Zobrazeno 1 - 10
of 148
pro vyhledávání: '"Chant, N"'
Autor:
Tvaskis, V., Tvaskis, A., Niculescu, I., Abbott, D., Adams, G. S., Afanasev, A., Ahmidouch, A., Angelescu, T., Arrington, J., Asaturyan, R., Avery, S., Baker, O. K., Benmouna, N., Berman, B. L., Biselli, A., Blok, H. P., Boeglin, W. U., Bosted, P. E., Brash, E., Breuer, H., Chang, G., Chant, N., Christy, M. E., Connell, S. H., Dalton, M. M., Danagoulian, S., Day, D., Dodario, T., Dunne, J. A., Dutta, D., Khayari, N. El, Ent, R., Fenker, H. C., Frolov, V. V., Gaskell, D., Garrow, K., Gilman, R., Gueye, P., Hafidi, K., Hinton, W., Holt, R. J., Horn, T., Huber, G. M., Jackson, H., Jiang, X., Jones, M. K., Joo, K., Kelly, J. J., Keppel, C. E., Kuhn, J., Kinney, E., Klein, A., Kubarovsky, V., Liang, M., Liang, Y., Lolos, G., Lung, A., Mack, D., Malace, S., Markowitz, P., Mbianda, G., McGrath, E., Mckee, D., McKee, P., Meekins, D. G., Mkrtchyan, H., Moziak, B., Napolitano, J., Navasardyan, T., Niculescu, G., Nozar, M., Ostapenko, T., Papandreou, Z., Potterveld, D., Reimer, P. E., Reinhold, J., Roche, J., Rock, S. E., Schulte, E., Segbefia, E., Smith, C., Smith, G. R., Stoler, P., Tadevosyan, V., Tang, L., Telfeyan, J., Todor, L., Ungaro, M., Uzzle, A., Vidakovic, S., Villano, A., Vulcan, W. F., Wang, M., Warren, G., Wesselmann, F., Wojtsekhowski, B., Wood, S. A., Xu, C., Yan, C., Yuan, L., Zheng, X., Zihlmann, B., Zhu, H.
Publikováno v:
Phys. Rev. C 97, 045204 (2018)
Structure functions, as measured in lepton-nucleon scattering, have proven to be very useful in studying the quark dynamics within the nucleon. However, it is experimentally difficult to separately determine the longitudinal and transverse structure
Externí odkaz:
http://arxiv.org/abs/1606.02614
Autor:
Huber, G. M., Blok, H. P., Butuceanu, C., Gaskell, D., Horn, T., Mack, D. J., Abbott, D., Aniol, K., Anklin, H., Armstrong, C., Arrington, J., Assamagan, K., Avery, S., Baker, O. K., Barrett, B., Beise, E. J., Bochna, C., Boeglin, W., Brash, E. J., Breuer, H., Chang, C. C., Chant, N., Christy, M. E., Dunne, J., Eden, T., Ent, R., Fenker, H., Gibson, E. F., Gilman, R., Gustafsson, K., Hinton, W., Holt, R. J., Jackson, H., Jin, S., Jones, M. K., Keppel, C. E., Kim, P. H., Kim, W., King, P. M., Klein, A., Koltenuk, D., Kovaltchouk, V., Liang, M., Liu, J., Lolos, G. J., Lung, A., Margaziotis, D. J., Markowitz, P., Matsumura, A., McKee, D., Meekins, D., Mitchell, J., Miyoshi, T., Mkrtchyan, H., Mueller, B., Niculescu, G., Niculescu, I., Okayasu, Y., Pentchev, L., Perdrisat, C., Pitz, D., Potterveld, D., Punjabi, V., Qin, L. M., Reimer, P. E., Reinhold, J., Roche, J., Roos, P. G., Sarty, A., Shin, I. K., Smith, G. R., Stepanyan, S., Tang, L. G., Tadevosyan, V., Tvaskis, V., van der Meer, R. L. J., Vansyoc, K., Van Westrum, D., Vidakovic, S., Volmer, J., Vulcan, W., Warren, G., Wood, S. A., Xu, C., Yan, C., Zhao, W. -X., Zheng, X., Zihlmann, B., Collaboration, The Jefferson Lab Fpi
Publikováno v:
Physical Review C 91 (2015) 015202
Background: Measurements of forward exclusive meson production at different squared four-momenta of the exchanged virtual photon, $Q^2$, and at different four-momentum transfer, t, can be used to probe QCD's transition from meson-nucleon degrees of f
Externí odkaz:
http://arxiv.org/abs/1412.5140
Autor:
Huber, G. M., Blok, H. P., Butuceanu, C., Gaskell, D., Horn, T., Mack, D. J., Abbott, D., Aniol, K., Anklin, H., Armstrong, C., Arrington, J., Assamagan, K., Avery, S., Baker, O. K., Barrett, B., Beise, E. J., Bochna, C., Boeglin, W., Brash, E. J., Breuer, H., Chang, C. C., Chant, N., Christy, M. E., Dunne, J., Eden, T., Ent, R., Fenker, H., Gibson, E. F., Gilman, R., Gustafsson, K., Hinton, W., Holt, R. J., Jackson, H., Jin, S., Jones, M. K., Keppel, C. E., Kim, P. H., Kim, W., King, P. M., Klein, A., Koltenuk, D., Kovaltchouk, V., Liang, M., Liu, J., Lolos, G. J., Lung, A., Margaziotis, D. J., Markowitz, P., Matsumura, A., McKee, D., Meekins, D., Mitchell, J., Miyoshi, T., Mkrtchyan, H., Mueller, B., Niculescu, G., Niculescu, I., Okayasu, Y., Pentchev, L., Perdrisat, C., Pitz, D., Potterveld, D., Punjabi, V., Qin, L. M., Reimer, P. E., Reinhold, J., Roche, J., Roos, P. G., Sarty, A., Shin, I. K., Smith, G. R., Stepanyan, S., Tang, L. G., Tadevosyan, V., Tvaskis, V., van der Meer, R. L. J., Vansyoc, K., Van Westrum, D., Vidakovic, S., Volmer, J., Vulcan, W., Warren, G., Wood, S. A., Xu, C., Yan, C., Zhao, W. -X., Zheng, X., Zihlmann, B.
Publikováno v:
Physical Review Letters 112, 182501 (2014)
The study of exclusive $\pi^{\pm}$ electroproduction on the nucleon, including separation of the various structure functions, is of interest for a number of reasons. The ratio $R_L=\sigma_L^{\pi^-}/\sigma_L^{\pi^+}$ is sensitive to isoscalar contamin
Externí odkaz:
http://arxiv.org/abs/1404.3985
Autor:
G0 Collaboration, Androic, D., Armstrong, D. S., Arvieux, J., Asaturyan, R., Averett, T. D., Bailey, S. L., Batigne, G., Beck, D. H., Beise, E. J., Benesch, J., Benmokhtar, F., Bimbot, L., Birchall, J., Biselli, A., Bosted, P., Breuer, H., Brindza, P., Capuano, C. L., Carlini, R. D., Carr, R., Chant, N., Chao, Y. -C., Clark, R., Coppens, A., Covrig, S. D., Cowley, A., Dale, D., Davis, C. A., Ellis, C., Falk, W. R., Fenker, H., Finn, J. M., Forest, T., Franklin, G., Frascaria, R., Furget, C., Gaskell, D., Gericke, M. T. W., Grames, J., Griffioen, K. A., Grimm, K., Guillard, G., Guillon, B., Guler, H., Gustafsson, K., Hannelius, L., Hansknecht, J., Hasty, R. D., Allen, A. M. Hawthorne, Horn, T., Ito, T. M., Johnston, K., Jones, M., Kammel, P., Kazimi, R., King, P. M., Kolarkar, A., Korkmaz, E., Korsch, W., Kox, S., Kuhn, J., Lachniet, J., Laszewski, R., Lee, L., Lenoble, J., Liatard, E., Liu, J., Lung, A., MacLachlan, G. A., Mammei, J., Marchand, D., Martin, J. W., Mack, D. J., McFarlane, K. W., McKee, D. W., McKeown, R. D., Merchez, F., Mihovilovic, M., Micherdzinska, A., Mkrtchyan, H., Moffit, B., Morlet, M., Muether, M., Musson, J., Nakahara, K., Neveling, R., Niccolai, S., Nilsson, D., Ong, S., Page, S. A., Papavassiliou, V., Pate, S. F., Phillips, S. K., Pillot, P., Pitt, M. L., Poelker, M., Porcelli, T. A., Quemener, G., Quinn, B. P., Ramsay, W. D., Rauf, A. W., Real, J. -S., Ries, T., Roos, J. Roche P., Rutledge, G. A., Schaub, J., Secrest, J., Seva, T., Simicevic, N., Smith, G. R., Spayde, D. T., Stepanyan, S., Stutzman, M., Suleiman, R., Tadevosyan, V., Tieulent, R., van de Wiele, J., van Oers, W. T. H., Versteegen, M., Voutier, E., Vulcan, W. F., Wells, S. P., Warren, G., Williamson, S. E., Woo, R. J., Wood, S. A., Yan, C., Yun, J., Zeps, V.
Publikováno v:
Nucl. Instrum. Methods A 646 (2011)59
In the G0 experiment, performed at Jefferson Lab, the parity-violating elastic scattering of electrons from protons and quasi-elastic scattering from deuterons is measured in order to determine the neutral weak currents of the nucleon. Asymmetries as
Externí odkaz:
http://arxiv.org/abs/1103.0761
Autor:
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., Zhu, L.
Publikováno v:
Phys.Rev.C81:052201,2010
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
Externí odkaz:
http://arxiv.org/abs/0911.3943
Autor:
Blok, H. P., Horn, T., Huber, G. M., Beise, E. J., Gaskell, D., Mack, D. J., Tadevosyan, V., Volmer, J., Abbott, D., Aniol, K., Anklin, H., Armstrong, C., Arrington, J., Assamagan, K., Avery, S., Baker, O. K., Barrett, B., Bochna, C., Boeglin, W., Brash, E. J., Breuer, H., Chang, C. C., Chant, N., Christy, M. E., Dunne, J., Eden, T., Ent, R., Fenker, H., Gibson, E., Gilman, R., Gustafsson, K., Hinton, W., Holt, R. J., Jackson, H., Jin, S., Jones, M. K., Keppel, C. E., Kim, P. H., Kim, W., King, P. M., Klein, A., Koltenuk, D., Kovaltchouk, V., Liang, M., Liu, J., Lolos, G. J., Lung, A., Margaziotis, D. J., Markowitz, P., Matsumura, A., McKee, D., Meekins, D., Mitchell, J., Miyoshi, T., Mkrtchyan, H., Mueller, B., Niculescu, G., Niculescu, I., Okayasu, Y., Pentchev, L., Perdrisat, C., Pitz, D., Potterveld, D., Punjabi, V., Qin, L. M., Reimer, P., Reinhold, J., Roche, J., Roos, P. G., Sarty, A., Shin, I. K., Smith, G. R., Stepanyan, S., Tang, L. G., Tvaskis, V., van der Meer, R. L. J., Vansyoc, K., Van Westrum, D., Vidakovic, S., Vulcan, W., Warren, G., Wood, S. A., Xu, C., Yan, C., Zhao, W. -X., Zheng, X., Zihlmann, B.
Publikováno v:
Phys.Rev.C78:045202,2008
Cross sections for the reaction ${^1}$H($e,e'\pi^+$)$n$ were measured in Hall C at Thomas Jefferson National Accelerator Facility (JLab) using the CEBAF high-intensity, continous electron beam in order to determine the charged pion form factor. Data
Externí odkaz:
http://arxiv.org/abs/0809.3161
Autor:
Huber, G. M., Blok, H. P., Horn, T., Beise, E. J., Gaskell, D., Mack, D. J., Tadevosyan, V., Volmer, J., Abbott, D., Aniol, K., Anklin, H., Armstrong, C., Arrington, J., Assamagan, K., Avery, S., Baker, O. K., Barrett, B., Bochna, C., Boeglin, W., Brash, E. J., Breuer, H., Chang, C. C., Chant, N., Christy, M. E., Dunne, J., Eden, T., Ent, R., Gibson, E., Gilman, R., Gustafsson, K., Hinton, W., Holt, R. J., Jackson, H., Jin, S., Jones, M. K., Keppel, C. E., Kim, P. H., Kim, W., King, P. M., Klein, A., Koltenuk, D., Kovaltchouk, V., Kiang, M., Liu, J., Lolos, G. J., Lung, A., Margaziotis, D. J., Markowitz, P., Matsumura, A., McKee, D., Meekins, D., Mitchell, J., Miyoshi, T., Mkrtchyan, H., Mueller, B., Niculescu, G., Niculescu, I., Okayasu, Y., Pentchev, L., Perdrisat, C., Pitz, D., Potterveld, D., Punjabi, V., Qin, L. M., Reimer, P., Reinhold, J., Roche, J., Roos, P. G., Sarty, A., Shin, I. K., Smith, G. R., Stepanyan, S., Tang, L. G., Tvaskis, V., van der Meer, R. L. J., Vansyoc, K., Van Westrum, D., Vidakovic, S., Vulcan, W., Warren, G., Wood, S. A., Xu, C., Yan, C., Zhao, W. -X., Zheng, X., Zihlmann, B.
Publikováno v:
Phys.Rev.C78:045203,2008
The charged pion form factor, Fpi(Q^2), is an important quantity which can be used to advance our knowledge of hadronic structure. However, the extraction of Fpi from data requires a model of the 1H(e,e'pi+)n reaction, and thus is inherently model de
Externí odkaz:
http://arxiv.org/abs/0809.3052
Autor:
Dohrmann, F., Ahmidouch, A., Armstrong, C. S., Arrington, J., Asaturyan, R., Avery, S., Bailey, K., Bitao, H., Breuer, H., Brown, D. S., Carlini, R., Cha, J., Chant, N., Christy, E., Cochran, A., Cole, L., Crowder, J., Danagoulian, S., Elaasar, M., Ent, R., Fenker, H., Fujii, Y., Gan, L., Garrow, K., Geesaman, D. F., Gueye, P., Hafidi, K., Hinton, W., Juengst, H., Keppel, C., Liang, Y., Liu, J. H., Lung, A., Mack, D., Markowitz, P., Mitchell, J., Miyoshi, T., Mkrtchyan, H., Mtingwa, S. K., Mueller, B., Niculescu, G., Niculescu, I., Potterveld, D., Raue, B. A., Reimer, P. E., Reinhold, J., Roche, J., Sarsour, M., Sato, Y., Segel, R. E., Semenov, A., Stepanyan, S., Tadevosyan, V., Tajima, S., Tang, L., Uzzle, A., Wood, S., Yamaguchi, H., Yan, C., Yuan, L., Zeidman, B., Zeier, M., Zihlmann, B.
Publikováno v:
Phys.Rev.C76:054004,2007
Kaon electroproduction from light nuclei and hydrogen, using 1H, 2H, 3He, 4He, and Carbon targets has been measured at Jefferson Laboratory. The quasifree angular distributions of Lambda and Sigma hyperons were determined at Q^2= 0.35(GeV/c)^2 and W=
Externí odkaz:
http://arxiv.org/abs/0707.3059
Autor:
collaboration, The Fpi-1, Tadevosyan, V., Blok, H. P., Huber, G. M., Abbott, D., Anklin, H., Armstrong, C., Arrington, J., Assamagan, K., Avery, S., Baker, O. K., Bochna, C., Brash, E. J., Breuer, H., Chant, N., Dunne, J., Eden, T., Ent, R., Gaskell, D., Gilman, R., Gustafsson, K., Hinton, W., Jackson, H., Jones, M. K., Keppel, C., Kim, P. H., Kim, W., Klein, A., Koltenuk, D., Liang, M., Lolos, G. J., Lung, A., Mack, D. J., McKee, D., Meekins, D., Mitchell, J., Mkrtchyan, H., Mueller, B., Niculescu, G. Niculescu I., Pitz, D., Potterveld, D., Qin, L. M., Reinhold, J., Shin, I. K., Stepanyan, S., Tang, L. G., van der Meer, R. L. J., Vansyoc, K., Van Westrum, D., Volmer, J., Vulcan, W., Wood, S., Yan, C., Zhao, W. -X., Zihlmann, B.
Publikováno v:
Phys.Rev.C75:055205,2007
The data analysis for the reaction H(e,e' pi^+)n, which was used to determine values for the charged pion form factor Fpi for values of Q^2=0.6-1.6 GeV^2, has been repeated with careful inspection of all steps and special attention to systematic unce
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0607007
Autor:
Collaboration, The Jefferson Lab Hall C E94-110, Liang, Y., Tvaskis, V., Christy, M. E., Ahmidouch, A., Armstrong, C. S., Arrington, J., Asaturyan, R., Avery, S., Baker, O. K., Beck, D. H., Blok, H. P., Bochna, C. W., Boeglin, W., Bosted, P., Bouwhuis, M., Breuer, H., Brown, D. S., Bruell, A., Carlini, R. D., Cha, J., Chant, N. S., Cochran, A., Cole, L., Danagoulian, S., Day, D. B., Dunne, J., Dutta, D., Ent, R., Fenker, H. C., Fox, B., Gan, L., Gao, H., Garrow, K., Gaskell, D., Gasparian, A., Geesaman, D. F., Gilman, R., Gu`eye, P. L. J., Harvey, M., Holt, R. J., Jiang, X., Jones, M., Keppel, C. E., Kinney, E., Lorenzon, W., Lung, A., Mack, D. J., Markowitz, P., Martin, J. W., McIlhany, K., McKee, D., Meekins, D., Miller, M. A., Milner, R. G., Mitchell, J. H., Mkrtchyan, H., Mueller, B. A., Nathan, A., Niculescu, G., Niculescu, I., O'Neill, T. G., Papavassiliou, V., Pate, S. F., Piercey, R. B., Potterveld, D., Ransome, R. D., Reinhold, J., Rollinde, E., Rondon, O., Roos, P., Sarty, A. J., Sawafta, R., Schulte, E. C., Segbefia, E., Smith, C., Stepanyan, S., Strauch, S., Tadevosyan, V., Tang, L., Tieulent, R., Uzzle, A., Vulcan, W. F., Wood, S. A., Xiong, F., Yuan, L., Zeier, M., Zihlmann, B., Ziskin, V.
We report on a detailed study of longitudinal strength in the nucleon resonance region, presenting new results from inclusive electron-proton cross sections measured at Jefferson Lab Hall C in the four-momentum transfer range 0.2 < Q^2 < 5.5 GeV^2. T
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0410027