Scientific Commons: A. Aleksandrov

We report on a search for the flavor-changing neutral current decay D using 50 events recorded with a dimuon trigger in interactions of 920 GeV protons with nuclei by the HERA-B experiment. We find...

Acceptance scan technique for the drift tube linac of the spallation neutron source (2007)

Stovall, J, Takeda, H, Nath, S, Young, L, ...

For high intensity proton accelerators, it is vital to reduce the machine activation by minimizing the beam loss from many sources. One of such sources is longitudinal mismatch. To minimize a...

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

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...

Results of the SNS front end commissioning at Berkeley Lab (2002)

Ratti, A., Ayers, J.J., Doolittle, L., Greer, J.B., Keller, R., Lewis, S., ...

The SNS RFQ Commissioning (2002)

Ratti, A., Ayers, J., Doolittle, L., DiGennaro, R., Gough, R.A., Hoff, M., ...

Ion-source and LEBT issues with the front-end systems for the Spallation Neutron Source (2001)

Keller, R., Cheng, D., DiGennaro, R., Gough, R.A., Greer, J., Leung, K.N., ...

Beam measurements on the H- source and Low Energy Beam Transport system for the Spallation Neutron Source (2001)

Thomae, R., Gough, R., Keller, R., Leung, K.N., Schenkel, T., Aleksandrov, A., ...

Quasistatic Plasma Sources : Physical Principles, Modelling Experiments, Application Aspects (1997)

Shamrai, K., Aleksandrov, A., Bougrov, G., Virko, V., Katiukha, V., Koh, S., ...

Magnetic field enhanced rf plasma sources excited by frame-type antennas (quasistatic plasma sources) are treated theoretically and experimentally. The theoretical model predicts that a significant...

Quasistatic Plasma Sources : Physical Principles, Modelling Experiments, Application Aspects (1997)

Shamrai, K., Aleksandrov, A., Bougrov, G., Virko, V., Katiukha, V., Koh, S., ...

Magnetic field enhanced rf plasma sources excited by frame-type antennas (quasistatic plasma sources) are treated theoretically and experimentally. The theoretical model predicts that a significant...

Quasistatic Plasma Sources : Physical Principles, Modelling Experiments, Application Aspects (1997)

Shamrai, K., Aleksandrov, A., Bougrov, G., Virko, V., Katiukha, V., Koh, S., ...

Magnetic field enhanced rf plasma sources excited by frame-type antennas (quasistatic plasma sources) are treated theoretically and experimentally. The theoretical model predicts that a significant...

FORMATION OF HIGH-CURRENT AND DENSITY ELECTRON BEAM ON GALLIUM CATHODE WITH THE LIMITED EMISSION SURFACE (1979)

Fursey, G., Zhukov, V., Shirochin, L., Aleksandrov, A., Galuso, S.

No abstract available

FORMATION OF HIGH-CURRENT AND DENSITY ELECTRON BEAM ON GALLIUM CATHODE WITH THE LIMITED EMISSION SURFACE (1979)

Fursey, G., Zhukov, V., Shirochin, L., Aleksandrov, A., Galuso, S.

No abstract available

FORMATION OF HIGH-CURRENT AND DENSITY ELECTRON BEAM ON GALLIUM CATHODE WITH THE LIMITED EMISSION SURFACE (1979)

Fursey, G., Zhukov, V., Shirochin, L., Aleksandrov, A., Galuso, S.

No abstract available

Inward rectification of the IRK1 K+ channel reconstituted in lipid bilayers.

Aleksandrov, A, Velimirovic, B, Clapham, D E

Inwardly rectifying potassium (K+) channels (IRK1) were incorporated into lipid bilayers to test the relative contributions of various mechanisms to inward rectification. IRK1 channels were expressed...

Inward rectification of the IRK1 K+ channel reconstituted in lipid bilayers.

Aleksandrov, A, Velimirovic, B, Clapham, D E

Inwardly rectifying potassium (K+) channels (IRK1) were incorporated into lipid bilayers to test the relative contributions of various mechanisms to inward rectification. IRK1 channels were expressed...

Production of the Charmonium States ???????

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

A. Aleksandrov

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