...
Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...
The ATLAS silicon pixel sensors (2005)
Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...
Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...
The ATLAS silicon pixel sensors (2005)
Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...
Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...
A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2005)
Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...
Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...
The ATLAS silicon pixel sensors (2005)
Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...
Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...
A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2005)
Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...
Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...
ATLAS Pixel Opto-Electronics (2005)
Arms, K. E., Buchholz, P., Gan, K. K., Holder, M., Jackson, P., Johnson, M., ...
We have developed two radiation-hard ASICs for optical data transmission in the ATLAS pixel detector at the LHC at CERN: a driver chip for a Vertical Cavity Surface Emitting Laser (VCSEL) diode for...
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...
First observation of the $K_S \to \pi^0 \gamma \gamma$ decay (2005)
Lai, A., Marras, D., Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., ...
Using the NA48 detector at the CERN SPS, 31 KS->pi0 gamma gamma candidates with an estimated background of 13.7 +- 3.2 events have been observed. This first observation leads to a branching ratio of...
First observation of the $K_S \to \pi^0 \gamma \gamma$ decay (2005)
Lai, A., Marras, D., Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., ...
Using the NA48 detector at the CERN SPS, 31 KS->pi0 gamma gamma candidates with an estimated background of 13.7 +- 3.2 events have been observed. This first observation leads to a branching ratio of...
First observation of the $K_S \to \pi^0 \gamma \gamma$ decay (2005)
Lai, A., Marras, D., Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., ...
Using the NA48 detector at the CERN SPS, 31 KS->pi0 gamma gamma candidates with an estimated background of 13.7 +- 3.2 events have been observed. This first observation leads to a branching ratio of...
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...
Measurement of the Radiative Ke3 Branching Ratio (2005)
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 KL -> pi e nu gamma (Ke3gamma) with respect to KL-> pi e nu (gamma) (Ke3+Ke3gamma) decay. The result is based on observation of...
Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., Lazzeroni, C., Munday, D.J., ...
The $K_L\to\pi^{\pm}\pi^0e^{\mp}\nu_e(\bar\nu_e)$ decay was investigated with the NA48 detector at CERN SPS using a beam of long-lived neutral kaons. The branching ratio...
Search for CP violation in $K^0 \to 3 \pi^0$ decays (2005)
Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., Lazzeroni, C., Munday, D.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...
Measurement of the Radiative Ke3 Branching Ratio (2005)
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 KL -> pi e nu gamma (Ke3gamma) with respect to KL-> pi e nu (gamma) (Ke3+Ke3gamma) decay. The result is based on observation of...
Search for CP violation in $K^0 \to 3 \pi^0$ decays (2005)
Batley, J.R., Dosanjh, R.S., Gershon, T.J., Kalmus, G.E., Lazzeroni, C., Munday, D.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...
Measurement of the Radiative Ke3 Branching Ratio (2005)
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 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 Ke3 Branching Ratio (2004)
Anzivino, G, 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...