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10 results on '"structure function: ratio"'

1. Multidimensional, High Precision Measurements of Beam Single Spin Asymmetries in Semi-inclusive π + Electroproduction off Protons in the Valence Region

Author

Diehl, S, Kim, A, Angelini, G, Joo, K, Adhikari, S, Amaryan, M, Arratia, M, Atac, H, Avakian, H, Ayerbe Gayoso, C, Baltzell, N A, Barion, L, Bastami, S, Battaglieri, M, Bedlinskiy, I, Benmokhtar, F, Bianconi, A, Biselli, A S, Bondi, M, Bossù, F, Boiarinov, S, Brinkmann, K-T, Briscoe, W J, Brooks, W, Bulumulla, D, Burkert, V D, Carman, D S, Carvajal, J C, Celentano, A, Chatagnon, P, Chetry, T, Ciullo, G, Clark, L, Clary, B A, Cole, P L, Contalbrigo, M, Costantini, G, Crede, V, D'Angelo, A, Dashyan, N, De Vita, R, Defurne, M, Deur, A, Dilks, C, Djalali, C, Dugger, M, Dupre, R, Egiyan, H, Ehrhart, M, El Alaoui, A, El Fassi, L, Elouadrhiri, L, Fegan, S, Filippi, A, Forest, T, Gavalian, G, Gilfoyle, G P, Girod, F X, Glazier, D I, Golubenko, A A, Gothe, R W, Gotra, Y, Griffioen, K A, Guidal, M, Hafidi, K, Hakobyan, H, Hattawy, M, Hauenstein, F, Hayward, T B, Heddle, D, Hicks, K, Hobart, A, Holtrop, M, Hyde, C E, Ireland, D G, Isupov, E L, Jo, H S, Johnston, R, Joosten, S, Keller, D, Khachatryan, M, Khanal, A, Kim, W, Kripko, A, Kubarovsky, V, Kuhn, S E, Lanza, L, Leali, M, Lee, S, Lenisa, P, Livingston, K, Lu, Z, MacGregor, I J D, Marchand, D, Markov, N, Marsicano, L, Mascagna, V, McKinnon, B, Meziani, Z E, Milner, R G, Mineeva, T, Mirazita, M, Mokeev, V, Moran, P, Movsisyan, A, Munoz Camacho, C, Nadel-Turonski, P, Naidoo, Paul, Nanda, S, Neupane, K, Niccolai, S, Niculescu, G, O'Connell, T R, Osipenko, M, Paolone, M, Pappalardo, L L, Paremuzyan, R, Pasyuk, E, Phelps, W, Pogorelko, O, Prok, Y, Prokudin, A, Raue, B A, Ripani, M, Ritman, J, Rizzo, A, Roberts, C D, Rossi, P, Rowley, J, Sabatié, F, Salgado, C, Schmidt, A, Segarra, E P, Sharabian, Y G, Shrestha, U, Simmerling, P, Sokhan, D, Soto, O, Sparveris, N, Stepanyan, S, Stoler, P, Strakovsky, I I, Strauch, S, Tezgin, K, Thornton, A., Tyler, N, Tyson, R, Ungaro, M, Venturelli, L, Voskanyan, H, Vossen, A, Voutier, E, Watts, D P, Wei, K, Wei, X, Xu, S-S, Yale, B, Zachariou, N, Zhang, J, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), and CLAS

Subjects
deep inelastic scattering: semi-inclusive reaction, precision measurement, Settore FIS/04, nucleon, pi+: electroproduction, parton: distribution function, structure function: ratio, polarized beam, quark gluon: correlation, transverse momentum dependence, High Energy Physics - Experiment, kinematics, CLAS, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], twist: 3, ddc:530, High Energy Physics::Experiment, electron: beam, higher-dimensional, Nuclear Experiment, spin: asymmetry, experimental results, Jefferson Lab
Abstract

Physical review letters 128(6), 062005 (2022). doi:10.1103/PhysRevLett.128.062005, High precision measurements of the polarized electron beam-spin asymmetry in semi-inclusive deep inelastic scattering (SIDIS) from the proton have been performed using a 10.6 GeV incident electron beam and the CLAS12 spectrometer at Jefferson Lab. We report here a high precision multidimensional study of single π+ SIDIS data over a large kinematic range in Bjorken x, fractional energy, and transverse momentum of the hadron as well as photon virtualities Q2 ranging from 1–7 GeV2. In particular, the structure function ratio FsinϕLU/FUU has been determined, where FsinϕLU is a twist-3 quantity that can reveal novel aspects of emergent hadron mass and quark-gluon correlations within the nucleon. The data’s impact on the evolving understanding of the underlying reaction mechanisms and their kinematic variation is explored using theoretical models for the different contributing transverse momentum dependent parton distribution functions., Published by APS, College Park, Md.

Published
2022
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2. First multidimensional, high precision measurements of semi-inclusive $\pi^+$ beam single spin asymmetries from the proton over a wide range of kinematics

Author

DIEHL, S., KIM, A., ANGELINI, G., JOO, K., ADHIKARI, S., AMARYAN, M., ARRATIA, M., ATAC, H., AVAKIAN, H., GAYOSO, C. Ayerbe, BALTZELL, N.A., BARION, L., BASTAMI, S., BATTAGLIERI, M., BEDLINSKIY, I., BENMOKHTAR, F., BIANCONI, A., BISELLI, A.S., BONDI, M., BOSSÙ, F., BOIARINOV, S., BRINKMANN, K.-T., BRISCOE, W.J., BROOKS, W., BULUMULLA, D., BURKERT, V.D., CARMAN, D.S., CARVAJAL, J.C., CELENTANO, A., CHATAGNON, P., CHETRY, T., CIULLO, G., CLARK, L., CLARY, B.A., COLE, P.L., CONTALBRIGO, M., COSTANTINI, G., CREDE, V., D'ANGELO, A., DASHYAN, N., DE VITA, R., DEFURNE, M., DEUR, A., DILKS, C., DJALALI, C., DUGGER, M., DUPRE, R., EHRHART, M., ALAOUI, A. El, FASSI, L. El, ELOUADRHIRI, L., FEGAN, S., FILIPPI, A., FOREST, T., GAVALIAN, G., GILFOYLE, G.P., GIROD, F.X., GLAZIER, D.I., GOLUBENKO, A.A., GOTHE, R.W., GOTRA, Y., GRIFFIOEN, K.A., GUIDAL, M., HAFIDI, K., HAKOBYAN, H., HATTAWY, M., HAYWARD, T.B., HEDDLE, D., HICKS, K., HOBART, A., HOLTROP, M., HYDE, C.E., IRELAND, D.G., ISUPOV, E.L., JO, H.S., JOHNSTON, R., JOOSTEN, S., KELLER, D., KHACHATRYAN, M., KHANAL, A., KIM, W., KRIPKO, A., KUBAROVSKY, V., KUHN, S.E., LANZA, L., LEALI, M., LEE, S., LENISA, P., LIVINGSTON, K., LU, Z., MACGREGOR, I.J.D., MARCHAND, D., MARKOV, N., MARSICANO, L., MASCAGNA, V., MCKINNON, B., MEZIANI, Z.E., MILNER, R.G., MINEEVA, T., MIRAZITA, M., MOKEEV, V., MORAN, P., MOVSISYAN, A., MUNOZ CAMACHO, C., NADEL-TURONSKI, P., NAIDOO, P., NEUPANE, K., NICCOLAI, S., NICULESCU, G., O'CONNELL, T.R., OSIPENKO, M., PAOLONE, M., PAPPALARDO, L.L., PAREMUZYAN, R., PASYUK, E., PHELPS, W., POGORELKO, O., PROK, Y., PROKUDIN, A., RAUE, B.A., RIPANI, M., RITMAN, J., RIZZO, A., ROBERTS, C.D., ROSSI, P., ROWLEY, J., SABATIÉ, F., SALGADO, C., SCHMIDT, A., SEGARRA, E.P., SHARABIAN, Y.G., SHRESTHA, U., SOTO, O., SPARVERIS, N., STEPANYAN, S., STOLER, P., STRAKOVSKY, I.I., STRAUCH, S., TEZGIN, K., THORNTON, A., TYLER, N., TYSON, R., UNGARO, M., VENTURELLI, L., VOSKANYAN, H., VOSSEN, A., VOUTIER, E., WATTS, D.P., WEI, K., WEI, X., XU, S.-S., YALE, B., ZACHARIOU, N., ZHANG, J., Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), and CLAS

Subjects
deep inelastic scattering: semi-inclusive reaction, precision measurement, nucleon, pi+: electroproduction, parton: distribution function, structure function: ratio, polarized beam, quark gluon: correlation, transverse momentum dependence, kinematics, CLAS, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, twist: 3, electron: beam, higher-dimensional, Nuclear Experiment, spin: asymmetry, experimental results, Jefferson Lab
Abstract

High precision measurements of the polarized electron beam-spin asymmetry in semi-inclusive deep inelastic scattering (SIDIS) from the proton have been performed using a 10.6 GeV incident electron beam and the CLAS12 spectrometer at Jefferson Lab. We report here the first multidimensional study of single $\pi^+$ SIDIS data over a large kinematic range in $z$, $x_B$, $P_T$ and virtualities $Q^2$ ranging from 1 GeV$^2$ up to 7 GeV$^2$. In particular, the structure function ratio $F_{LU}^{\sin\phi}/F_{UU}$ has been determined, where $F_{LU}^{\sin\phi}$ is a twist-3 quantity that can reveal novel properties of quark-gluon correlations within the nucleon. The impact of the data on the evolving understanding of the underlying reaction mechanisms and their kinematic variation is explored using theoretical models for the different contributing transverse momentum dependent parton distribution functions.

Published
2021

3. A re-evaluation of the nuclear structure function ratios for D, He, 6Li, C and Ca

Author

P. Amaudruz, M. Arneodo, A. Arvidson, B. Badelek, M. Ballintijn, G. Baum, J. Beaufays, I.G. Bird, P. Björkholm, M. Botje, C. Broggini, W. Brückner, A. Brüll, W.J. Burger, J. Ciborowski, R. van Dantzig, H. Döbbeling, J. Domingo, J. Drinkard, A. Dyring, H. Engelien, M.I. Ferrero, L. Fluri, U. Gaul, P. Grafstrom, T. Granier, D. von Harrach, M. van der Heijden, C. Heusch, Q. Ingram, K. Janson-Prytz, M. de Jong, E.M. Kabuβ, R. Kaiser, T.J. Ketel, F. Klein, B. Korzen, U. Krüner, S. Kullander, U. Landgraf, F. Lettenström, T. Lindqvist, G.K. Mallot, C. Mariotti, G. van Middelkoop, A. Milsztajn, Y. Mizuno, A. Most, A. Mücklich, J. Nassalski, D. Nowotny, N. Pavel, J. Oberski, A. Paić, C. Peroni, H. Peschel, B. Povh, R. Rieger, K. Rith, K. Röhrich, E. Rondio, L. Ropelewski, A. Sandacz, D. Sanders, C. Scholz, R. Schumacher, R. Seitz, U. Sennhauser, F. Sever, T.-A. Shibata, M. Siebler, A. Simon, A. Staiano, M. Szleper, G. Taylor, M. Treichel, Y. Tzamouranis, M. Virchaux, J.L. Vuilleumier, T. Walcher, R. Windmolders, A. Witzmann, and F. Zetsche

Subjects
Nuclear and High Energy Physics, Particle physics, muon nucleus: deep inelastic scattering, 90: 200 GeV, Analytical chemistry, helium, mass: correction, numerical calculations: interpretation of experiments, INELASTIC MUON SCATTERING, radiative correction, F2(N)/F2(P), deep inelastic scattering: muon nucleus, correction: mass, deuterium, Physics, calcium, Muon, Scattering, carbon, Structure function, Nuclear structure, structure function: ratio, Deuterium, lithium, Phenomenology-HEP
Abstract

We present a re-evaluation of the structure function ratios F2(He)/F2(D), F2(C)/F2(D) and F2(Ca)/F2(D) measured in deep inelastic muon-nucleus scattering at an incident muon momentum of 200 GeV. We also present the ratios F2(C)/F2(Li), F2(Ca)/F2(Li) and F2(Ca)/F2(C) measured at 90 GeV. The results are based on data already published by NMC; the main difference in the analysis is a correction for the masses of the deuterium targets and an improvement in the radiative corrections. The kinematic range covered is 0.0035 < x < 0.65, 0.5 < Q~2

Published
1995
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4. Precision measurements of the spin-dependent structure functions g$^p_1$ and g$^d_1$ of the proton and the deuteron and extraction of the neutron spin structure function g$^n_1$ at HERMES

Author

Ehrenfried, Markus

Subjects
electron p: deep inelastic scattering, cross section, electron: polarized beam, 27.6 GeV, n: structure function, thesis, deuteron: structure function, structure function: ratio, HERMES, structure function: spin, electron deuteron: deep inelastic scattering, momentum transfer dependence, x-dependence, DESY HERA Stor, polarization: asymmetry, polarized target: internal, p: structure function, experimental results
Abstract

Friedrich-Alexander-Universität Erlangen-Nürnberg, Diss., 2005; 127 pp., (2005). doi:10.3204/DESY-THESIS-2005-041, Published by Deutsches Elektronen-Synchrotron, DESY, Hamburg

Published
2005
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5. Bestimmung der Verhältnisse der $F{^n_2}$- und $F{^p_2}$-Strukturfunktion sowie der $u$- und $d$-Valenzquarkverteilung

Author

Seibert, J.

Subjects
electron p: deep inelastic scattering, ratio [structure function], momentum spectrum [quark], structure function [n], n: structure function, HERMES [magnetic spectrometer], target: internal, structure function [p], pi: electroproduction, p: structure function, RICH, electroproduction [pi], magnetic spectrometer: HERMES, internal [target], thesis, structure function: ratio, bibliography, electron deuteron: deep inelastic scattering, quark: momentum spectrum, DESY HERA Stor, valence [quark], deep inelastic scattering [electron p], quark: valence, deep inelastic scattering [electron deuteron], experimental results
Abstract

Universität Freiburg, Diss., 2001; 124 pp. (2001). = Universität Freiburg, Diss., 2001

Published
2001
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6. Messung der polarisierten Strukturfunktion $\mathrm{g^p_1}$ des Protons im HERMES-Experiment

Author

Gute, Andreas

Subjects
positron: polarized beam, positron p: deep inelastic scattering, thesis, positron p: inclusive reaction, structure function: ratio, bibliography, HERMES, structure function: spin, momentum transfer dependence, DESY HERA Stor, polarized target: internal, p: structure function, 27.5 GeV/c, experimental results
Abstract

Dissertation, Friedrich-Alexander-Universität Erlangen-Nürnberg, 1999; 135 pp. (1999). = Dissertation, Friedrich-Alexander-Universität Erlangen-Nürnberg, 1999

Published
1999
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7. Reevaluation of the Gottfried Sum

Author

Arneodo, M., Arvidson, A., Bruckner, W., Brull, A., Burger, W. J., Ciborowski, J., van Dantzig, R., Dyring, A., Engelien, H., Ferrero, M. I., Fluri, L., Gaul, U., Badelek, B., Granier, T., von Harrach, D., van der Heijden, M., Heusch, C., Ingram, C. H. Quentin, Janson-Prytz, K., de Jong, M., Kabuss, E. M., Kaiser, R., Ketel, T. J., Ballintijn, M., Klein, F., Kullander, S., Landgraf, U., Lindqvist, T., Mallot, G. K., Mariotti, C., van Middelkoop, G., Milsztajn, A., Mizuno, Y., Nassalski, J., Baum, Guenter, Oberski, J., Nowotny, D., Paic, A., Peroni, C., Povh, B., Rieger, R., Rith, K., Rohrich, K., Rondio, E., Ropelewski, L., Beaufays, J., Sandacz, A., Sanders, D., Scholz, C., Schumacher, R., Seitz, R., Sever, F., Shibata, T. A., Siebler, M., Simon, A., Staiano, A., Bird, I. G., Szleper, M., Tzamouranis, Y., Virchaux, M., Vuilleumier, J. L., Walcher, T., Windmolders, R., Witzmann, A., Zetsche, F., NMC Collaboration, Bjorkholm, P., Botje, M., and Broggini, C.

Subjects
Particle physics, difference [structure function], ratio [structure function], structure function [n], n: structure function, Gottfried [sum rule], RATIO F2(N)/F2(P), structure function [p], small-x [structure function], Combinatorics, numerical calculations: interpretation of experiments, INELASTIC MUON SCATTERING, interpretation of experiments [numerical calculations], radiative correction, ddc:530, structure function: difference, p: structure function, sum rule: Gottfried, Physics, structure function [deuteron], Structure function, deuteron: structure function, structure function: ratio, model: quark parton, x-dependence [structure function], structure function: x-dependence, structure function: small-x, quark parton [model], ELECTROMAGNETIC CORRECTIONS, Particle Physics - Experiment
Abstract

Physical review / D 50(1), R1 - R3 (1994). doi:10.1103/PhysRevD.50.R1, We present a new determination of the nonsinglet structure function ${\mathit{F}}_{2}^{\mathit{p}}$ - ${\mathit{F}}_{2}^{\mathit{n}}$ at ${\mathit{Q}}^{2}$=4 ${\mathrm{GeV}}^{2}$ using recently measured values of ${\mathit{F}}_{2}^{\mathit{d}}$ and ${\mathit{F}}_{2}^{\mathit{n}}$/${\mathit{F}}_{2}^{\mathit{p}}$. A new evaluation of the Gottfried sum is given, which remains below the simple quark-parton model value of 1/3., Published by Inst., Woodbury, NY

Published
1994
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8. A measurement of the ratio of the nucleon structure function in copper and deuterium

Author

J. Womersley, T. O. Niinikoski, N. Pavel, C. Benchouk, T. Schröder, W.S.C. Williams, F. Lettenström, G.R. Court, V. Papavassiliou, Jozsef Toth, F. G. Oakham, F. Combley, Tim Jones, M. I. Ferrero, Ricardo Piegaia, R. F. Oppenheim, Klaus Mönig, E. Gabathuler, T. Lindqvist, V. W. Hughes, T. Ernst, B. Badelek, B. Pietrzyk, Stephen Wimpenny, Joshua Thompson, Ulrich Landgraf, Bogdan Povh, E. Rondio, J. Gillies, K. P. Schüler, B. Korzen, J. Gajewski, M. C. Caputo, K. Schultze, D. Lanske, A. Jacholkowska, A. Sandacz, L. Urban, E. M. Kabuss, G. D'Agostini, S.C. Brown, L. Ropelewski, P. B. Renton, J. S. Chima, N. Dyce, H. E. Stier, D. von Harrach, Klaus Hamacher, H. Peschel, F. Montanet, Jacek Ciborowski, P. Grafström, M. Matthews, T. A. Shibata, P.J. Hayman, J. Drees, J. M. Rieubland, W. Wallucks, S. Wheeler, David Francis, J. Stock, C. Peroni, T. Walcher, J. Nassalski, Günter Baum, K. Rith, J.R. Holt, V. Gibson, R. W. Clifft, Amedeo Staiano, U. Krüner, Geoffrey Taylor, A. W. Edwards, P. R. Norton, R. Gamet, Y. Mizuno, Christopher Bee, Karl Ziemons, J. G. Ashman, Harry Cheung, D. Salmon, A.M. Osborne, S. Kullander, T. J. Sloan, M. C. Edwards, Roland Windmolders, Michael Düren, I. G. Bird, G. Coignet, J. Beaufays, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), EMC, and BOMBAR, Claudine

Subjects
Quark, Particle physics, forward spectrometer: experimental results, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], muon nucleus: deep inelastic scattering, Physics and Astronomy (miscellaneous), Nuclear Theory, deep inelastic scattering: muon deuteron, chemistry.chemical_element, Elementary particle, muon deuteron: deep inelastic scattering, 01 natural sciences, 7. Clean energy, Nuclear physics, 0103 physical sciences, effect: shadowing, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Redistribution (chemistry), Quantum field theory, deep inelastic scattering: muon nucleus, Nuclear Experiment, 010306 general physics, Engineering (miscellaneous), Physics, 010308 nuclear & particles physics, structure function: ratio, nucleon: structure function, CERN SPS, quark: momentum spectrum, Copper, Deuterium, chemistry, copper, 100: 120: 200: 280 GeV, Nucleon, Electron scattering, Particle Physics - Experiment
Abstract

Results are presented on the ratios of the nucleon structure function in copper to deuterium from two separate experiments. The data confirm that the nucleon structure function,F2, is different for bound nucleons than for the quasi-free ones in the deuteron. The redistribution in the fraction of the nucleon's momentum carried by quarks is investigated and it is found that the data are compatible with no integral loss of quark momenta due to nuclear effects.

Published
1993

9. Measurements of $R^{d}-R^{p}$ and $R^{Ca}-R^{C}$ in deep inelastic muon scattering

Author

Geoffrey Taylor, J. Domingo, Y. Mizuno, K. Röhrich, D. Nowotny, I. G. Bird, E. Rondio, E.M. Kabuß, J. Beaufays, A. Sandacz, M.I. Ferrero, F. Sever, C. Scholz, H. Döbbeling, L. Fluri, G. van Middelkoop, F. Zetsche, P. Amaudruz, C. Peroni, T. Granier, Gerhard K. Mallot, W. J. Burger, J. Drinkard, R. A. Schumacher, G. Baum, T. Lindqvist, A. Arvinson, U. Krüner, K. Janson-Prytz, T.-A. Shibata, R. Rieger, R. Windmolders, M. de Jong, J. Nassalski, M. Siebler, Thomas Walcher, M. Virchaux, D. von Harrach, F. Klein, N. Pavel, Michele Arneodo, Ulrich Landgraf, L. Ropelewski, B. Povh, H. Engelien, Quentin Ingram, M. van der Heijden, C. A. Heusch, B. Badelek, H. Peschel, M. Treichel, P. Grafström, R. Kaiser, A. Brüll, Chiara Mariotti, J. L. Vuilleumier, Amedeo Staiano, A. Simon, W. Brückner, K. Rith, U. Sennhauser, M. Botie, A. Milsztajn, R. van Dantzig, J. Ciborowski, Tjeerd Ketel, B. Korzen, F. Lettenström, C. Broggini, and S. Kullander

Subjects
Nuclear and High Energy Physics, Proton, muon nucleus: deep inelastic scattering, Nuclear Theory, polarization: longitudinal, deep inelastic scattering: muon deuteron, Virtual particle, cross section: ratio, photon: absorption, Elementary particle, muon deuteron: deep inelastic scattering, Nuclear physics, absorption: photon, deep inelastic scattering: muon p, polarization: transverse, HIGH STATISTICS MEASUREMENT, R=SIGMA-L/SIGMA-T, HIGH Q2, Nuclear Experiment, Absorption (electromagnetic radiation), deep inelastic scattering: muon nucleus, 90: 200: 280 GeV, Physics, Muon, calcium, Scattering, carbon, structure function: ratio, CERN SPS, longitudinal: polarization, Particle scattering, Deuterium, muon p: deep inelastic scattering, Physics::Accelerator Physics, transverse: polarization, Atomic physics, Particle Physics - Experiment, experimental results
Abstract

Results are presented on the difference in R, the ratio of longitudinally to transversely polarised virtual photon absorption cross sections, for the deuteron and the proton. They are obtained by c ...

Published
1992

10. Precision measurement of structure function ratios for Li-6, C-12 and Ca-40

Author

Amaudruz, P., Arneodo, M., Arvidson, A., Badelek, B., Baum, Günter, Beaufays, J., Bird, I. G., Botje, M., Broggini, C., Bruckner, W., Brüll, A., Burger, W. J., Ciborowski, J., van Dantzig, R., Dobbeling, H., Domingo, J., Drinkard, J., Engelien, H., Ferrero, M. I., Fluri, L., Grafstrom, P., von Harrach, D., van der Heijden, M., Heusch, C., Ingram, C. H. Quentin, Janson, K., de Jong, M., Kabuss, E. M., Kaiser, R., Ketel, T. J., Klein, F., Korzen, B., Kruner, U., Kullander, S., Landgraf, U., Lettenstrom, F., Lindqvist, T., Mallot, G. K., Mariotti, C., van Middelkoop, G., Mizuno, Y., Nassalski, J., Nowotny, D., Pavel, N., Peroni, C., Peschel, H., Povh, B., Rieger, R., Rith, K., Rohrich, K., Rondio, E., Ropelewski, L., Sandacz, A., Scholz, C., Schumacher, R., Sennhauser, U., Sever, F., Shibata, T. A., Siebler, M., Simon, A., Staiano, A., Taylor, G., Treichel, M., Vuilleumier, J. L., Walcher, T., Windmolders, R., and Zetsche, F.

Subjects
calcium, muon nucleus: deep inelastic scattering, carbon, dependence: mass number, mass number: dependence, structure function: ratio, nucleon: structure function, CERN SPS, magnetic spectrometer: experimental results, dependence: momentum transfer, lithium, 90 GeV, High Energy Physics::Experiment, nucleus: density, Nuclear Experiment, deep inelastic scattering: muon nucleus
Abstract

The structure function ratios F2C/F2Li, F2Ca/F2Li and F2Ca/F2C were measured in deep inelastic muon-nucleus scattering at an incident muon energy of 90 GeV, covering the kinematic range 0.0085 < x < 0.6 and 0.8 < Q2 < 17 GeV2. The sensitivity of the nuclear structure functions to the size and mean density of the target nucleus is discussed.

Published
1992

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