Future Publications
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TURE PUBLICATIONS
DOI: 10.1134/S1063778807050195
Measurement of the Analyzing Power of High-Transverse-Momentum Charged Hadrons Produced in pA Collisions at 40 GeV V. V. Abramov, A. A. Volkov, P. I. Goncharov, A. Yu. Kalinin, A. V. Korablev, Yu. P. Korneev, A. V. Kostritsky, A. N. Krinitsyn, V. I. Kryshkin, A. A. Markov, V. V. Talov, L. K. Turchanovich, and A. V. Khmelnikov
The transverse single-spin asymmetry of charged hadrons (π ± , K ± , p, p¯) produced in proton–nucleus collisions was measured with the FODS-2 setup at the Institute for High Energy Physics (Protvino). The data in question were obtained in the interactions of a 40-GeV polarized proton beam with C and Cu nuclear targets over the range of c.m. angles between 73◦ and 94◦ , the final-state particles being produced in the vicinity of the central region (−0.01 < xF < 0.27 and 0.7 < pT < 3.6 GeV/c). For π + - and K + -meson production, the single-spin asymmetry reaches a considerable value at high pT and small positive values of xF . The analyzing power for the other hadrons—that is, π − , K − , p, and p¯—is compatible with zero in the pT range under study. The dependence of the analyzing power on the target mass number is insignificant.
xF Charged Hadrons Produced in pA Single-Spin Asymmetry of High-ppT , Negative-x Collisions at 40 GeV V. V. Abramov, A. A. Volkov, P. I. Goncharov, A. Yu. Kalinin, A. V. Korablev, Yu. P. Korneev, A. V. Kostritsky, A. N. Krinitsyn, V. I. Kryshkin, A. A. Markov, V. V. Talov, L. K. Turchanovich, and A. V. Khmelnikov
The transverse single-spin asymmetry of charged hadrons (π ± , K ± , p, p¯) produced in proton–nucleus collisions was measured with the FODS-2 setup at the Institute for High Energy Physics (Protvino). The measurements were performed for the interactions of a 40-GeV polarized proton beam with C and Cu nuclear targets over the range of c.m. angles between 95◦ and 112◦ for the case of particle production in the central region (−0.08 < xF < −0.06, 0.7 < pT < 3.4 GeV/c). The analyzing power in question was found to depend insignificantly on the target mass number. The main results of the single-asymmetry measurements at three values of the particle-detection angle are discussed.
Light Scalar Mesons in Experimental Data on the Decay φ → π 0 π 0 γ and ππ Scattering N. N. Achasov and A. V. Kiselev
Data obtained with the KLOE detector (Italy) on the decay φ → π 0 π 0 γ are analyzed together with those on ¯ The data are described theoretically with allowance for the chiral ππ scattering and the reaction ππ → K K. screening of the σ(600) meson. This description provides evidence in favor of the four-quark nature of the σ(600) and f0 (980) mesons.
Experimental Study of Variations in the Counting Rate for Radioactive-Element Beta Decays Yu. A. Baurov, Yu. G. Sobolev, Yu. V. Ryabov, and V. F. Kushniruk
Variations in the beta-decay rate for radioactive elements of half-life about 24 hours and 27 days are found on the basis of prolonged studies with scintillation and Ge(Li) gamma detectors. The significance level of the r
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