The CMS barrel calorimeter response to particle beams from 2 to 350 GeV/c (2009)
Abdullin, S., Abramov, V., Acharya, B., Adam, N., Adams, M., Adzic, P., ...
The CMS barrel calorimeter response to particle beams from 2 to 350 GeV/c (2009)
Abdullin, S., Abramov, V., Acharya, B., Adam, N., Adams, M., Adzic, P., ...
The response of the CMS barrel calorimeter (electromagnetic plus hadronic) to hadrons, electrons and muons over a wide momentum range from 2 to 350 GeV/c has been measured. To our knowledge, this is...
Intercalibration of the barrel electromagnetic calorimeter of the CMS experiment at start-up (2008)
Adzic, P., Alemany-Fernandez, R., Almeida, N., Anagnostou, G., Andelin, D., Anfreville, M., ...
Calibration of the relative response of the individual channels of the barrel electromagnetic calorimeter of the CMS detector was accomplished, before installation, with cosmic ray muons and test...
The Auger Fluorescence Detector Prototype Telescope (2007)
H. Bluemer, V. Bocci, J. Castro E, R. Cester, A. Cordero, P. Facal, ...
The Pierre Auger Cosmic Ray Observatory will study cosmic rays above 10 EeV using both atmospheric fluorescence measurements and ground level particle detectors. A demonstration hybrid observatory...
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, 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...
Bagnasco, S., Baldini, W., Bettoni, D., Borreani, G., Buzzo, A., ...
We present new precision measurements of the psi(2S) total and partial widths from excitation curves obtained in antiproton-proton annihilations by Fermilab experiment E835 at the Antiproton...
Energy Resolution of the Barrel of the CMS Electromagnetic Calorimeter (2007)
Adzic, P, Alemany-Fernandez, R, Almeida, C B, Almeida, N M, Anagnostou, G, Anfreville, M G, ...
The energy resolution of the barrel part of the CMS Electromagnetic Calorimeter has been studied using electrons of 20 to 250 GeV in a test beam. The incident electron's energy was reconstructed by...
CMS physics technical design report, volume II: Physics performance (2007)
Bayatian, G. L., Chatrchyan, S., Hmayakyan, G., Sirunyan, A. M., Adam, W., Bergauer, T., ...
CMS is a general purpose experiment, designed to study the physics of pp collisions at 14 TeV at the Large Hadron Collider ( LHC). It currently involves more than 2000 physicists from more than 150...
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.
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...
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 $\Sigma^{+} \rightarrow p \pi^{0}$...
Results of the First Performance Tests of the CMS Electromagnetic Calorimeter (2005)
Adzic, P, Alemany-Fernandez, R, Almeida, C B, Almeida, N M, Anagnostou, G, Anfreville, M G, ...
Performance tests of some aspects of the CMS ECAL were carried out on modules of the "barrel" sub-system in 2002 and 2003. A brief test with high energy electron beams was made in late 2003 to...
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...
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...
Andreotti, M., Bagnasco, S., Baldini, W., Bettoni, D., Borreani, G., Buzzo, A., ...
We have measured several branching ratios for $\psi^\prime$ decay using the data collected by FNAL E835 experiment during year 2000, obtaining ${\cal B}(\psi^\prime \to e^+ e^-) =...
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 (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...
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, ...
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...
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, ...
Search for the decay K-S -> pi(0) gamma gamma (2003)
Lai, A, Marras, D, Batley, R, Bevan, A, Dosanjh, RS, Gershon, TJ, ...
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., ...
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., ...
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...
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...
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...
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, ...
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)...
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, ...
A new measurement of direct CP violation in two pion decays of the neutral kaon (1999)
Fanti, V, Lai, A, Marras, D, Musa, L, Bevan, A V, Gershon, T J, ...
The NA48 experiment at CERN has performed a new measurement of direct CP violation, based on data taken in 1997 by simultaneously collecting $kl$ and $ks$ decays into $pipin$ and $pipic$. The result...
Direct observation and partial-width measurement of gamma.gamma decay of charmonium states (1990)
Baglin, C, Baird, S A, Bassompierre, Gabriel, Borreani, G, Brient, J C, Broll, C, ...
Formation of charmonium states in $\overline{p}$p annihilations (1990)
Baglin, C, Baird, S A, Bassompierre, Gabriel, Borreani, G, Brient, J C, Broll, C, ...
$J\psi$ resonant formation and mass measurement in antiproton-proton annihilations (1990)
Baglin, C, Bassompierre, Gabriel, Brient, J C, Broll, C, Bussière, A, Guillaud, J P, ...