The complete results of the experiments carried out with the Neutral Detector at the e + e − storage ring VEPP-2M in the energy range 2 E =0.5–1.4 GeV are reviewed. The data sample corresponds to a total integrated luminosity of 19 pb −1 .
ND results from Dolinsky et al., PL B174 (1986) 453.. Statistical errors only are shown. There is an additional systematic errorof 8%.
New ND data.. Statistical errors only are shown. There is an additional systematic errorof 8%.
Averaged ND data.. Statistical errors only are shown. There is an additional systematic errorof 8%.
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'AXION' IS NEUTRAL BOSON WHICH HAS MASS < 200 MEV. IT IS ASSUMED THAT NEITHER THIS BOSON NOR THE PRODUCTS OF ITS DECAY ARE DETECTED.
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Axis error includes +- 0.0/0.0 contribution (?////NOT GIVEN).
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We report first results from an analysis based on a new multi-hadron correlation technique, exploring jet-medium interactions and di-jet surface emission bias at RHIC. Pairs of back-to-back high transverse momentum hadrons are used for triggers to study associated hadron distributions. In contrast with two- and three-particle correlations with a single trigger with similar kinematic selections, the associated hadron distribution of both trigger sides reveals no modification in either relative pseudo-rapidity or relative azimuthal angle from d+Au to central Au+Au collisions. We determine associated hadron yields and spectra as well as production rates for such correlated back-to-back triggers to gain additional insights on medium properties.
Projections of 2+1 correlation on $\Delta\phi$ for 200 GeV top 12% central-triggered and mid-central Au+Au and minimum bias d+Au data.
Projections of 2+1 correlation on $\Delta\eta$ for 200 GeV top 12% central-triggered and mid-central Au+Au and minimum bias d+Au data.
Transverse momentum distributions per trigger pair for the same- and away-side hadrons associated with di-jet triggers (|$\Delta\phi$| < 0.5, |$\Delta\eta$| < 0.5).