500 results on '"Hansen, J. -O."'
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52. JLab Measurements of the He3 Form Factors at Large Momentum Transfers
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Camsonne, A, Katramatou, AT, Olson, M, Acha, A, Allada, K, Anderson, BD, Arrington, J, Baldwin, A, Chen, J-P, Choi, S, Chudakov, E, Cisbani, E, Craver, B, Decowski, P, Dutta, C, Folts, E, Frullani, S, Garibaldi, F, Gilman, R, Gomez, J, Hahn, B, Hansen, J-O, Higinbotham, DW, Holmstrom, T, Huang, J, Iodice, M, Jiang, X, Kelleher, A, Khrosinkova, E, Kievsky, A, Kuchina, E, Kumbartzki, G, Lee, B, LeRose, JJ, Lindgren, RA, Lott, G, Lu, H, Marcucci, LE, Margaziotis, DJ, Markowitz, P, Marrone, S, Meekins, D, Meziani, Z-E, Michaels, R, Moffit, B, Norum, B, Petratos, GG, Puckett, A, Qian, X, Rondon, O, Saha, A, Sawatzky, B, Segal, J, Shabestari, M, Shahinyan, A, Solvignon, P, Sparveris, N, Subedi, RR, Suleiman, R, Sulkosky, V, Urciuoli, GM, Viviani, M, Wang, Y, Wojtsekhowski, BB, Yan, X, Yao, H, Zhang, W-M, Zheng, X, and Zhu, L
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Nuclear and Plasma Physics ,Synchrotrons and Accelerators ,Physical Sciences ,Heart Disease ,Cardiovascular ,Jefferson Lab Hall A Collaboration ,Mathematical Sciences ,Engineering ,General Physics ,Mathematical sciences ,Physical sciences - Abstract
The charge and magnetic form factors, F_{C} and F_{M}, respectively, of ^{3}He are extracted in the kinematic range 25 fm^{-2}≤Q^{2}≤61 fm^{-2} from elastic electron scattering by detecting ^{3}He recoil nuclei and scattered electrons in coincidence with the two High Resolution Spectrometers of the Hall A Facility at Jefferson Lab. The measurements find evidence for the existence of a second diffraction minimum for the magnetic form factor at Q^{2}=49.3 fm^{-2} and for the charge form factor at Q^{2}=62.0 fm^{-2}. Both minima are predicted to exist in the Q^{2} range accessible by this Jefferson Lab experiment. The data are in qualitative agreement with theoretical calculations based on realistic interactions and accurate methods to solve the three-body nuclear problem.
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- 2017
53. JLab Measurements of the ^{3}He Form Factors at Large Momentum Transfers.
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Camsonne, A, Katramatou, AT, Olson, M, Acha, A, Allada, K, Anderson, BD, Arrington, J, Baldwin, A, Chen, J-P, Choi, S, Chudakov, E, Cisbani, E, Craver, B, Decowski, P, Dutta, C, Folts, E, Frullani, S, Garibaldi, F, Gilman, R, Gomez, J, Hahn, B, Hansen, J-O, Higinbotham, DW, Holmstrom, T, Huang, J, Iodice, M, Jiang, X, Kelleher, A, Khrosinkova, E, Kievsky, A, Kuchina, E, Kumbartzki, G, Lee, B, LeRose, JJ, Lindgren, RA, Lott, G, Lu, H, Marcucci, LE, Margaziotis, DJ, Markowitz, P, Marrone, S, Meekins, D, Meziani, Z-E, Michaels, R, Moffit, B, Norum, B, Petratos, GG, Puckett, A, Qian, X, Rondon, O, Saha, A, Sawatzky, B, Segal, J, Shabestari, M, Shahinyan, A, Solvignon, P, Sparveris, N, Subedi, RR, Suleiman, R, Sulkosky, V, Urciuoli, GM, Viviani, M, Wang, Y, Wojtsekhowski, BB, Yan, X, Yao, H, Zhang, W-M, Zheng, X, Zhu, L, and Jefferson Lab Hall A Collaboration
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Jefferson Lab Hall A Collaboration ,Heart Disease ,Cardiovascular ,General Physics ,Mathematical Sciences ,Physical Sciences ,Engineering - Abstract
The charge and magnetic form factors, F_{C} and F_{M}, respectively, of ^{3}He are extracted in the kinematic range 25 fm^{-2}≤Q^{2}≤61 fm^{-2} from elastic electron scattering by detecting ^{3}He recoil nuclei and scattered electrons in coincidence with the two High Resolution Spectrometers of the Hall A Facility at Jefferson Lab. The measurements find evidence for the existence of a second diffraction minimum for the magnetic form factor at Q^{2}=49.3 fm^{-2} and for the charge form factor at Q^{2}=62.0 fm^{-2}. Both minima are predicted to exist in the Q^{2} range accessible by this Jefferson Lab experiment. The data are in qualitative agreement with theoretical calculations based on realistic interactions and accurate methods to solve the three-body nuclear problem.
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- 2017
54. A precision measurement of the $p$($e,e^\prime p\,$)$\pi^0$ reaction at threshold
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Chirapatpimol, K., Shabestari, M. H., Lindgren, R. A., Smith, L. C., Annand, J. R. M., Higinbotham, D. W., Moffit, B., Nelyubin, V., Norum, B. E., Allada, K., Aniol, K., Ardashev, K., Armstrong, D. S., Arndt, R. A., Benmokhtar, F., Bernstein, A. M., Bertozzi, W., Briscoe, W. J., Bimbot, L., Camsonne, A., Chen, J. -P., Choi, S., Chudakov, E., Cisbani, E., Cusanno, F., Dalton, M. M., Dutta, C., Egiyan, K., Fernandez-Ramirez, C., Feuerbach, R., Fissum, K. G., Frullani, S., Garibaldi, F., Gayou, O., Gilman, R., Gilad, S., Goity, J., Gomez, J., Hahn, B., Hamilton, D., Hansen, J. -O., Huang, J., Igarashi, R., Ireland, D., de Jager, C. W., Jin, X., Jiang, X., Jinasundera, T., Kellie, J., Keppel, C. E., Kolb, N., LeRose, J., Liyanage, N., Livingston, K., McNulty, D., Mercado, L., Michaels, R., Mihovilovic, M., Qian, S., Qian, X., Mailyan, S., Mamyan, V., Marrone, S., Monaghan, P., Nanda, S., Perdrisat, C. F., Piasetzky, E., Protopopescu, D., Punjabi, V., Qiang, Y., Rachek, I. A., Rakhman, A., Ron, G., Rosner, G., Saha, A., Sawatzky, B., Shahinyan, A., Sirca, S., Sparveris, N., Subedi, R. R., Suleiman, R., Strakovsky, I., Sulkosky, V., Moinelo, J., Voskanyan, H., Wang, K., Wang, Y., Watson, J., Watts, D., Wojtsekhowski, B., Workman, R. L., Yao, H., Zhan, X., and Zhang, Y.
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Nuclear Experiment - Abstract
New results are reported from a measurement of $\pi^0$ electroproduction near threshold using the $p(e,e^{\prime} p)\pi^0$ reaction. The experiment was designed to determine precisely the energy dependence of $s-$ and $p-$wave electromagnetic multipoles as a stringent test of the predictions of Chiral Perturbation Theory (ChPT). The data were taken with an electron beam energy of 1192 MeV using a two-spectrometer setup in Hall A at Jefferson Lab. For the first time, complete coverage of the $\phi^*_{\pi}$ and $\theta^*_{\pi}$ angles in the $p \pi^0$ center-of-mass was obtained for invariant energies above threshold from 0.5 MeV up to 15 MeV. The 4-momentum transfer $Q^2$ coverage ranges from 0.05 to 0.155 (GeV/c)$^2$ in fine steps. A simple phenomenological analysis of our data shows strong disagreement with $p-$wave predictions from ChPT for $Q^2>0.07$ (GeV/c)$^2$, while the $s-$wave predictions are in reasonable agreement., Comment: 5 pages, 6 figures
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- 2015
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55. Measurement of Parity-Violating Asymmetry in Electron-Deuteron Inelastic Scattering
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Wang, D., Pan, K., Subedi, R., Ahmed, Z., Allada, K., Aniol, K. A., Armstrong, D. S., Arrington, J., Bellini, V., Beminiwattha, R., Benesch, J., Benmokhtar, F., Bertozzi, W., Camsonne, A., Canan, M., Cates, G. D., Chen, J. -P., Chudakov, E., Cisbani, E., Dalton, M. M., de Jager, C. W., De Leo, R., Deconinck, W., Deng, X., Deur, A., Dutta, C., Fassi, L. El, Erler, J., Flay, D., Franklin, G. B., Friend, M., Frullani, S., Garibaldi, F., Gilad, S., Giusa, A., Glamazdin, A., Golge, S., Grimm, K., Hafidi, K., Hansen, J. -O., Higinbotham, D. W., Holmes, R., Holmstrom, T., Holt, R. J., Huang, J., Hyde, C. E., Jen, C. M., Jones, D., Kang, Hoyoung, King, P. M., Kowalski, S., Kumar, K. S., Lee, J. H., LeRose, J. J., Liyanage, N., Long, E., McNulty, D., Margaziotis, D. J., Meddi, F., Meekins, D. G., Mercado, L., Meziani, Z. -E., Michaels, R., Mihovilovic, M., Muangma, N., Mesick, K. E., Nanda, S., Narayan, A., Nelyubin, V., Nuruzzaman, A., Oh, Y., Parno, D., Paschke, K. D., Phillips, S. K., Qian, X., Qiang, Y., Quinn, B., Rakhman, A., Reimer, P. E., Rider, K., Riordan, S., Roche, J., Rubin, J., Russo, G., Saenboonruang, K., Saha, A., Sawatzky, B., Shahinyan, A., Silwal, R., Širca, S., Souder, P. A., Suleiman, R., Sulkosky, V., Sutera, C. M., Tobias, W. A., Urciuoli, G. M., Waidyawansa, B., Wojtsekhowski, B., Ye, L., Zhao, B., and Zheng, X.
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Nuclear Experiment ,High Energy Physics - Experiment ,High Energy Physics - Phenomenology - Abstract
The parity-violating asymmetries between a longitudinally-polarized electron beam and an unpolarized deuterium target have been measured recently. The measurement covered two kinematic points in the deep inelastic scattering region and five in the nucleon resonance region. We provide here details of the experimental setup, data analysis, and results on all asymmetry measurements including parity-violating electron asymmetries and those of inclusive pion production and beam-normal asymmetries. The parity-violating deep-inelastic asymmetries were used to extract the electron-quark weak effective couplings, and the resonance asymmetries provided the first evidence for quark-hadron duality in electroweak observables. These electron asymmetries and their interpretation were published earlier, but are presented here in more detail., Comment: 50 pages, submitted to Phys. Rev. C
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- 2014
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56. Spectroscopy of Lambda-9Li by electroproduction
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Urciuoli, G. M., Cusanno, F., Marrone, S., Acha, A., Ambrozewicz, P., Aniol, K. A., Baturin, P., Bertin, P. Y., Benaoum, H., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydzovsky, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Craver, B. J., De Cataldo, G., de Jager, C. W., De Leo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Fratoni, R., Frullani, S., Garibaldi, F., Gayou, O., Giuliani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Iodice, M., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., Camacho, C. Munoz, Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Sirca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Veneroni, P., Voutier, E., Wojtsekhowski, B. B., Zheng, X., and Zorn, C.
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Nuclear Experiment - Abstract
In the absence of accurate data on the free two-body hyperon-nucleon interaction, the spectra of hypernuclei can provide information on the details of the effective hyperon-nucleon interaction. Electroproduction of the hypernucleus Lambda-9Li has been studied for the first time with sub-MeV energy resolution in Hall A at Jefferson Lab on a 9Be target. In order to increase the counting rate and to provide unambiguous kaon identification, two superconducting septum magnets and a Ring Imaging CHerenkov detector (RICH) were added to the Hall A standard equipment. The cross section to low-lying states of Lambda-9Li is concentrated within 3 MeV of the ground state and can be fitted with four peaks. The positions of the doublets agree with theory while a disagreement could exist with respect to the relative strengths of the peaks in the doublets. A Lambda separation energy of 8.36 +- 0.08 (stat.) +- 0.08 (syst.) MeV was measured, in agreement with an earlier experiment., Comment: 14 pages, 8 figures
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- 2014
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57. JLab Measurement of the $^4$He Charge Form Factor at Large Momentum Transfers
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Camsonne, A., Katramatou, A. T., Olson, M., Sparveris, N., Acha, A., Allada, K., Anderson, B. D., Arrington, J., Baldwin, A., Chen, J. -P., Choi, S., Chudakov, E., Cisbani, E., Craver, B., Decowski, P., Dutta, C., Folts, E., Frullani, S., Garibaldi, F., Gilman, R., Gomez, J., Hahn, B., Hansen, J. -O., Higinbotham, D., Holmstrom, T., Huang, J., Iodice, M., Jiang, X., Kelleher, A., Khrosinkova, E., Kievsky, A., Kuchina, E., Kumbartzki, G., Lee, B., LeRose, J. J., Lindgren, R. A., Lott, G., Lu, H., Marcucci, L. E., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D., Meziani, Z. -E., Michaels, R., Moffit, B., Norum, B., Petratos, G. G., Puckett, A., Qian, X., Rondon, O., Saha, A., Sawatzky, B., Segal, J., Shabestari, M., Shahinyan, A., Solvignon, P., Subedi, R. R., Suleiman, R., Sulkosky, V., Urciuoli, G. M., Viviani, M., Wang, Y., Wojtsekhowski, B. B., Yan, X., Yao, H., Zhang, W. -M., Zheng, X., and Zhu, L.
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Nuclear Experiment ,High Energy Physics - Experiment - Abstract
The charge form factor of $^$4He has been extracted in the range 29 fm$^{-2}$ $\le Q^2 \le 77$ fm$^{-2}$ from elastic electron scattering, detecting $^4$He nuclei and electrons in coincidence with the High Resolution Spectrometers of the Hall A Facility of Jefferson Lab. The results are in qualitative agreement with realistic meson-nucleon theoretical calculations. The data have uncovered a second diffraction minimum, which was predicted in the $Q^2$ range of this experiment, and rule out conclusively long-standing predictions of dimensional scaling of high-energy amplitudes using quark counting., Comment: 4 pages, 2 figures
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- 2013
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58. Hall A Annual Report 2012
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Riordan, S., Keppel, C., Aniol, K., Annand, J., Arrington, J., Averett, T., Gayoso, C. Ayerbe, Brash, E., Cates, G. D., Chen, J. -P., Chudakov, E., Flay, D., Franklin, G. B., Friedman, M., Glamazdin, O., Gomez, J., Hanretty, C., Hansen, J. -O., Hyde, C., Jones, M. K., Korover, I., LeRose, J. J., Lindgren, R. A., Liyanage, N., Long, E., Mamyan, V., Mihovilovic, M., Muangma, N., Nanda, S., Parno, D., Perdrisat, C. F., Pomatsalyuk, R., Posik, M., Punjabi, V., Rosner, G., Sjogren, J., Sirca, S., Smith, L. C., Solvignon, P., Sparveris, N. F., Sulkosky, V., Vereshchaka, V., Wojtsekhowski, B., Ye, Z., Zhang, J., Zhang, Y. W., Zheng, X., Zielinski, R., and Collaboration, the Hall A
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Physics - Instrumentation and Detectors ,Nuclear Experiment - Abstract
Report over the experimental activities in Hall A at Thomas Jefferson National Accelerator Facility.
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- 2013
59. Virtual Compton Scattering and the Generalized Polarizabilities of the Proton at Q^2=0.92 and 1.76 GeV^2
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Fonvieille, H., Laveissiere, G., Degrande, N., Jaminion, S., Jutier, C., Todor, L., Di Salvo, R., Van Hoorebeke, L., Alexa, L. C., Anderson, B. D., Aniol, K. A., Arundell, K., Audit, G., Auerbach, L., Baker, F. T., Baylac, M., Berthot, J., Bertin, P. Y., Bertozzi, W., Bimbot, L., Boeglin, W. U., Brash, E. J., Breton, V., Breuer, H., Burtin, E., Calarco, J. R., Cardman, L. S., Cavata, C., Chang, C. -C., Chen, J. -P., Chudakov, E., Cisbani, E., Dale, D. S., deJager, C. W., De Leo, R., Deur, A., d'Hose, N., Dodge, G. E., Domingo, J. J., Elouadrhiri, L., Epstein, M. B., Ewell, L. A., Finn, J. M., Fissum, K. G., Fournier, G., Frois, B., Frullani, S., Furget, C., Gao, H., Gao, J., Garibaldi, F., Gasparian, A., Gilad, S., Gilman, R., Glamazdin, A., Glashausser, C., Gomez, J., Gorbenko, V., Grenier, P., Guichon, P. A. M., Hansen, J. O., Holmes, R., Holtrop, M., Howell, C., Huber, G. M., Hyde, C. E., Incerti, S., Iodice, M., Jardillier, J., Jones, M. K., Kahl, W., Kato, S., Katramatou, A. T., Kelly, J. J., Kerhoas, S., Ketikyan, A., Khayat, M., Kino, K., Kox, S., Kramer, L. H., Kumar, K. S., Kumbartzki, G., Kuss, M., Leone, A., LeRose, J. J., Liang, M., Lindgren, R. A., Liyanage, N., Lolos, G. J., Lourie, R. W., Madey, R., Maeda, K., Malov, S., Manley, D. M., Marchand, C., Marchand, D., Margaziotis, D. J., Markowitz, P., Marroncle, J., Martino, J., McCormick, K., McIntyre, J., Mehrabyan, S., Merchez, F., Meziani, Z. E., Michaels, R., Miller, G. W., Mougey, J. Y., Nanda, S. K., Neyret, D., Offermann, E. A. J. M., Papandreou, Z., Pasquini, B., Perdrisat, C. F., Perrino, R., Petratos, G. G., Platchkov, S., Pomatsalyuk, R., Prout, D. L., Punjabi, V. A., Pussieux, T., Quemener, G., Ransome, R. D., Ravel, O., Real, J. S., Renard, F., Roblin, Y., Rowntree, D., Rutledge, G., Rutt, P. M., Saha, A., Saito, T., Sarty, A. J., Serdarevic, A., Smith, T., Smirnov, G., Soldi, K., Sorokin, P., Souder, P. A., Suleiman, R., Templon, J. A., Terasawa, T., Tieulent, R., Tomasi-Gustaffson, E., Tsubota, H., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Vanderhaeghen, M., Van der Meer, R. L. J., Van De Vyver, R., Vernin, P., Vlahovic, B., Voskanyan, H., Voutier, E., Watson, J. W., Weinstein, L. B., Wijesooriya, K., Wilson, R., Wojtsekhowski, B. B., Zainea, D. G., Zhang, W. -M., Zhao, J., and Zhou, Z. -L.
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Nuclear Experiment ,High Energy Physics - Experiment - Abstract
Virtual Compton Scattering (VCS) on the proton has been studied at Jefferson Lab using the exclusive photon electroproduction reaction (e p --> e p gamma). This paper gives a detailed account of the analysis which has led to the determination of the structure functions P_LL-P_TT/epsilon and P_LT, and the electric and magnetic generalized polarizabilities (GPs) alpha_E(Q^2) and beta_M(Q^2) at values of the four-momentum transfer squared Q^2= 0.92 and 1.76 GeV^2. These data, together with the results of VCS experiments at lower momenta, help building a coherent picture of the electric and magnetic GPs of the proton over the full measured Q^2-range, and point to their non-trivial behavior., Comment: version 2: modified according to PRC Editor's and Referee's recommendations. Archival paper for the E93-050 experiment at JLab Hall A. 28 pages, 23 figures, 5 cross-section tables. To be submitted to Phys.Rev.C
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- 2012
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60. Methods for Optical Calibration of the BigBite Hadron Spectrometer
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Mihovilovic, M., Allada, K., Anderson, B. D., Annand, J. R. M., Averett, T., Camsonne, A., Chan, R. W., Chen, J. -P., Chirapatpimol, K., de Jager, C. W., Gilad, S., Hamilton, D. J., Hansen, J. -O., Higinbotham, D. W., Juang, J., Jiang, X., Jin, G., Korsch, W., LeRose, J. J., Lindgren, R. A., Liyanage, N., Long, E., Michaels, R., Moffit, B., Monaghan, P., Nelyubin, V., Norum, B. E., Piasetzky, E., Qian, X., Qiang, Y., Riordan, S., Ron, G., Rosner, G., Sawatzky, B., Shabestari, M., Shahinyan, A., Shneor, R., Sirca, S., Subedi, R., Sulkosky, V., Watson, J. W., and Zhang, Y. -W.
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Nuclear Experiment - Abstract
The techniques for optical calibration of Jefferson Lab's large-acceptance magnetic hadron spectrometer, BigBite, have been examined. The most consistent and stable results were obtained by using a method based on singular value decomposition. In spite of the complexity of the optics, the particles' positions and momenta at the target have been precisely reconstructed from the coordinates measured in the detectors by means of a single back-tracing matrix. The technique is applicable to any similar magnetic spectrometer and any particle type. For 0.55 GeV/c protons, we have established the vertex resolution of 1.2 cm, angular resolutions of 7 mrad and 16 mrad (in-plane and out-of-plane, respectively), and a relative momentum resolution of 1.6%., Comment: 26 pages, 13 figures
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- 2012
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61. Search for a new gauge boson in the $A'$ Experiment (APEX)
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Abrahamyan, S., Ahmed, Z., Allada, K., Anez, D., Averett, T., Barbieri, A., Bartlett, K., Beacham, J., Bono, J., Boyce, J. R., Brindza, P., Camsonne, A., Cranmer, K., Dalton, M. M., deJager, C. W., Donaghy, J., Essig, R., Field, C., Folts, E., Gasparian, A., Goeckner-Wald, N., Gomez, J., Graham, M., Hansen, J. -O., Higinbotham, D. W., Holmstrom, T., Huang, J., Iqbal, S., Jaros, J., Jensen, E., Kelleher, A., Khandaker, M., LeRose, J. J., Lindgren, R., Liyanage, N., Long, E., Mammei, J., Markowitz, P., Maruyama, T., Maxwell, V., Mayilyan, S., McDonald, J., Michaels, R., Moffeit, K., Nelyubin, V., Odian, A., Oriunno, M., Partridge, R., Paolone, M., Piasetzky, E., Pomerantz, I., Qiang, Y., Riordan, S., Roblin, Y., Sawatzky, B., Schuster, P., Segal, J., Selvy, L., Shahinyan, A., Subedi, R., Sulkosky, V., Stepanyan, S., Toro, N., Walz, D., Wojtsekhowski, B., and Zhang, J.
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High Energy Physics - Experiment ,High Energy Physics - Phenomenology ,Nuclear Experiment - Abstract
We present a search at Jefferson Laboratory for new forces mediated by sub-GeV vector bosons with weak coupling $\alpha'$ to electrons. Such a particle $A'$ can be produced in electron-nucleus fixed-target scattering and then decay to an $e^+e^-$ pair, producing a narrow resonance in the QED trident spectrum. Using APEX test run data, we searched in the mass range 175--250 MeV, found no evidence for an $A'\to e^+e^-$ reaction, and set an upper limit of $\alpha'/\alpha \simeq 10^{-6}$. Our findings demonstrate that fixed-target searches can explore a new, wide, and important range of masses and couplings for sub-GeV forces., Comment: 5 pages, 5 figures, references added
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- 2011
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62. Final Analysis of Proton Form Factor Ratio Data at $\mathbf{Q^2 = 4.0}$, 4.8 and 5.6 GeV$\mathbf{^2}$
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Puckett, A. J. R., Brash, E. J., Gayou, O., Jones, M. K., Pentchev, L., Perdrisat, C. F., Punjabi, V., Aniol, K. A., Averett, T., Benmokhtar, F., Bertozzi, W., Bimbot, L., Calarco, J. R., Cavata, C., Chai, Z., Chang, C. -C., Chang, T., Chen, J. P., Chudakov, E., De Leo, R., Dieterich, S., Endres, R., Epstein, M. B., Escoffier, S., Fonvieille, K. G. Fissum. H., Frullani, S., Gao, J., Garibaldi, F., Gilad, S., Gilman, R., Glamazdin, A., Glashausser, C., Gomez, J., Hansen, J. -O., Higinbotham, D., Huber, G. M., Iodice, M., de Jager, C. W., Jiang, X., Khandaker, M., Kozlov, S., Kramer, K. M., Kumbartzki, G., LeRose, J. J., Lhuillier, D., Lindgren, R. A., Liyanage, N., Lolos, G. J., Margaziotis, D. J., Marie, F., Markowitz, P., McCormick, K., Michaels, R., Milbrath, B. D., Nanda, S. K., Neyret, D., Piskunov, N. M., Ransome, R. D., Raue, B. A., Roché, R., Rvachev, M., Saha, A., Salgado, C., Sirca, S., Sitnik, I., Strauch, S., Todor, L., Tomasi-Gustafsson, E., Urciuoli, G. M., Voskanyan, H., Wijesooriya, K., Wojtsekhowski, B. B., Zheng, X., and Zhu, L.
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Nuclear Experiment ,High Energy Physics - Experiment - Abstract
Precise measurements of the proton electromagnetic form factor ratio $R = \mu_p G_E^p/G_M^p$ using the polarization transfer method at Jefferson Lab have revolutionized the understanding of nucleon structure by revealing the strong decrease of $R$ with momentum transfer $Q^2$ for $Q^2 \gtrsim 1$ GeV$^2$, in strong disagreement with previous extractions of $R$ from cross section measurements. In particular, the polarization transfer results have exposed the limits of applicability of the one-photon-exchange approximation and highlighted the role of quark orbital angular momentum in the nucleon structure. The GEp-II experiment in Jefferson Lab's Hall A measured $R$ at four $Q^2$ values in the range 3.5 GeV$^2 \le Q^2 \le 5.6$ GeV$^2$. A possible discrepancy between the originally published GEp-II results and more recent measurements at higher $Q^2$ motivated a new analysis of the GEp-II data. This article presents the final results of the GEp-II experiment, including details of the new analysis, an expanded description of the apparatus and an overview of theoretical progress since the original publication. The key result of the final analysis is a systematic increase in the results for $R$, improving the consistency of the polarization transfer data in the high-$Q^2$ region. This increase is the result of an improved selection of elastic events which largely removes the systematic effect of the inelastic contamination, underestimated by the original analysis., Comment: 30 pages, 17 figures, 4 tables. Final version to appear in Phys. Rev. C
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- 2011
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63. High Precision Measurement of the Proton Elastic Form Factor Ratio $\mu_pG_E/G_M$ at low $Q^2$
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Zhan, X., Allada, K., Armstrong, D. S., Arrington, J., Bertozzi, W., Boeglin, W., Chen, J. -P., Chirapatpimol, K., Choi, S., Chudakov, E., Cisbani, E., Decowski, P., Dutta, C., Frullani, S., Fuchey, E., Garibaldi, F., Gilad, S., Gilman, R., Glister, J., Hafidi, K., Hahn, B., Hansen, J. -O., Higinbotham, D. W., Holmstrom, T., Holt, R. J., Huang, J., Huber, G. M., Itard, F., de Jager, C. W., Jiang, X., Johnson, J., Katich, J., de Leo, R., LeRose, J. J., Lindgren, R., Long, E., Margaziotis, D. J., Beck, S. May-Tal, Meekins, D., Michaels, R., Moffit, B., Norum, B. E., Olson, M., Piasetzky, E., Pomerantz, I., Protopopescu, D., Qian, X., Qiang, Y., Rakhman, A., Ransome, R. D., Reimer, P. E., Reinhold, J., Riordan, S., Ron, G., Saha, A., Sarty, A. J., Sawatzky, B., Schulte, E. C., Shabestari, M., Shahinyan, A., Sirca, S., Solvignon, P., Sparveris, N. F., Strauch, S., Subedi, R., Sulkosky, V., Vilardi, I., Wang, Y., Wojtsekhowski, B., Ye, Z., and Zhang, Y.
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Nuclear Experiment - Abstract
We report a new, high-precision measurement of the proton elastic form factor ratio \mu_p G_E/G_M for the four-momentum transfer squared Q^2 = 0.3-0.7 (GeV/c)^2. The measurement was performed at Jefferson Lab (JLab) in Hall A using recoil polarimetry. With a total uncertainty of approximately 1%, the new data clearly show that the deviation of the ratio \mu_p G_E/G_M from unity observed in previous polarization measurements at high Q^2 continues down to the lowest Q^2 value of this measurement. The updated global fit that includes the new results yields an electric (magnetic) form factor roughly 2% smaller (1% larger) than the previous global fit in this Q^2 range. We obtain new extractions of the proton electric and magnetic radii, which are
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- 2011
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64. Measurements of the Electric Form Factor of the Neutron up to Q2=3.4 GeV2 using the Reaction He3(e,e'n)pp
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Riordan, S., Abrahamyan, S., Craver, B., Kelleher, A., Kolarkar, A., Miller, J., Cates, G. D., Liyanage, N., Wojtsekhowski, B., Acha, A., Allada, K., Anderson, B., Aniol, K. A., Annand, J. R. M., Arrington, J., Averett, T., Beck, A., Bellis, M., Boeglin, W., Breuer, H., Calarco, J. R., Camsonne, A., Chen, J. P., Chudakov, E., Coman, L., Crowe, B., Cusanno, F., Day, D., Degtyarenko, P., Dolph, P. A. M., Dutta, C., Ferdi, C., Fernandez-Ramirez, C., Feuerbach, R., Fraile, L. M., Franklin, G., Frullani, S., Fuchs, S., Garibaldi, F., Gevorgyan, N., Gilman, R., Glamazdin, A., Gomez, J., Grimm, K., Hansen, J. O., Herraiz, J. L., Higinbotham, D. W., Holmes, R., Holmstrom, T., Howell, D., deJager, C. W., Jiang, X., Jones, M. K., Katich, J., Kaufman, L. J., Khandaker, M., Kelly, J. J., Kiselev, D., Korsch, W., LeRose, J., Lindgren, R., Markowitz, P., Margaziotis, D. J., Beck, S. May-Tal, Mayilyan, S., McCormick, K., Meziani, Z. E., Michaels, R., Moffit, B., Nanda, S., Nelyubin, V., Ngo, T., Nikolenko, D. M., Norum, B., Pentchev, L., Perdrisat, C. F., Piasetzky, E., Pomatsalyuk, R., Protopopescu, D., Puckett, A. J. R., Punjabi, V. A., Qian, X., Qiang, Y., Quinn, B., Rachek, I., Ransome, R. D., Reimer, P. E., Reitz, B., Roche, J., Ron, G., Rondon, O., Rosner, G., Saha, A., Sargsian, M., Sawatzky, B., Segal, J., Shabestari, M., Shahinyan, A., Shestakov, Yu., Singh, J., Sirca, S., Souder, P., Stepanyan, S., Stibunov, V., Sulkosky, V., Tajima, S., Tobias, W. A., Udias, J. M., Urciuoli, G. M., Vlahovic, B., Voskanyan, H., Wang, K., Wesselmann, F. R., Vignote, J. R., Wood, S. A., Wright, J., Yao, H., and Zhu, X.
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Nuclear Experiment - Abstract
The electric form factor of the neutron was determined from studies of the reaction He3(e,e'n)pp in quasi-elastic kinematics in Hall A at Jefferson Lab. Longitudinally polarized electrons were scattered off a polarized target in which the nuclear polarization was oriented perpendicular to the momentum transfer. The scattered electrons were detected in a magnetic spectrometer in coincidence with neutrons that were registered in a large-solid-angle detector. More than doubling the Q2-range over which it is known, we find GEn = 0.0225 +/- 0.0017 (stat) +/- 0.0024 (syst), 0.0200 +/- 0.0023 +/- 0.0018, and 0.0142 +/- 0.0019 +/- 0.0013 for Q2 = 1.72, 2.48, and 3.41 GeV2, respectively., Comment: submitted to PRL
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- 2010
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65. Cross sections and Rosenbluth separations in 1H(e, e'K+)Lambda up to Q2=2.35 GeV2
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Coman, M., Markowitz, P., Aniol, K. A., Baker, K., Boeglin, W. U., Breuer, H., Bydzovsky, P., Camsonne, A., Cha, J., Chang, C. C., Chant, N., Chen, J. -P., Chudakov, E. A., Cisbani, E., Cole, L., Cusanno, F., de Jager, C. W., De Leo, R., Deur, A. P., Dieterich, S., Dohrmann, F., Dutta, D., Ent, R., Filoti, O., Fissum, K., Frullani, S., Garibaldi, F., Gayou, O., Gilman, F., Gomez, J., Gueye, P., Hansen, J. O., Higinbotham, D. W., Hinton, W., Horn, T., Hu, B., Huber, G. M., Iodice, M., Jackson, C., Jiang, X., Jones, M., Kanda, K., Keppel, C., King, P., Klein, F., Kozlov, K., Kramer, K., Kramer, L., Lagamba, L., LeRose, J. J., Liyanage, N., Margaziotis, D. J., Marrone, S., McCormick, K., Michaels, R. W., Mitchell, J., Miyoshi, T., Nanda, S., Palomba, M., Pattichio, V., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Raue, B., Reinhold, J., Reitz, B., Roche, R. E., Roos, P., Saha, A., Sarty, A. J., Sato, Y., Sirca, S., Sotona, M., Tang, L., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Uzzle, A., Vacheret, A., Wang, K., Wijesooriya, K., Wojtsekhowski, B., Wood, S., Yaron, I., Zheng, X., and Zhu, L.
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Nuclear Experiment - Abstract
The kaon electroproduction reaction 1H(e,e'K+)Lambda was studied as a function of the virtual-photon four-momentum, Q2, total energy, W, and momentum transfer, t, for different values of the virtual- photon polarization parameter. Data were taken at electron beam energies ranging from 3.40 to 5.75 GeV. The center of mass cross section was determined for 21 kinematics corresponding to Q2 of 1.90 and 2.35 GeV2 and the longitudinal, sigmaL, and transverse, sigmaT, cross sections were separated using the Rosenbluth technique at fixed W and t. The separated cross sections reveal a flat energy dependence at forward kaon angles not satisfactorily described by existing electroproduction models. Influence of the kaon pole on the cross sections was investigated by adopting an off-shell form factor in the Regge model which better describes the observed energy dependence of sigmaT and sigmaL., Comment: 5 pages, 4 figures. Submitted to Physical Review C, Rapid Communications
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- 2009
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66. High crystalline quality single crystal CVD diamond
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Martineau, P M, Gaukroger, M P, Guy, K B, Lawson, S C, Twitchen, D J, Friel, I, Hansen, J O, Summerton, G C, Addison, T P G, and Burns, R
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Condensed Matter - Materials Science - Abstract
Homoepitaxial chemical vapour deposition (CVD) on high pressure high temperature (HPHT) synthetic diamond substrates allows production of diamond material with controlled point defect content. In order to minimize the extended defect content, however, it is necessary to minimize the number of substrate extended defects that reach the initial growth surface and the nucleation of dislocations at the interface between the CVD layer and its substrate. X-ray topography has indicated that when type IIa HPHT synthetic substrates are used the density of dislocations nucleating at the interface can be less than 400 cm-2. X-ray topography, photoluminescence imaging and birefringence microscopy of HPHT grown synthetic type IIa diamond clearly show that the extended defect content is growth sector dependent. <111> sectors contain the highest concentration of both stacking faults and dislocations but <100> sectors are relatively free of both. It has been shown that HPHT treatment of such material can significantly reduce the area of stacking faults and cause dislocations to move. This knowledge, coupled with an understanding of how growth sectors develop during HPHT synthesis, has been used to guide selection and processing of substrates suitable for CVD synthesis of material with high crystalline perfection and controlled point defect content., Comment: 11 pages, 8 figures
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- 2009
67. Probing Cold Dense Nuclear Matter
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Subedi, R., Shneor, R., Monaghan, P., Anderson, B. D., Aniol, K., Annand, J., Arrington, J., Benaoum, H., Benmokhtar, F., Bertozzi, W., Boeglin, W., Chen, J. -P., Choi, Seonho, Cisbani, E., Craver, B., Frullani, S., Garibaldi, F., Gilad, S., Gilman, R., Glamazdin, O., Hansen, J. -O., Higinbotham, D. W., Holmstrom, T., Ibrahim, H., Igarashi, R., de Jager, C. W., Jans, E., Jiang, X., Kaufman, L., Kelleher, A., Kolarkar, A., Kumbartzki, G., LeRose, J. J., Lindgren, R., Liyanage, N., Margaziotis, D. J., Markowitz, P., Marrone, S., Mazouz, M., Meekins, D., Michaels, R., Moffit, B., Perdrisat, C. F., Piasetzky, E., Potokar, M., Punjabi, V., Qiang, Y., Reinhold, J., Ron, G., Rosner, G., Saha, A., Sawatzky, B., Shahinyan, A., Širca, S., Slifer, K., Solvignon, P., Sulkosky, V., Urciuoli, G., Voutier, E., Watson, J. W., Weinstein, L. B., Wojtsekhowski, B., Wood, S., Zheng, X. -C., and Zhu, L.
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Nuclear Experiment - Abstract
The protons and neutrons in a nucleus can form strongly correlated nucleon pairs. Scattering experiments, where a proton is knocked-out of the nucleus with high momentum transfer and high missing momentum, show that in 12C the neutron-proton pairs are nearly twenty times as prevalent as proton-proton pairs and, by inference, neutron-neutron pairs. This difference between the types of pairs is due to the nature of the strong force and has implications for understanding cold dense nuclear systems such as neutron stars., Comment: 12 pages, 5 figures
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- 2009
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68. High Resolution Spectroscopy of 16N_Lambda by Electroproduction
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Cusanno, F., Urciuoli, G. M., Acha, A., Ambrozewicz, P., Aniol, K. A., Baturin, P., Bertin, P. Y., Benaoum, H., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydzovsky, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Craver, B. J., De Cataldo, G., de Jager, C. W., De Leo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Fratoni, R., Frullani, S., Garibaldi, F., Gayou, O., Giuliani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Iodice, M., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Marrone, S., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., Camacho, C. Munoz, Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Raue, B., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Sirca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Veneroni, P., Voutier, E., Wojtsekhowski, B. B., Zeng, X., and Zorn, C.
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Nuclear Experiment - Abstract
An experimental study of the 16O(e,e'K^+)16N_Lambda reaction has been performed at Jefferson Lab. A thin film of falling water was used as a target. This permitted a simultaneous measurement of the p(e,e'K^+)Lambda,Sigma_0 exclusive reactions and a precise calibration of the energy scale. A ground-state binding energy of 13.76 +/- 0.16 MeV was obtained for 16N_Lambda with better precision than previous measurements on the mirror hypernucleus 16O_Lambda. Precise energies have been determined for peaks arising from a Lambda in s and p orbits coupled to the p_{1/2} and p_{3/2} hole states of the 15N core nucleus., Comment: 5 pages, 3 figures, 2 tables
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- 2008
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69. 3He Spin-Dependent Cross Sections and Sum Rules
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E94010 Collaboration, Slifer, K., Amarian, M., Auerbach, L., Averett, T., Berthot, J., Bertin, P., Bertozzi, B., Black, T., Brash, E., Brown, D., Burtin, E., Calarco, J., Cates, G., Chai, Z., Chen, J. -P., Choi, Seonho, Chudakov, E., Atti, C. Ciofi degli, Cisbani, E., de Jager, C. W., Deur, A., DiSalvo, R., Dieterich, S., Djawotho, P., Finn, M., Fissum, K., Fonvieille, H., Frullani, S., Gao, H., Gao, J., Garibaldi, F., Gasparian, A., Gilad, S., Gilman, R., Glamazdin, A., Glashausser, C., Glockle, W., Golak, J., Goldberg, E., Gomez, J., Gorbenko, V., Hansen, J. -O., Hersman, B., Holmes, R., Huber, G. M., Hughes, E., Humensky, B., Incerti, S., Iodice, M., Jensen, S., Jiang, X., Jones, C., Jones, G., Jones, M., Jutier, C., Kamada, H., Ketikyan, A., Kominis, I., Korsch, W., Kramer, K., Kumar, K., Kumbartzki, G., Kuss, M., Lakuriqi, E., Laveissiere, G., Lerose, J. J., Liang, M., Liyanage, N., Lolos, G., Malov, S., Marroncle, J., McCormick, K., McKeown, R. D., Meziani, Z. -E., Michaels, R., Mitchell, J., Nogga, A., Pace, E., Papandreou, Z., Pavlin, T., Petratos, G. G., Pripstein, D., Prout, D., Ransome, R., Roblin, Y., Rowntree, D., Rvachev, M., Sabatie, F., Saha, A., Salme, G., Scopetta, S., Skibinski, R., Souder, P., Saito, T., Strauch, S., Suleiman, R., Takahashi, K., Teijiro, S., Todor, L., Tsubota, H., Ueno, H., Urciuoli, G., Van der Meer, R., Vernin, P., Voskanian, H., Witala, H., Wojtsekhowski, B., Xiong, F., Xu, W., Yang, J. -C., Zhang, B., and Zolnierczuk, P.
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Nuclear Experiment - Abstract
We present a measurement of the spin-dependent cross sections for the \vec{^3He}(\vec{e},e')X} reaction in the quasielastic and resonance regions at four-momentum transfer 0.1 < Q^2< 0.9 GeV^2. The spin-structure functions have been extracted and used to evaluate the nuclear Burkhardt--Cottingham and extended GDH sum rules for the first time. Impulse approximation and exact three-body Faddeev calculations are also compared to the data in the quasielastic region., Comment: Final version
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- 2008
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70. High Resolution Spectroscopy of 12B_Lambda by Electroproduction
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Iodice, M., Cusanno, F., Acha, A., Ambrozewicz, P., Aniol, K. A., Baturin, P., Bertin, P. Y., Benaoum, H., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydzovsky, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Craver, B. J., DeCataldo, G., deJager, C. W., DeLeo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Fratoni, R., Frullani, S., Garibaldi, F., Gayou, O., Giulani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Marrone, S., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., MunozCamacho, C., Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Raue, B., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Sirca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Veneroni, P., Voutier, E., Wojtsekhowski, B. B., Zheng, X., and Zorn, C.
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Nuclear Experiment - Abstract
An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a $^{12}$C target. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a Ring Imaging CHerenkov detector (RICH) were added to the Hall A standard equipment. An unprecedented energy resolution of less than 700 keV FWHM has been achieved. Thus, the observed \lam{12}{B} spectrum shows for the first time identifiable strength in the core-excited region between the ground-state {\it s}-wave $\Lambda$ peak and the 11 MeV {\it p}-wave $\Lambda$ peak., Comment: Paper submitted to Physical Review Letters
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- 2007
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71. A Search for Sigma^0_5, N^0_5 and Theta^++ Pentaquark States
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Qiang, Y., Annand, J., Arrington, J., Azimov, Ya. I., Bertozzi, W., Cates, G., Chen, J. P., Choi, Seonho, Chudakov, E., Cusanno, F., de Jager, C. W., Epstein, M., Feuerbach, R. J., Garibaldi, F., Gayou, O., Gilman, R., Gomez, J., Hamilton, D. J., Hansen, J. -O., Higinbotham, D. W., Holmstrom, T., Iodice, M., Jiang, X., Jones, M., LeRose, J., Lindgren, R., Liyanage, N., Margaziotis, D. J., Markowitz, P., Mamyan, V., Michaels, R., Meziani, Z. -E., Monaghan, P., Munoz-Camacho, C., Nelyubin, V., Paschke, K., Piasetzky, E., Rachek, I., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R., Saha, A., Sarty, A., Schulte, E., Shahinyan, A., Sheyor, R., Singh, J., Strakovsky, I. I., Subedi, R., Suleiman, R., Sulkovsky, V., Wojtsekhowski, B., and Zheng, X.
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High Energy Physics - Experiment ,Nuclear Experiment - Abstract
A high-resolution (sigma_instr. = 1.5 MeV) search for narrow states (Gamma < 10 MeV) with masses of M_x approx 1500-1850 MeV in ep -> e'K^+ X, e'K^- X and e' pi^+ X electroproduction at small angles and low Q^2 was performed. These states would be candidate partner states of the reported Theta^+(1540) pentaquark. No statistically significant signal was observed in any of the channels at 90% C.L. Upper limits on forward production were determined to be between 0.7% and 4.2% of the Lambda(1520) production cross section, depending on the channel and the assumed mass and width of the state., Comment: 5 pages, 5 figures, to appear in Phys. Rev. C, update with responses to referee suggestions
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- 2006
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72. Precision Rosenbluth measurement of the proton elastic form factors
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Qattan, I. A., Arrington, J., Segel, R. E., Zheng, X., Aniol, K., Baker, O. K., Beams, R., Brash, E. J., Calarco, J., Camsonne, A., Chen, J. -P., Christy, M. E., Dutta, D., Ent, R., Frullani, S., Gaskell, D., Gayou, O., Gilman, R., Glashausser, C., Hafidi, K., Hansen, J. -O., Higinbotham, D. W., Hinton, W., Holt, R. J., Huber, G. M., Ibrahim, H., Jisonna, L., Jones, M. K., Keppel, C. E., Kinney, E., Kumbartzki, G. J., Lung, A., Margaziotis, D. J., McCormick, K., Meekins, D., Michaels, R., Monaghan, P., Moussiegt, P., Pentchev, L., Perdrisat, C., Punjabi, V., Ransome, R., Reinhold, J., Reitz, B., Saha, A., Sarty, A., Schulte, E. C., Slifer, K., Solvignon, P., Sulkosky, V., Wijesooriya, K., and Zeidman, B.
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Nuclear Experiment - Abstract
We report the results of a new Rosenbluth measurement of the proton form factors at Q^2 values of 2.64, 3.20 and 4.10 GeV^2. Cross sections were determined by detecting the recoiling proton in contrast to previous measurements in which the scattered electron was detected. At each Q^2, relative cross sections were determined to better than 1%. The measurement focussed on the extraction of G_E/G_M which was determined to 4-8% and found to approximate form factor scaling, i.e. \mu_p G_E \approx G_M. These results are consistent with and much more precise than previous Rosenbluth extractions. However, they are inconsistent with recent polarization transfer measurements of comparable precision, implying a systematic difference between the two techniques., Comment: 5 pages, 3 figures, submitted to PRL
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- 2004
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73. The quasielastic 2H(e,e'p)n reaction at high recoil momenta
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Ulmer, P. E., Aniol, K. A., Arenhoevel, H., Chen, J. -P., Chudakov, E., Crovelli, D., Finn, J. M., Fissum, K. G., Gayou, O., Gomez, J., Hansen, J. -O., de Jager, C. W., Jeschonnek, S., Jones, M. K., Kuss, M., LeRose, J. J., Liang, M., Lindgren, R. A., Malov, S., Meekins, D., Michaels, R., Mitchell, J., Perdrisat, C. F., Punjabi, V., Roche, R., Sabatie, F., Saha, A., Suleiman, R., Todor, L., and Wojtsekhowski, B. B.
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Nuclear Experiment - Abstract
The 2H(e,e'p)n cross section was measured in Hall A of the Thomas Jefferson National Accelerator Facility (JLab) in quasielastic kinematics (x=0.96) at a four-momentum transfer squared, Q^2=0.67 (GeV/c)^2. The experiment was performed in fixed electron kinematics for recoil momenta from zero to 550 MeV/c. Though the measured cross section deviates by 1-2 sigma from a state-of-the-art calculation at low recoil momenta, it agrees at high recoil momenta where final state interactions (FSI) are predicted to be large., Comment: 4 pages, 1 figure, to be submitted to Phys. Rev. Lett
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- 2001
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74. Inclusive Electron Scattering from Nuclei at $x \simeq 1$
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Arrington, J., Anthony, P., Arnold, R. G., Beise, E. J., Belz, J. E., Bosted, P. E., Bulten, H. -J., Chapman, M. S., Coulter, K. P., Dietrich, F., Ent, R., Epstein, M., Filippone, B. W., Gao, H., Gearhart, R. A., Geesaman, D. F., Hansen, J. -O., Holt, R. J., Jackson, H. E., Jones, C. E., Keppel, C. E., Kinney, E. R., Kuhn, S., Lee, K., Lorenzon, W., Lung, A., Makins, N. C. R., Margaziotis, D. J., McKeown, R. D., Milner, R. G., Mueller, B., Napolitano, J., Nelson, J., O'Neill, T. G., Papavassiliou, V., Petratos, G. G., Potterveld, D. H., Rock, S. E., Spengos, M., Szalata, Z. M., Tao, L. H., vanBibber, K., Brand, J. F. J. van den, White, J. L., Winter, D., and Zeidman, B.
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Nuclear Experiment - Abstract
The inclusive A(e,e') cross section for $x \simeq 1$ was measured on $^2$H, C, Fe, and Au for momentum transfers $Q^2$ from 1-7 (GeV/c)$^2$. The scaling behavior of the data was examined in the region of transition from y-scaling to x-scaling. Throughout this transitional region, the data exhibit $\xi$-scaling, reminiscent of the Bloom-Gilman duality seen in free nucleon scattering., Comment: 4 pages, RevTeX; 4 figures (postscript in .tar.Z file)
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- 1995
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75. Revealing the short-range structure of the mirror nuclei 3H and 3He
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Li, S., primary, Cruz-Torres, R., additional, Santiesteban, N., additional, Ye, Z. H., additional, Abrams, D., additional, Alsalmi, S., additional, Androic, D., additional, Aniol, K., additional, Arrington, J., additional, Averett, T., additional, Gayoso, C. Ayerbe, additional, Bane, J., additional, Barcus, S., additional, Barrow, J., additional, Beck, A., additional, Bellini, V., additional, Bhatt, H., additional, Bhetuwal, D., additional, Biswas, D., additional, Bulumulla, D., additional, Camsonne, A., additional, Castellanos, J., additional, Chen, J., additional, Chen, J.-P., additional, Chrisman, D., additional, Christy, M. E., additional, Clarke, C., additional, Covrig, S., additional, Craycraft, K., additional, Day, D., additional, Dutta, D., additional, Fuchey, E., additional, Gal, C., additional, Garibaldi, F., additional, Gautam, T. N., additional, Gogami, T., additional, Gomez, J., additional, Guèye, P., additional, Habarakada, A., additional, Hague, T. J., additional, Hansen, J. O., additional, Hauenstein, F., additional, Henry, W., additional, Higinbotham, D. W., additional, Holt, R. J., additional, Hyde, C., additional, Itabashi, T., additional, Kaneta, M., additional, Karki, A., additional, Katramatou, A. T., additional, Keppel, C. E., additional, Khachatryan, M., additional, Khachatryan, V., additional, King, P. M., additional, Korover, I., additional, Kurbany, L., additional, Kutz, T., additional, Lashley-Colthirst, N., additional, Li, W. B., additional, Liu, H., additional, Liyanage, N., additional, Long, E., additional, Mammei, J., additional, Markowitz, P., additional, McClellan, R. E., additional, Meddi, F., additional, Meekins, D., additional, Beck, S. Mey-Tal, additional, Michaels, R., additional, Mihovilovič, M., additional, Moyer, A., additional, Nagao, S., additional, Nelyubin, V., additional, Nguyen, D., additional, Nycz, M., additional, Olson, M., additional, Ou, L., additional, Owen, V., additional, Palatchi, C., additional, Pandey, B., additional, Papadopoulou, A., additional, Park, S., additional, Paul, S., additional, Petkovic, T., additional, Pomatsalyuk, R., additional, Premathilake, S., additional, Punjabi, V., additional, Ransome, R. D., additional, Reimer, P. E., additional, Reinhold, J., additional, Riordan, S., additional, Roche, J., additional, Rodriguez, V. M., additional, Schmidt, A., additional, Schmookler, B., additional, Segarra, E. P., additional, Shahinyan, A., additional, Slifer, K., additional, Solvignon, P., additional, Širca, S., additional, Su, T., additional, Suleiman, R., additional, Szumila-Vance, H., additional, Tang, L., additional, Tian, Y., additional, Tireman, W., additional, Tortorici, F., additional, Toyama, Y., additional, Uehara, K., additional, Urciuoli, G. M., additional, Votaw, D., additional, Williamson, J., additional, Wojtsekhowski, B., additional, Wood, S., additional, Zhang, J., additional, and Zheng, X., additional
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- 2022
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76. New Measurements of the Beam-Normal Single Spin Asymmetry in Elastic Electron Scattering Over a Range of Spin-0 Nuclei
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PREX, Collaborations, CREX, Adhikari, D., Albataineh, H., Androic, D., Aniol, K., Armstrong, D. S., Averett, T., Gayoso, C. Ayerbe, Barcus, S., Bellini, V., Beminiwattha, R. S., Benesch, J. F., Bhatt, H., Pathak, D. Bhatta, Bhetuwal, D., Blaikie, B., Boyd, J., Campagna, Q., Camsonne, A., Cates, G. D., Chen, Y., Clarke, C., Cornejo, J. C., Dusa, S. Covrig, Dalton, M. M., Datta, P., Deshpande, A., Dutta, D., Feldman, C., Fuchey, E., Gal, C., Gaskell, D., Gautam, T., Gericke, M., Ghosh, C., Halilovic, I., Hansen, J. -O., Hauenstein, F., Henry, W., Horowitz, C. J., Jantzi, C., Jian, S., Johnston, S., Jones, D. C., Karki, B., Kakkar, S., Katugampola, S., Keppel, C. E., King, P. M., King, D. E., Knauss, M., Kumar, K. S., Kutz, T., Lashley-Colthirst, N., Leverick, G., Liu, H., Liyange, N., Malace, S., Mammei, J., Mammei, R., McCaughan, M., McNulty, D., Meekins, D., Metts, C., Michaels, R., Mihovilovic, M., Mondal, M. M., Napolitano, J., Nikolaev, D., Rashad, M. N. H., Owen, V., Palatchi, C., Pan, J., Pandey, B., Park, S., Paschke, K. D., Petrusky, M., Pitt, M. L., Premathilake, S., Puckett, A. J. R., Quinn, B., Radloff, R., Rahman, S., Rathnayake, A., Reed, B. T., Reimer, P. E., Richards, R., Riordan, S., Roblin, Y., Seeds, S., Shahinyan, A., Souder, P. A., Tang, L., Thiel, M., Tian, Y., Urciuoli, G. M., Wertz, E. W., Wojtsekhowski, B., Xiong, W., Yale, B., Ye, T., Zec, A., Zhang, W., Zhang, J., and Zheng, X.
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General Physics and Astronomy ,FOS: Physical sciences ,Nuclear Experiment (nucl-ex) ,single spin asymmetry, elastic electron scattering ,Nuclear Experiment - Abstract
We report precision determinations of the beam normal single spin asymmetries ($A_n$) in the elastic scattering of 0.95 and 2.18~GeV electrons off $^{12}$C, $^{40}$Ca, $^{48}$Ca, and $^{208}$Pb at very forward angles where the most detailed theoretical calculations have been performed. The first measurements of $A_n$ for $^{40}$Ca and $^{48}$Ca are found to be similar to that of $^{12}$C, consistent with expectations thus demonstrating the validity of theoretical calculations for nuclei with Z~$\leq20$. We also report $A_n$ for $^{208}$Pb at two new momentum transfers (Q$^2$) extending the previous measurement. Our new data confirm the surprising result previously reported, with all three data points showing significant disagreement with the results from the $Z\leq 20$ nuclei. These data confirm our basic understanding of the underlying dynamics that govern $A_n$ for nuclei containing $\lesssim 50$ nucleons, but point to the need for further investigation to understand the unusual $A_n$ behaviour discovered for scattering off $^{208}$Pb., Comment: 7 pages, 2 figures
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- 2022
77. Probing for high-momentum protons in $^{4}\mathrm{He}$ via the $^{4}\mathrm{He}(e,{e}^{'}p)X$ reactions
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Iqbal, S., Benmokhtar, F., Ivanov, M., See, N., Aniol, K., Higinbotham, D.W., Boyd, C., Gadsby, A., Goodwill, J.S., Finton, D., Boyer, A., Gilad, S., Saha, A., Udias, J.M., Ye, Z., Solvignon, P., Aguilera, P., Ahmed, Z., Albataineh, H., Allada, K., Anderson, B., Anez, D., Annand, J., Arrington, J., Averett, T., Baghdasaryan, H., Bai, X., Beck, A., Beck, S., Bellini, V., Camsonne, A., Chen, C., Chen, J.-P., Chirapatpimol, K., Cisbani, E., Dalton, M.M., Daniel, A., Day, D., Deconinck, W., Defurne, M., Flay, D., Fomin, N., Friend, M., Frullani, S., Fuchey, E., Garibaldi, F., Gaskell, D., Gilman, R., Glamazdin, S., Gu, C., Guèye, P., Hanretty, C., Hansen, J.-O., Hashemi Shabestari, M., Huang, M., Jin, G., Kalantarians, N., Kang, H., Kelleher, A., Korover, I., Lerose, J., Leckey, J., Lindgren, R., Long, E., Mammei, J., Margaziotis, D.J., Markowitz, P., Meekins, D., Meziani, Z., Michaels, R., Mihovilovic, M., Muangma, N., Munoz Camacho, C., Norum, B., Nuruzzaman, M., Pan, K., Phillips, S., Piasetzky, E., Pomerantz, I., Posik, M., Punjabi, V., Qian, X., Qiang, Y., Qiu, X., Reimer, P.E., Rakhman, A., Riordan, S., Ron, G., Rondon-Aramayo, O., Selvy, L., Shahinyan, A., Shneor, R., Sirca, S., Slifer, K., Sparveris, N., Subedi, R., Sulkosky, V., Wang, D., Watson, J.W., Weinstein, L.B., Wojtsekhowski, B., Wood, S.A., Yaron, I., Zhan, X., Zhang, J., Zhang, Y.W., Zhao, B., Zheng, X., Zhu, P., Zielinski, R., Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), and Jefferson Lab Hall A
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[PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th] - Abstract
International audience; Experimental cross sections for the He4(e,e′p)X reactions in the missing energy range from 0.017 to 0.022 GeV and up to a missing momentum of 0.632 GeV/c at xB=1.24 and Q2=2 (GeV/c)2 are reported. The data are compared to relativistic distorted-wave impulse approximation calculations for the He4(e,e′p)H3 channel. Significantly more events are observed for pm≥0.45 GeV/c than are predicted by the theoretical model, and striking fluctuations in the ratio of data to the theoretical model around pm=0.3GeV/c are possible signals of initial-state multinucleon correlations.
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- 2022
78. Probing Cold Dense Nuclear Matter
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Subedi, R., Shneor, R., Monaghan, P., Anderson, B. D., Aniol, K., Annand, J., Arrington, J., Benaoum, H., Benmokhtar, F., Boeglin, W., Chen, J.-P., Choi, Seonho, Cisbani, E., Craver, B., Frullani, S., Garibaldi, F., Gilad, S., Gilman, R., Glamazdin, O., Hansen, J.-O., Higinbotham, D. W., Holmstrom, T., Ibrahim, H., Igarashi, R., de Jager, C. W., Jans, E., Jiang, X., Kaufman, L. J., Kelleher, A., Kolarkar, A., Kumbartzki, G., LeRose, J. J., Lindgren, R., Liyanage, N., Margaziotis, D. J., Markowitz, P., Marrone, S., Mazouz, M., Meekins, D., Michaels, R., Moffit, B., Perdrisat, C. F., Piasetzky, E., Potokar, M., Punjabi, V., Qiang, Y., Reinhold, J., Ron, G., Rosner, G., Saha, A., Sawatzky, B., Shahinyan, A., Sirca, S., Slifer, K., Solvignon, P., Sulkosky, V., Urciuoli, G. M., Voutier, E., Watson, J. W., Weinstein, L. B., Wojtsekhowski, B., Wood, S., Zheng, X.-C., and Zhu, L.
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- 2008
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79. ESICM LIVES 2016: part one: Milan, Italy. 1-5 October 2016
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Bos, L., Schouten, L., van Vught, L., Wiewel, M., Ong, D., Cremer, O., Artigas, A., Martin-Loeches, I., Hoogendijk, A., van der Poll, T., Horn, J., Juffermans, N., Schultz, M., de Prost, N., Pham, T., Carteaux, G., Dessap, A. Mekontso, Brun-Buisson, C., Fan, E., Bellani, G., Laffey, J., Mercat, A., Brochard, L., Maitre, B., Howells, P. A., Thickett, D. R., Knox, C., Park, D. P., Gao, F., Tucker, O., Whitehouse, T., McAuley, D. F., Perkins, G. D., Pham, T., Laffey, J., Bellani, G., Fan, E., Pisani, L., Roozeman, J. P., Simonis, F. D., Giangregorio, A., Schouten, L. R., Van der Hoeven, S. M., Horn, J., Neto, A. Serpa, Festic, E., Dondorp, A. M., Grasso, S., Bos, L. D., Schultz, M. J., Koster-Brouwer, M., Verboom, D., Scicluna, B., van de Groep, K., Frencken, J., Schultz, M., van der Poll, T., Bonten, M., Cremer, O., Ko, J. I., Kim, K. S., Suh, G. J., Kwon, W. Y., Kim, K., Shin, J. H., Ranzani, O. T., Prina, E., Menendez, R., Ceccato, A., Mendez, R., Cilloniz, C., Gabarrus, A., Ferrer, M., Torres, A., Urbano, A., Zhang, L. A., Swigon, D., Pike, F., Parker, R. S., Clermont, G., Scheer, C., Kuhn, S. O., Modler, A., Vollmer, M., Fuchs, C., Hahnenkamp, K., Rehberg, S., Gründling, M., Taggu, A., Darang, N., Öveges, N., László, I., Tánczos, K., Németh, M., Lebák, G., Tudor, B., Érces, D., Kaszaki, J., Huber, W., Trásy, D., Molnár, Z., Ferrara, G., Edul, V. S. Kanoore, Canales, H. S., Martins, E., Canullán, C., Murias, G., Pozo, M. O., Eguillor, J. F. Caminos, Buscetti, M. G., Ince, C., Dubin, A., Aya, H. D., Rhodes, A., Fletcher, N., Grounds, R. M., Cecconi, M., Jacquet-Lagrèze, M., Riche, M., Schweizer, R., Portran, P., Fornier, W., Lilot, M., Neidecker, J., Fellahi, J. L., Escoresca-Ortega, A., Gutiérrez-Pizarraya, A., Charris-Castro, L., Corcia-Palomo, Y., Fernandez-Delgado, E., Garnacho-Montero, J., Roger, C., Muller, L., Elotmani, L., Lipman, J., Lefrant, J. Y., Roberts, J. A., Muñoz-Bermúdez, R., Samper, M., Climent, C., Vasco, F., Sara, V., Luque, S., Campillo, N., Cerrato, S. Grau, Masclans, J. R., Alvarez-Lerma, F., Brugger, S. Carvalho, Jimenez, G. Jimenez, Torner, M. Miralbés, Cabello, J. Trujillano, Garrido, B. Balsera, Casals, X. Nuvials, Gaite, F. Barcenilla, Vidal, M. Vallverdú, Martínez, M. Palomar, Gusarov, V., Shilkin, D., Dementienko, M., Nesterova, E., Lashenkova, N., Kuzovlev, A., Zamyatin, M., Demoule, A., Carreira, S., Lavault, S., Palancca, O., Morawiec, E., Mayaux, J., Arnulf, I., Similowski, T., Rasmussen, B. S., Maltesen, R. G., Hanifa, M., Pedersen, S., Kristensen, S. R., Wimmer, R., Panigada, M., Bassi, G. Li, Ranzani, O. T., Kolobow, T., Zanella, A., Cressoni, M., Berra, L., Parrini, V., Kandil, H., Salati, G., Livigni, S., Amatu, A., Andreotti, A., Tagliaferri, F., Moise, G., Mercurio, G., Costa, A., Vezzani, A., Lindau, S., Babel, J., Cavana, M., Consonni, D., Pesenti, A., Gattinoni, L., Torres, A., Mansouri, P., Zand, F., Zahed, L., Dehghanrad, F., Bahrani, M., Ghorbani, M., Cambiaghi, B., Moerer, O., Mauri, T., Kunze-Szikszay, N., Ritter, C., Pesenti, A., Quintel, M., Vilander, L. M., Kaunisto, M. A., Vaara, S. T., Pettilä, V., Mulier, J. L. G. Haitsma, Rozemeijer, S., Spoelstra-de Man, A. M. E., Elbers, P. E., Tuinman, P. R., de Waard, M. C., Oudemans-van Straaten, H. M., Liberatore, A. M. A., Souza, R. B., Martins, A. M. C. R. P. F., Vieira, J. C. F., Koh, I. H. J., Martínez, M. Galindo, Sánchez, R. Jiménez, Gascón, L. Martínez, Mulero, M. D. Rodríguez, Freire, A. Ortín, Muñoz, A. Ojados, Acebes, S. Rebollo, Martínez, Á. Fernández, Aliaga, S. Moreno, Para, L. Herrera, Payá, J. Murcia, Mulero, F. Rodríguez, Guerci, P., Ince, Y., Heeman, P., Ergin, B., Ince, C., Uz, Z., Massey, M., Ince, Y., Papatella, R., Bulent, E., Guerci, P., Toraman, F., Ince, C., Longbottom, E. R., Torrance, H. D., Owen, H. C., Hinds, C. J., Pearse, R. M., O’Dywer, M. J., Trogrlic, Z., van der Jagt, M., Lingsma, H., Ponssen, H. H., Schoonderbeek, J. F., Schreiner, F., Verbrugge, S. J., Duran, S., van Achterberg, T., Bakker, J., Gommers, D. A. M. P. J., Ista, E., Krajčová, A., Waldauf, P., Duška, F., Shah, A., Roy, N., McKechnie, S., Doree, C., Fisher, S., Stanworth, S. J., Jensen, J. F., Overgaard, D., Bestle, M. H., Christensen, D. F., Egerod, I., Pivkina, A., Gusarov, V., Zhivotneva, I., Pasko, N., Zamyatin, M., Jensen, J. F., Egerod, I., Bestle, M. H., Christensen, D. F., Alklit, A., Hansen, R. L., Knudsen, H., Grode, L. B., Overgaard, D., Hravnak, M., Chen, L., Dubrawski, A., Clermont, G., Pinsky, M. R., Parry, S. M., Knight, L. D., Connolly, B. C., Baldwin, C. E., Puthucheary, Z. A., Denehy, L., Hart, N., Morris, P. E., Mortimore, J., Granger, C. L., Jensen, H. I., Piers, R., Van den Bulcke, B., Malmgren, J., Metaxa, V., Reyners, A. K., Darmon, M., Rusinova, K., Talmor, D., Meert, A. P., Cancelliere, L., Zubek, L., Maia, P., Michalsen, A., Decruyenaere, J., Kompanje, E., Vanheule, S., Azoulay, E., Vansteelandt, S., Benoit, D., Van den Bulcke, B., Piers, R., Jensen, H. I., Malmgren, J., Metaxa, V., Reyners, A. K., Darmon, M., Rusinova, K., Talmor, D., Meert, A. P., Cancelliere, L., Zubek, L., Maia, P., Michalsen, A., Decruyenaere, J., Kompanje, E., Vanheule, S., Azoulay, E., Vansteelandt, S., Benoit, D., Ryan, C., Dawson, D., Ball, J., Noone, K., Aisling, B., Prudden, S., Ntantana, A., Matamis, D., Savvidou, S., Giannakou, M., Gouva, M., Nakos, G., Koulouras, V., Aron, J., Lumley, G., Milliken, D., Dhadwal, K., McGrath, B. A., Lynch, S. J., Bovento, B., Sharpe, G., Grainger, E., Pieri-Davies, S., Wallace, S., McGrath, B., Lynch, S. J., Bovento, B., Grainger, E., Pieri-Davies, S., Sharpe, G., Wallace, S., Jung, M., Cho, J., Park, H., Suh, G., Kousha, O., Paddle, J., Gripenberg, L. Gamrin, Rehal, M. Sundström, Wernerman, J., Rooyackers, O., de Grooth, H. J., Choo, W. P., Spoelstra-de Man, A. M., Swart, E. L., Oudemans-van Straaten, H. M., Talan, L., Güven, G., Altıntas, N. D., Padar, M., Uusvel, G., Starkopf, L., Starkopf, J., Blaser, A. Reintam, Kalaiselvan, M. S., Arunkumar, A. S., Renuka, M. K., Shivkumar, R. L., Volbeda, M., ten Kate, D., Hoekstra, M., van der Maaten, J. M., Nijsten, M. W., Komaromi, A., Rooyackers, O., Wernerman, J., Norberg, Å., Smedberg, M., Mori, M., Pettersson, L., Norberg, Å., Rooyackers, O., Wernerman, J., Theodorakopoulou, M., Christodoulopoulou, T., Diamantakis, A., Frantzeskaki, F., Kontogiorgi, M., Chrysanthopoulou, E., Lygnos, M., Diakaki, C., Armaganidis, A., Gundogan, K., Dogan, E., Coskun, R., Muhtaroglu, S., Sungur, M., Ziegler, T., Guven, M., Kleyman, A., Khaliq, W., Andreas, D., Singer, M., Meierhans, R., Schuepbach, R., De Brito-Ashurst, I., Zand, F., Sabetian, G., Nikandish, R., Hagar, F., Masjedi, M., Maghsudi, B., Vazin, A., Ghorbani, M., Asadpour, E., Kao, K. C., Chiu, L. C., Hung, C. Y., Chang, C. H., Li, S. H., Hu, H. C., El Maraghi, S., Ali, M., Rageb, D., Helmy, M., Marin-Corral, J., Vilà, C., Masclans, J. R., Vàzquez, A., Martín-Loeches, I., Díaz, E., Yébenes, J. C., Rodriguez, A., Álvarez-Lerma, F., Varga, N., Cortina-Gutiérrez, A., Dono, L., Martínez-Martínez, M., Maldonado, C., Papiol, E., Pérez-Carrasco, M., Ferrer, R., Nweze, K., Morton, B., Welters, I., Houard, M., Voisin, B., Ledoux, G., Six, S., Jaillette, E., Nseir, S., Romdhani, S., Bouneb, R., Loghmari, D., Aicha, N. Ben, Ayachi, J., Meddeb, K., Chouchène, I., Khedher, A., Boussarsar, M., Chan, K. S., Yu, W. L., Marin-Corral, J., Vilà, C., Masclans, J. R., Nolla, J., Vidaur, L., Bonastre, J., Suberbiola, B., Guerrero, J. E., Rodriguez, A., Coll, N. Ramon, Jiménez, G. Jiménez, Brugger, S. Carvalho, Calero, J. Codina, Garrido, B. Balsera, García, M., Martínez, M. Palomar, Vidal, M. Vallverdú, de la Torre, M. C., Vendrell, E., Palomera, E., Güell, E., Yébenes, J. C., Serra-Prat, M., Bermejo-Martín, J. F., Almirall, J., Tomas, E., Escoval, A., Froe, F., Pereira, M. H. Vitoria, Velez, N., Viegas, E., Filipe, E., Groves, C., Reay, M., Chiu, L. C., Hu, H. C., Hung, C. Y., Chang, C. H., Li, S. H., Kao, K. C., Ballin, A., Facchin, F., Sartori, G., Zarantonello, F., Campello, E., Radu, C. M., Rossi, S., Ori, C., Simioni, P., Umei, N., Shingo, I., Santos, A. C., Candeias, C., Moniz, I., Marçal, R., e Silva, Z. Costa, Ribeiro, J. M., Georger, J. F., Ponthus, J. P., Tchir, M., Amilien, V., Ayoub, M., Barsam, E., Martucci, G., Panarello, G., Tuzzolino, F., Capitanio, G., Ferrazza, V., Carollo, T., Giovanni, L., Arcadipane, A., Sánchez, M. López, González-Gay, M. A., Díaz, F. J. Llorca, López, M. I. Rubio, Zogheib, E., Villeret, L., Nader, J., Bernasinski, M., Besserve, P., Caus, T., Dupont, H., Morimont, P., Habran, S., Hubert, R., Desaive, T., Blaffart, F., Janssen, N., Guiot, J., Pironet, A., Dauby, P., Lambermont, B., Zarantonello, F., Ballin, A., Facchin, F., Sartori, G., Campello, E., Pettenuzzo, T., Citton, G., Rossi, S., Simioni, P., Ori, C., Kirakli, C., Ediboglu, O., Ataman, S., Yarici, M., Tuksavul, F., Keating, S., Gibson, A., Gilles, M., Dunn, M., Price, G., Young, N., Remeta, P., Bishop, P., Zamora, M. D. Fernández, Muñoz-Bono, J., Curiel-Balsera, E., Aguilar-Alonso, E., Hinojosa, R., Gordillo-Brenes, A., Arboleda-Sánchez, J. A., Skorniakov, I., Vikulova, D., Whiteley, C., Shaikh, O., Jones, A., Ostermann, M., Forni, L., Scott, M., Sahatjian, J., Linde-Zwirble, W., Hansell, D., Laoveeravat, P., Srisawat, N., Kongwibulwut, M., Peerapornrattana, S., Suwachittanont, N., Wirotwan, T. 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C., Tang, Z., Qiu, C., Tong, L., Cai, C., Theodorakopoulou, M., Diamantakis, A., Kontogiorgi, M., Chrysanthopoulou, E., Christodoulopoulou, T., Frantzeskaki, F., Lygnos, M., Apostolopoulou, O., Armaganidis, A., Moon, J. Y., Park, M. R., Kwon, I. S., Chon, G. R., Ahn, J. Y., Kwon, S. J., Chang, Y. J., Lee, J. Y., Yoon, S. Y., Lee, J. W., Kostalas, M., Mckinlay, J., Kooner, G., Dudas, G., Horton, A., Kerr, C., Karanjia, N., Creagh-Brown, B., Altintas, N. D., Izdes, S., Keremoglu, O., Alkan, A., Neselioglu, S., Erel, O., Tardif, N., Gustafsson, T., Rooyackers, O., MacEachern, K. N., Traille, M., Bromberg, I., Lapinsky, S. E., Moore, M. J., Tang, Z., Cai, C., Tong, L., García-Garmendia, J. L., Villarrasa-Clemente, F., Maroto-Monserrat, F., Rufo-Tejeiro, O., Jorge-Amigo, V., Sánchez-Santamaría, M., Colón-Pallarés, C., Barrero-Almodóvar, A., Gallego-Lara, S., Anthon, C. T., Müller, R. B., Haase, N., Møller, K., Hjortrup, P. B., Wetterslev, J., Perner, A., Nakanishi, M., Kuriyama, A., Fukuoka, T., Abd el Halim, M. A., Elsaid hafez, M. H., Moktar, A. M., Eladawy, A., Elazizy, H. M., Hakim, K. Abdel, Chaari, A., Elbahr, M., Ismail, M., Mahmoud, T., Kauts, V., Bousselmi, K., Khalil, E., Casey, W., Zaky, S. H., Rizk, A., Elghonemi, M. O., Ahmed, R., Vieira, J. C. F., Souza, R. B., Liberatore, A. M. A., Koh, I. H. J., Ospina-Tascón, G. A., Marin, A. F. Garcia, Echeverry, G. J., Bermudez, W. F., Madriñan-Navia, H. J., Valencia, J. D., Quiñonez, E., Marulanda, A., Arango-Dávila, C. A., Bruhn, A., Hernandez, G., De Backer, D., Cortes, D. Orbegozo, Su, F., Vincent, J. L., Creteur, J., Tullo, L., Mirabella, L., Di Molfetta, P., Cinnella, G., Dambrosio, M., Lujan, C. Villavicencio, irigoyen, J. Leache, Cartanya ferré, M., García, R. Carbonell, Mukhtar, A., Ahmed, M., El Ayashi, M., Hasanin, A., Ayman, E., Salem, M., Eladawy, A., Fathy, S., Nassar, H., Zaghlol, A., Arzapalo, M. F. Aguilar, Valsø, Å., Sunde, K., Rustøen, T., Schou-Bredal, I., Skogstad, L., Tøien, K., Padilla, C., Palmeiro, Y., Egbaria, W., Kigli, R., Maertens, B., Blot, K., Blot, S., Santana-Santos, E., dos Santos, E. R., Ferretti-Rebustini, R. E. D. L., dos Santos, R. D. C. C. D. O., Verardino, R. G. S., Bortolotto, L. A., Doyle, A. M., Naldrett, I., Tillman, J., Price, S., Shrestha, S., Pearson, P., Greaves, J., Goodall, D., Berry, A., Richardson, A., Odundo, G. O., Omengo, P., Obonyo, P., Chanzu, N. M., Kleinpell, R., Sarris, S. J., Nedved, P., Heitschmidt, M., Ben-Ghezala, H., Snouda, S., Djobbi, S., Ben-Ghezala, H., Snouda, S., Rose, L., Adhikari, N. K. J., Leasa, D., Fergusson, D., Mckim, D. A., Weblin, J., Tucker, O., McWilliams, D., Doesburg, F., Cnossen, F., Dieperink, W., Bult, W., Nijsten, M. W. N., Galvez-Blanco, G. A., Zepeda, E. Monares, Guzman, C. I. Olvera, Sánchez, J. S. Aguirre, Granillo, J. Franco, Stroud, J. Santos, Thomson, R., Llaurado-Serra, M., Lobo-Civico, A., Pi-Guerrero, M., Blanco-Sanchez, I., Piñol-Tena, A., Paños-Espinosa, C., Alabart-Segura, Y., Coloma-Gomez, B., Fernandez-Blanco, A., Braga-Dias, F., Treso-Geira, M., Valeiras-Valero, A., Martinez-Reyes, L., Sandiumenge, A., Jimenez-Herrera, M. F., Prada, R., Juárez, P., Argandoña, R., Díaz, J. J., Ramirez, C. Sánchez, Saavedra, P., Santana, S. Ruiz, Obukhova, O., Kashiya, S., Kurmukov, I. A., Pronina, A. M., Simeone, P., Puybasset, L., Auzias, G., Coulon, O., Lesimple, B., Torkomian, G., Velly, L., Bienert, A., Bartkowska-Sniatkowska, A., Wiczling, P., Szerkus, O., Siluk, D., Bartkowiak-Wieczorek, J., Rosada-Kurasinska, J., Warzybok, J., Borsuk, A., Kaliszan, R., Grzeskowiak, E., Caballero, C. Hernandez, Roberts, S., Isgro, G., Hall, D., Guillaume, G., Passouant, O., Dumas, F., Bougouin, W., Champigneulle, B., Arnaout, M., Chelly, J., Chiche, J. D., Varenne, O., Mira, J. P., Marijon, E., Cariou, A., Beerepoot, M., Touw, H. R., Parlevliet, K., Boer, C., Elbers, P. W., Tuinman, P. R., Reina, Á. J. Roldán, Palomo, Y. Corcia, Bermúdez, R. Martín, Villén, L. Martín, García, I. Palacios, Izurieta, J. R. Naranjo, Bernal, J. B. Pérez, Jiménez, F. J. Jiménez, Cota-Delgado, F., de la Torre-Prados, M. V., Fernández-Porcel, A., Nuevo-Ortega, P., Cámara-Sola, E., Tsvetanova-Spasova, T., Rueda-Molina, C., Salido-Díaz, L., García-Alcántara, A., Kaneko, T., Tanaka, H., Kamikawa, M., Karashima, R., Iwashita, S., Irie, H., Kasaoka, S., Arola, O., Laitio, R., Saraste, A., Airaksinen, J., Pietilä, M., Hynninen, M., Wennervirta, J., Bäcklund, M., Ylikoski, E., Silvasti, P., Nukarinen, E., Grönlund, J., Harjola, V. P., Niiranen, J., Korpi, K., Varpula, M., Roine, R. O., Laitio, T., Salah, S., Hassen, B. G., Fehmi, A. Mohamed, Kim, S., Hsu, Y. C., Barea-Mendoza, J., García-Fuentes, C., Castillo-Jaramillo, M., Dominguez-Aguado, H., Viejo-Moreno, R., Terceros-Almanza, L., Aznárez, S. Bermejo, Mudarra-Reche, C., Xu, W., Chico-Fernández, M., Montejo-González, J. C., Crewdson, K., Thomas, M., Merghani, M., Fenner, L., Morgan, P., Lockey, D., van Lieshout, E. J., Oomen, B., Binnekade, J. M., Dongelmans, D. A., de Haan, R. J., Juffermans, N. P., Vroom, M. B., Algarte, R., Martínez, L., Sánchez, B., Romero, I., Martínez, F., Quintana, S., Trenado, J., Sheikh, O., Pogson, D., Clinton, R., Riccio, F., Gemmell, L., MacKay, A., Arthur, A., Young, L., Sinclair, A., Markopoulou, D., Venetsanou, K., Filippou, L., Salla, E., Stratouli, S., Alamanos, I., Guirgis, A. H., Rodriguez, R. Gutiérrez, Lorente, M. J. Furones, Guarasa, I. Macias, Ukere, A., Meisner, S., Greiwe, G., Opitz, B., Benten, D., Nashan, B., Fischer, L., Trepte, C. J. C., Reuter, D. A., Haas, S. A., Behem, C. R., Tavazzi, G., Ana, B., Vazir, A., Gibson, D., Price, S., Masjedi, M., Hadavi, M. R., alam, M. Riahi, Sasani, M. R., Parenti, N., Agrusta, F., Palazzi, C., Pifferi, B., Sganzerla, R., Tagliazucchi, F., Luciani, A., Möller, M., Müller-Engelmann, J., Montag, G., Adams, P., Lange, C., Neuzner, J., Gradaus, R., Wodack, K. H., Thürk, F., Waldmann, A. D., Grässler, M. F., Nishimoto, S., Böhm, S. H., Kaniusas, E., Reuter, D. A., Trepte, C. J., Sigmundsson, T., Öhman, T., Redondo, E., Hallbäck, M., Wallin, M., Sipman, F. Suarez, Oldner, A., Sander, C. Hällsjö, Björne, H., Colinas, L., Hernandez, G., Vicho, R., Serna, M., Cuena, R., Canabal, A., Chaari, A., Hakim, K. Abdel, Etman, M., El Bahr, M., El Sakka, A., Bousselmi, K., Arali, A., Kauts, V., Casey, W. F., Bond, O., De Santis, P., Iesu, E., Franchi, F., Vincent, J. L., Creteur, J., Scolletta, S., Taccone, F. S., Marutyan, Z., Hamidova, L., Shakotko, A., Movsisyan, V., Uysupova, I., Evdokimov, A., Petrikov, S., Gonen, C., Haftacı, E., Balci, C., Calvo, F. J. Redondo, Bejarano, N., Baladron, V., Villazala, R., Redondo, J., Padilla, D., Villarejo, P., Akcan-Arikan, A., Kennedy, C. E., Arzapalo, M. F. Aguilar, Gomez-Gonzalez, C., Mas-Font, S., Puppo-Moreno, A., Herrera-Gutierrez, M., Garcia-Garcia, M., Aldunate-Calvo, S., Plata-Menchaca, E. P., Pérez-Fernández, X. L., Estruch, M., Betbese-Roig, A., Campos, P. Cárdenas, Lora, M. Rojas, Gaibor, N. D. Toapanta, Medina, R. S. Contreras, Sanguino, V. D. Gumucio, Casanova, E. J., Riera, J. Sabater, Kritmetapak, K., Peerapornratana, S., Kittiskulnam, P., Dissayabutra, T., Tiranathanagul, K., Susantithapong, P., Praditpornsilpa, K., Tungsanga, K., Eiam-Ong, S., Srisawat, N., Winkelmann, T., Busch, T., Meixensberger, J., Bercker, S., Cabeza, E. M. Flores, Sánchez, M. Sánchez, Giménez, N. Cáceres, Melón, C. Gutierrez, de Lucas, E. Herrero, Estañ, P. Millán, Bernal, M. Hernández, de Lorenzo y Mateos, A. Garcia, Ergin, B., Guerci, P., Specht, P. A. C., Ince, Y., Ince, C., Balik, M., Zakharchenko, M., Los, F., Brodska, H., de Tymowski, C., Augustin, P., Desmard, M., Montravers, P., Stapel, S. N., de Boer, R., Oudemans, H. M., Hollinger, A., Schweingruber, T., Jockers, F., Dickenmann, M., Siegemund, M., Runciman, N., Ralston, M., Appleton, R., Mauri, T., Alban, L., Turrini, C., Sasso, T., Langer, T., Panigada, M., Taccone, P., Carlesso, E., Marenghi, C., Grasselli, G., Pesenti, A., Wibart, P., Reginault, T., Garcia, M., Barbrel, B., Benard, A., Bader, C., Vargas, F., Bui, H. N., Hilbert, G., Simón, J. M. Serrano, Sánchez, P. Carmona, Ferrón, F. Ruiz, de Acilu, M. García, Marin, J., Antonia, V., Ruano, L., Monica, M., Ferrer, R., Masclans, J. R., Roca, O., Hong, G., Kim, D. H., Kim, Y. S., Park, J. S., Jee, Y. K., xiang, Z. Yu, Jia-xing, W., dan, W. Xiao, long, N. Wen, Yu, W., Yan, Z., Cheng, X., Kobayashi, T., Onodera, Y., Akimoto, R., Sugiura, A., Suzuki, H., Iwabuchi, M., Nakane, M., Kawamae, K., Sanchez, P. Carmona, Rodriguez, M. D. Bautista, Delgado, M. Rodriguez, Sánchez, V. Martínez de Pinillos, Gómez, A. Mula, Simón, J. M. Serrano, Beuret, P., Fortes, C., Lauer, M., Reboul, M., Chakarian, J. C., Fabre, X., Philippon-Jouve, B., Devillez, S., Clerc, M., Rittayamai, N., Sklar, M., Dres, M., Rauseo, M., Campbell, C., West, B., Tullis, D. E., Brochard, L., Onodera, Y., Akimoto, R., Suzuki, H., Okada, M., Nakane, M., Kawamae, K., Ahmad, N., Wood, M., Glossop, A., Lucas, J. Higuera, Ortiz, A. Blandino, Alonso, D. Cabestrero, De Pablo Sánchez, R., González, L. Rey, Costa, R., Spinazzola, G., Pizza, A., Ferrone, G., Rossi, M., Antonelli, M., Conti, G., Ribeiro, H., Alves, J., Sousa, M., Reis, P., Socolovsky, C. S., Cauley, R. P., Frankel, J. E., Beam, A. L., Olaniran, K. O., Gibbons, F. K., Christopher, K. B., Pennington, J., Zolfaghari, P., King, H. S., Kong, H. H. Y., Shum, H. P., Yan, W. W., Kaymak, C., Okumus, N., Sari, A., Erdogdu, B., Aksun, S., Basar, H., Ozcan, A., Ozcan, N., Oztuna, D., Malmgren, J. A., Lundin, S., Torén, K., Eckerström, M., Wallin, A., Waldenström, A. C., Riccio, F. C., Pogson, D., Antonio, A. C. P., Leivas, A. F., Kenji, F., James, E., Morgan, P., Carroll, G., Gemmell, L., MacKay, A., Wright, C., Ballantyne, J., Jonnada, S., Gerrard, C. S., Jones, N., Salciccioli, J. D., Marshall, D. C., Komorowski, M., Hartley, A., Sykes, M. C., Goodson, R., Shalhoub, J., Villanueva, J. R. Fernández, Garda, R. Fernández, Lago, A. M. López, Ruiz, E. Rodríguez, Vaquero, R. Hernández, Rodríguez, C. Galbán, Pérez, E. Varo, Hilasque, C., Oliva, I., Sirgo, G., Martin, M. C., Olona, M., Gilavert, M. C., Bodí, M., Ebm, C., Aggarwal, G., Huddart, S., Quiney, N., Cecconi, M., Fernandes, S. M., Silva, J. Santos, Gouveia, J., Silva, D., Marques, R., Bento, H., Alvarez, A., Silva, Z. Costa, Diaz, D. Díaz, Martínez, M. Villanova, Herrejon, E. Palencia, de la Gandara, A. Martinez, Gonzalo, G., Lopez, M. A., de Gopegui Miguelena, P. Ruíz, Matilla, C. I. Bernal, Chueca, P. Sánchez, Longares, M. D. C. Rodríguez, Abril, R. Ramos, Aguilar, A. L. Ruíz, de Murillas, R. Garrido López, Fernández, R. Fernández, Laborías, P. Morales, Castellanos, M. A. Díaz, Laborías, M. E. Morales, Cho, J., Kim, J., Park, J., Woo, S., West, T., Powell, E., Rimmer, A., Orford, C., Jones, N., Williams, J., Matilla, C. I. Bernal, de Gopegui Miguelena, P. Ruiz, Chueca, P. Sánchez, Abril, R. Ramos, Longares, M. D. C. Rodríguez, Aguilar, A. L. Ruíz, de Murillas, R. Garrido López, Bourne, R. S., Shulman, R., Tomlin, M., Mills, G. H., Borthwick, M., Berry, W., Huertas, D. García, Manzano, F., Villagrán-Ramírez, F., Ruiz-Perea, A., Rodríguez-Mejías, C., Santiago-Ruiz, F., Colmenero-Ruiz, M., König, C., Matt, B., Kortgen, A., Hartog, C. S., Wong, A., Balan, C., Barker, G., Srisawat, N., Peerapornratana, S., Laoveeravat, P., Tachaboon, S., Eiam-ong, S., Paratz, J., Kayambu, G., Boots, R., Arzapalo, M. F. Aguilar, Vlasenko, R., Gromova, E., Loginov, S., Kiselevskiy, M., Dolgikova, Y., Tang, K. B., Chau, C. M., Lam, K. N., Gil, E., Suh, G. Y., Park, C. M., Park, J., Chung, C. R., Lee, C. T., Chao, A., Shih, P. Y., Chang, Y. F., Lai, C. H., Hsu, Y. C., Yeh, Y. C., Cheng, Y. J., Colella, V., Zarrillo, N., D’Amico, M., Forfori, F., Pezza, B., Laddomada, T., Beltramelli, V., Pizzaballa, M. L., Doronzio, A., Balicco, B., Kiers, D., van der Heijden, W., Gerretsen, J., de Mast, Q., el Messaoudi, S., Rongen, G., Gomes, M., Kox, M., Pickkers, P., Riksen, N. P., Kashiwagi, Y., Okada, M., Hayashi, K., Inagaki, Y., Fujita, S., Nakamae, M. N., Kang, Y. R., Souza, R. B., Liberatore, A. M. A., Koh, I. H. J., Blet, A., Sadoune, M., Lemarié, J., Bihry, N., Bern, R., Polidano, E., Merval, R., Launay, J. M., Lévy, B., Samuel, J. L., Mebazaa, A., Hartmann, J., Harm, S., and Weber, V.
- Published
- 2016
- Full Text
- View/download PDF
80. Probing for high momentum protons in $^4$He via the $^4He(e,e'p)X$ reaction
- Author
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Iqbal, S., Benmokhtar, F., Ivanov, M., See, N., Aniol, K., Higinbotham, D. W., Boyd, C., Gadsby, A., Gilad, S., Saha, A., Udias, J. M., Goodwill, J. S., Finton, D., Boyer, A., Ye, Z., Solvignon, P., Aguilera, P., Ahmed, Z., Albataineh, H., Allada, K., Anderson, B., Anez, D., Annand, J., Arrington, J., Averett, T., Baghdasaryan, H., Bai, X., Beck, A., Beck, S., Bellini, V., Camsonne, A., Chen, C., Chen, J. -P., Chirapatpimol, K., Cisbani, E., Dalton, M. M., Daniel, A., Day, D., Deconinck, W., Defurne, M., Flay, D., Fomin, N., Friend, M., Frullani, S., Fuchey, E., Garibaldi, F., Gaskell, D., Gilman, R., Glamazdin, S., Gu, C., Gueye, P., Hanretty, C., Hansen, J. -O., Shabestari, M. Hashemi, Huang, M., Jin, G., Kalantarians, N., Kang, H., Kelleher, A., Korover, I., LeRose, J., Leckey, J., Lindgren, R., Long, E., Mammei, J., Margaziotis, D. J., Markowitz, P., Meekins, D., Meziani, Z., Michaels, R., Mihovilovic, M., Muangma, N., Camacho, C. Munoz, Norum, B., Nuruzzaman, Nuruzzaman, Pan, K., Phillips, S., Piasetzky, E., Pomerantz, I., Posik, M., Punjabi, V., Qian, X., Qiang, Y., Qiu, X., Reimer, P. E., Rakhman, A ., Riordan, S., Ron, G., Rondon-Aramayo, O., Selvy, L., Shahinyan, A., Shneor, R., Sirca, S., Slifer, K., Sparveris, N., Subedi, R., Sulkosky, V., Wang, D., Watson, J. W., Weinstein, L. B., Wojtsekhowski, B., Wood, S. A., Yaron, I., Zhan, X., Zhang, J., Zhang, Y. W., Zhao, B., Zheng, X., Zhu, P., Zielinski, R., 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), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Jefferson Lab Hall A, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and HEP, INSPIRE
- Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex] ,Astrophysics::High Energy Astrophysical Phenomena ,FOS: Physical sciences ,High Energy Physics::Experiment ,Nuclear Experiment (nucl-ex) ,[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] ,Nuclear Experiment - Abstract
Experimental cross sections for the $^4He(e,e'p)X$ reaction up to a missing momentum of 0.632 GeV/$c$ at $x_B=1.24$ and $Q^2$=2(GeV/$c$)$^2$ are reported. The data are compared to Relativistic Distorted Wave Impulse Approximation(RDWIA) calculations for $^4He(e,e'p)^3H$ channel. Significantly more events in the triton mass region are measured for $p_{m}$$>$0.45 GeV/$c$ than are predicted by the theoretical model, suggesting that the effects of initial-state multi-nucleon correlations are stronger than expected by the RDWIA model., Submitted to PRC
- Published
- 2021
81. Puzzle with the precession of the neutron spin
- Author
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Sulkosky, V., Peng, C., Chen, J.-P., Deur, A., Abrahamyan, S., Aniol, K.A., Armstrong, D.S., Averett, T., Bailey, S.L., Beck, A., Bertin, P., Butaru, F., Boeglin, W., Camsonne, A., Cates, G.D., Chang, C.C., Choi, Seonho, Chudakov, E., Coman, L., Cornejo, J.C., Craver, B., Cusanno, F., De Leo, R., De Jager, C.W., Denton, J.D., Dhamija, S., Feuerbach, R., Finn, J.M., Frullani, S., Fuoti, K., Gao, H., Garibaldi, F., Gayou, O., Gilman, R., Glamazdin, A., Glashausser, C., Gomez, J., Hansen, J.-O., Hayes, D., Hersman, B., Higinbotham, D.W., Holmstrom, T., Humensky, T.B., Hyde, C.E., Ibrahim, H., Iodice, M., Jiang, X., Kaufman, L.J., Kelleher, A., Keister, K.E., Kim, W., Kolarkar, A., Kolb, N., Korsch, W., Kramer, K., Kumbartzki, G., Lagamba, L., Laine, V., Laveissiere, G., LeRose, J.J., Lhuillier, D., Lindgren, R., Liyanage, N., Lu, H.-J., Ma, B., Margaziotis, D.J., Markowitz, P., McCormick, K., Meziane, M., Meziani, Z.-E., Michaels, R., Moffit, B., Monaghan, P., Nanda, S., Niedziela, J., Niskin, M., Pandolfi, R., Paschke, K.D., Potokar, M., Puckett, A., Punjabi, V.A., Qiang, Y., Ransome, R., Reitz, B., Roche, R., Saha, A., Shabetai, Alexandre, Sirca, S., Singh, J.T., Slifer, K., Snyder, R., Solvignon, P., Stringer, R., Subedi, R., Tobias, W.A., Ton, N., Ulmer, P.E., Urciuoli, G.M., Vacheret, A., Voutier, E., Wang, K., Wan, L., Wojtsekhowski, B., Woo, S., Yao, H., Yuan, J., Zhan, X., Zheng, X., Zhu, L., HEP, INSPIRE, Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), and E97-110
- Subjects
spin: precession ,[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex] ,nucleon: structure ,strong interaction ,Nuclear Theory ,[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] ,nonperturbative ,spin: polarizability ,momentum transfer: low ,electromagnetic field ,effective field theory: chiral ,Nuclear Experiment ,n: spin ,experimental results ,Jefferson Lab - Abstract
Understanding the structure of the nucleon (proton and neutron) is a critical problem in physics. Especially challenging is to understand the spin structure when the Strong Interaction becomes truly strong. At energy scales below the nucleon mass (~1 GeV), the intense interactions of the quarks and gluons inside the nucleon makes them highly correlated. Their coherent behavior causes the emergence of effective hadronic degrees of freedom (hadrons are composite particles made of quarks and gluons) which are necessary to understand the nucleon properties. Theoretically studying this subject requires approaches employing non-perturbative techniques or using hadronic degrees of freedom, e.g. chiral effective field theory (chiEFT). Here, we present measurements sensitive to the neutron's spin precession under electromagnetic fields. The observables, the generalized spin-polarizabilities delta_LT and gamma_0, which quantify the nucleon spin's precession, were measured at very low energy-momentum transfer squared Q^2 corresponding to probing distances of the size of the nucleon. Our Q^2 values match the domain where chiEFT calculations are expected to be applicable. The calculations have been conducted to high degrees of sophistication, including that of the so-called "gold-plated" observable, delta_LT. Surprisingly however, our data show a strong discrepancy with the chiEFT calculations. This presents a challenge to the current description of the neutron's spin properties.
- Published
- 2021
82. Ruling out Color Transparency in Quasielastic $^{12}$C(e,e'p) up to $Q^2$ of 14.2 (GeV/c)$^2$
- Author
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Bhetuwal, D., Matter, J., Szumila-Vance, H., Kabir, M. L., Dutta, D., Ent, R., Abrams, D., Ahmed, Z., Aljawrneh, B., Alsalmi, S., Ambrose, R., Androic, D., Armstrong, W., Asaturyan, A., Assumin-Gyimah, K., Gayoso, C. Ayerbe, Bandari, A., Basnet, S., Berdnikov, V., Bhatt, H., Biswas, D., Boeglin, W. U., Bosted, P., Brash, E., Bukhari, M. H. S., Chen, H., Chen, J. P., Chen, M., Christy, E. M., Covrig, S., Craycraft, K., Danagoulian, S., Day, D., Diefenthaler, M., Dlamini, M., Dunne, J., Duran, B., Evans, R., Fenker, H., Fomin, N., Fuchey, E., Gaskell, D., Gautam, T. N., Gonzalez, F. A., Hansen, J. O., Hauenstein, F., Hernandez, A. V., Horn, T., Huber, G. M., Jones, M. K., Joosten, S., Karki, A., Keppel, C., Khanal, A., King, P. M., Kinney, E., Ko, H. S., Kohl, M., Lashley-Colthirst, N., Li, S., Li, W. B., Liyanage, A. H., Mack, D., Malace, S., Markowitz, P., Meekins, D., Michaels, R., Mkrtchyan, A., Mkrtchyan, H., Nazeer, S. J., Nanda, S., Niculescu, G., Niculescu, I., Nguyen, D., Nuruzzaman, Pandey, B., Park, S., Pooser, E., Puckett, A., Rehfuss, M., Reinhold, J., Santiesteban, N., Sawatzky, B., Smith, G. R., Sun, A., Tadevosyan, V., Trotta, R., Wood, S. A., Yero, C., Zhang, J., 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), and Hall C
- Subjects
Nuclear Theory ,carbon: target ,[PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th] ,FOS: Physical sciences ,color: transparency ,[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] ,High Energy Physics - Experiment ,Nuclear Theory (nucl-th) ,High Energy Physics - Experiment (hep-ex) ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,p: recoil ,Nuclear Experiment (nucl-ex) ,Nuclear Experiment ,yield: measured ,Nuclear Physics ,nucleus: target ,electron nucleus: scattering ,momentum transfer ,p: momentum ,inelastic scattering ,impulse approximation: plane wave ,quantum chromodynamics: effect ,nucleus: transparency ,experimental results ,Jefferson Lab - Abstract
Quasielastic $^{12}$C$(e,e'p)$ scattering was measured at space-like 4-momentum transfer squared $Q^2$~=~8, 9.4, 11.4, and 14.2 (GeV/c)$^2$, the highest ever achieved to date. Nuclear transparency for this reaction was extracted by comparing the measured yield to that expected from a plane-wave impulse approximation calculation without any final state interactions. The measured transparency was consistent with no $Q^2$ dependence, up to proton momenta of 8.5~GeV/c, ruling out the quantum chromodynamics effect of color transparency at the measured $Q^2$ scales in exclusive $(e,e'p)$ reactions. These results impose strict constraints on models of color transparency for protons., 5 pages, 2 figures
- Published
- 2021
83. Measurement of the Ar(e, e ' p) and Ti(e, e ' p) cross sections in Jefferson Lab Hall A
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Gu, L, Gu, L, Abrams, D, Ankowski, AM, Jiang, L, Aljawrneh, B, Alsalmi, S, Bane, J, Batz, A, Barcus, S, Barroso, M, Benhar, O, Bellini, V, Bericic, J, Biswas, D, Camsonne, A, Castellanos, J, Chen, J-P, Christy, ME, Craycraft, K, Cruz-Torres, R, Dai, H, Day, D, Dusa, S-C, Fuchey, E, Gautam, T, Giusti, C, Gomez, J, Gu, C, Hague, T, Hansen, J-O, Hauenstein, F, Higinbotham, DW, Hyde, C, Keppel, C, Li, S, Lindgren, R, Liu, H, Mariani, C, McClellan, RE, Meekins, D, Michaels, R, Mihovilovic, M, Murphy, M, Nguyen, D, Nycz, M, Ou, L, Pandey, B, Pandey, V, Park, K, Perera, G, Puckett, AJR, Santiesteban, SN, Sirca, S, Su, T, Tang, L, Tian, Y, Ton, N, Wojtsekhowski, B, Wood, S, Ye, Z, Zhang, J, Gu, L, Gu, L, Abrams, D, Ankowski, AM, Jiang, L, Aljawrneh, B, Alsalmi, S, Bane, J, Batz, A, Barcus, S, Barroso, M, Benhar, O, Bellini, V, Bericic, J, Biswas, D, Camsonne, A, Castellanos, J, Chen, J-P, Christy, ME, Craycraft, K, Cruz-Torres, R, Dai, H, Day, D, Dusa, S-C, Fuchey, E, Gautam, T, Giusti, C, Gomez, J, Gu, C, Hague, T, Hansen, J-O, Hauenstein, F, Higinbotham, DW, Hyde, C, Keppel, C, Li, S, Lindgren, R, Liu, H, Mariani, C, McClellan, RE, Meekins, D, Michaels, R, Mihovilovic, M, Murphy, M, Nguyen, D, Nycz, M, Ou, L, Pandey, B, Pandey, V, Park, K, Perera, G, Puckett, AJR, Santiesteban, SN, Sirca, S, Su, T, Tang, L, Tian, Y, Ton, N, Wojtsekhowski, B, Wood, S, Ye, Z, and Zhang, J
- Abstract
The E12-14-012 experiment, performed in Jefferson Lab Hall A, has collected exclusive electron-scattering data (e,e$^\prime$p) in parallel kinematics using natural argon and natural titanium targets. Here, we report the first results of the analysis of the data set corresponding to beam energy of 2,222 MeV, electron scattering angle 21.5 deg, and proton emission angle -50 deg. The differential cross sections, measured with $\sim$4% uncertainty, have been studied as a function of missing energy and missing momentum, and compared to the results of Monte Carlo simulations, obtained from a model based on the Distorted Wave Impulse Approximation.
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- 2021
84. Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2
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Sulkosky, V., Singh, J.T., Peng, C., Chen, J.-P., Deur, A., Abrahamyan, S., Aniol, K.A., Armstrong, D.S., Averett, T., Bailey, S.L., Beck, A., Bertin, P., Butaru, F., Boeglin, W., Camsonne, A., Cates, G.D., Chang, C.C., Choi, Seonho, Chudakov, E., Coman, L., Cornejo, J.C., Craver, B., Cusanno, F., De Leo, R., de Jager, C.W., Denton, J.D., Dhamija, S., Feuerbach, R., Finn, J.M., Frullani, S., Fuoti, K., Gao, H., Garibaldi, F., Gayou, O., Gilman, R., Glamazdin, A., Glashausser, C., Gomez, J., Hansen, J.-O., Hayes, D., Hersman, B., Higinbotham, D.W., Holmstrom, T., Humensky, T.B., Hyde, C.E., Ibrahim, H., Iodice, M., Jiang, X., Kaufman, L.J., Kelleher, A., Keister, K.E., Kim, W., Kolarkar, A., Kolb, N., Korsch, W., Kramer, K., Kumbartzki, G., Lagamba, L., Lainé, V., Laveissiere, G., Lerose, J.J., Lhuillier, D., Lindgren, R., Liyanage, N., Lu, H.-J., Ma, B., Margaziotis, D.J., Markowitz, P., McCormick, K., Meziane, M., Meziani, Z.-E., Michaels, R., Moffit, B., Monaghan, P., Nanda, S., Niedziela, J., Niskin, M., Pandolfi, R., Paschke, K.D., Potokar, M., Puckett, A.J.R., Punjabi, V.A., Qiang, Y., Ransome, R., Reitz, B., Roché, R., Saha, A., Shabetai, A., Širca, S., Slifer, K., Snyder, R., Solvignon, P., Stringer, R., Subedi, R., Tobias, W.A., Ton, N., Ulmer, P.E., Urciuoli, G.M., Vacheret, A., Voutier, E., Wang, K., Wan, L., Wojtsekhowski, B., Woo, S., Yao, H., Yuan, J., Zhan, X., Zheng, X., and Zhu, L.
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- 2020
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85. Measurement of parity violation in electron–quark scattering
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Wang, D., Pan, K., Subedi, R., Deng, X., Ahmed, Z., Allada, K., Aniol, K. A., Armstrong, D. S., Arrington, J., Bellini, V., Beminiwattha, R., Benesch, J., Benmokhtar, F., Bertozzi, W., Camsonne, A., Canan, M., Cates, G. D., Chen, J.-P., Chudakov, E., Cisbani, E., Dalton, M. M., de Jager, C. W., De Leo, R., Deconinck, W., Deur, A., Dutta, C., El Fassi, L., Erler, J., Flay, D., Franklin, G. B., Friend, M., Frullani, S., Garibaldi, F., Gilad, S., Giusa, A., Glamazdin, A., Golge, S., Grimm, K., Hafidi, K., Hansen, J.-O., Higinbotham, D. W., Holmes, R., Holmstrom, T., Holt, R. J., Huang, J., Hyde, C. E., Jen, C. M., Jones, D., Kang, Hoyoung, King, P. M., Kowalski, S., Kumar, K. S., Lee, J. H., LeRose, J. J., Liyanage, N., Long, E., McNulty, D., Margaziotis, D. J., Meddi, F., Meekins, D. G., Mercado, L., Meziani, Z.-E., Michaels, R., Mihovilovic, M., Muangma, N., Myers, K. E., Nanda, S., Narayan, A., Nelyubin, V., Nuruzzaman, Oh, Y., Parno, D., Paschke, K. D., Phillips, S. K., Qian, X., Qiang, Y., Quinn, B., Rakhman, A., Reimer, P. E., Rider, K., Riordan, S., Roche, J., Rubin, J., Russo, G., Saenboonruang, K., Saha, A., Sawatzky, B., Shahinyan, A., Silwal, R., Sirca, S., Souder, P. A., Suleiman, R., Sulkosky, V., Sutera, C. M., Tobias, W. A., Urciuoli, G. M., Waidyawansa, B., Wojtsekhowski, B., Ye, L., Zhao, B., and Zheng, X.
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- 2014
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86. South-Central Barents Sea Composite Tectono-Sedimentary Element
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Doré, A. G., primary, Dahlgren, T., additional, Flowerdew, M. J., additional, Forthun, T., additional, Hansen, J. O., additional, Henriksen, L. B., additional, Kåsli, K., additional, Rafaelsen, B., additional, Ryseth, A. E., additional, Rønning, K., additional, Similox-Tohon, D., additional, Stoupakova, A., additional, and Thießen, O., additional
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- 2021
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87. Measurement of the single-spin asymmetry A y 0 in quasi-elastic 3He↑(e,e′n) scattering at 0.4 < Q 2 < 1.0 GeV/c 2
- Author
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Long, E., Zhang, Y.W., Mihovilovič, M., Jin, G., Sulkosky, V., Kelleher, A., Anderson, B., Higinbotham, D.W., Širca, S., Allada, K., Annand, J.R.M., Averett, T., Bertozzi, W., Boeglin, W., Bradshaw, P., Camsonne, A., Canan, M., Cates, G.D., Chen, C., Chen, J.-P., Chudakov, E., De Leo, R., Deng, X., Deur, A., Dutta, C., El Fassi, L., Flay, D., Frullani, S., Garibaldi, F., Gao, H., Gilad, S., Gilman, R., Glamazdin, O., Golge, S., Gomez, J., Hansen, J.-O., Holmstrom, T., Huang, J., Ibrahim, H., de Jager, C.W., Jensen, E., Jiang, X., Jones, M., Kang, H., Katich, J., Khanal, H.P., King, P.M., Korsch, W., LeRose, J., Lindgren, R., Lu, H.-J., Luo, W., Markowitz, P., Meziane, M., Michaels, R., Moffit, B., Monaghan, P., Muangma, N., Nanda, S., Norum, B.E., Pan, K., Parno, D., Piasetzky, E., Posik, M., Punjabi, V., Puckett, A.J.R., Qian, X., Qiang, Y., Qui, X., Riordan, S., Saha, A., Sawatzky, B., Shabestari, M., Shahinyan, A., Shoenrock, B., St. John, J., Subedi, R., Tobias, W.A., Tireman, W., Urciuoli, G.M., Wang, D., Wang, K., Wang, Y., Watson, J., Wojtsekhowski, B., Ye, Z., Zhan, X., Zhang, Y., Zheng, X., Zhao, B., and Zhu, L.
- Abstract
No abstract available.
- Published
- 2019
88. Measurement of the 3He Spin-Structure Functions and of Neutron (3He) Spin-Dependent Sum Rules at 0.035
- Author
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Sulkosky, V., Singh, J. T., Peng, C., Chen, J. -P., Deur, A., Abrahamyan, S., Aniol, K. A., Armstrong, D. S., Averett, T., Bailey, S. L., Beck, A., Bertin, P., Butaru, F., Boeglin, W., Camsonne, A., Cates, G. D., Chang, C. C., Choi, Seonho, Chudakov, E., Coman, L., Cornejo, J. C, Craver, B., Cusanno, F., De Leo, R., de Jager, C. W., Denton, J. D., Dhamija, S., Feuerbach, R., Finn, J. M., Frullani, S., Fuoti, K., Gao, H., Garibaldi, F., Gayou, O., Gilman, R., Glamazdin, A., Glashausser, C., Gomez, J., Hansen, J. -O., Hayes, D., Hersman, B., Higinbotham, D. W., Holmstrom, T., Humensky, T. B., Hyde, C. E., Ibrahim, H., Iodice, M., Jiang, X., Kaufman, L. J., Kelleher, A., Keister, K. E., Kim, W., Kolarkar, A., Kolb, N., Korsch, W., Kramer, K., Kumbartzki, G., Lagamba, L., Laine, V., Laveissiere, G., Lerose, J. J., Lhuillier, D., Lindgren, R., Liyanage, N., Lu, H. -J., Ma, B., Margaziotis, D. J., Markowitz, P., McCormick, K., Meziane, M., Meziani, Z. -E., Michaels, R., Moffit, B., Monaghan, P., Nanda, S., Niedziela, J., Niskin, M., Pandolfi, R., Paschke, K. D., Potokar, M., Puckett, A., Punjabi, V. A., Qiang, Y., Ransome, R., Reitz, B., Roche, R., Saha, A., Shabetai, A., Sirca, S., Slifer, K., Snyder, R., Solvignon, P., Stringer, R., Subedi, R., Tobias, W. A., Ton, N., Ulmer, P. E., Urciuoli, G. M., Vacheret, A., Voutier, E., Wang, K., Wan, L., Wojtsekhowski, B., Woo, S., Yao, H., Yuan, J., Zhan, X., Zheng, X., and Zhu, L.
- Subjects
High Energy Physics - Experiment (hep-ex) ,FOS: Physical sciences ,Nuclear Experiment (nucl-ex) - Abstract
The spin-structure functions $g_1$ and $g_2$, and the spin-dependent partial cross-section $��_\mathrm{TT}$ have been extracted from the polarized cross-sections differences, $����_{\parallel}\hspace{-0.06cm}\left(��,Q^{2}\right)$ and $����_{\perp}\hspace{-0.06cm}\left(��,Q^{2}\right)$ measured for the $\vec{^\textrm{3}\textrm{He}}(\vec{\textrm{e}},\textrm{e}')\textrm{X}$ reaction, in the E97-110 experiment at Jefferson Lab. Polarized electrons with energies from 1.147 to 4.404 GeV were scattered at angles of 6$^{\circ}$ and 9$^{\circ}$ from a longitudinally or transversely polarized $^{3}$He target. The data cover the kinematic regions of the quasi-elastic, resonance production and beyond. From the extracted spin-structure functions, the first moments $\overline{��_1}\hspace{-0.06cm}\left(Q^{2}\right)$, $��_2\hspace{-0.06cm}\left(Q^{2}\right)$ and $I_{\mathrm{TT}}\hspace{-0.06cm}\left(Q^{2}\right)$ are evaluated with high precision for the neutron in the $Q^2$ range from 0.035 to 0.24~GeV$^{2}$. The comparison of the data and the chiral effective field theory predictions reveals the importance of proper treatment of the $��$ degree of freedom for spin observables., 7 pages, 5 figures, 3 tables. Version published in Phys. Lett. B
- Published
- 2019
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89. High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A
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Jefferson Lab Hall A Collaboration, Garibaldi, F., Acha, A., Ambrozewicz, P., Aniol, K. A., Beturin, P., Benaoum, H., Benesch, J., Bertin, P. Y., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydzovsky, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Cusanno, F., Craver, B. J., De Cataldo, G., de Jager, C. W., De Leo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Frullani, S., Gayou, O., Giuliani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Iodice, M., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D. G., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., Camacho, C. Munoz, Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Raue, B., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Sirca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Voutier, E., Wojtsekhowski, B. B., Zheng, X., Zorn, C., Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Jefferson Lab Hall A, Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Clermont Auvergne (UCA)-Centre National de la Recherche Scientifique (CNRS), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)
- Subjects
Nuclear Theory ,[PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th] ,010308 nuclear & particles physics ,FOS: Physical sciences ,[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] ,Nuclear Structure ,01 natural sciences ,Nuclear Theory (nucl-th) ,0103 physical sciences ,Nuclear Experiment (nucl-ex) ,010306 general physics ,Nuclear Experiment - Abstract
The experiment E94-107 in Hall A at Jefferson Lab started a systematic study of high resolution hypernuclear spectroscopy in the 0p-shell region of nuclei such as the hypernuclei produced in electroproduction on 9Be, 12C and 16O targets. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a ring-imaging Cherenkov detector were added to the Hall A standard equipment. The high-quality beam, the good spectrometers and the new experimental devices allowed us to obtain very good results. For the first time, measurable strength with sub-MeV energy resolution was observed for the core-excited states of Lambda 12B. A high-quality Lambda 16N hypernuclear spectrum was likewise obtained. A first measurement of the Lambda binding energy for Lambda 16N, calibrated against the elementary reaction on hydrogen, was obtained with high precision, 13.76 +/- 0.16 MeV. Similarly, the first Lambda 9Li hypernuclear spectrum shows general agreement with theory (distorted-wave impulse approximation with the SLA and BS3 electroproduction models and shell-model wave functions). Some disagreement exists with respect to the relative strength of the states making up the first multiplet. A Lambda separation energy of 8.36 MeV was obtained, in agreement with previous results. It has been shown that the electroproduction of hypernuclei can provide information complementary to that obtained with hadronic probes and the gamma-ray spectroscopy technique., Comment: 27 pages, 18 figures, submitted to Physical Review C
- Published
- 2019
90. Basic instrumentation for Hall A at Jefferson Lab
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Alcorn, J., Anderson, B.D., Aniol, K.A., Annand, J.R.M., Auerbach, L., Arrington, J., Averett, T., Baker, F.T., Baylac, M., Beise, E.J., Berthot, J., Bertin, P.Y., Bertozzi, W., Bimbot, L., Black, T., Boeglin, W.U., Boykin, D.V., Brash, E.J., Breton, V., Breuer, H., Brindza, P., Brown, D., Burtin, E., Calarco, J.R., Cardman, L.S., Carr, R., Cates, G.D., Cavata, C., Chai, Z., Chang, C.C., Chant, N.S., Chen, J.-P., Choi, S., Chudakov, E., Churchwell, S., Coman, M., Cisbani, E., Colilli, S., Colombel, N., Crateri, R., Dale, D.S., Degrande, N., de Jager, C.W., De Leo, R., Deur, A., Dezern, G., Diederich, B., Dieterich, S., di Salvo, R., Djawotho, P., Domingo, J., Ducret, J.-E., Dutta, D., Egiyan, K., Epstein, M.B., Escoffier, S., Esp, S., Ewell, L.A., Finn, J.M., Fissum, K.G., Folts, E., Fonvieille, H., Frois, B., Frullani, S., Gao, H., Gao, J., Garibaldi, F., Gasparian, A., Gavalya, A., Gayou, O., Gilad, S., Gilman, R., Giuliani, F., Glamazdin, A., Glashausser, C., Gomez, J., Gorbenko, V., Gorringe, T., Gricia, M., Griffioen, K., Hamilton, D., Hansen, J.-O., Hersman, F.W., Higinbotham, D.W., Holmes, R., Holmgren, H., Holtrop, M., d'Hose, N., Hovhannisyan, E., Howell, C., Huber, G.M., Hughes, E., Hyde-Wright, C.E., Ibrahim, H., Incerti, S., Iodice, M., Iommi, R., Ireland, D., Jaminion, S., Jardillier, J., Jensen, S., Jiang, X., Jones, C.E., Jones, M.K., Joo, K., Jutier, C., Kahl, W., Kato, S., Katramatou, A.T., Kelly, J.J., Kerhoas, S., Ketikyan, A., Khandaker, M., Khayat, M., Kino, K., Kominis, I., Korsch, W., Kox, S., Kramer, K., Kumar, K.S., Kumbartzki, G., Kuss, M., Lagamba, L., Laveissière, G., Leone, A., LeRose, J.J., Marie, F., Levchuk, L., Leuschner, M., Lhuillier, D., Liang, M., Livingston, K., Lindgren, R.A., Liyanage, N., Lolos, G.J., Lourie, R.W., Lucentini, M., Madey, R., Maeda, K., Malov, S., Manley, D.M., Margaziotis, D.J., Markowitz, P., Marroncle, J., Martine, J., Mayilyan, S., McCarthy, J.S., McCormick, K., Mclntyre, J., McKeown, R.D., Meekins, D., van der Meer, R.L.J., Meziani, Z.-E., Michaels, R., Milbrath, B., Miller, J.A., Miller, W., Mitchell, J., Mougey, J., Nanda, S., Nathan, A., Neyret, D., Offermann, E.A.J.M., Papandreou, Z., Perdrisat, C.F., Perrino, R., Petratos, G.G., Petrosyan, A., Pierangeli, L., Platchkov, S., Pomatsalyuk, R., Pripstein, D., Prout, D.L., Punjabi, V.A., Pussieux, T., Quéméner, G., Ransomez, R.D., Ravel, O., Reitz, B., Roblin, Y., Roche, R., Roedelbronn, M., Rondon-Aramayo, O.A., Roos, P.G., Rosner, G., Rowntree, D., Rutledge, G.A., Rutt, P.M., Rvachev, M., Sabatavenere, F., Saha, A., Saito, T., Santavenere, F., Sarty, A.J., Schneider, W.J., Segal, J.P., Serdarevic-Offermann, A., Shahinyan, A., Slifer, K., Smith, T.P., Soldi, A., Sorokin, P., Souder, P., Spiegel, S.L., Stevens, M.A., Strauch, S., Suleiman, R., Templon, J.A., Terasawa, T., Todor, L., Tsubota, H., Ueno, H., Ulmer, P.E., Urciuoli, G.M., Van Hoorebeke, L., Van de Vyver, R., van Verst, S., Vernin, P., Vlahovic, B., Voskanyan, H., Voutier, E., Walter, R., Watson, J.W., Watts, D.P., Weinstein, L.B., Wijesooriya, K., Wojtsekhowski, B., Xiang, H., Xiong, F., Xu, W., Zainea, D.G., Zeps, V., Zhao, J., Zheng, X., Zhou, Z.-L., Zhu, L., and Zolnierczuk, P.A.
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- 2004
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91. First measurement of the Ar(e, e ')X cross section at Jefferson Laboratory
- Author
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Dai, H, Dai, H, Murphy, M, Pandey, V, Abrams, D, Nguyen, D, Aljawrneh, B, Alsalmi, S, Ankowski, AM, Bane, J, Barcus, S, Benhar, O, Bellini, V, Bericic, J, Biswas, D, Camsonne, A, Castellanos, J, Chen, J-P, Christy, ME, Craycraft, K, Cruz-Torres, R, Day, D, Dusa, S-C, Fuchey, E, Gautam, T, Giusti, C, Gomez, J, Gu, C, Hague, T, Hansen, J-O, Hauenstein, F, Higinbotham, DW, Hyde, C, Jen, CM, Keppel, C, Li, S, Lindgren, R, Liu, H, Mariani, C, McClellan, RE, Meekins, D, Michaels, R, Mihovilovic, M, Nycz, M, Ou, L, Pandey, B, Park, K, Perera, G, Puckett, AJR, Santiesteban, SN, Sirca, S, Su, T, Tang, L, Tian, Y, Ton, N, Wojtsekhowski, B, Wood, S, Ye, Z, Zhang, J, Dai, H, Dai, H, Murphy, M, Pandey, V, Abrams, D, Nguyen, D, Aljawrneh, B, Alsalmi, S, Ankowski, AM, Bane, J, Barcus, S, Benhar, O, Bellini, V, Bericic, J, Biswas, D, Camsonne, A, Castellanos, J, Chen, J-P, Christy, ME, Craycraft, K, Cruz-Torres, R, Day, D, Dusa, S-C, Fuchey, E, Gautam, T, Giusti, C, Gomez, J, Gu, C, Hague, T, Hansen, J-O, Hauenstein, F, Higinbotham, DW, Hyde, C, Jen, CM, Keppel, C, Li, S, Lindgren, R, Liu, H, Mariani, C, McClellan, RE, Meekins, D, Michaels, R, Mihovilovic, M, Nycz, M, Ou, L, Pandey, B, Park, K, Perera, G, Puckett, AJR, Santiesteban, SN, Sirca, S, Su, T, Tang, L, Tian, Y, Ton, N, Wojtsekhowski, B, Wood, S, Ye, Z, and Zhang, J
- Abstract
The success of the ambitious programs of both long- and short-baseline neutrino-oscillation experiments employing liquid-argon time-projection chambers will greatly rely on the precision with which the weak response of the argon nucleus can be estimated. In the E12-14-012 experiment at Jefferson Lab Hall A, we have studied the properties of the argon nucleus by scattering a high-quality electron beam off a high-pressure gaseous argon target. Here, we present the measured $^{40}$Ar$(e,e^{\prime})$ double differential cross section at incident electron energy $E=2.222$~GeV and scattering angle $\theta = 15.541^\circ$. The data cover a broad range of energy transfers, where quasielastic scattering and delta production are the dominant reaction mechanisms. The result for argon is compared to our previously reported cross sections for titanium and carbon, obtained in the same kinematical setup.
- Published
- 2019
92. First measurement of the Ti(e,e′)X cross section at Jefferson Lab
- Author
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Dai, H., Murphy, M., Pandey, V., Abrams, D., Nguyen, D., Aljawrneh, B., Alsalmi, S., Ankowski, A. M., Bane, J., Barcus, S., Benhar, O., Bellini, V., Bericic, J., Biswas, D., Camsonne, A., Castellanos, J., Chen, J. -P., Christy, M. E., Craycraft, K., Cruz-Torres, R., Day, D., Dusa, S. -C., Fuchey, E., Gautam, T., Giusti, C., Gomez, J., Gu, C., Hague, T., Hansen, J. -O., Hauenstein, F., Higinbotham, D. W., Hyde, C., Jen, C. M., Keppel, C., Li, S., Lindgren, R., Liu, H., Mariani, C., Mcclellan, R. E., Meekins, D., Michaels, R., Mihovilovic, M., Nycz, M., Ou, L., Pandey, B., Park, K., Perera, G., Puckett, A. J. R., Širca, S., Su, T., Tang, L., Tian, Y., Ton, N., Wojtsekhowski, B., Wood, S., Ye, Z., and Zhang, J.
- Subjects
Nuclear and High Energy Physics ,Particle and Plasma Physics ,nucl-th ,hep-ex ,Molecular ,Nuclear ,nucl-ex ,Atomic ,Nuclear & Particles Physics - Abstract
To probe CP violation in the leptonic sector using GeV energy neutrino beams in current and future experiments using argon detectors, precise models of the complex underlying neutrino and antineutrino interactions are needed. The E12-14-012 experiment at Jefferson Lab Hall A was designed to perform a combined analysis of inclusive and exclusive electron scatterings on both argon (N=22) and titanium (Z=22) nuclei using GeV-energy electron beams. The measurement on titanium nucleus provides essential information to understand the neutrino scattering on argon, large contribution to which comes from scattering off neutrons. Here we report the first experimental study of electron-titanium scattering as double-differential cross section at beam energy E=2.222 GeV and electron-scattering angle θ=15.541, measured over a broad range of energy transfer, spanning the kinematical regions in which quasielastic scattering and delta production are the dominant reaction mechanisms. The data provide valuable new information needed to develop accurate theoretical models of the electromagnetic and weak cross sections of these complex nuclei in the kinematic regime of interest to neutrino experiments.
- Published
- 2018
93. Measurement of the single-spin asymmetry Ay0 in quasi-elastic 3He↑(e,e′n) scattering at 0.4 < Q2 < 1.0 GeV/c2
- Author
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Long, E., primary, Zhang, Y.W., additional, Mihovilovič, M., additional, Jin, G., additional, Sulkosky, V., additional, Kelleher, A., additional, Anderson, B., additional, Higinbotham, D.W., additional, Širca, S., additional, Allada, K., additional, Annand, J.R.M., additional, Averett, T., additional, Bertozzi, W., additional, Boeglin, W., additional, Bradshaw, P., additional, Camsonne, A., additional, Canan, M., additional, Cates, G.D., additional, Chen, C., additional, Chen, J.-P., additional, Chudakov, E., additional, De Leo, R., additional, Deng, X., additional, Deur, A., additional, Dutta, C., additional, El Fassi, L., additional, Flay, D., additional, Frullani, S., additional, Garibaldi, F., additional, Gao, H., additional, Gilad, S., additional, Gilman, R., additional, Glamazdin, O., additional, Golge, S., additional, Gomez, J., additional, Hansen, J.-O., additional, Holmstrom, T., additional, Huang, J., additional, Ibrahim, H., additional, de Jager, C.W., additional, Jensen, E., additional, Jiang, X., additional, Jones, M., additional, Kang, H., additional, Katich, J., additional, Khanal, H.P., additional, King, P.M., additional, Korsch, W., additional, LeRose, J., additional, Lindgren, R., additional, Lu, H.-J., additional, Luo, W., additional, Markowitz, P., additional, Meziane, M., additional, Michaels, R., additional, Moffit, B., additional, Monaghan, P., additional, Muangma, N., additional, Nanda, S., additional, Norum, B.E., additional, Pan, K., additional, Parno, D., additional, Piasetzky, E., additional, Posik, M., additional, Punjabi, V., additional, Puckett, A.J.R., additional, Qian, X., additional, Qiang, Y., additional, Qui, X., additional, Riordan, S., additional, Saha, A., additional, Sawatzky, B., additional, Shabestari, M., additional, Shahinyan, A., additional, Shoenrock, B., additional, St. John, J., additional, Subedi, R., additional, Tobias, W.A., additional, Tireman, W., additional, Urciuoli, G.M., additional, Wang, D., additional, Wang, K., additional, Wang, Y., additional, Watson, J., additional, Wojtsekhowski, B., additional, Ye, Z., additional, Zhan, X., additional, Zhang, Y., additional, Zheng, X., additional, Zhao, B., additional, and Zhu, L., additional
- Published
- 2019
- Full Text
- View/download PDF
94. The HERMES dual-radiator ring imaging Cherenkov detector
- Author
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Akopov, N, Aschenauer, E.C, Bailey, K, Bernreuther, S, Bianchi, N, Capitani, G.P, Carter, P, Cisbani, E, De Leo, R, De Sanctis, E, De Schepper, D, Djordjadze, V, Filippone, B.W, Frullani, S, Garibaldi, F, Hansen, J.-O, Hommez, B, Iodice, M, Jackson, H.E, Jung, P, Kaiser, R, Kanesaka, J, Kowalczyk, R, Lagamba, L, Maas, A, Muccifora, V, Nappi, E, Negodaeva, K, Nowak, W.-D, O'Connor, T, O'Neill, T.G, Potterveld, D.H, Ryckbosch, D, Sakemi, Y, Sato, F, Schwind, A, Shibata, T.-A, Suetsugu, K, Thomas, E, Tytgat, M, Urciuoli, G.M, Van de Kerckhove, K, Van de Vyver, R, Yoneyama, S, Zohrabian, H, and Zhang, L.F
- Published
- 2002
- Full Text
- View/download PDF
95. First measurement of the Ti(e, e ')X cross section at Jefferson Lab
- Author
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Dai, H, Dai, H, Murphy, M, Pandey, V, Abrams, D, Nguyen, D, Aljawrneh, B, Alsalmi, S, Ankowski, AM, Bane, J, Barcus, S, Benhar, O, Bellini, V, Bericic, J, Biswas, D, Camsonne, A, Castellanos, J, Chen, J-P, Christy, ME, Craycraft, K, Cruz-Torres, R, Day, D, Dusa, S-C, Fuchey, E, Gautam, T, Giusti, C, Gomez, J, Gu, C, Hague, T, Hansen, J-O, Hauenstein, E, Higinbotham, DW, Hyde, C, Jen, CM, Keppel, C, Li, S, Lindgren, R, Liu, H, Mariani, C, McClellan, RE, Meekins, D, Michaels, R, Mihovilovic, M, Nycz, M, Ou, L, Pandey, B, Park, K, Perera, G, Puckett, AJR, Sirca, S, Su, T, Tang, L, Tian, Y, Ton, N, Wojtsekhowski, B, Wood, S, Ye, Z, Zhang, J, Dai, H, Dai, H, Murphy, M, Pandey, V, Abrams, D, Nguyen, D, Aljawrneh, B, Alsalmi, S, Ankowski, AM, Bane, J, Barcus, S, Benhar, O, Bellini, V, Bericic, J, Biswas, D, Camsonne, A, Castellanos, J, Chen, J-P, Christy, ME, Craycraft, K, Cruz-Torres, R, Day, D, Dusa, S-C, Fuchey, E, Gautam, T, Giusti, C, Gomez, J, Gu, C, Hague, T, Hansen, J-O, Hauenstein, E, Higinbotham, DW, Hyde, C, Jen, CM, Keppel, C, Li, S, Lindgren, R, Liu, H, Mariani, C, McClellan, RE, Meekins, D, Michaels, R, Mihovilovic, M, Nycz, M, Ou, L, Pandey, B, Park, K, Perera, G, Puckett, AJR, Sirca, S, Su, T, Tang, L, Tian, Y, Ton, N, Wojtsekhowski, B, Wood, S, Ye, Z, and Zhang, J
- Abstract
To probe CP violation in the leptonic sector using GeV energy neutrino beams in current and future experiments using argon detectors, precise models of the complex underlying neutrino and antineutrino interactions are needed. The E12-14-012 experiment at Jefferson Lab Hall A was designed to perform a combined analysis of inclusive and exclusive electron scatterings on both argon ($N = 22$) and titanium ($Z = 22$) nuclei using GeV energy electron beams. The measurement on titanium nucleus provides essential information to understand the neutrino scattering on argon, large contribution to which comes from scattering off neutrons. Here we report the first experimental study of electron-titanium scattering as double differential cross section at beam energy $E=2.222$ GeV and electron scattering angle $\theta = 15.541$ deg, measured over a broad range of energy transfer, spanning the kinematical regions in which quasielastic scattering and delta production are the dominant reaction mechanisms. The data provide valuable new information needed to develop accurate theoretical models of the electromagnetic and weak cross sections of these complex nuclei in the kinematic regime of interest to neutrino experiments.
- Published
- 2018
96. Extraction of the neutron electric form factor from measurements of inclusive double spin asymmetries
- Author
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Massachusetts Institute of Technology. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Sulkosky, Vincent, Kelleher, Aidan Michael, Bertozzi, William, Huang, Jin, Muangma, Navaphon, Puckett, Andrew James R., Zhan, Xiaohui, Pan, Kai, Jin, G., Long, E., Zhang, Y.-W., Mihovilovic, M., Anderson, B., Higinbotham, D. W., Širca, S., Allada, K., Annand, J. R. M., Averett, T., Boeglin, W., Bradshaw, P., Camsonne, A., Canan, M., Cates, G. D., Chen, C., Chen, J.-P., Chudakov, E., De Leo, R., Deng, X., Deur, A., Dutta, C., El Fassi, L., Flay, D., Frullani, S., Garibaldi, F., Gao, H., Gilad, S., Gilman, R., Glamazdin, O., Golge, S., Gomez, J., Hansen, J.-O., Holmstrom, T., Ibrahim, H., de Jager, C. W., Jensen, E., Jiang, X., Jones, M., Kang, H., Katich, J., Khanal, H. P., King, P., Korsch, W., LeRose, J., Lindgren, R., Lu, H.-J., Luo, W., Markowitz, P., Meekins, D., Meziane, M., Michaels, R., Moffit, B., Monaghan, P., Nanda, S., Norum, B. E., Parno, D., Piasetzky, E., Posik, M., Punjabi, V., Qian, X., Qiang, Y., Qui, X., Riordan, S., Saha, A., Sawatzky, B., Shabestari, M., Shahinyan, A., Shoenrock, B., John, J. St., Subedi, R., Tobias, W. A., Tireman, W., Urciuoli, G. M., Wang, D., Wang, K., Wang, Y., Watson, J., Wojtsekhowski, B., Ye, Z., Zhang, Y., Zheng, X., Zhao, B., Zhu, L., Kelleher, Aidan, Zhan, X., Massachusetts Institute of Technology. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Sulkosky, Vincent, Kelleher, Aidan Michael, Bertozzi, William, Huang, Jin, Muangma, Navaphon, Puckett, Andrew James R., Zhan, Xiaohui, Pan, Kai, Jin, G., Long, E., Zhang, Y.-W., Mihovilovic, M., Anderson, B., Higinbotham, D. W., Širca, S., Allada, K., Annand, J. R. M., Averett, T., Boeglin, W., Bradshaw, P., Camsonne, A., Canan, M., Cates, G. D., Chen, C., Chen, J.-P., Chudakov, E., De Leo, R., Deng, X., Deur, A., Dutta, C., El Fassi, L., Flay, D., Frullani, S., Garibaldi, F., Gao, H., Gilad, S., Gilman, R., Glamazdin, O., Golge, S., Gomez, J., Hansen, J.-O., Holmstrom, T., Ibrahim, H., de Jager, C. W., Jensen, E., Jiang, X., Jones, M., Kang, H., Katich, J., Khanal, H. P., King, P., Korsch, W., LeRose, J., Lindgren, R., Lu, H.-J., Luo, W., Markowitz, P., Meekins, D., Meziane, M., Michaels, R., Moffit, B., Monaghan, P., Nanda, S., Norum, B. E., Parno, D., Piasetzky, E., Posik, M., Punjabi, V., Qian, X., Qiang, Y., Qui, X., Riordan, S., Saha, A., Sawatzky, B., Shabestari, M., Shahinyan, A., Shoenrock, B., John, J. St., Subedi, R., Tobias, W. A., Tireman, W., Urciuoli, G. M., Wang, D., Wang, K., Wang, Y., Watson, J., Wojtsekhowski, B., Ye, Z., Zhang, Y., Zheng, X., Zhao, B., Zhu, L., Kelleher, Aidan, and Zhan, X.
- Abstract
Background: Measurements of the neutron charge form factor, G[superscript n][subscript E], are challenging because the neutron has no net charge. In addition, measurements of the neutron form factors must use nuclear targets which require accurately accounting for nuclear effects. Extracting G[superscript n][subscript E] with different targets and techniques provides an important test of our handling of these effects. Purpose: The goal of the measurement was to use an inclusive asymmetry measurement technique to extract the neutron charge form factor at a four-momentum transfer of 1(GeV/c)[superscript 2]. This technique has very different systematic uncertainties than traditional exclusive measurements and thus serves as an independent check of whether nuclear effects have been taken into account correctly. Method: The inclusive quasielastic reaction [superscript 3][bar over H]e[over ⃗]([bar over e],e′) was measured at Jefferson Laboratory. The neutron electric form factor, G[superscript n][subscript E], was extracted at Q[superscript 2]=0.98(GeV/c)[superscript 2] from ratios of electron-polarization asymmetries measured for two orthogonal target spin orientations. This Q[superscript 2] is high enough that the sensitivity to G[superscript n][subscript E] is not overwhelmed by the neutron magnetic contribution, and yet low enough that explicit neutron detection is not required to suppress pion production. Results: The neutron electric form factor, G[superscript n][subscript E], was determined to be 0.0414±0.0077(stat)±0.0022(syst), providing the first high-precision inclusive extraction of the neutron's charge form factor. Conclusions: The use of the inclusive quasielastic [superscript 3][bar over H]e9[bar over e],e′) with a four-momentum transfer near 1(GeV/c)[superscript 2] has been used to provide a unique measurement of G[superscript n][subscript E]. This new result provides a systematically independent validation of the exclusive extraction technique results and
- Published
- 2018
97. JLab Measurements of the [superscript 3]He Form Factors at Large Momentum Transfers
- Author
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Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Huang, J., Moffit, Bryan J, Puckett, Andrew James R., Camsonne, A., Katramatou, A. T., Olson, M., Acha, A., Allada, K., Anderson, B. D., Arrington, J., Baldwin, A., Chen, J.-P., Choi, S., Chudakov, E., Cisbani, E., Craver, B., Decowski, P., Dutta, C., Folts, E., Frullani, S., Garibaldi, F., Gilman, R., Gomez, J., Hahn, B., Hansen, J.-O., Higinbotham, D. W., Holmstrom, T., Iodice, M., Jiang, X., Kelleher, A., Khrosinkova, E., Kievsky, A., Kuchina, E., Kumbartzki, G., Lee, B., LeRose, J. J., Lindgren, R. A., Lott, G., Lu, H., Marcucci, L. E., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D., Meziani, Z.-E., Michaels, R., Norum, B., Petratos, G. G., Qian, X., Rondon, O., Saha, A., Sawatzky, B., Segal, J., Shabestari, M., Shahinyan, A., Solvignon, P., Sparveris, N., Subedi, R. R., Suleiman, R., Sulkosky, V., Urciuoli, G. M., Viviani, M., Wang, Y., Wojtsekhowski, B. B., Yan, X., Yao, H., Zhang, W.-M., Zheng, X., Zhu, L., Moffit, Bryan J., Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Huang, J., Moffit, Bryan J, Puckett, Andrew James R., Camsonne, A., Katramatou, A. T., Olson, M., Acha, A., Allada, K., Anderson, B. D., Arrington, J., Baldwin, A., Chen, J.-P., Choi, S., Chudakov, E., Cisbani, E., Craver, B., Decowski, P., Dutta, C., Folts, E., Frullani, S., Garibaldi, F., Gilman, R., Gomez, J., Hahn, B., Hansen, J.-O., Higinbotham, D. W., Holmstrom, T., Iodice, M., Jiang, X., Kelleher, A., Khrosinkova, E., Kievsky, A., Kuchina, E., Kumbartzki, G., Lee, B., LeRose, J. J., Lindgren, R. A., Lott, G., Lu, H., Marcucci, L. E., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D., Meziani, Z.-E., Michaels, R., Norum, B., Petratos, G. G., Qian, X., Rondon, O., Saha, A., Sawatzky, B., Segal, J., Shabestari, M., Shahinyan, A., Solvignon, P., Sparveris, N., Subedi, R. R., Suleiman, R., Sulkosky, V., Urciuoli, G. M., Viviani, M., Wang, Y., Wojtsekhowski, B. B., Yan, X., Yao, H., Zhang, W.-M., Zheng, X., Zhu, L., and Moffit, Bryan J.
- Abstract
The charge and magnetic form factors, F[subscript C] and F[subscript M], respectively, of [superscript 3]He are extracted in the kinematic range 25 fm[superscript -2]≤Q[superscript 2]≤61 fm[superscript -2] from elastic electron scattering by detecting [superscript 3]He recoil nuclei and scattered electrons in coincidence with the two High Resolution Spectrometers of the Hall A Facility at Jefferson Lab. The measurements find evidence for the existence of a second diffraction minimum for the magnetic form factor at Q[superscript 2]=49.3 fm[superscript -2] and for the charge form factor at Q[superscript 2]=62.0 fm[superscript -2]. Both minima are predicted to exist in the Q[superscript 2] range accessible by this Jefferson Lab experiment. The data are in qualitative agreement with theoretical calculations based on realistic interactions and accurate methods to solve the three-body nuclear problem., United States. Department of Energy (Awards DEAC02-06CH11357), United States. Department of Energy (Awards DE-FG02-96ER40950), National Science Foundation (U.S.) (Grant NSF-PHY-0701679), National Science Foundation (U.S.) (Grant NSF-PHY-1405814), National Science Foundation (U.S.) (Grant NSF-PHY-1714809), National Science Foundation (U.S.) (Grant NSF-PHY-0652713), Kent State University. Research Council, Istituto nazionale di fisica nucleare (INFN)
- Published
- 2018
98. Search for three-nucleon short-range correlations in light nuclei
- Author
-
Massachusetts Institute of Technology. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Deconinck, Wouter, Kelleher, Aidan Michael, Muangma, Navaphon, Pan, Kai, Sulkosky, Vincent, Ye, Z., Solvignon, P., Nguyen, D., Aguilera, P., Ahmed, Z., Albataineh, H., Allada, K., Anderson, B., Anez, D., Aniol, K., Annand, J., Arrington, J., Averett, T., Baghdasaryan, H., Bai, X., Beck, A., Beck, S., Bellini, V., Benmokhtar, F., Camsonne, A., Chen, C., Chen, J.-P., Chirapatpimol, K., Cisbani, E., Dalton, M. M., Daniel, A., Day, D., Defurne, M., Flay, D., Fomin, N., Friend, M., Frullani, S., Fuchey, E., Garibaldi, F., Gaskell, D., Gilad, S., Gilman, R., Glamazdin, S., Gu, C., Guèye, P., Hanretty, C., Hansen, J.-O., Shabestari, M. Hashemi, Higinbotham, D. W., Huang, M., Iqbal, S., Jin, G., Kalantarians, N., Kang, H., Korover, I., LeRose, J., Leckey, J., Lindgren, R., Long, E., Mammei, J., Margaziotis, D. J., Markowitz, P., Meekins, D., Meziani, Z., Michaels, R., Mihovilovic, M., Camacho, C. Munoz, Norum, B., Nuruzzaman, Phillips, S., Piasetzky, E., Pomerantz, I., Posik, M., Punjabi, V., Qian, X., Qiang, Y., Qiu, X., Reimer, P. E., Rakhman, A., Riordan, S., Ron, G., Rondon-Aramayo, O., Saha, A., Selvy, L., Shahinyan, A., Shneor, R., Sirca, S., Slifer, K., Sparveris, N., Subedi, R., Wang, D., Watson, J. W., Weinstein, L. B., Wojtsekhowski, B., Wood, S. A., Yaron, I., Zhan, X., Zhang, J., Zhang, Y. W., Zhao, B., Zheng, X., Zhu, P., Zielinski, R., Kelleher, Aidan, Massachusetts Institute of Technology. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Deconinck, Wouter, Kelleher, Aidan Michael, Muangma, Navaphon, Pan, Kai, Sulkosky, Vincent, Ye, Z., Solvignon, P., Nguyen, D., Aguilera, P., Ahmed, Z., Albataineh, H., Allada, K., Anderson, B., Anez, D., Aniol, K., Annand, J., Arrington, J., Averett, T., Baghdasaryan, H., Bai, X., Beck, A., Beck, S., Bellini, V., Benmokhtar, F., Camsonne, A., Chen, C., Chen, J.-P., Chirapatpimol, K., Cisbani, E., Dalton, M. M., Daniel, A., Day, D., Defurne, M., Flay, D., Fomin, N., Friend, M., Frullani, S., Fuchey, E., Garibaldi, F., Gaskell, D., Gilad, S., Gilman, R., Glamazdin, S., Gu, C., Guèye, P., Hanretty, C., Hansen, J.-O., Shabestari, M. Hashemi, Higinbotham, D. W., Huang, M., Iqbal, S., Jin, G., Kalantarians, N., Kang, H., Korover, I., LeRose, J., Leckey, J., Lindgren, R., Long, E., Mammei, J., Margaziotis, D. J., Markowitz, P., Meekins, D., Meziani, Z., Michaels, R., Mihovilovic, M., Camacho, C. Munoz, Norum, B., Nuruzzaman, Phillips, S., Piasetzky, E., Pomerantz, I., Posik, M., Punjabi, V., Qian, X., Qiang, Y., Qiu, X., Reimer, P. E., Rakhman, A., Riordan, S., Ron, G., Rondon-Aramayo, O., Saha, A., Selvy, L., Shahinyan, A., Shneor, R., Sirca, S., Slifer, K., Sparveris, N., Subedi, R., Wang, D., Watson, J. W., Weinstein, L. B., Wojtsekhowski, B., Wood, S. A., Yaron, I., Zhan, X., Zhang, J., Zhang, Y. W., Zhao, B., Zheng, X., Zhu, P., Zielinski, R., and Kelleher, Aidan
- Abstract
We present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive ^{4}He/^{3}He cross section ratio is observed to be both x and Q^{2} independent for 1.5
- Published
- 2018
99. JLab Measurements of the He 3 Form Factors at Large Momentum Transfers
- Author
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Camsonne, A., Katramatou, A. T., Olson, M., Acha, A., Allada, K., Anderson, B. D., Arrington, J., Baldwin, A., Chen, J. -. P., Choi, S., Chudakov, E., Cisbani, E., Craver, B., Decowski, P., Dutta, C., Folts, E., Frullani, S., Garibaldi, F., Gilman, R., Gomez, J., Hahn, B., Hansen, J. -. O., Higinbotham, D. W., Holmstrom, T., Huang, J., Iodice, M., Jiang, X., Kelleher, A., Khrosinkova, E., Kievsky, A., Kuchina, E., Kumbartzki, G., Lee, B., Lerose, J. J., Lindgren, R. A., Lott, G., Lu, H., Marcucci, L. E., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D., Meziani, Z. -. E., Michaels, R., Moffit, B., Norum, B., Petratos, G. G., Puckett, A., Qian, X., Rondon, O., Saha, A., Sawatzky, B., Segal, J., Shabestari, M., Shahinyan, A., Solvignon, P., Sparveris, N., Subedi, R. R., Suleiman, R., Sulkosky, V., Urciuoli, G. M., Viviani, M., Wang, Y., Wojtsekhowski, B. B., Yan, X., Yao, H., Zhang, W. -. M., Zheng, X., and Zhu, L.
- Subjects
Physics and Astronomy (all) - Published
- 2017
100. Precise measurement of the transverse asymmetry in quasielastic [formula omitted] and the neutron magnetic form factor
- Author
-
Hansen, J.-O.
- Published
- 2000
- Full Text
- View/download PDF
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