A. Andrus

Spin density matrix elements in exclusive ρ0 electroproduction on 1H and 2H targets at 27.5 GeV beam energy (2009)

A. Airapetian, DESY Forschung Hochenergiephysik, N. Akopov, Z. Akopov, A. Andrus, E.C. Aschenauer, ...

Journal article

Spin Density Matrix Elements in Exclusive rho-0 Electroproduction on 1H and 2H Targets at 27.6 GeV Beam Energy (2008)

HERMES Collaboration, DESY Forschung Hochenergiephysik, A. Airapetian, N. Akopov, Z. Akopov, A. Andrus, ...

Internal report | Preprint

Measurement of azimuthal asymmetries with respect to both beam charge and transverse target polarization in exclusive electroproduction of real photons (2008)

Airapetian, A., Akopov, N., Akopov, Z., Andrus, A., Aschenauer, E.C., ...

"Azimuthal asymmetries in exclusive electroproduction of real photons are measured for the first time with respect to transverse target polarisation, providing new constraints on Generalized Parton...

Beam-Spin Asymmetries in the Azimuthal Distribution of Pion Electroproduction. (2007)

A. Airapetian, DESY Forschung Hochenergiephysik, Z. Akopov, M. Amarian, A. Andrus, E.C. Aschenauer, ...

Journal article

Transverse polarization of Lambda and (Lambda)over-bar hyperons in quasireal photoproduction (2007)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Double-hadron leptoproduction in the nuclear medium (2006)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

The HERMES polarized hydrogen and deuterium gas target in the HERA electron storage ring (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Measurement of the tensor structure function b(1) of the deuteron (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Subleading-twist effects in single-spin asymmetries in semi-inclusive deep-inelastic scattering on a longitudinally polarized hydrogen target (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Single-spin asymmetries in semi-inclusive deep-inelastic scattering on a transversely polarized hydrogen target (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Quark helicity distributions in the nucleon for up, down, and strange quarks from semi-inclusive deep-inelastic scattering (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Search for an exotic S =-2, Q =-2 baryon resonance at a mass near 1862 MeV in quasireal photoproduction (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering (2004)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized...

Hard exclusive electroproduction of π+π-pairs (2004)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Hard exclusive electroproduction of pi(+) pi(-) pairs off hydrogen and deuterium targets has been studied by the HERMES experiment at DESY Legendre moments (P-1) and (P-3) of the angular...

Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction (2004)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Evidence for a narrow baryon state is found in quasi-real photoproduction on a deuterium target through the decay channel pK(S)(0) → ppi(+)pi(-). A peak is observed in the pK(S)(0) invariant mass...

Nuclear polarization of molecular hydrogen recombined on a non-metallic surface (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Evidence for a narrow vertical bar S vertical bar=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Hard exclusive electroproduction of pi(+)pi(-) pairs (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Double-spin asymmetries in the cross section of rho /sup 0/ and phi production at intermediate energies (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries in the cross section of electroproduction of rho /sup 0/ and phi mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Single-spin asymmetries have been measured for semi-inclusive electroproduction of pi /sup +/, pi /sup -/, pi /sup 0/ and K/sup +/ mesons in deep-inelastic scattering off a longitudinally polarised...

Q2 dependence of nuclear transparency for exclusive rho0 production (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Q2 dependence of nuclear transparency for exclusive rho0 production (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

The influence of the nuclear medium on lepto-production of hadrons was studied in the HERMES experiment at DESY in semi- inclusive deep-inelastic scattering of 27.6 GeV positrons off deuterium,...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment (2003)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target (2003)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Signature of Superfluid Density in the Single-Particle Excitation Spectrum of Bi2Sr2CaCu2O8+delta (2000)

Feng, D. L., Lu, D. H., Shen, K. M., Kim, C., Eisaki, H., Damascelli, A., ...

We report that the doping and temperature dependence of photoemission spectra near the Brillouin zone boundary of Bi2Sr2CaCu2O8+delta exhibit unexpected sensitivity to the superfluid density. In the...

Efficient synthesis of double dye-labeled oligodeoxyribonucleotide probes and their application in a real time PCR assay (1998)

Mullah, B, Livak, K, Andrus, A, Kenney, P

Determination of interactions between structured nucleic acids by fluorescence resonance energy transfer (FRET): selection of target sites for functional nucleic acids (1998)

Ota, N, Hirano, K, Warashina, M, Andrus, A, Mullah, B, Hatanaka, K, ...

Double-spin asymmetries in the cross section of rho /sup 0/ and phi production at intermediate energies

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries in the cross section of electroproduction of rho /sup 0/ and phi mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Single-spin asymmetries have been measured for semi-inclusive electroproduction of pi /sup +/, pi /sup -/, pi /sup 0/ and K/sup +/ mesons in deep-inelastic scattering off a longitudinally polarised...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

The influence of the nuclear medium on lepto-production of hadrons was studied in the HERMES experiment at DESY in semi- inclusive deep-inelastic scattering of 27.6 GeV positrons off deuterium,...

Hard exclusive electroproduction of π+π-pairs

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Hard exclusive electroproduction of pi(+) pi(-) pairs off hydrogen and deuterium targets has been studied by the HERMES experiment at DESY Legendre moments (P-1) and (P-3) of the angular...

Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Evidence for a narrow baryon state is found in quasi-real photoproduction on a deuterium target through the decay channel pK(S)(0) → ppi(+)pi(-). A peak is observed in the pK(S)(0) invariant mass...

Determination of interactions between structured nucleic acids by fluorescence resonance energy transfer (FRET): selection of target sites for functional nucleic acids.

Ota, N, Hirano, K, Warashina, M, Andrus, A, Mullah, B, Hatanaka, K, ...

We previously developed a method for monitoring the integrity of oligonucleotides in vitro and in vivo by quantitating fluorescence resonance energy transfer (FRET) between two different...

Efficient synthesis of double dye-labeled oligodeoxyribonucleotide probes and their application in a real time PCR assay.

Mullah, B, Livak, K, Andrus, A, Kenney, P

A fast cleaving non-nucleosidic tetramethylrhodamine dye-labeled support has been developed for automated synthesis of double dye-labeled oligodeoxyribonucleotides in high yield. A mixture (1:1:2) of...

Determination of interactions between structured nucleic acids by fluorescence resonance energy transfer (FRET): selection of target sites for functional nucleic acids.

Ota, N, Hirano, K, Warashina, M, Andrus, A, Mullah, B, Hatanaka, K, ...

We previously developed a method for monitoring the integrity of oligonucleotides in vitro and in vivo by quantitating fluorescence resonance energy transfer (FRET) between two different...

Efficient synthesis of double dye-labeled oligodeoxyribonucleotide probes and their application in a real time PCR assay.

Mullah, B, Livak, K, Andrus, A, Kenney, P

A fast cleaving non-nucleosidic tetramethylrhodamine dye-labeled support has been developed for automated synthesis of double dye-labeled oligodeoxyribonucleotides in high yield. A mixture (1:1:2) of...

Double-spin asymmetries in the cross section of rho /sup 0/ and phi production at intermediate energies

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries in the cross section of electroproduction of rho /sup 0/ and phi mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Single-spin asymmetries have been measured for semi-inclusive electroproduction of pi /sup +/, pi /sup -/, pi /sup 0/ and K/sup +/ mesons in deep-inelastic scattering off a longitudinally polarised...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

The influence of the nuclear medium on lepto-production of hadrons was studied in the HERMES experiment at DESY in semi- inclusive deep-inelastic scattering of 27.6 GeV positrons off deuterium,...

Hard exclusive electroproduction of π+π-pairs

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Hard exclusive electroproduction of pi(+) pi(-) pairs off hydrogen and deuterium targets has been studied by the HERMES experiment at DESY Legendre moments (P-1) and (P-3) of the angular...

Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Evidence for a narrow baryon state is found in quasi-real photoproduction on a deuterium target through the decay channel pK(S)(0) → ppi(+)pi(-). A peak is observed in the pK(S)(0) invariant mass...