Jets in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>d</mml:mi><mml:mo>(</mml:mo><mml:mi>p</mml:mi><mml:mo>)</mml:mo><mml:mo>−</mml:mo><mml:mi>A</mml:mi></mml:mrow></mml:math> collisions: Color transparency or energy conservation

The production of jets, and high momentum hadrons from jets, produced in deuteron-Au ($d$-Au) collisions at the BNL Relativistic Heavy Ion Collider (RHIC) and proton-Pb ($p$-Pb) collisions at the CERN Large Hadron Collider (LHC) are studied as a function of centrality, a measure of the impact parameter of the collision. A modified version of the event generator pythia, widely used to simulate $p\ensuremath{-}p$ collisions, is used in conjunction with a nuclear Monte Carlo event generator which simulates the locations of the nucleons within a large nucleus. We demonstrate how events with a hard jet may be simulated, in such a way that the parton distribution function of the projectile is ``frozen'' during its interaction with the extended nucleus. Using our approach, we demonstrate that the puzzling enhancement seen in peripheral events at RHIC and the LHC, as well as the suppression seen in central events at the LHC, are possibly due to mis-binning of central and semicentral events, containing a jet, as peripheral events. This occurs due to the suppression of soft particle production away from the jet, caused by the depletion of energy available in a nucleon of the deuteron (in $d$-Au at RHIC) or in the proton (in $p$-Pb at LHC), after the production of a hard jet. We conclude that partonic correlations built out of simple energy conservation are responsible for such an effect, though these are sampled at the hard scale of jet production and, as such, represent smaller states.

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