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In this paper, we study a new matrix theory based on non-BPS D-instantons in type IIA string theory and D-instanton anti D-instanton system in type IIB string theory, which we call K-matrix theory.â€¦ (More)

We analyse unstable D-brane systems in type I string theory. Generalizing the proposal in hep-th/0108085, we give a physical interpretation for real KK-theory and claim that the D-branes embedded inâ€¦ (More)

- T. Affolder, Hikota Akimoto, +451 authors Hans Wenzel
- 2002

Charged jet evolution and the underlying event in proton-antiproton collisions at 1.8 TeV T. Affolder, H. Akimoto, A. Akopian, M. G. Albrow, P. Amaral, 5 D. Amidei, K. Anikeev, J. Antos, 8 G.â€¦ (More)

- T. Affolder, Hikota Akimoto, +458 authors S. Zucchelli
- Physical review letters
- 2000

We have measured the polarization of J/psi and psi(2S) mesons produced in pp collisions at sqrt[s] = 1.8 TeV, using data collected at the Collider Detector at Fermilab during 1992-1995. Theâ€¦ (More)

- Tsuguhiko Asakawa, Masashi Mori, Satoshi Watamura
- 2009

In a previous paper, we investigated the Hopf algebra structure in string theory and gave a unified formulation of the quantization of the string and the spacetime symmetry. In this paper, thisâ€¦ (More)

- F. Abe, Hikota Akimoto, +266 authors Hitoshi Nakada
- 1998

We present a detailed description of a search for anomalous production of missing ET (6ET), jets, leptons (e, Î¼, Ï„), b-quarks, or additional photons in events containing two isolated, central (|Î·| <â€¦ (More)

We consider a closed string field theory with an arbitrary matter current as a source of the closed string field. We find that the source must satisfy a constraint equation as a consequence of theâ€¦ (More)

We examine the fluctuations around a Dp-brane solution in an unstable D-brane system using boundary states and also boundary string field theory. We show that the fluctuations correctly reproduce theâ€¦ (More)

- T. Affolder, Hikota Akimoto, +478 authors S. Zucchelli
- Physical review letters
- 2002

We have performed a search for gluinos (g) and scalar quarks (q) in a data sample of 84 pb(-1) of pp collisions at square root[s] = 1.8 TeV, recorded by the Collider Detector at Fermilab. Weâ€¦ (More)

- F. Abe, Hikota Akimoto, +251 authors John P. Marriner
- 1999

We present a search for like-sign dielectron plus multijet events using 107 pb of data in pp collisions at âˆš s = 1.8 TeV collected in 1992-95 by the CDF experiment. Finding no events that pass ourâ€¦ (More)