Measurement of Two- and Three-Nucleon Short-Range Correlation Probabilities in Nuclei

Egiyan, K. S.; Dashyan, N.; Sargsian, Misak; Strikman, M.; Weinstein, L. B.; Adams, G. S.; Ambrozewicz, P.; Anghinolfi, M.; Asavapibhop, B.; Asryan, G.; Avakian, H.; Baghdasaryan, H.; Baillie, N.; Ball, J.; Baltzell, N. A.; Batourine, V.; Battaglieri, M.; Bedlinskiy, I.; Bektasoglu, M.; Bellis, M.; Benmouna, N.; Biselli, A. S.; Bonner, B. E.; Bouchigny, S.; Boiarinov, S.; Bradford, R.; Branford, D.; Brooks, W. K.; Bültmann, S.; Burkert, Volker; Bultuceanu, C.; Calarco, J. R.; Careccia, S. L.; Carman, D. S.; Carnahan, B.; Chen, S.; Cole, P. L.; Coltharp, P.; Corvisiero, P.; Crabb, D.; Crannell, H.; Cummings, J. P.; Sanctis, E. De; DeVita, R.; Degtyarenko, P. V.; Denizli, H.; Dennis, L.; Dharmawardane, K. V.; Djalali, C.; Dodge, G. E.; Donnelly, J.; Doughty, D.; Dragovitsch, P.; Dugger, M.; Dytman, S.; Dzyubak, O. P.; Egiyan, H.; Elouadrhiri, L.; Empl, A.; Eugenio, P.; Fatemi, R.; Fedotov, G.; Feuerbach, R. J.; Forest, T. A.; Funsten, H. O.; Gavalian, G.; Gevorgyan, N.; Gilfoyle, G. P.; Giovanetti, K. L.; Girod, F. X.; Goetz, J. T.; Golovatch, E.; Gothe, R. W.; Griffioen, K. A.; Guidal, M.; Guillo, M.; Guler, N.; Guo, L.; Gyurjyan, V.; Hadjidakis, C.; Hardie, J.; Hersman, F. W.; Hicks, K.; Hleiqawi, I.; Holtrop, M.; Hu, J. F.; Huertas, M.; Hyde‐Wright, C. E.; Ilieva, Y.; Ireland, D. G.; Ishkhanov, B. S.; Ito, M. M.; Jenkins, D.; Jo, H. S.; Joo, K.; Juengst, H. G.; Kellie, J. D.; Khandaker, M.; Kim, K. Y.; Kim, K.; Kim, W.; Klein, A.; Klein, F. J.; Klimenko, A. V.; Klusman, M.; Kramer, L.; Kubarovsky, V.; Kühn, J.; Kuhn, S. E.; Kuleshov, S. V.; Lachniet, J.; Laget, J. M.; Langheinrich, J.; Lawrence, D.; Lee, T.; Livingston, K.; Maximon, L. C.; McAleer, S.; McKinnon, B.; McNabb, J. W. C.; Mecking, B. A.; Mestayer, M. D.; Meyer, C. A.; Mibe, T.; Mikhailov, K.; Minehart, R.; Mirazita, M.; Miskimen, R.; Mokeev, V.; Morrow, S. A.; Muêller, J.; Mutchler, G. S.; Nadel-Turoński, P.; Napolitano, J.; Nasseripour, R.; Niccolai, S.; Niculescu, G.; Niculescu, I.; Niczyporuk, B. B.; Niyazov, R. A.; O’Rielly, G. V.; Osipenko, M.; Ostrovidov, A. I.; Park, K.; Pasyuk, E.; Peterson, C.; Pierce, J.; Pivnyuk, N.; Počanić, D.; Pogorelko, O.; Polli, E.; Pozdniakov, S.; Preedom, B. M.; Price, J. W.; Prok, Y.; Protopopescu, D.; Qin, L. M.; Raue, B. A.; Riccardi, G.; Ricco, G.; Ripani, M.; Ritchie, Barry; Ronchetti, F.; Rosner, G.; Rossi, P.; Rowntree, D.; Rubin, P. D.; Sabatié, F.; Salgado, C.; Santoro, J. P.; Sapunenko, V.; Schumacher, R. A.; Serov, V. S.; Sharabian, Y. G.; Shaw, J.; Smith, E. S.; Smith, L. C.; Sober, D. I.; Stavinsky, A.; Stepanyan, S.; Stokes, B. E.; Stoler, P.; Strauch, S.; Suleiman, R.; Taiuti, M.; Taylor, S.; Tedeschi, D. J.; Thompson, R.; Tkabladze, A.; Tkachenko, S.; Todor, L.; Tur, C.; Ungaro, M.; Vineyard, M. F.; Vlassov, A. V.; Weygand, D. P.; Williams, M.; Wolin, E.; Wood, M. H.; Yegneswaran, A.; Yun, Jaeseok; Zana, L.; Zhang, J.

doi:10.1103/physrevlett.96.082501

Cited by 270 publications

(280 citation statements)

References 21 publications

(37 reference statements)

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“…A lot of information regarding nuclear SRC has been obtained by measuring cross-section rations over extended ranges of the phase space [4,5,21,25,27].…”

Section: A(e E Pn ) Cross-section Ratiosmentioning

confidence: 99%

“…The short-and medium-range components of the nucleon-nucleon interaction induce beyond mean-field high-momentum and highdensity fluctuations in the nuclear medium, thereby giving rise to fat tails in the nuclear momentum distributions [1][2][3]. The magnitude of nuclear SRC has been linked to plateaus in ratios of cross sections of inclusive electron scattering off different nuclei [4][5][6], and to the size of the EMC effect [7].…”

Section: Introductionmentioning

confidence: 99%

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Final-state interactions in two-nucleon knockout reactions

2016

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Background: Exclusive two-nucleon knockout after electroexcitation of nuclei (A(e, e N N ) in brief) is considered to be a primary source of information about short-range correlations (SRC) in nuclei. For a proper interpretation of the data, final-state interactions (FSI) need to be theoretically controlled.Purpose: Our goal is to quantify the role of FSI effects in exclusive A(e, e pN ) reactions for four target nuclei representative for the whole mass region. Our focus is on processes that are SRC driven. We investigate the role of FSI for two characteristic detector setups corresponding with a "small" and "large" coverage of the available phase space.Method: Use is made of a factorized expression for the A(e, e pN ) cross section that is proportional to the two-body center-of-mass (c.m.) momentum distribution of close-proximity pairs. The A(e, e pp) and A(e, e pn) reactions for the target nuclei 12 C, 27 Al, 56 Fe and 208 Pb are investigated. The elastic attenuation mechanisms in the FSI are included using the relativistic multiple-scattering Glauber approximation (RMSGA). Single-charge exchange (SCX) reactions are also included. We introduce the nuclear transparency T pN A , defined as the ratio of exclusive (e, e pN ) cross sections on nuclei to those on "free" nucleon pairs, as a measure for the aggregated Conclusion:The SCX mechanisms represent a relatively small (order of a few percent) contribution of SRCdriven A(e, e pN ) processes. The mass dependence of FSI effects in exclusive A(e, e pN ) can be captured in a robust power law and is in agreement with the predictions obtained in a toy model.

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“…A lot of information regarding nuclear SRC has been obtained by measuring cross-section rations over extended ranges of the phase space [4,5,21,25,27].…”

Section: A(e E Pn ) Cross-section Ratiosmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Final-state interactions in two-nucleon knockout reactions

2016

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“…It is possible to obtain x > 1, since the parton that was struck could have been shared between nucleons. Moreover, the cross section ratio at x > 1 becomes a sequence of plateaus, in line with predictions made on the basis of SRCs [8].…”

Section: Parton Distribution Functionssupporting

confidence: 68%

“…It is possible to obtain the observed x > 1 through high-density fluctuations of multiple nucleons into short range correlations [8]. Therefore, it is necessary to develop a model of SRCs to describe nuclear PDFs.…”

Section: Short Range Correlations On the Light Conementioning

confidence: 99%

“…When accounting for two-nucleon SRCs, the values a 2 ( 56 Fe) = 5.58 (from [8,35]) and a 2 ( 208 Pb) = 5.6 (a conservative estimate) are used to characterize their strengths. When two-nucleon SRCs are accounted for, in order that the LCFD for the proton and neutron be respectively normalized to Z and (A − Z), the mean field contribution must be diluted by a factor of a …”

Section: Numerical Computations Of 2n Src Distributionsmentioning

confidence: 99%

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Hard QCD Processes in the Nuclear Medium

Freese¹

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Physics at the Thomas Jefferson National Accelerator Facility

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Many Body Structure of Strongly Interacting Systems

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Abstract. The Continuous Electron Accelerator Facility, CEBAF, located at the Thomas Jefferson National Accelerator Facility, is devoted to the investigation of the electromagnetic structure of mesons, nucleons, and nuclei using high energy, high duty-cycle electron and photon beams. Selected experimental results of particular interest to the MAMI community are presented. PACS Personal CommentsIt is an honor and a pleasure to be here to celebrate the achievements of MAMI and the distinguished careers of Professors Arenhövel, Backe, Drechsel, Friedrich, Kaiser, and Walcher.We are all deeply aware of the extent to which the science we do builds on the achievements of those who have gone before us, and on the insights and hard work of our colleagues working in the field today. One of my very earliest memories as a scientist, dating from the days when I was a young graduate student, is that of attending "Photonuclear Physics Boot Camp" (otherwise known as the Photonuclear Gordon Conference) and learning from (and with) many of those "retiring" today.Thomas (Walcher) was one of the very first scientists I ever knew beyond the boundaries of my own laboratory. He came to visit us (at Yale), and I went and visited him and his colleagues at Darmstadt. It has been a great pleasure to follow his distinguished career in science, from low-Q 2 electron scattering to hadronic physics at CERN and beyond, and finally to the leadership role he has played at MAMI for many years.Hartmuth (Arenhövel) has been the keeper of the flame of all knowledge about the deuteron, and a worthy successor to Gregory Breit. You should know that I was a graduate student at Yale, and it was one of Professor Breit's missions in life to convince any and all who would listen that the deuteron was the essence of nuclear physics, and that until we understood the deuteron, we did not understand anything. I think it is fair to call Hartmuth the Gregory Breit of my generation; he has made so many contributions.a

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Measurement of Two- and Three-Nucleon Short-Range Correlation Probabilities in Nuclei

Cited by 270 publications

References 21 publications

Final-state interactions in two-nucleon knockout reactions

Final-state interactions in two-nucleon knockout reactions

Hard QCD Processes in the Nuclear Medium

Physics at the Thomas Jefferson National Accelerator Facility

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