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- A S AÄrapetian, Norayr Akopov, +217 authors H. Zohrabian
- 1998

The HERMES experiment is collecting data on inclusive and semi-inclusive deep inelastic scattering of polarised positrons from polarised targets of H, D, and 3 He. These data give information on theâ€¦ (More)

Guided by the large-NC limit of QCD, we construct the most general chiral resonance Lagrangian that can generate chiral low-energy constants up to O(p6). By integrating out the resonance fields, theâ€¦ (More)

- A S AÄrapetian, Norayr Akopov, +172 authors P. Å»upraÅ„ski
- Physical review letters
- 2005

Single-spin asymmetries for semi-inclusive electroproduction of charged pions in deep-inelastic scattering of positrons are measured for the first time with transverse target polarization. Theâ€¦ (More)

- Eric Akkermans, Aharon Gero, Roland Kaiser
- Physical review letters
- 2008

Photon propagation in a gas of N atoms is studied using an effective Hamiltonian describing photon-mediated atomic dipolar interactions. The density P(Gamma) of photon escape rates is determined fromâ€¦ (More)

The construction of the effective Lagrangian relevant for the mesonic sector of QCD in the large N c limit meets with a few rather subtle problems. We thoroughly examine these and show that, if theâ€¦ (More)

In the large N c limit, the variables required to analyze the low energy structure of QCD in the framework of an effective field theory necessarily include the degrees of freedom of the Î· â€². Weâ€¦ (More)

- A S AÄrapetian, Norayr Akopov, +179 authors P. Å»upraÅ„ski
- 2010

A. Airapetian,30 N. Akopov,30 Z. Akopov,30 M. Amarian,6, 30 V.V. Ammosov,22 A. Andrus,15 E.C. Aschenauer,6 W. Augustyniak,29 R. Avakian,30 A. Avetissian,30 E. Avetissian,10 P. Bailey,15 V. Baturin,21â€¦ (More)

- E. H. Graul, W Ruther, +7 authors Homer Bucker
- Life sciences and space research
- 1975

After penetrating the Biostack capsule, some of the HZE particles hit the biological objects carried: bacterial spores (Bacillus subtilis), seeds (Arabidopsis thaliana and Vicia faba), and shrimpâ€¦ (More)

- Allan Arvidson, B. Bade lek, +76 authors F. Zetsche
- 1995

We present a re-evaluation of the structure function ratios F 2 /F D 2 , F C 2 /F D 2 and F 2 /F D 2 measured in deep inelastic muon-nucleus scattering at an incident muon momentum of 200 GeV. Weâ€¦ (More)

- A S AÄrapetian, Norayr Akopov, +116 authors B. Tchuiko
- 2008

A series of semi-inclusive deep-inelastic scattering measurements on deuterium, helium, neon, krypton, and xenon targets has been performed in order to study hadronization. The data were collectedâ€¦ (More)