V. Balagura

Production of the Charmonium States χc1 and χc2 in Proton Nucleus Interactions at √s = 41.6 GeV (2009)

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

Journal article

Production of the Charmonium States χc1 and χc2 in Proton Nucleus Interactions at √s = 41.6GeV. (2009)

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

Journal article

V0 Production in p+A Collisions at √s = 41.6 GeV. (2009)

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

Journal article

Kinematic Distributions and Nuclear Effects of J/psi Production in 920 GeV Fixed-Target Proton-Nucleus Collisions (2009)

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

Journal article

Angular Distributions of Leptons from J/Psi's Produced in 920 Gev Fixed-Target Proton-Nucleus Collisions (2009)

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

Journal article

Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays (2008)

Olsen, S. L., Adachi, I., Aihara, H., Aulchenko, V., Aushev, T., ...

A distinct peak is observed in the π^±Ψ'invariant mass distribution near 4.43 GeV in B→ Kπ^±Ψ' decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M = 4433±...

Search for \bar{B}^0 →Λ_c^+\bar{Λ}_c^- decay at Belle (2008)

Uchida, Y., Ozaki, H., Kichimi, H., Adachi, I., Aihara, H., Arinstein, K., ...

We search for the doubly charmed baryonic decay \bar{B}^0 →Λ_c^+\bar{Λ}_c^-, in a data sample of 520×106 B\bar{B} events accumulated at the Υ(4S) resonance with the Belle detector at the KEKB...

Observation of D_s1(2536)^+　→ D^+π^-K^+ and angular decomposition of D_s1(2536)^+ →D^*+K_S^0 (2008)

Balagura, V., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

Using 462 fb^{-1} of e^+e^- annihilation data recorded by the Belle detector, we report the first observation of the decay D_s1(2536)^+　→　D+π^-K^+. The ratio of branching fractions...

Observation of the Ψ(4415)→ D\bar{D}_2^* (2460) Decay Using Initial-State Radiation (2008)

Pakhlova, G., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

We report measurements of the exclusive cross section for e^+e^-　→D^0D^-π^+ over the center-of-mass energy range 4.0 GeV to 5.0 GeV with initial-state radiation and the first observation of the...

Measurement of the near-threshold e^+e^-　→ D\bar{D} cross section using initial-state radiation (2008)

Pakhlova, G., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

We report measurements of the exclusive cross section for e^+e^　→D\bar{D}, where D=D^0 or D^+, in the center-of-mass energy range from the D\bar{D} threshold to 5 GeV with initial-state...

Observation of e^+e^-　→ K^+K^-J/Ψ via initial-state radiation at Belle (2008)

Yuan, C. Z., Shen, C. P., Wang, P., Wang, X. L., Adachi, I., Aihara, H., ...

The process e^+e^- →K^+K^-J/Ψ is observed for the first time via initial-state radiation. The cross section of e^+e^- → K^+K^-J/Ψ for center-of-mass energies between threshold and 6.0 GeV is...

Time-Dependent CP-Violating Asymmetry in B^0→p^0γ Decays (2008)

Ushiroda, Y., Sumisawa, K., Taniguchi, N., Adachi, I., Aihara, H., Arinstein, K., ...

We report the first measurement of CP-violation parameters in B^0 → p^0γ decays based on a data sample of 657×10^6B\bar{B} pairs collected with the Belle detector at the KEKB asymmetric-energy...

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

Measurement of branching fraction and time-dependent CP asymmetry parameters in B^0 → D^*+D^*-K^{0}_{S}decays (2007)

Dalseno, J., Adachi, I., Aihara, H., Aushev, T., Bakich, A. M., Balagura, V., ...

We present a measurement of the branching fraction and time-dependent CP violation parameters for B^0 → D^*+D^*-K^{0}_{S} decays. These results are obtained from a 414 fb^{-1} data sample that...

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

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., ...

Observation of B^+ → Λ^+_c Λ^－_c K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays (2006)

Gabyshev, N., Abe, K., Abe, K., Adachi, I., Aihara, H., Asano, Y., ...

We report the first measurements of the doubly charmed baryonic B decays B → Λ^+_c Λ^-_c K. The B+ → Λ^+_c Λ^-_c K+ decay is observed with a branching fraction of (6.5^{+1.0}_{-0.9}...

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

Study of Scintillator Strip with Wavelength Shifting Fiber and Silicon Photomultiplier (2005)

Balagura, V., Danilov, M., Dolgoshein, B., Klemin, S., Mizuk, R., Pakhlov, P., ...

The performance of the $200\times2.5\times1$ cm$^3$ plastic scintillator strip with wavelength shifting fiber read-out by two novel photodetectors called Silicon PhotoMultipliers (SiPMs) is...

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...

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...

The First-Level Trigger of the HERA-B experiment: performance and expectations (2002)

Balagura,V., Bruinsma,M., Fleckenstein,H., Flammer,J., Glass,J., Manner,R., ...

HERA-B is a fixed target spectrometer which uses 920 GeV protons incident on various target materials. The experiment is aimed to study various aspects of beauty and charm physics. The detector is...

The First-Level Trigger of the HERA-B experiment: performance and expectations (2002)

Balagura, V., Bruinsma, M., Fleckenstein, H., Flammer, J., Glass, J., Manner, R., ...

HERA-B is a fixed target spectrometer which uses 920 GeV protons incident on various target materials. The experiment is aimed to study various aspects of beauty and charm physics. The detector is...

The possibility of measuring angle $\gamma$ using $B^{0}\to K^{+}\pi^{-}$ and $\overline{B}^{0}\to K^{-}\pi^{+}$ decays at HERA-B (2000)

Balagura, V, Chistov, R, Danilov, M V, Eiges, V

Evidence for $\Lambda_{c}(2593)^{+}$ production (1997)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

A partial wave analysis of the reaction $\gamma\gamma$ --> $\pi^{+}$ $\pi^{-}\pi^{0}$ (1996)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Physics with ARGUS (1996)

Albrecht, H, Andam, A A, Binder, U, Böckmann, P, Drews, G, Ehrlichmann, H, ...

Two measurements of B$^{0}\overline{B}^{0}$ mixing using kaon tagging (1996)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Measurement of the semileptonic branching fractions of the D$^{0}$ meson (1995)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Measurement of the decay D$_{s2}^{*+}$ --> D$^{0}$K$^{+}$ (1995)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Tau decays into $K*$ mesons (1995)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

A search for the lepton-flavour violating decays $\tau$ --> e$\alpha$, $\tau$ --> $\mu\alpha$ (1995)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Determination of the Michel parameters $\xi$ and $\delta$ in leptonic $\tau$ decays (1995)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Search for rare B decays (1995)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Evidence for W exchange in charmed baryon decays (1994)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Measurement of the polarization in the decay B --> J/$\psi$K$*$ (1994)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

Determination of the structure of $\tau$ decays in the reaction e+e- --> $\tau^{+}\tau^{-}$ --> $\varrho^{+}\overline{\nu}_{\tau}\varrho$ $^{-}\nu_{\tau}$ and a precision measurement of the $\tau$-neutrino helicity (1994)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...

A measurement of the electronic widths $\Gamma_{ee}$ of the $\Upsilon$(1S) $\Upsilon$(2S), and $\Upsilon$(4S) resonances, and of the total decay width $\Gamma$ of the $\Upsilon$(4S) (1994)

Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...