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Study of ion feedback in multi-GEM structures
A. Bondar, A. Buzulutskov, L. Shekhtman +1
We study the feedback of positive ions in triple and quadruple Gas Electron Multiplier (GEM) detectors. The effects of GEM hole diameter, detector gain, applied voltages, number of…
Experimental Study of rho -> pi0 pi0 gamma and omega -> pi0 pi0 gamma Decays
M. N. Achasov, K. I. Beloborodov, A. V. Berdyugin +23
The e+e- -> pi0 pi0 gamma process was studied in the SND experiment at VEPP-2M e+e- collider in the energy region 0.60-0.97 GeV. From the analysis of the energy dependence of measu…
Triple GEM operation in compressed He and Kr
A. Bondar, A. Buzulutskov, L. Shekhtman +2
We study the performance of the triple GEM (Gas Electron Multiplier) detector in pure noble gases He and Kr at high pressures, varying from 1 to 15 atm. The operation in these gase…
Study of the process in the energy region from 0.98 to 1.38 GeV.}
M. N. Achasov, V. M. Aulchenko, K. I. Beloborodov +25
The cross section of the process was measured in the Spherical Neutral Detector experiment at the VEPP-2M collider in the energy region $\sqrt[]{s} = 980 ÷138…