Scientific Commons: M. Medinnis

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...

Integration of the Trigger and Data Acquisition Systems in ATLAS (2008)

Abolins, M, Adragna, P, Aleksandrov, E, Aleksandrov, I, Amorim, A, Anderson, K, ...

During 2006 and the first half of 2007, the installation, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area have progressed. There have...

Production of the Charmonium States χc1 and χc2 in Proton Nucleus Interactions at √s = 41.6GeV. (2008)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

V0 Production in p+A Collisions at √s = 41.6 GeV. (2008)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

Kinematic Distributions and Nuclear Effects of J/psi Production in 920 GeV Fixed-Target Proton-Nucleus Collisions (2008)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

K*0 and φ meson production in proton–nucleus interactions at Ös=41.6\textGeV (2007)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

The inclusive production cross sections of the strange vector mesons K*0, K̄*0, and φ have been measured in interactions of 920 GeV protons with C, Ti, and W targets with the HERA-B detector at the...

Measurement of D0, D+, Ds+ and D*+ Production in Fixed Target 920-GeV Proton-Nucleus Collisions. (2007)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

Measurement of D0, D+, Ds+ and D*+ Production in Fixed Target 920-GeV Proton-Nucleus Collisions. (2007)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

Bottom Production Cross Section from Double Muonic Decays of b-Flavoured Hadrons in 920 GeV Proton-Nucleus Collisions. (2007)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

A Measurement of the ψ′ to J/ ψ Production Ratio in 920 GeV/c Proton-Nucleus Interactions. (2007)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

Luminosity Determination at HERA-B. (2007)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

K*0 and φ Meson Production in Proton-Nucleus Interactions at √s = 41.6 GeV. (2007)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

Luminosity determination at HERA-B (2007)

Abt, I., Adams, M., Agari, M., Albrecht, H., Aleksandrov, A., Amaral, V., ...

Measurement of D-0, D+, D-delta(+) and D*+ production in fixed target 920 GeV proton-nucleus collisions (2007)

Abt, I., Adams, M., Agari, M., Albrecht, H., Aleksandrov, A., Amaral, V., ...

Bottom production cross section from double muonic decays of b-flavoured hadrons in 920 GeV proton-nucleus collisions (2007)

Abt, I., Adams, M., Agari, M., Albrecht, H., Aleksandrov, A., Amaral, V., ...

K*(0) and phi meson production in proton-nucleus interactions at root s=41.6 GeV (2007)

Abt, I., Adams, M., Agari, M., Albrecht, H., Aleksandrov, A., Amaral, V., ...

A Measurement of the psi ' to J/psi production ratio in 920 GeV proton-nucleus interactions (2007)

Abt, I., Adams, M., Agari, M., Albrecht, H., Aleksandrov, A., Amaral, V., ...

Polarization of Λ and Λ overbar in 920 GeV fixed-target proton–nucleus collisions (2006)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

A measurement of the polarization of Λ and baryons produced in pC and pW collisions at has been performed with the HERA-B spectrometer. The measurements cover the kinematic range of 0.6 GeV/c

Measurement of the J/ψ production cross section in 920 GeV/c fixed-target proton–nucleus interactions. (2006)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

The mid-rapidity (dσpN/dy at y=0) and total (σpN) production cross sections of Jψ mesons are measured in proton–nucleus interactions. Data collected by the HERA-B experiment in interactions of...

Measurement of the Υ production cross section in 920 GeV fixed-target proton–nucleus collisions (2006)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

The cross section ratio RJ/ψ=Br(Υ→l+l−)dσ(Υ)/dy|y=0/σ(J/ψ) has been measured with the HERA-B spectrometer in fixed-target proton–nucleus collisions at 920 GeV proton beam energy...

Improved measurement of the b[overline b] production cross section in 920 GeV fixed-target proton-nucleus collisionsnd in 920 GeV fixed-target proton–nucleus collisions (2006)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

A new measurement of the b[overline b] production cross section in 920 GeV proton-nucleus collisions is presented by the HERA-B Collaboration. The b[overline b] production is tagged via inclusive...

A Measurement of the ψ′ to J/ψ production ratio in 920 GeV proton-nucleus interactions (2006)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

Ratios of the ψ′ over the J/ψ production cross sections in the dilepton channel for C, Ti and W targets have been measured in 920 GeV proton-nucleus interactions with the HERA-B detector at the...

A Measurement of the ψ′ to J/ ψ Production Ratio in 920 GeV/c Proton-Nucleus Interactions (2006)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

Measurement of the Υ Production Cross-Section in 920-GeV Fixed-Target Proton-Nucleus Collisions. (2006)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

Polarization of Λ and [ˉ(Λ)] in 920-GeV Fixed-Target Proton-Nucleus Collisions (2006)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Journal article

Bottom Production Cross Section from Double Muonic Decays of b-Flavoured Hadrons in 920 GeV Proton-Nucleus Collisions (2006)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

K*0 and φ Meson Production in Proton-Nucleus Interactions at √s = 41.6 GeV (2006)

I. Abt, DESY Forschung Hochenergiephysik, M. Adams, M. Agari, H. Albrecht, A. Aleksandrov, ...

Internal report | Preprint

HERA-B Framework for Online Calibration and Alignment (2004)

Hernandez, J. M., Ressing, D., Rybnikov, V., Sanchez, F., Amorim, A., Medinnis, M., ...

This paper describes the architecture and implementation of the HERA-B framework for online calibration and alignment. At HERA-B the performance of all trigger levels, including the online...

HERA-B data acquisition system (2004)

Dam,M., Egorytchev,V., Essenov,S., Gellrich,A., Hansen,J. D., Hernandez,J. M., ...

The HERA-B Data Acquisition System implements a 50 kHz dead-timeless readout of 500 kB events requiring unprecedented speed of storing and data processing. The system is based on Digital Signal...

Limits for the central production of Θ+ and Ξ-- pentaquarks in 920 GeV pA collsions (2004)

Abt,I., Adams,M., Albrecht,H., Amaral,V., Amorim,A., Aplin,S. J., ...

We have searched for Theta^+(1540) and Xi^{--}(1862) pentaquark candidates in proton-induced reactions on C, Ti and W targets at mid-rapidity and \sqrt{s} = 41.6 GeV. In 2x10^8 inelastic events we...

Search for the Flavor-Changing Neutral Current Decay D0->μ+μ- with the HERA-B Detector (2004)

Abt,I., Adams,M., Albrecht,H., Amaral,V., Amorim,A., Aplin,S. J., ...

We report on a search for the flavor-changing neutral current decay $D^0 \to \mu^+\mu^-$ using $50 \times 10^6$ events recorded with a dimuon trigger in interactions of 920 GeV protons with nuclei by...

Limits for the central production of Θ+ and Ξ-- pentaquarks in 920 GeV pA collsions (2004)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., Aplin, S. J., ...

We have searched for Theta^+(1540) and Xi^{--}(1862) pentaquark candidates in proton-induced reactions on C, Ti and W targets at mid-rapidity and \sqrt{s} = 41.6 GeV. In 2x10^8 inelastic events we...

Search for the Flavor-Changing Neutral Current Decay D0->μ+μ- with the HERA-B Detector (2004)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., Aplin, S. J., ...

We report on a search for the flavor-changing neutral current decay $D^0 \to \mu^+\mu^-$ using $50 \times 10^6$ events recorded with a dimuon trigger in interactions of 920 GeV protons with nuclei by...

HERA-B data acquisition system (2004)

Dam, M., Egorytchev, V., Essenov, S., Gellrich, A., Hansen, J. D., Hernandez, J. M., ...

The HERA-B Data Acquisition System implements a 50 kHz dead-timeless readout of 500 kB events requiring unprecedented speed of storing and data processing. The system is based on Digital Signal...

Search for the flavor-changing neutral current decay D0→μ0+μ- with the HERA-B detector (2004)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

We report on a search for the flavor-changing neutral current decay D0→μ+μ- using 50×106 events recorded with a dimuon trigger in interactions of 920 GeV protons with nuclei by the HERA-B...

Measurement of the b(b)over-bar production cross section in 920 GeV fixed-target proton-nucleus collisions (2003)

Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...

Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...

Inclusive V 0 production cross sections from 920 GeV fixed target proton-nucleus collisions (2003)

Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...

Inclusive differential cross sections dσpA/dxF and dσpA/dp2t for the production of K0S, Λ, and Λ particles are measured at HERA in proton-induced reactions on C, Al, Ti, and W targets. The...

Measurement of the b(b)over-bar production cross section in 920 GeV fixed-target proton-nucleus collisions (2003)

Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...

Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...

J/ψ production via χc decays in 920 GeV pA interactions (2003)

Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...

Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ’s produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We...

Measurement of the b(b)over-bar production cross section in 920 GeV fixed-target proton-nucleus collisions (2003)

Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...

Inclusive V 0 production cross sections from 920 GeV fixed target proton-nucleus collisions (2003)

Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

Inclusive differential cross sections dσpA/dxF and dσpA/dp2t for the production of K0S, Λ, and Λ particles are measured at HERA in proton-induced reactions on C, Al, Ti, and W targets. The...

J/ψ production via χc decays in 920 GeV pA interactions (2003)

Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ’s produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We...

Measurement of the b(b)over-bar production cross section in 920 GeV fixed-target proton-nucleus collisions (2003)

Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...

J/ψ production via χc decays in 920 GeV pA interactions (2003)

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...

Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ's produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We...

A Study of Inclusive Double-Pomeron-Exchange in $p\overline{p} \to pX \overline{p}$ at $\sqrt{s}$ = 630 GeV (2002)

Brandt, A, Chèze, J B, Erhan, S, Kuzucu, A, Medinnis, M, Ozdes, N, ...

We report measurements of the inclusive reaction, p pbar -> p X pbar, in events where either or both the beam-like final-state baryons were detected in Roman-pot spectrometers and the central system...

A Study of Inclusive Double-Pomeron-Exchange in p pbar -> p X pbar at root s = 630 GeV (2002)

Cheze, J. B., Erhan, S., Kuzucu, A., Medinnis, M., Ozdes, N., ...

We report measurements of the inclusive reaction, p pbar -> p X pbar, in events where either or both the beam-like final-state baryons were detected in Roman-pot spectrometers and the central system...

HERA-B Status (1999)

Medinnis, M.

The HERA-B experiment is designed for studying aspects of B-physics at DESY's HERA proton-electron storage ring, with emphasis on CP violation, particularly in the B->J/psi Kzero decay channel. The...

Measurements of Inclusive $\overline{\Lambda}$ Production with Large $x_f$ at the $Sp\overline{p}S$-Collider (1997)

Chèze, J B, Erhan, S, Kuzucu-Polatoz, A, Medinnis, M, Ozdes, N, Schlein, Peter E, ...

We report results of inclusive measurements of anti-Lambda, produced in the forward direction at the SPS with sqrt(s) = 630 GeV, using the UA8 small angle Roman Pot spectrometers. These measurements...

Measurements of Inclusive Lambda-bar Production with Large x_f at the SPS-Collider (1997)

Cheze, J. B., Erhan, S., Kuzucu, A., Medinnis, M., Ozdes, N., ...

We report results of inclusive measurements of anti-Lambda, produced in the forward direction at the SPS with sqrt(s) = 630 GeV, using the UA8 small angle Roman Pot spectrometers. These measurements...

Measurements of Single Diffraction at sqrt(s) = 630 GeV; Evidence for a Non-Linear alpha(t) of the Pomeron (1997)

Cheze, J. B., Erhan, S., Kuzucu, A., Lynn, D., Medinnis, M., ...

We report measurements of the inclusive differential cross section for the single-diffractive reactions: p + pbar --> p + X and p + pbar --> X + pbar at sqrt(s) = 630 GeV, in the momentum transfer...

Cross-section measurements of hard diffraction at the S$p\overline{p}$S- Collider (1997)

Brandt, A, Erhan, S, Kuzucu-Polatoz, A, Medinnis, M, Ozdes, N, Schlein, Peter E, ...

The UA8 experiment previously reported the observation of jets in diffractive events containing leading protons (``hard diffraction"), which was interpreted as evidence for the partonic structure of...

Cross Section Measurements of Hard Diffraction at the SPS-Collider (1997)

Cheze, J. B., Erhan, S., Kuzucu, A., Medinnis, M., Ozdes, N., ...

The UA8 experiment previously reported the observation of jets in diffractive events containing leading protons (``hard diffraction''), which was interpreted as evidence for the partonic structure of...

Pseudorapidity Distribution of Charged Particles in PbarP Collisions at root(s)= 630GeV (1997)

Harr, R., Liapis, C., Karchin, P., Biino, C., Erhan, S., Hofmann, W., ...

Using a silicon vertex detector, we measure the charged particle pseudorapidity distribution over the range 1.5 to 5.5 using data collected from PbarP collisions at root s = 630 GeV. With a data...

Higher Level Trigger Systems for the HERA-B experiment (1997)

Dam Dippel, S. Erhan, A. Gellrich, J. D. Hansen, J. R. Hansen, P. Kreuzer, ...

The HERA-B experiment[1, 2] is designed for observation of CP violation in the B-meson system at the HERA machine in DESY. The data acquisition and triggering system must cope with a half million...

A programming environment to control switching networks based on STC104 packet routing chip (1996)

I. C. Legrand, U. Schwendicke, H. Leich, M. Medinnis, A. Koehler, P. Wegner, ...

Introduction This work is part of a test project for the third level trigger and on-line full event reconstruction for the HERA-B experiment[1]. The high event rate (10 MHz - corresponding to the...

The small angle spectrometer of experiment UA8 at the Sp$\overline{p}$S-collider (1992)

Brandt, A, Ellett, J, Erhan, S, Jackson, R, Kuzucu-Polatoz, A, Medinnis, M, ...

Evidence for a super-hard Pomeron structure (1992)

Brandt, A, Erhan, S, Kuzucu-Polatoz, A, Medinnis, M, Ozdes, N, Schlein, Peter E, ...

Further evidence for pomeron-quark interactions: observation of large $\Lambda^{0}$ polarization in pp --> ($\Lambda^{0}$K$^{+}$)p (1992)

Henkes, T, Alitti, J, Bonino, R, Chèze, J B, Erhan, S, Medinnis, M, ...

Development and test of a large silicon strip system for a hadron collider beauty trigger (1992)

Ellett, J, Erhan, S, Kreuzer, P K, Lynn, D, Medinnis, M, Schlein, Peter E, ...

Collider beauty physics at LHC (1991)

Erhan, S, Medinnis, M, Schlein, Peter E

Differences in leading baryon production from p$\overline{p}$ and pp collisions with \Sqrt s = 31 GeV at the CERN-ISR (1990)

Chauvat, P, Cousins, R D, Erhan, S, Hayes, K, Smith, A M, Vazeille, F, ...