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...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1 of data collected...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1 of data collected...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1 of data collected...
Measurement of the $\Lambda_b^0$ lifetime using semileptonic decays (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We report a measurement of the Lambda_b lifetime using a sample corresponding to 1.3 fb$^{-1}$ of data collected by the D0 experiment in 2002--2006 during Run II of the Fermilab Tevatron collider....
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Aguilo, E., ...
We present a measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Aguilo, E., ...
We present a measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Aguilo, E., ...
We present a measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with...
Search for techniparticles in e +jets events at D0 (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We search for the technicolor process ppbar -> rho_T/omega_T ->W+pi_T in events containing one electron and two jets, in data corresponding to an integrated luminosity of 390 pb-1, recorded by the D0...
Evidence for production of single top quarks and first direct measurement of $|V_{tb}|$ (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate...
Evidence for production of single top quarks and first direct measurement of $|V_{tb}|$ (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate...
Evidence for production of single top quarks and first direct measurement of $|V_{tb}|$ (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a study of eegamma and mumugamma events using over 1 fb-1 of data collected with the D0 detector at the Fermilab Tevatron ppbar Collider at sqrt(s) = 1.96 TeV. Having observed 453 (515)...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the ttbar pair production cross section in ppbar collisions at sqrt(s) = 1.96 TeV utilizing approximately 425 pb-1 of data collected with the D0 detector. We consider...
Observation and properties of L=1 $B_1$ and B$_2^*$ mesons (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
Excited B mesons B_1 and B_2* are observed directly for the first time as two separate states in fully reconstructed decays to B+(*) pi-. The mass of B_1 is measured to be (5720.6 +- 2.4 +- 1.4)...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the top quark pair production cross section in ppbar collisions at sqrt(s)=1.96 TeV utilizing 425 pb-1 of data collected with the D0 detector at the Fermilab Tevatron...
Multivariate searches for single top quark production with the D0 detector (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a search for electroweak production of single top quarks in the s-channel (p-pbar -> t bbar + X) and t-channel (p-pbar -> tq bbar + X) modes. We have analyzed 230 pb^(-1) of data collected...
Measurement of the top quark mass in the lepton+jets channel using the ideogram method (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
A measurement of the top quark mass using events with one charged lepton, missing transverse energy, and jets in the final state, collected by the D0 detector from p-pbar collisions at sqrt{s} = 1.96...
Measurement of the charge asymmetry in semileptonic $B^0_s$ decays (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We have performed the first direct measurement of the time integrated flavor untagged charge asymmetry in semileptonic Bs decays, Asl(unt), by comparing the decay rate of Bs --> mu+ Ds- nu X, where...
Search for a Higgs boson produced in association with a Z boson in $p\bar{p}$ collisions (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We describe a search for the standard model Higgs boson with a mass of 105 GeV/c^2 to 145 GeV/c^2 in data corresponding to an integrated luminosity of approximately 450 pb^{-1} collected with the D0...
Search for third-generation leptoquarks in $p\bar p$ collisions at $\sqrt{s}$=1.96 TeV (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We report on a search for charge-1/3 third-generation leptoquarks (LQ) produced in ppbar collisions at sqrt(s)=1.96 TeV using the D0 detector at Fermilab. Third generation leptoquarks are assumed to...
Search for stopped gluinos from $p\bar p$ collisions at $\sqrt{s}$=1.96 TeV (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
Long-lived, colored, heavy particles are predicted in several models beyond the standard model of particle physics, one example being the gluino ($\tilde g$) in split supersymmetry. Some fraction of...
Measurement of the $\Lambda_b$ lifetime in the exclusive decay $\Lambda_b \to J/\psi \Lambda$ (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We have measured the Lambda_b lifetime using the exclusive decay Lambda_b to J/psi Lambda, based on 1.2 fb-1 of data collected with the D0 detector during 2002-2006. From 171 reconstructed Lambda_b...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
A search for leptoquarks has been performed in 310 pb-1 of data from ppbar collisions at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at the Fermilab Tevatron Collider. The...
Measurement of B(t$\to$Wb)/B(t$\to$Wq) at $\sqrt(s)$ = 1.96 TeV (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present the measurement of R = B(t->Wb)/B(t->Wq) in ppbar collisions at sqrt(s) = 1.96 TeV, using 230 pb-1 of data collected by the DO experiment at the Fermilab Tevatron Collider. We fit...
The upgraded D0 detector (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, D.L., Adams, M., ...
The D0 experiment enjoyed a very successful data-collection run at the Fermilab Tevatron collider between 1992 and 1996. Since then, the detector has been upgraded to take advantage of improvements...
Measurement of the W boson helicity in top quark decay at D0 (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the fraction f_+ of right-handed W bosons produced in top quark decays, based on a candidate sample of ttbar events in the l+jets and dilepton decay channels corresponding...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an...
Lifetime difference and CP-violating phase in the $B_s^0$ system (2007)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
From an analysis of the decay Bs -> J/psi phi we obtain the width difference between the light and heavy mass eigenstates, and the CP-violating phase.
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an...
Measurement of semileptonic branching fractions of B mesons to narrow D$^{**}$ states (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
Using the data accumulated in 2002-2004 with the DO detector in proton-antiproton collisions at the Fermilab Tevatron collider with centre-of-mass energy 1.96 TeV, the branching fractions of the...
Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...
This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...
Transverse Energy and Forward Jet Production in the Low $x$ Regime at HERA (2006)
Aid, S., Andreev, V., Andrieu, B., Arpagaus, M., Babaev, A., ...
The production of transverse energy in deep inelastic scattering is measured as a function of the kinematic variables $x$ and $Q^2$ using the H1 detector at the ep collider HERA. The results are...
Search for Randall-Sundrum gravitons in dilepton and diphoton final states (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We report the first direct search for the Kaluza-Klein (KK) modes of Randall-Sundrum gravitons using dielectron, dimuon, and diphoton events observed with the D0 detector operating at the Fermilab...
Measurement of the lifetime difference in the B$_s^0$ system (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a study of the decay B$_s^0 \to J/\psi \phi$ We obtain the CP-odd fraction in the final state at time zero, R$_\perp$ = 0.16 $\pm$ 0.10 (stat) $\pm$ 0.02 (syst), the average lifetime of...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the top quark pair $t\bar{t}$ production cross section in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV using 230 pb$^{-1}$ of data collected by the DO...
Search for large extra spatial dimensions in dimuon production with the D0 detector (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present the results of a search for the effects of large extra spatial dimensions in $p{\bar p}$ collisions at $\sqrt{s} =$ 1.96 TeV in events containing a pair of energetic muons. The data...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the top quark pair $(t\bar{t})$ production cross section in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV using 230 pb$^{-1}$ of data collected by the DO...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the top quark pair ($t\bar{t}$) production cross section ($\sigma_{t\bar{t}}$) in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV using 230 pb$^{-1}$ of data collected by the...
Search for single top quark production in ppbar collisions at $\sqrt{s}$=1.96 TeV (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a search for electroweak production of single top quarks in the s-channel and t-channel using neural networks for signal-background separation. We have analyzed 230 pb$^{-1}$ of data...
Search for right-handed W bosons in top quark decay (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present a measurement of the fraction f+ of right-handed W bosons produced in top quark decays, based on a candidate sample of $t\bar{t}$ events in the lepton+jets decay mode. These data...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a ppbar center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider....
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
The WWgamma triple gauge boson coupling parameters are studied using p-pbar -> l nu gamma + X (l = e,mu) events at sqrt(s) = 1.96 TeV. The data were collected with the DO detector from an integrated...
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We present results from a search for WZ production with subsequent decay to l nu l'-bar l' (l and l'=electron or muon) using 0.30 fb^(-1) of data collected by the DO experiment between 2002 and 2004...
Search for neutral supersymmetric Higgs bosons in multijet events at $\sqrt{s}$ = 1.96 TeV (2006)
Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., ...
We have performed a search for neutral Higgs bosons produced in association with bottom quarks in $p\bar{p}$ collisions, using 260 $pb^{-1}$ of data collected with the D0 detector in Run II of the...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
A precise measurement of 180 GeV muon energy losses in iron (2001)
Amaral, P., Amorim, A., Anderson, K., Artikov, A., Benetta, R., Berglund, S., ...
The energy loss spectrum of 180 GeV muons has been measured with the 5.6 m long finely segmented Module 0 of the ATLAS hadron tile calorimeter at the CERN SPS. The differential probability dP/d nu...
Inclusive parton cross sections in photoproduction and photon structure (2000)
Ahmed, T., Aid, S., Akhundov, A.A., Andreev, V., Andrieu, B., Appuhn, R D., ...
First measurement of the deep-inelastic structure of proton diffraction (2000)
Ahmed, T., Aid, S., Akhundov, A.A., Andreev, V., Andrieu, B., Appuhn, R D., ...
A measurement of the proton structure function $f_2(x. q^2)$ (2000)
Ahmed, T., Aid, S., Akhundov, A A., Andreev, V., Andrieu, B., Appuhn, R D., ...
A measurement of the proton structure function F_{\!2}(x,Q^2) is reported for momentum transfer squared Q^2 between 4.5 GeV^2 and 1600 GeV^2 and for Bjorken x between 1.8\cdot10^{-4} and 0.13 using...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...
The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...
Response of the ATLAS tile calorimeter prototype to muons (1997)
Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...
A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...
A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)
Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...
The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...
Mammalian prothymosin alpha links to tRNA in Escherichia coli cells (1997)
Vartapetian, A., Lukashev, D., Lyakhov, I., Belyaeva, A., Chichkova, N., Bogdanov, A.
ATLAS calorimeter performance (1996)
ATLAS Collaboration, Airapetian, A, Grabsky, V, Hakopian, H, Vartapetian, A, Fares, F, ...
ATLAS computing technical proposal (1996)
ATLAS Collaboration, Airapetian, A, Grabsky, V, Hakopian, H, Vartapetian, A, Fares, F, ...
A Measurement of the proton structure function f2 (x, Q**2) (1995)
Ahmed, T, Aid, S, Akhundov, AA, Andreev, V, Andrieu, B, ...
Jets and energy flow in photon-proton collisions at HERA (1995)
Aid, S., Andreev, V., Andrieu, B., Appuhn, R D., Arpagaus, M., Babaev, A., ...
Jets and energy flow in photon-proton collisions at HERA (1995)
Aid, S., Andreev, V., Andrieu, B., Appuhn, R D., Arpagaus, M., Babaev, A., ...
Jets and energy flow in photon-proton collisions at HERA (1995)
Aid, S., Andreev, V., Andrieu, B., Appuhn, R D., Arpagaus, M., Babaev, A., ...
A Search for leptoquarks and squarks at HERA (1994)
Ahmed, T, Aid, S, Andreev, V, Andrieu, B, Appuhn, R D, ...
Measurement of the Proton Structure Function F_2(x,Q^2) in the Low x Region at HERA (1993)
I. Abt, T. Ahmed, B. Andrieu, H Collaboration, ...
: A measurement of the proton structure function F 2 (x; Q 2 ) is presented with about 1000 neutral current deep inelastic scattering events for Bjorken x in the range x ' 10 \Gamma2 \Gamma 10...
Mammalian prothymosin alpha links to tRNA in Escherichia coli cells.
Vartapetian, A, Lukashev, D, Lyakhov, I, Belyaeva, A, Chichkova, N, Bogdanov, A
Prothymosin alpha, a small and highly acidic nuclear protein related to cell proliferation, is known to be covalently attached to a small unidentified cytoplasmic RNA in mammalian cells. Here we...