PAC07 - List of Authors (Nikitin, S. A.)

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Nikitin, S. A.

Paper	Title	Page
MOOBKI01	Central Mass Energy Determination in High Precision Experiments on VEPP-4M	63
	A. Bogomyagkov S. A. Nikitin, I. B. Nikolaev, A. G. Shamov, A. N. Skrinsky, G. M. Tumaikin BINP SB RAS, Novosibirsk
	The series of experiments on mass measurements of J/Psi, Psi' and Psi'' mesons have been done on VEPP-4M collider. The accuracy of obtained mass values for JΨ- and Psi'- mesons exceeded more than 3 times the world values, based on experiments on VEPP-4* and E760*. The ongoing experiment on tau lepton mass measurement is expected to achieve accuracy 1.5-2 times better than the present world value. The present paper describes the process and uncertainties of luminosity weighted interaction energy definition. The errors of interaction energy include uncertainties due to beam energy calibration by resonant depolarization technique and errors of interaction energy calculation. A. A. Zholentz et al., Phys. Lett. B 96 (1980) 214-216.** T. A. Armstrong et al., Phys. Rev. D47 (1993) 772-783.
	Slides
TUPAN033	DAΦ NE Setup and Performances During the Second FINUDA Run	1457
	C. Milardi D. Alesini, M. E. Biagini, C. Biscari, R. Boni, M. Boscolo, B. Buonomo, A. Clozza, G. O. Delle Monache, T. Demma, E. Di Pasquale, G. Di Pirro, A. Drago, A. Gallo, A. Ghigo, S. Guiducci, M. Incurvati, P. Iorio, C. Ligi, F. Marcellini, C. Marchetti, G. Mazzitelli, L. Pellegrino, M. A. Preger, L. Quintieri, P. Raimondi, R. Ricci, U. Rotundo, C. Sanelli, M. Serio, F. Sgamma, B. Spataro, A. Stecchi, A. Stella, S. Tomassini, C. Vaccarezza, M. Zobov INFN/LNF, Frascati (Roma) J. D. Fox, D. Teytelman SLAC, Menlo Park, California E. Levichev, S. A. Nikitin, P. A. Piminov, D. N. Shatilov BINP SB RAS, Novosibirsk
	Beam operations on DAΦNE restarted on October 2006 after a four months shut-down to remove the KLOE experimental detector and to install the FINUDA one. This period has been also used for maintenance and implementation of several upgrades. In the first two months of operation the peak and integrated luminosity already exceeds the values obtained during the first FINUDA run by 20%. The DAΦNE goal is to deliver 1 fb-1 integrated luminosity by the end of May 2007. The collider performances during the run are presented together with the improvements obtained in terms of ring nonlinearities and beam dynamics coming from several collider modifications.
THPAN060	3D PIC Method Development for Simulation of Beam-Beam Effects in Supercolliders	3366
	M. A. Boronina E. Levichev, S. A. Nikitin BINP SB RAS, Novosibirsk V. N. Snytnikov IC SB RAS, Novosibrsk V. A. Vshivkov ICM&MG SB RAS, Novosibirsk
	A new Beam-Beam simulation code based on a 3D PIC method has been developed. Taking into account to the full extent the three-dimensional nature of the interaction can be useful for studies of some thin questions such as a pinch effect at large crossing angles in ILC and Crab Waist properties in SuperB Factory. Colliding electron and positron beams move in the region shaped as parallelepiped. The physical process is described by Vlasov-Liouville equations and a set of Maxwell equations that interrelate of the densities of charge and current, and intensities of electric and magnetic fields. The examples of the electron and positron bunches movement and collision simulation are presented.