Search

Your search keyword '"Hafidi, Kawtar"' showing total 6 results
Start Over Author "Hafidi, Kawtar" Topic fos: physical sciences
6 results on '"Hafidi, Kawtar"'

1. Opportunities for Nuclear Physics & Quantum Information Science

Author

Clo��t, Ian C., Dietrich, Matthew R., Arrington, John, Bazavov, Alexei, Bishof, Michael, Freese, Adam, Gorshkov, Alexey V., Grassellino, Anna, Hafidi, Kawtar, Jacob, Zubin, McGuigan, Michael, Meurice, Yannick, Meziani, Zein-Eddine, Mueller, Peter, Muschik, Christine, Osborn, James, Otten, Matthew, Petreczky, Peter, Polakovic, Tomas, Poon, Alan, Pooser, Raphael, Roggero, Alessandro, Saffman, Mark, VanDevender, Brent, Zhang, Jiehang, and Zohar, Erez

Subjects
Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), Atomic Physics (physics.atom-ph), FOS: Physical sciences, Nuclear Experiment (nucl-ex), Quantum Physics (quant-ph)
Abstract

This whitepaper is an outcome of the workshop Intersections between Nuclear Physics and Quantum Information held at Argonne National Laboratory on 28-30 March 2018 [www.phy.anl.gov/npqi2018/]. The workshop brought together 116 national and international experts in nuclear physics and quantum information science to explore opportunities for the two fields to collaborate on topics of interest to the U.S. Department of Energy (DOE) Office of Science, Office of Nuclear Physics, and more broadly to U.S. society and industry. The workshop consisted of 22 invited and 10 contributed talks, as well as three panel discussion sessions. Topics discussed included quantum computation, quantum simulation, quantum sensing, nuclear physics detectors, nuclear many-body problem, entanglement at collider energies, and lattice gauge theories., 22 pages, Outcome of the workshop: Intersections between Nuclear Physics and Quantum Information

Published
2019
Full Text
View/download PDF

2. Tagged EMC Measurements on Light Nuclei

Author

Armstrong, Whitney, Arrington, John, Cloet, Ian, Hafidi, Kawtar, Hattawy, Mohammad, Potteveld, David, Reimer, Paul, Riordan, Seamus, Yi, Z., Ball, Jacques, Defurne, Maxime, Garcon, Michel, Moutarde, Herve, Procureur, Sebastien, Sabatie, Franck, Cosyn, Wim, Mazouz, Malek, Accardi, Alberto, Bettane, Julien, Charles, Gabriel, Dupre, Raphael, Guidal, Michel, Marchand, Dominique, Munoz, Carlos, Niccolai, Silvia, Voutier, Eric, Adhikari, Krishna, Dunne, James, Dutta, Dipangkar, Fassi, Lamiaa El, Ye, Li, Amarian, Moskov, Dodge, Gail, Guzey, Vadim, Baltzell, Nathan, Girod, Francois-Xavier, Keppel, Cynthia, Stepanyan, Stepan, Duran, Burcu, Joosten, Sylvester, Meziani, Zein-Eddine, Paolone, Michael, Rehfuss, Melanie, Sparveris, Nikos, Cao, F., Joo, Kyungseon, Kim, Andrei, Markov, N., Atti, Claudio Ciofi degli, Scopetta, Sergio, Brooks, William, El-Alaoui, Ahmed, and Liuti, Simonetta

Subjects
Nuclear Theory, FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

We propose to measure tagged deep inelastic scattering from light nuclei (deuterium and $^4$He) by detecting the low energy nuclear spectator recoil (p, $^3$H and $^3$He) in addition to the scattered electron. The proposed experiment will provide stringent tests leading to clear differentiation between the many models describing the EMC effect, by accessing the bound nucleon virtuality through its initial momentum at the point of interaction. Indeed, conventional nuclear physics explanations of the EMC effect mainly based on Fermi motion and binding effects yield very different predictions than more exotic scenarios, where bound nucleons basically loose their identity when embedded in the nuclear medium. By distinguishing events where the interacting nucleon was slow, as described by a mean field scenario, or fast, very likely belonging to a correlated pair, will clearly indicate which phenomenon is relevant to explain the EMC effect. An important challenge for such measurements using nuclear spectators is the control of the theoretical framework and, in particular, final state interactions. This experiment will directly provide the necessary data needed to test our understanding of spectator tagging and final state interactions in $^2$H and $^4$He and their impact on the semi-inclusive measurements of the EMC effect described above.

Published
2017
Full Text
View/download PDF

3. Partonic Structure of Light Nuclei

Author

Armstrong, Whitney, Arrington, John, Cloet, Ian, Hafidi, Kawtar, Hattawy, Mohammad, Potteveld, David, Paul Reimer, Riordan, Seamus, Yi, Z., Ball, Jacques, Defurne, Maxime, Garcon, Michel, Moutarde, Herve, Procureur, Sebastien, Sabatie, Franck, Cosyn, Wim, Mazouz, Malek, Bettane, Julien, Charles, Gabriel, Dupre, Raphael, Guidal, Michel, Marchand, Dominique, Munoz, Carlos, Niccolai, Silvia, Voutier, Eric, Adhikari, Krishna, Dunne, James, Dutta, Dipangkar, El Fassi, Lamiaa, Ye, Li, Guzey, Vadim, Baltzell, Nathan, Girod, Francois-Xavier, Stepanyan, Stepan, Duran, Burcu, Joosten, Sylvester, Meziani, Zein-Eddine, Paolone, Michael, Rehfuss, Melanie, Sparveris, Nikos, Cao, F., Joo, Kyungseon, Kim, Andrei, Markov, N., Scopetta, Sergio, Brooks, William, El-Alaoui, Ahmed, and Liuti, Simonetta

Subjects
High Energy Physics::Phenomenology, Nuclear Theory, FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

We propose to study the partonic structure of $^4$He by measuring the Beam Spin Asymmetry (BSA) in coherent Deeply Virtual Compton Scattering (DVCS) and the differential cross-section of the Deeply Virtual Meson Production (DVMP) of the $\phi$. Despite its simple structure, a light nucleus such as $^4$He has a density and a binding energy comparable to that of heavier nuclei. Therefore, by studying $^4$He nucleus, one can learn typical features of the partonic structure of atomic nuclei. The combination of CLAS12 and the ALERT detector provides a unique opportunity to study both the quark and gluon structure of a dense light nucleus. Coherent exclusive DVCS off $^4$He will probe the transverse spatial distribution of quarks in the nucleus as a function of the quarks' longitudinal momentum fraction, $x$. In parallel, the average spatial transverse gluon density of the $^4$He nucleus will be extracted within a GPD framework using the measured longitudinal cross-section for coherent $\phi$ production in a similar range of $x$. Additionally, threshold effects of $\phi$ production can be explored by exploiting the ALERT detector's large acceptance for low $|t|$ events.

Published
2017
Full Text
View/download PDF

4. Measurement of the generalized form factors near threshold via $��^* p \to n��^+$ at high $Q^2$

Author

Park, Kijun, Gothe, Ralf, Adhikari, Krishna, Adikaram-Mudiyanselage, Dasuni, Anghinolfi, Marco, Baghdasaryan, Hovhannes, Ball, Jacques, Battaglieri, Marco, Baturin, Vitaly, Bedlinskiy, Ivan, Bennett, Robert, Biselli, Angela, Bookwalter, Craig, Boyarinov, Sergey, Branford, Derek, Briscoe, William, Brooks, William, Burkert, Volker, Carman, Daniel, Celentano, Andrea, Chandavar, Shloka, Charles, Gabriel, Cole, Philip, Contalbrigo, Marco, Crede, Volker, D'Angelo, Annalisa, Daniel, Aji, Dashyan, Natalya, De Vita, Raffaella, De Sanctis, Enzo, Deur, Alexandre, Djalali, Chaden, Doughty, David, Dupre, Raphael, Alaoui, Ahmed El, Elfassi, Lamiaa, Eugenio, Paul, Fedotov, Gleb, Fradi, Ahmed, Gabrielyan, Marianna, Gevorgyan, Nerses, Gilfoyle, Gerard, Giovanetti, Kevin, Girod, Francois-Xavier, Goetz, John, Gohn, Wesley, Golovach, Evgeny, Graham, Lewis, Griffioen, Keith, Guidal, Michel, Guo, Lei, Hafidi, Kawtar, Hakobyan, Hayk, Hanretty, Charles, Heddle, David, Hicks, Kenneth, Holtrop, Maurik, Ilieva, Yordanka, Ireland, David, Ishkhanov, Boris, Isupov, Evgeny, Jenkins, David, Jo, Hyon-Suk, Joo, Kyungseon, Khandaker, Mahbubul, Khetarpal, Puneet, Kim, Andrey, Kim, Wooyoung, Klein, Andreas, Klein, Franz, Kubarovsky, A., Kubarovsky, Valery, Kuhn, Sebastian, Kuleshov, Sergey, Kvaltine, Nicholas, Livingston, Kenneth, Lu, Haiyun, MacGregor, Ian, Markov, Nikolai, Mayer, Michael, McKinnon, Bryan, Mestayer, Mac, Meyer, Curtis, Mineeva, Taisiya, Mirazita, Marco, Mokeev, Viktor, Moutarde, Herve, Espitia, Edwin Munevar, Nadel-Turonski, Pawel, Nasseripour, Rakhsha, Niccolai, Silvia, Niculescu, Gabriel, Niculescu, Maria-Ioana, Osipenko, Mikhail, Ostrovidov, Alexander, Paolone, Michael, Pappalardo, Luciano, Paremuzyan, Rafayel, Park, Seungkyung, Pereira, Sergio, Phelps, Evan, Pisano, Silvia, Pogorelko, Oleg, Pozdnyakov, Sergey, Price, John, Procureur, Sebastien, Prok, Yelena, Ricco, Giovanni, Rimal, Dipak, Ripani, Marco, Ritchie, Barry, Rosner, Guenther, Rossi, Patrizia, Sabatie, Franck, Saini, Mukesh, Salgado, Carlos, Schott, Diane, Schumacher, Reinhard, Seraydaryan, Heghine, Sharabian, Youri, Smith, Elton, Smith, Gregory, Sober, Daniel, Sokhan, Daria, Stepanyan, Samuel, Stepanyan, Stepan, Stoler, Paul, Strakovski, Igor, Strauch, Steffen, Taiuti, Mauro, Tang, Wei, Taylor, Charles, Tian, Ye, Tkachenko, Svyatoslav, Trivedi, Arjun, Ungaro, Maurizio, Vernarsky, Brian, Vlasov, Alexander, Voutier, Eric, Watts, Daniel, Weygand, Dennis, Wood, Michael, Zachariou, Nicholas, Zhao, Bo, Zhao, Zhiwen, Kalantarians, N., and Hyde, C. E.

Subjects
FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

We report the first extraction of the pion-nucleon multipoles near the production threshold for the $n��^+$ channel at relatively high momentum transfer ($Q^2$ up to 4.2 $\rm{GeV^2}$). The dominance of the s-wave transverse multipole ($E_{0+}$), expected in this region, allowed us to access the generalized form factor $G_1$ within the light-cone sum rule (LCSR) framework as well as the axial form factor $G_A$. The data analyzed in this work were collected by the nearly $4��$ CEBAF Large Acceptance Spectrometer (CLAS) using a 5.754 $\rm{GeV}$ electron beam on a proton target. The differential cross section and the $��-N$-multipole $E_{0+}/G_D$ were measured using two different methods, the LCSR and a direct multipole fit. The results from the two methods are found to be consistent and almost $Q^2$ independent., 17pages, 22 figures, Journal article (Physical Review C)

Published
2012
Full Text
View/download PDF

5. Dynamics Of Hadronization From Nuclear Semi Inclusive Deep Inelastic Scattering

Author

Hafidi, Kawtar and Collaboration, the CLAS

Subjects
Physics, Luminosity (scattering theory), Detector, FOS: Physical sciences, Multiplicity (mathematics), Deep inelastic scattering, Hadronization, Nuclear physics, Pion, Deuterium, Cathode ray, High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

The CLAS experiment E02-104, part of the EG2 run at Jefferson Lab, was performed to study the hadronization process using semi inclusive deep inelastic scattering off nuclei. Electron beam energy of 5 GeV and the CLAS large acceptance detector were used to study charged pion production. The high luminosity available at Jefferson Lab and the CLAS large acceptance are key factors for such measurements allowing high statistics and therefore multidimensional analyses of the data. Both the multiplicity ratio and the transverse momentum broadening for carbon, iron and lead relative to deuterium are measured. Preliminary results for positive pions are discussed., Comment: 4 pages, 2 figures, CIPANP 2006 in Puerto Rico

Published
2006
Full Text
View/download PDF

6. Phenomenology of the deuteron electromagnetic form factors

Author

Abbott, David, Ahmidouch, Abdellah, Anklin, H., Arvieux, J., Ball, James P., Beedoe, Shelton, Beise, Elizabeth, Bimbot, Louis, Boeglin, Werner, Breuer, Herbert, Carlini, Roger, Chant, Nicholas, Danagoulian, Samuel, Dow, K., Ducret, Jean-Eric, Dunne, Jim, Ewell, Lars, Eyraud, L., Furget, C., Garcon, Michel, Gilman, Ron, Glashausser, Charles, Gueye, Paul, Gustafsson, Kenneth, Hafidi, Kawtar, Honegger, A., Jourdan, J., Kox, Serge, Kumbartzki, Gerfried, Lu, L., Lung, Allison, Markowitz, Pete, Mcintyre, Justin, Meekins, David, Merchez, F., Mitchell, Joseph, Mohring, R., Mtingwa, S., Mrktchyan, H., Pitz, D., Qin, Liming, Ronald Ransome, R Eal, J. -S, Roos, Philip, Rutt, Paul, Sawafta, Reyad, Stepanyan, Stepan, Tieulent, Raphael, Tomasi-Gustafsson, E., Turchinetz, William, Vansyoc, K., Volmer, J., Voutier, E., Williamson, Claude, Wood, Stephen, Yan, Chen, Zhao, Jianguo, Zhao, W., Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), and JLAB t20

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), 010308 nuclear & particles physics, Scattering, Nuclear Theory, FOS: Physical sciences, Charge (physics), Polarization (waves), 01 natural sciences, Characterization (materials science), Computational physics, Deuterium, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Tensor, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment
Abstract

A rigorous extraction of the deuteron charge form factors from tensor polarization data in elastic electron-deuteron scattering, at given values of the 4-momentum transfer, is presented. Then the world data for elastic electron-deuteron scattering is used to parameterize, in three different ways, the three electromagnetic form factors of the deuteron in the 4-momentum transfer range 0-7 fm^-1. This procedure is made possible with the advent of recent polarization measurements. The parameterizations allow a phenomenological characterization of the deuteron electromagnetic structure. They can be used to remove ambiguities in the form factors extraction from future polarization data., 18 pages (LaTeX), 2 figures Feb. 25: minor changes of content and in Table I

Published
2000

Catalog

Books, media, physical & digital resources
See catalog results