Using branching processes in nuclei to reveal dynamics of large-angle, two-body scattering

Kumano, S.; Strikman, M.

doi:10.1016/j.physletb.2009.12.030

Cited by 8 publications

(9 citation statements)

References 41 publications

(43 reference statements)

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“…CT will also help establish the interplay between soft and hard physics for many other exclusive large momentum transfer processes at JLab, EIC, LHC as well as at hadronic factories J-PARC, FAIR and in the fixed target experiments at CERN (COMPASS). The pion momentum (p π ) dependence of the nuclear transparency [132].…”

Section: Discussionmentioning

confidence: 99%

“…[132]. The idea is to use 2 → 3 processes [133] where a high energy hadron "b" collides with the target "a" (nucleon) producing a recoil particle "e" and two leading hadrons "c" and "d" with…”

Section: Opportunities With Compassmentioning

confidence: 99%

“…If the CT effect is observed one would be able to investigate the space time evolution of the high energy wave packages by changing the initial pion momentum and keeping s ef f and t ef f the same, for example, see Fig. 27 [132]. Also it would open a new way for measuring non-vacuum exchange GPDs of nucleons and will allow for the first time the measurement of GPDs of other t-channel hadrons.…”

Section: Opportunities With Compassmentioning

confidence: 99%

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Color transparency: Past, present and future

Dutta

Hafidi

Strikman

2013

Progress in Particle and Nuclear Physics

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We review a unique prediction of Quantum Chromo Dynamics, called color transparency (CT), where the final (and/or initial) state interactions of hadrons with the nuclear medium must vanish for exclusive processes at high momentum transfers. We retrace the progress of our understanding of this phenomenon, which began with the discovery of the J/ψ meson, followed by the discovery of high energy CT phenomena, the recent developments in the investigations of the onset of CT at intermediate energies and the directions for future studies.

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Section: Discussionmentioning

confidence: 99%

Section: Opportunities With Compassmentioning

confidence: 99%

Section: Opportunities With Compassmentioning

confidence: 99%

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Color transparency: Past, present and future

Dutta

Hafidi

Strikman

2013

Progress in Particle and Nuclear Physics

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“…Embedding these processes in nuclei, for example by studying the process γ + A → π + π + A * , will make it possible to determine at what p T of the pions CT sets in and hence determine minimal p T for which these processes could be used to study various quark GPDs. The nuclear transparency for these processes is very sensitive to the size of the mesonq configurations [984]. Hence it may be possible to determine the characteristic transverse size of the qq dipole involved in the hard process using Eq.…”

Section: Investigations At An Eicmentioning

confidence: 99%

Gluons and the quark sea at high energies: distributions, polarization, tomography

Boer¹,

Diehl²,

Milner³

et al. 2011

198

291

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ForewordThe study of the fundamental structure of nuclear matter is a central thrust of physics research in the United States. As indicated in Frontiers of Nuclear Science, the 2007 Nuclear Science Advisory Committee long range plan, consideration of a future Electron-Ion Collider (EIC) is a priority and will likely be a significant focus of discussion at the next long range plan. We are therefore pleased to have supported the ten week program in fall 2010 at the Institute of Nuclear Theory which examined at length the science case for the EIC. This program was a major effort; it attracted the maximum allowable attendance over ten weeks.This report summarizes the current understanding of the physics and articulates important open questions that can be addressed by an EIC. It converges towards a set of "golden" experiments that illustrate both the science reach and the technical demands on such a facility, and thereby establishes a firm ground from which to launch the next phase in preparation for the upcoming long range plan discussions. We thank all the participants in this productive program. In particular, we would like to acknowledge the leadership and dedication of the five co-organizers of the program who are also the co-editors of this report.David Kaplan, Director, National Institute for Nuclear Theory Hugh Montgomery, Director, Thomas Jefferson National Accelerator Facility Steven Vigdor, Associate Lab Director, Brookhaven National Laboratory iii Preface This volume is based on a ten-week program on "Gluons and the quark sea at high energies", which took place at the Institute for Nuclear Theory (INT) in Seattle from September 13 to November 19, 2010. The principal aim of the program was to develop and sharpen the science case for an Electron-Ion Collider (EIC), a facility that will be able to collide electrons and positrons with polarized protons and with light to heavy nuclei at high energies, offering unprecedented possibilities for in-depth studies of quantum chromodynamics. Guiding questions were• What are the crucial science issues?• How do they fit within the overall goals for nuclear physics?• Why can't they be addressed adequately at existing facilities?• Will they still be interesting in the 2020's, when a suitable facility might be realized?The program started with a five-day workshop on "Perturbative and Non-Perturbative Aspects of QCD at Collider Energies", which was followed by eight weeks of regular program and a concluding four-day workshop on "The Science Case for an EIC".More than 120 theorists and experimentalists took part in the program over ten weeks. It was only possible to smoothly accommodate such a large number of participants because of the extraordinary efforts of the INT staff, to whom we extend our warm thanks and appreciation. We thank the INT Director, David Kaplan, for his strong support of the program and for covering a significant portion of the costs for printing this volume. We gratefully acknowledge additional financial support provided by BNL and JLab.The program w...

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“…An interesting example of such a reaction is the production of two mesons (or a meson and a photon) in the photon -nucleus scattering [16,17]. Color transparency effects are enhanced for these reactions as compared to two-body reactions [18].…”

Section: Introductionmentioning

confidence: 99%

Exploring QCD dynamics in medium energy γA semiexclusive collisions

Larionov

Strikman

2016

Physics Letters B

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We demonstrate that studies of the semiexclusive large angle photon -nucleus reactions: γ + A → h1 + h2 + (A − 1) * with tagged photon beams of energies 6 ÷ 10 GeV which can be performed in Hall D at Thomas Jefferson National Acceleration Facility (TJNAF) would allow to probe several aspects of the QCD dynamics: establish the t-range in which transition from soft to hard dynamics occurs, compare the strength of the interaction of various mesons and baryons with nucleons at the energies of few GeV, as well as look for the color transparency effects.

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Using branching processes in nuclei to reveal dynamics of large-angle, two-body scattering

Cited by 8 publications

References 41 publications

Color transparency: Past, present and future

Color transparency: Past, present and future

Gluons and the quark sea at high energies: distributions, polarization, tomography

Exploring QCD dynamics in medium energy γA semiexclusive collisions

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