C. Alexa

Publication List Details

Period

1996 - 2009

Number

407

Co-Authors

A Search for Excited Neutrinos in e-p Collisions at HERA H1 Collaboration (2009)

F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, A. Asmone, ...

Abstract A search for excited neutrinos is performed using the full e-p data sample collected bythe H1 experiment at HERA at a centre-of-mass energy of 319 GeV, corresponding to a to-tal luminosity...

Submitted to Physics Letters B (2009)

F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, A. Asmone, ...

Abstract The first measurement of diffractive scattering of quasi-real photons with large mo-mentum transfer flp! flY, where Y is the proton dissociative system, is made usingthe H1 detector at HERA....

Multi-Lepton Production at High Transverse Momenta in epCollisions at HERA (2009)

H Collaboration, F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, ...

Abstract Processes leading to a final state with at least two high transverse momentum leptons(electrons or muons) are studied using the full e+-p data sample collected by the H1 exper-iment at HERA....

Submitted to Phys. Lett. B (2009)

H Collaboration, F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, ...

Abstract A search for excited electrons is performed using the full e+-p data sample collectedby the H1 experiment at HERA, corresponding to a total luminosity of 475 pb-1. Theelectroweak decays of...

A General Search for New Phenomena at HERA H1 Collaboration (2009)

F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, A. Asmone, ...

Abstract A model-independent search for deviations from the Standard Model prediction is per-formed using the full e+-p data sample collected by the H1 experiment at HERA. All eventtopologies...

Strangeness Production at low Q2in Deep-Inelastic ep Scattering at HERA (2009)

H Collaboration, F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, ...

Abstract The production of neutral strange hadrons is investigated using deep-inelastic scatteringevents measured with the H1 detector at HERA. The measurements are made in the phase space defined by...

H1 Collaboration (2009)

F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, ...

Abstract A first measurement is reported of the longitudinal proton structure function FL(x, Q2) atthe ep collider HERA. It is based on inclusive deep inelastic e+p scattering cross...

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

Search for Baryonic Resonances Decaying to \Xi ssin Deep-Inelastic Scattering at HERA (2008)

H Collaboration, A. Aktas, C. Alexa, V. Andreev, T. Anthonis, B. Antunovic, ...

Abstract A search for narrow baryonic resonances decaying into \Xi-ss- or \Xi-ss+ and their antipar-ticles is carried out with the H1 detector using deep inelastic scattering events at HERA in the...

H1 Collaboration (2008)

F. D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, ...

Abstract Three- and four-jet production is measured in deep-inelastic ep scattering at low x and Q2with the H1 detector using an integrated luminosity of 44.2 pb-1. Several phase spaceregions are...

Charged Particle Production in High Q2 Deep-InelasticScattering at HERA H1 Collaboration (2008)

F. D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, ...

Abstract The average charged track multiplicity and the normalised distribution of the scaledmomentum, xp, of charged final state hadrons are measured in deep-inelastic ep scatteringat high Q2 in the...

Search for Lepton Flavour Violationin ep Collisions at HERA (2008)

H Collaboration, A. Aktas, C. Alexa, V. Andreev, T. Anthonis, B. Antunovic, ...

ep collisions with a coupling strengthof * = 0.3 and decaying with the same coupling strength to a muon-quark pair or a tau-quark pair are excluded at 95 % confidence level up to masses of

Measurement of Isolated Photon Production inDeep-Inelastic Scattering at HERA (2008)

H Collaboration, F. D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, ...

Abstract The production of isolated photons in deep-inelastic scattering ep! eflX is measuredwith the H1 detector at HERA. The measurement is performed in the kinematic range of negative...

Search for lepton flavour violation in ep collisions at HERA. (2007)

Aktas, A., Alexa, C., Henderson, Rob C. W., Sloan, T.

A search for the lepton flavour violating processes ep→μX and ep→τX is performed with the H1 experiment at HERA. Final states with a muon or tau and a hadronic jet are searched for in a data...

Search for baryonic resonances decaying to Xi pi in deep-inelastic scattering at HERA. (2007)

Aktas, A., Alexa, C., Henderson, Rob C. W., Sloan, T.

A search for narrow baryonic resonances decaying into Ξ-π- or Ξ-π+ and their antiparticles is carried out with the H1 detector using deep inelastic scattering events at HERA in the range of...

Dijet cross sections and parton densities in diffractive DIS at HERA. (2007)

Aktas, A., Alexa, C., Henderson, Rob C. W., Sloan, T.

Differential dijet cross sections in diffractive deep-inelastic scattering are measured with the H1 detector at HERA using an integrated luminosity of 51.5 pb−1. The selected events are of the type...

Search for Lepton Flavour Violation in ep Collisions at HERA (2007)

Aktas, A., Alexa, C., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., ...

A search for the lepton flavour violating processes ep->mu X and ep -> tau X is performed with the H1 experiment at HERA. Final states with a muon or tau and a hadronic jet are searched for in a data...

$\psi'$ production in Pb-Pb collisions at 158 GeV/nucleon (2007)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., Boldea, V., ...

psi' production is studied in Pb-Pb collisions at 158 GeV/c per nucleon incident momentum. Absolute cross-sections are measured and production rates are investigated as a function of the centrality...

$J/\psi$ and $\psi'$ production and their normal nuclear absorption in proton-nucleus collisions at 400 GeV (2006)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., Boldea, V., ...

We report a new measurement of J/psi, psi' and Drell-Yan cross-sections, in the kinematical domain $-0.425

psi' production in Pb-Pb collisions at 158 GeV/nucleon (2006)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

psi' production is studied in Pb-Pb collisions at 158 GeV/c per nucleon incident momentum. Absolute cross-sections are measured and production rates are investigated as a function of the centrality...

$J/\psi$ and $\psi'$ production and their normal nuclear absorption in proton-nucleus collisions at 400 GeV (2006)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

We report a new measurement of J/psi, psi' and Drell-Yan cross-sections, in the kinematical domain $-0.425

$\psi^'$ production in Pb-Pb collisions at 158 GeV/nucleon (2006)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

\psi^' production is studied in Pb-Pb collisions at 158 GeV/c per nucleon incident momentum. Absolute cross-sections are measured and production rates are investigated as a function of the centrality...

$J/\psi$ and $\psi'$ production and their normal nuclear absorption inproton-nucleus collisions at 400 GeV (2006)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

We report a new measurement of J$/\psi$, $\psi'$ and Drell-Yan cross-sections, in the kinematical domain -0.425 < $Y$cm < 0.575 and -0.5 < cos$\theta$_{CS} < 0.5, performed at the CERN-SPS using 400...

Bottomonium and Drell-Yan production in p-A collisions at 450 GeV (2006)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., Boldea, V., ...

The NA50 Collaboration has measured heavy-quarkonium production in p-A collisions at 450 GeV incident energy (sqrt(s) = 29.1 GeV). We report here results on the production of the Upsilon states and...

Bottomonium and Drell-Yan production in p-A collisions at 450 GeV (2006)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

The NA50 Collaboration has measured heavy-quarkonium production in p-A collisions at 450 GeV incident energy (sqrt(s) = 29.1 GeV). We report here results on the production of the Upsilon states and...

Bottomonium and Drell-Yan production in p-A collisions at 450 GeV (2006)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

The NA50 Collaboration has measured heavy-quarkonium production in p-A collisions at 450 GeV incident energy (sqrt(s) = 29.1 GeV). We report here results on the production of the Upsilon states and...

Bottomonium and Drell-Yan production in p-A collisions at 450 GeV (2006)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., Boldea, V., ...

The NA50 Collaboration has measured heavy-quarkonium production in p-A collisions at 450 GeV incident energy (sqrt(s) = 29.1 GeV). We report here results on the production of the Upsilon states and...

Bottomonium and Drell-Yan production in p-A collisions at 450 GeV (2006)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., Boldea, V., ...

The NA50 Collaboration has measured heavy-quarkonium production in p-A collisions at 450 GeV incident energy (sqrt(s) = 29.1 GeV). We report here results on the production of the Upsilon states and...

NA50 final results on charmonia suppression (2006)

Quintans, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

The last results from the NA50 experiment on charmonia production in Pb-Pb interactions at 158 GeV/c per nucleon are presented. A strong J/$\psi$ suppression is observed, which increases with the...

DUODENAL ADENOCARCINOMA ASSOCIATED WITH HEMORRHAGIC PROCTITIS. A CASE REPORT (2006)

D. Munteanu, D. Leuca, C. Alexa, Al. Munteanu

BACKROUND: to analyse the distinctive clinicopathological and surgical features of an interesting case of voluminous malignant duodenal tumor. METHODS: the case of a male patient a voluminous tumor,...

NA50 final results on charmonia suppression (2006)

Quintans, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

The last results from the NA50 experiment on charmonia production in Pb-Pb interactions at 158 GeV/c per nucleon are presented. A strong J/$\psi$ suppression is observed, which increases with the...

NA50 final results on charmonia suppression (2006)

Quintans, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

The last results from the NA50 experiment on charmonia production in Pb-Pb interactions at 158 GeV/c per nucleon are presented. A strong J/$\psi$ suppression is observed, which increases with the...

Charmonia Production at the CERN/SPS (2005)

Borges, G., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We present the final results of experiment NA50 on charmonia production in Pb-Pb interactions at 158 A GeV. A strong increasing suppression is observed with increasing centrality, for both the jpsi...

A new measurement of J/$\psi$ suppression in Pb-Pb collisions at 158 GeV per nucleon (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present a new measurement of $J/\psi$ production in Pb-Pb collisions at 158 GeV/nucleon, from the data sample collected in year 2000 by the NA50 Collaboration, under improved experimental...

Charmonia Production at the CERN/SPS (2005)

Borges, G, Borgesforthe, G, Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, ...

We present the final results of experiment NA50 on charmonia production in Pb-Pb interactions at 158 A GeV. A strong increasing suppression is observed with increasing centrality, for both the jpsi...

Charmonia Production at the CERN/SPS (2005)

Borges, G, Borgesforthe, G, Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, ...

We present the final results of experiment NA50 on charmonia production in Pb-Pb interactions at 158 A GeV. A strong increasing suppression is observed with increasing centrality, for both the jpsi...

Charmonia Production at the CERN/SPS (2005)

Borges, G., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We present the final results of experiment NA50 on charmonia production in Pb-Pb interactions at 158 A GeV. A strong increasing suppression is observed with increasing centrality, for both the jpsi...

NA50 final results on charmonia suppression (2005)

Quintans, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

The last results from the NA50 experiment on charmonia production in Pb-Pb interactions at 158 GeV/c per nucleon are presented. A strong J/$\psi$ suppression is observed, which increases with the...

The J/$\psi$ normal nuclear absorption (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present a new determination of the ratio of cross-sections (J/$\psi$)/DY as expected for nucleus-nucleus reactions if J/$\psi$ would only be normally absorbed by nuclear matter. This anticipated...

J/$\psi$ production and suppression at SPS energies (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present the set of measurements carried out by the NA50 experiment to study J$\psi$ production in proton- and ion-induced reactions. We also make use of results obtained previously under similar...

Charged particle multiplicity in Pb-Pb collisions from the NA50 experiment (2005)

Prino, F., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Angular distributions of charged particles produced in Pb-Pb collisions at the CERN SPS have been measured by the NA50 experiment. Measurements have been performed with a silicon microstrip detector...

Transverse momentum dependence of charmonium suppression in Pb-Pb collisions at the CERN SPS (2005)

Kurepin, A.B., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

Charmonium suppression in Pb-Pb collisions at 158 GeV/c per nucleon is investigated in detail with the study of the transverse momentum distributions of J/ψ as a function of the centrality of...

A new measurement of J/$\psi$ suppression in Pb-Pb collisions at 158 GeV per nucleon (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present a new measurement of $J/\psi$ production in Pb-Pb collisions at 158 GeV/nucleon, from the data sample collected in year 2000 by the NA50 Collaboration, under improved experimental...

Charmonia Production at the CERN/SPS (2005)

Borges, G., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We present the final results of experiment NA50 on charmonia production in Pb-Pb interactions at 158 A GeV. A strong increasing suppression is observed with increasing centrality, for both the jpsi...

NA50 final results on charmonia suppression (2005)

Quintans, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

The last results from the NA50 experiment on charmonia production in Pb-Pb interactions at 158 GeV/c per nucleon are presented. A strong J/$\psi$ suppression is observed, which increases with the...

The J/$\psi$ normal nuclear absorption (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present a new determination of the ratio of cross-sections (J/$\psi$)/DY as expected for nucleus-nucleus reactions if J/$\psi$ would only be normally absorbed by nuclear matter. This anticipated...

J/$\psi$ production and suppression at SPS energies (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present the set of measurements carried out by the NA50 experiment to study J$\psi$ production in proton- and ion-induced reactions. We also make use of results obtained previously under similar...

Charged particle multiplicity in Pb-Pb collisions from the NA50 experiment (2005)

Prino, F., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Angular distributions of charged particles produced in Pb-Pb collisions at the CERN SPS have been measured by the NA50 experiment. Measurements have been performed with a silicon microstrip detector...

Transverse momentum dependence of charmonium suppression in Pb-Pb collisions at the CERN SPS (2005)

Kurepin, A.B., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., ...

Charmonium suppression in Pb-Pb collisions at 158 GeV/c per nucleon is investigated in detail with the study of the transverse momentum distributions of J/ψ as a function of the centrality of...

A new measurement of J/$\psi$ suppression in Pb-Pb collisions at 158 GeV per nucleon (2005)

Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beolè, S., Boldea, V., ...

We present a new measurement of $J/\psi$ production in Pb-Pb collisions at 158 GeV/nucleon, from the data sample collected in year 2000 by the NA50 Collaboration, under improved experimental...

A new measurement of $J/\psi$ suppression in Pb-Pb collisions at 158 GeV per nucleon (2004)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, Boldea, V, ...

We present a new measurement of J/psi production in Pb-Pb collisions at 158 GeV/nucleon, from the data sample collected in year 2000 by the NA50 Collaboration, under improved experimental conditions...

Results on $\psi'$ production in nucleus-nucleus collisions at CERN-SPS (2004)

Sitta, M, Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Beolè, S, ...

We report results on $\psi'$ production as a function of centrality as measured by experiment NA50, at the CERN/SPS, in Pb-Pb collisions at an incident energy of 158 GeV per nucleon.

J/$\psi$ and $\psi'$ nuclear absorption in p–A and S–U collisions at the CERN/SPS (2004)

Borges, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We present preliminary NA50 results on J/$\psi$ and $\psi'$ production by 400 GeV/c incident protons on various targets. Production cross sections are determined for each p-target system. Their...

The production of $\phi$, $\omega$ and $\rho$ mesons in p-, d-, S-. and Pb-induced reactions at the CERN SPS (2004)

Jouan, D., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

From proton, deuteron, S- and Pb-induced reactions, experiments NA38 and NA50 have measured muon pair production with various targets. In particular, the production rates of the $\phi, \omega$ and...

$\psi'$ production in nucleus–nucleus collisions at CERN SPS (2004)

Santos, H., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We report results on $\psi'$ production in Pb–Pb interactions at 158 GeV/c per nucleon incident momentum, from data collected by the NA50 experiment at CERN SPS. A comparison of proton- and...

J/$\psi$ and $\psi'$ nuclear absorption in p–A and S–U collisions at the CERN/SPS (2004)

Borges, C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We present preliminary NA50 results on J/$\psi$ and $\psi'$ production by 400 GeV/c incident protons on various targets. Production cross sections are determined for each p-target system. Their...

The production of $\phi$, $\omega$ and $\rho$ mesons in p-, d-, S-. and Pb-induced reactions at the CERN SPS (2004)

Jouan, D., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

From proton, deuteron, S- and Pb-induced reactions, experiments NA38 and NA50 have measured muon pair production with various targets. In particular, the production rates of the $\phi, \omega$ and...

$\psi'$ production in nucleus–nucleus collisions at CERN SPS (2004)

Santos, H., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Beole, S., ...

We report results on $\psi'$ production in Pb–Pb interactions at 158 GeV/c per nucleon incident momentum, from data collected by the NA50 experiment at CERN SPS. A comparison of proton- and...

Charmonium production and nuclear absorption in p-A interactions at 450 GeV (2003)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Baglin, C, Baldit, A, ...

The production of J/psi and psi' charmonium states in proton-nucleus interactions has been investigated by the NA50 experiment, at the CERN SPS. High statistics data sets were collected with...

Performance of the ATLAS Electromagnetic Calorimeter End-cap Module 0 (2003)

Aubert, Bernard, Abouelouafa, M, Alexa, C, Astesan, F, Augé, E, Aulchenko, V M, ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Charmonia and Drell-Yan production in proton-nucleus collisions at the CERN SPS (2003)

Alessandro, B, Alexa, C, Arnaldi, R, Atayan, M, Baglin, C, Beolè, S, ...

Charmonium production in p-A collisions is a unique tool for the study of the interaction of bound ccbar in nuclear matter. It can provide details on the basic features of the resonance formation...

Performance of the ATLAS electromagnetic calorimeter barrel module 0 (2003)

Aubert, Bernard, Abouelouafa, M, Alexa, C, Astesan, F, Augé, E, Aulchenko, V M, ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Pseudorapidity distributions of charged particles as a function of centrality in Pb-Pb collisions at 158 and 40 GeV per nucleon incident energy (2002)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Ataian, M R, Baglin, C, ...

The charged particle distributions $dN_{ch}/d\eta$ have been measured by the NA50 experiment in Pb--Pb collisions at the CERN SPS. Measurements have been done at incident energies of 158 and 40 GeV...

Scaling of charged particle multiplicity in Pb-Pb collisions at SPS energies (2002)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Ataian, M R, Baglin, C, ...

The charged particle multiplicity distribution $dN_{ch}/d\eta$ has been measured by the NA50 experiment in Pb--Pb collisions at the CERN SPS. Measurements were done at incident energies of 40 and 158...

The dependence of the anomalous $J/\psi$ suppression on the number of participant nucleons (2001)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Ataian, M R, Baglin, C, ...

The observation of an anomalous \jpsi\ suppression in \mbox{Pb-Pb} collisions by the NA50 collaboration can be considered as the most striking indication for the deconfinement of quarks and gluons at...

The dependence of the anomalous $J/\psi$ suppression on the number of participant nucleons (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The observation of an anomalous \jpsi\ suppression in \mbox{Pb-Pb} collisions by the NA50 collaboration can be considered as the most striking indication for the deconfinement of quarks and gluons at...

Transverse momentum distributions of $J/\psi,\psi'$, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Muon pairs produced in Pb-Pb interactions at 158~GeV/$c$ per nucleon are used to study the transverse momentum distributions of the \jpsi, \psip\ and dimuons in the mass continuum. In particular, the...

The dependence of the anomalous $J/\psi$ suppression on the number of participant nucleons (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The observation of an anomalous \jpsi\ suppression in \mbox{Pb-Pb} collisions by the NA50 collaboration can be considered as the most striking indication for the deconfinement of quarks and gluons at...

Transverse momentum distributions of $J/\psi,\psi'$, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Muon pairs produced in Pb-Pb interactions at 158~GeV/$c$ per nucleon are used to study the transverse momentum distributions of the \jpsi, \psip\ and dimuons in the mass continuum. In particular, the...

The dependence of the anomalous $J/\psi$ suppression on the number of participant nucleons (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The observation of an anomalous \jpsi\ suppression in \mbox{Pb-Pb} collisions by the NA50 collaboration can be considered as the most striking indication for the deconfinement of quarks and gluons at...

Transverse momentum distributions of $J/\psi,\psi'$, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Muon pairs produced in Pb-Pb interactions at 158~GeV/$c$ per nucleon are used to study the transverse momentum distributions of the \jpsi, \psip\ and dimuons in the mass continuum. In particular, the...

The dependence of the anomalous $J/\psi$ suppression on the number of participant nucleons (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The observation of an anomalous \jpsi\ suppression in \mbox{Pb-Pb} collisions by the NA50 collaboration can be considered as the most striking indication for the deconfinement of quarks and gluons at...

Transverse momentum distributions of $J/\psi,\psi'$, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Muon pairs produced in Pb-Pb interactions at 158~GeV/$c$ per nucleon are used to study the transverse momentum distributions of the \jpsi, \psip\ and dimuons in the mass continuum. In particular, the...

The dependence of the anomalous $J/\psi$ suppression on the number of participant nucleons (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The observation of an anomalous \jpsi\ suppression in \mbox{Pb-Pb} collisions by the NA50 collaboration can be considered as the most striking indication for the deconfinement of quarks and gluons at...

Transverse momentum distributions of $J/\psi,\psi'$, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS (2001)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

Muon pairs produced in Pb-Pb interactions at 158~GeV/$c$ per nucleon are used to study the transverse momentum distributions of the \jpsi, \psip\ and dimuons in the mass continuum. In particular, the...

Transverse momentum distributions of $J/\psi, \psi'$, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS (2000)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Ataian, M R, Baglin, C, ...

Muon pairs produced in Pb-Pb interactions at 158~GeV/$c$ per nucleon are used to study the transverse momentum distributions of the \jpsi, \psip\ and dimuons in the mass continuum. In particular, the...

Dimuon and charm production in nucleus-nucleus collisions at the CERN-SPS (2000)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Astruc, J, Ataian, M R, ...

Muon pair production in \mbox{p-A}, \mbox{S-U} and \mbox{Pb-Pb}collisions has been studied by the NA38 and NA50 collaborations at theCERN SPS. In this paper we present an analysis of the dimuon...

Evidence for Deconfinement of Quarks and Gluons from the $J/\psi$ Suppression Pattern Measured in $Pb-Pb$ Collisions at the CERN SPS (2000)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Ataian, M R, Baglin, C, ...

The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of thepreviously observed \jpsi\ anomalous suppression. This...

Dimuon and charm production in nucleus-nucleus collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Muon pair production in \mbox{p-A}, \mbox{S-U} and \mbox{Pb-Pb}collisions has been studied by the NA38 and NA50 collaborations at theCERN SPS. In this paper we present an analysis of the dimuon...

Low mass dimuon production in proton and ion induced interactions at SPS (2000)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The `excess'...

Evidence for deconfinement of quarks and gluons from the $J/psi$ suppression pattern measured in Pb-Pb collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of thepreviously observed \jpsi\ anomalous suppression. This...

Dimuon and charm production in nucleus-nucleus collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Muon pair production in \mbox{p-A}, \mbox{S-U} and \mbox{Pb-Pb}collisions has been studied by the NA38 and NA50 collaborations at theCERN SPS. In this paper we present an analysis of the dimuon...

Low mass dimuon production in proton and ion induced interactions at SPS (2000)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The `excess'...

Evidence for deconfinement of quarks and gluons from the $J/psi$ suppression pattern measured in Pb-Pb collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of thepreviously observed \jpsi\ anomalous suppression. This...

Dimuon and charm production in nucleus-nucleus collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Muon pair production in \mbox{p-A}, \mbox{S-U} and \mbox{Pb-Pb}collisions has been studied by the NA38 and NA50 collaborations at theCERN SPS. In this paper we present an analysis of the dimuon...

Low mass dimuon production in proton and ion induced interactions at SPS (2000)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The `excess'...

Evidence for deconfinement of quarks and gluons from the $J/psi$ suppression pattern measured in Pb-Pb collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of thepreviously observed \jpsi\ anomalous suppression. This...

Dimuon and charm production in nucleus-nucleus collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Muon pair production in \mbox{p-A}, \mbox{S-U} and \mbox{Pb-Pb}collisions has been studied by the NA38 and NA50 collaborations at theCERN SPS. In this paper we present an analysis of the dimuon...

Evidence for deconfinement of quarks and gluons from the $J/psi$ suppression pattern measured in Pb-Pb collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of thepreviously observed \jpsi\ anomalous suppression. This...

Low mass dimuon production in proton and ion induced interactions at SPS (2000)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The `excess'...

Dimuon and charm production in nucleus-nucleus collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Muon pair production in \mbox{p-A}, \mbox{S-U} and \mbox{Pb-Pb}collisions has been studied by the NA38 and NA50 collaborations at theCERN SPS. In this paper we present an analysis of the dimuon...

Evidence for deconfinement of quarks and gluons from the $J/psi$ suppression pattern measured in Pb-Pb collisions at the CERN-SPS (2000)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Atayan, M., Baglin, C., ...

The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of thepreviously observed \jpsi\ anomalous suppression. This...

Low mass dimuon production in proton and ion induced interactions at SPS (2000)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The `excess'...

Low mass dimuon production in proton and ion induced interactions at SPS (1999)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Astruc, J, Ataian, M R, ...

The low mass dimuon spectra collected in p-U collisions by the NA38 experiment significantly exceeds the total cross section expected from previous analysis, done by other experiments. The `excess'...

Observation of a threshold effect in the anomalous $J/\psi$ suppression (1999)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Astruc, J, Ataian, M R, ...

We report on a search for a phase transition from ordinary nuclear matter to a state of deconfined quarks and gluons as predicted by lattice QCD calculations. A new measurement of charmonium...

Intermediate mass dimuons in NA38/NA50 (1999)

Abreu, M C, Alessandro, B, Alexa, C, Arnaldi, R, Astruc, J, Ataian, M R, ...

The NA38/NA50 experiments have measured, at the CERN SPS, the dimuon production in proton--nucleus and nucleus--nucleus collisions. In this paper it is shown that the mass continuum between the...

Intermediate mass dimuons in NA38/NA50 (1999)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Abstract: The NA38/NA50 experiments have measured, at the CERN SPS, the dimuon production in proton--nucleus and nucleus--nucleus collisions. In this paper it is shown that the mass continuum between...

Intermediate mass dimuons in NA38/NA50 (1999)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Abstract: The NA38/NA50 experiments have measured, at the CERN SPS, the dimuon production in proton--nucleus and nucleus--nucleus collisions. In this paper it is shown that the mass continuum between...

Intermediate mass dimuons in NA38/NA50 (1999)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The NA38/NA50 experiments have measured, at the CERN SPS, the dimuon production in proton--nucleus and nucleus--nucleus collisions. In this paper it is shown that the mass continuum between the...

Intermediate mass dimuons in NA38/NA50 (1999)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The NA38/NA50 experiments have measured, at the CERN SPS, the dimuon production in proton--nucleus and nucleus--nucleus collisions. In this paper it is shown that the mass continuum between the...

Intermediate mass dimuons in NA38/NA50 (1999)

Abreu, M C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The NA38/NA50 experiments have measured, at the CERN SPS, the dimuon production in proton--nucleus and nucleus--nucleus collisions. In this paper it is shown that the mass continuum between the...

Symmetry group analysis of relativistic heat conducting fluids (1998)

Alexa, C.

The Lie symmetry group for 1+1 dimensional relativistic heat-conducting fluid is calculated for two different theories, Eckart and Israel-Stewart and a comparison between the group-invariant...

The search for the quark-gluon plasma study of production of charmed bound states in Pb-Pb collisions at 158 GeV/nucleon. (1998)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The NA50 Collaboration has studied the production of dimuons originating from J/psi, psi' and Drell-Yan virtual photons in Pb-Pb collisions at 158 GeV/nucleon. The J/psi production differs from what...

Directed and elliptic flow in ultrarelativistic heavy ion collisions. (1998)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Results on elliptic flow in sulfur induced collisions at 200 GeV/c per nucleon in NA38 and in Pb-Pb collisions at 158 GeV/c per nucleon in NA50. Elliptic flow is seen in Pb-Pb collisions but not in...

The search for the quark-gluon plasma study of production of charmed bound states in Pb-Pb collisions at 158 GeV/nucleon. (1998)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

The NA50 Collaboration has studied the production of dimuons originating from J/psi, psi' and Drell-Yan virtual photons in Pb-Pb collisions at 158 GeV/nucleon. The J/psi production differs from what...

Directed and elliptic flow in ultrarelativistic heavy ion collisions. (1998)

Abreu, M.C., Alessandro, B., Alexa, C., Arnaldi, R., Astruc, J., Atayan, M., ...

Results on elliptic flow in sulfur induced collisions at 200 GeV/c per nucleon in NA38 and in Pb-Pb collisions at 158 GeV/c per nucleon in NA50. Elliptic flow is seen in Pb-Pb collisions but not in...

Symmetry analysis of the 1+1 dimensional relativistic imperfect fluid dynamics (1997)

Alexa, C, Vrinceanu, D

The flow of the relativistic imperfect fluid in two dimensions is discussed. We calculate the symmetry group of the energy-momentum tensor conservation equation in the ultrarelativistic limit....

Symmetry analysis of the 1+1 dimensional relativistic imperfect fluid dynamics (1997)

Alexa, C, Vrinceanu, D

The flow of the relativistic imperfect fluid in two dimensions is discussed. We calculate the symmetry group of the energy-momentum tensor conservation equation in the ultrarelativistic limit....

On the symmetries of the 1+1 dimensional relativistic fluid dynamics (1996)

Alexa, C, Vrinceanu, D

A very intuitive description of nucleus-nucleus collision phenomena is provided by the relativistic fluid dynamics. We consider a 1+1 dimensional relativistic imperfect fluid flow to approximate the...

Submitted to the Journal of High Energy Physics

A. Aktas, C. Alexa, V. Andreev, T. Anthonis, B. Antunovic, S. Aplin, ...

Abstract Differential dijet cross sections in diffractive deep-inelastic scattering are measured withthe H1 detector at HERA using an integrated luminosity of 51.5 pb \Gamma 1. The selected events...

t-dependence at HERA

H Collaboration, F. D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, ...

Abstract A measurement of elastic deeply virtual Compton scattering fl\Lambda p! flp using e\Gamma p col-lision data recorded with the H1 detector at HERA is presented. The analysed data sample...

Inclusive Photoproduction of ae0, K*0 and OE Mesons at HERA H1 Collaboration

F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, A. Asmone, ...

Abstract Inclusive non-diffractive photoproduction of ae(770)0, K*(892)0 and OE(1020) mesons isinvestigated with the H1 detector in ep collisions at HERA. The corresponding average flpcentre-of-mass...