7 results on '"NEUTRAL-CURRENT"'
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2. Heavy quarks in deep-inelastic scattering
- Author
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Forte, S., Laenen, E.L.M.P., Nason, P., Rojo, J., Theoretical Physics, Sub String Theory Cosmology and ElemPart, Forte, S, Laenen, E, Nason, P, Rojo, J, Theoretical Physics, Sub String Theory Cosmology and ElemPart, String Theory (ITFA, IoP, FNWI), and (Astro)-Particles Physics
- Subjects
Quark ,Nuclear and High Energy Physics ,Particle physics ,COEFFICIENT FUNCTIONS ,Matching (graph theory) ,H1 VERTEX DETECTOR ,FOS: Physical sciences ,D-ASTERISK(+/-) MESON ,High Energy Physics - Phenomenology (hep-ph) ,Consistency (statistics) ,WILSON COEFFICIENT ,CHARM ELECTROPRODUCTION ,FLAVOR STRUCTURE FUNCTIONS ,Physics ,Quantum chromodynamics ,Neutral current ,High Energy Physics::Phenomenology ,CORRECTIONS ,hep-ph ,SDG 10 - Reduced Inequalities ,Decoupling (cosmology) ,NEUTRAL-CURRENT ,Deep inelastic scattering ,QCD ,High Energy Physics - Phenomenology ,GREATER-THAN M(2) ,PARTON DISTRIBUTIONS ,Gravitational singularity ,High Energy Physics::Experiment - Abstract
We discuss a general framework for the inclusion of heavy quark mass contributions to deep-inelastic structure functions and their perturbative matching to structure functions computed in variable-mass schemes. Our approach is based on the so-called FONLL method, previously introduced and applied to heavy quark hadroproduction and photoproduction. We define our framework, provide expressions up to second order in the strong coupling, and use them to construct matched expressions for structure functions up to NNLO. After checking explicitly the consistency of our results, we perform a study of the phenomenological impact of heavy quark terms, and compare results obtained at various perturbative orders, and with various prescriptions for the treatment of subleading terms, specifically those related to threshold behaviour. We also consider the heavy quark structure function F2c and discuss issues related to the presence of mass singularities in their coefficient functions., 51 pages, 25 figures. Final version, to be published in Nucl. Phys. B. References 19, 20, 24, 36 added; footnote 2 added; comparison to refs.18, 14 added in sect 2.1 and to ref 19 in sect 3.2. Discussion of fig.10 clarified.
- Published
- 2010
- Full Text
- View/download PDF
3. Parity Violation in Elastic Electron-Proton Scattering and the Proton's Strange Magnetic Form Factor
- Author
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Bao Yang, C. Benson, T. Zwart, Elitza Maneva, D.H. Barkhuff, S. P. Wells, R. Hasty, Takeyasu M. Ito, C. Eppstein, H. Breuer, B. Mueller, G. W. Dodson, K. McCarty, R. D. McKeown, B. W. Filippone, Wolfgang Korsch, E. J. Beise, T. Averett, Pei Yun Lee, J. Ritter, P. Naik, C. E. Jones, R. Carr, Evgeni Tsentalovich, K. A. Dow, S. Kowalski, V. Savu, S. Covrig, M. Farkhondeh, Douglas H Beck, Michael Pitt, Matthew James Sullivan, P. Frazier, J. DelCorso, D. T. Spayde, J. Mikell, and Raphael Noel Tieulent
- Subjects
Proton ,media_common.quotation_subject ,FOS: Physical sciences ,General Physics and Astronomy ,01 natural sciences ,Asymmetry ,Nuclear physics ,0103 physical sciences ,Magnetic form factor ,Radiative transfer ,Nuclear Experiment (nucl-ex) ,010306 general physics ,NUCLEON ,Nuclear Experiment ,media_common ,Physics ,Elastic scattering ,Neutral current ,010308 nuclear & particles physics ,Scattering ,NEUTRAL-CURRENT ,MOMENT ,Quantum electrodynamics ,High Energy Physics::Experiment ,Nucleon ,Caltech Library Services ,BREAKING - Abstract
We report a new measurement of the parity-violating asymmetry in elastic electron scattering from the proton at backward scattering angles. This asymmetry is sensitive to the strange magnetic form factor of the proton as well as electroweak axial radiative corrections. The new measurement of A=-4.92 +- 0.61 +- 0.73 ppm provides a significant constraint on these quantities. The implications for the strange magnetic form factor are discussed in the context of theoretical estimates for the axial corrections., 4 pages, 3 figures, submitted to Physical Review Letters, Sept 1999
- Published
- 2000
4. The p(T) spectrum in heavy-flavour hadroproduction
- Author
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Cacciari, M, Greco, M, NASON, PAOLO, Cacciari, M, Greco, M, and Nason, P
- Subjects
NLO computation ,COLLISIONS ,LEADING-ORDER ,QUARK PRODUCTION ,hadronic collider ,PHOTOPRODUCTION ,FRAGMENTATION FUNCTION ,heavy quark physic ,NEUTRAL-CURRENT ,QCD ,QCD CORRECTIONS - Abstract
We consider the transverse-momentum distribution of heavy flavours in hadronic collisions. We present a formalism in which large transverse-momentum logarithms are resummed at the next-to-leading level, and mass effects are included exactly up to order alpha(s)(3), so as to retain predictivity at both small and large transverse momenta. As an example, we apply our formalism to b production at the Tevatron
- Published
- 1998
5. Lower Limit On the Top-quark Mass From Events With 2 Leptons In Ppbar Collisions At Square-root=1.8 Tev
- Author
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Abe, F, Amidei, D, Apollinari, G, Atac, M, Auchincloss, P, Baden, Ar, Bacchetta, N, Bailey, Mw, Bamberger, A, Barnett, Ba, Barbarogaltieri, A, Barnes, Ve, Baumann, T, Bedeschi, F, Behrends, S, Belforte, S, Bellettini, G, Bellinger, J, Benjamin, D, Bensinger, J, Beretvas, A, Berge, Jp, Bertolucci, S, Bhadra, S, Binkley, M, Blair, R, Blocker, C, Bolognesi, V, Booth, Aw, Boswell, C, Brandenburg, G, Brown, D, Buckleygeer, E, Budd, Hs, Busetto, G, Byonwagner, A, Byrum, Kl, Campagnari, C, Campbell, M, Caner, A, Carey, R, Carithers, W, Carlsmith, D, Carroll, Jt, Cashmore, R, Castro, A, Cervelli, F, Chadwick, K, Chiarelli, G, Chinowsky, W, Cihangir, S, Clark, Ag, Connor, D, Contreras, M, Cooper, J, Cordelli, M, Crane, D, Curatolo, M, Day, C, Dejongh, F, Dellagnello, S, Dell'Orso, Mauro, Demortier, L, Denby, B, Derwent, Pf, Devlin, T, Dibitonto, D, Dickson, M, Drucker, Rb, Einsweiler, K, Elias, Je, Ely, R, Eno, S, Errede, S, Esposito, B, Flaugher, B, Foster, Gw, Franklin, M, Freeman, J, Frisch, H, Fuess, T, Fukui, Y, Funayama, Y, Garfinkel, Af, Gauthier, A, Geer, S, Gerdes, Dw, Giannetti, P, Giokaris, N, Giromini, P, Gladney, L, Gold, M, Goulianos, K, Grassmann, H, Grossopilcher, C, Haber, C, Hahn, Sr, Handler, R, Hara, K, Harris, Rm, Hauser, J, Hawk, C, Hessing, T, Hollebeek, R, Holloway, L, Hu, P, Hubbard, B, Huffman, Bt, Hughes, R, Hurst, P, Huth, J, Hylen, J, Incagli, M, Ino, T, Iso, H, Jensen, H, Jessop, Cp, Johnson, Rp, Joshi, U, Kadel, Rw, Kamon, T, Kanda, S, Kardelis, Da, Karliner, I, Kearns, E, Keeble, L, Kephart, R, Kesten, P, Keup, Rm, Keutelian, H, Kim, D, Kim, S, Kirsch, L, Kondo, K, Konigsberg, J, Kovacs, E, Kuhlmann, Se, Kuns, E, Laasanen, At, Lamoureux, Ji, Leone, S, Li, W, Liss, Tm, Limon, P, Lockyer, N, Luchini, Cb, Lukens, P, Maas, P, Maeshima, K, Mangano, M, Marriner, Jp, Mariotti, M, Markeloff, R, Markosky, La, Mattingly, R, Mcintyre, P, Menzione, A, Meyer, T, Mikamo, S, Miller, M, Mimashi, T, Miscetti, S, Mishina, M, Miyashita, S, Morita, Y, Moulding, S, Mueller, J, Mukherjee, A, Nakae, Lf, Nakano, I, Nelson, C, Newmanholmes, C, Jst, Ng, Ninomiya, M, Nodulman, L, Ogawa, S, Paoletti, R, Para, A, Pare, E, Park, S, Patrick, J, Phillips, Tj, Ptohos, F, Plunkett, R, Pondrom, L, Proudfoot, J, Punzi, Giovanni, Quarrie, D, Ragan, K, Redlinger, G, Rhoades, J, Roach, M, Rimondi, F, Ristori, L, Rohaly, T, Roodman, A, Sakumoto, Wk, Sansoni, A, Sard, Rd, Savoynavarro, A, Scarpine, V, Schlabach, P, Schmidt, Ee, Schneider, O, Schub, Mh, Schwitters, R, Scribano, A, Segler, S, Seiya, Y, Sekiguchi, M, Shapiro, M, Shaw, Nm, Sheaff, M, Shochet, M, Siegrist, J, Sinervo, P, Skarha, J, Sliwa, K, Smith, Da, Snider, Fd, Song, L, Spahn, M, Stdenis, R, Stefanini, A, Sullivan, G, Swartz, Rl, Takano, M, Tartarelli, F, Takikawa, K, Tarem, S, Theriot, D, Timko, M, Tipton, P, Tkaczyk, S, Tollestrup, A, Tonnison, J, Trischuk, W, Turini, N, Tsay, Y, Ukegawa, F, Underwood, D, Vejcik, S, Vidal, R, Wagner, Rg, Wagner, Rl, Wainer, N, Walsh, J, Watts, T, Webb, R, Wendt, C, Wenzel, H, Wester, Wc, Westhusing, T, White, Sn, Wicklund, Ab, Williams, Hh, Winer, Bl, Wyss, J, Yagil, A, Yamashita, A, Yasuoka, K, Yeh, Gp, Yoh, J, Yokoyama, M, Yun, Jc, Zanetti, A, Zetti, F, and Zucchelli, S.
- Subjects
HADRONIC COLLISIONS ,COLLIDER ,SEARCH ,STANDARD MODEL ,HEAVY QUARKS ,VECTOR-BOSON ,FERMILAB TEVATRON ,NEUTRAL-CURRENT ,WIDTH ,Z0 - Published
- 1992
6. Limit On the Top-quark Mass From Proton-antiproton Collisions At Root-s = 1.8 Tev
- Author
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Abe, F, Amidei, D, Apollinari, G, Atac, M, Auchincloss, P, Baden, Ar, Bacchetta, N, Bailey, Mw, Bamberger, A, Debarbaro, P, Barnett, Ba, Barbarogaltieri, A, Barnes, Ve, Baumann, T, Bedeschi, F, Behrends, S, Belforte, S, Bellettini, G, Bellinger, J, Benjamin, D, Bensinger, J, Beretvas, A, Berge, Jp, Bertolucci, S, Bhadra, S, Binkley, M, Blair, R, Blocker, C, Bolognesi, V, Booth, Aw, Boswell, C, Brandenburg, G, Brown, D, Buckleygeer, E, Budd, Hs, Busetto, G, Byonwagner, A, Byrum, Kl, Campagnari, C, Campbell, M, Caner, A, Carey, R, Carithers, W, Carlsmith, D, Carroll, Jt, Cashmore, R, Castro, A, Cervelli, F, Chadwick, K, Chiarelli, G, Chinowsky, W, Cihangir, S, Clark, Ag, Connor, D, Contreras, M, Cooper, J, Cordelli, M, Crane, D, Curatolo, M, Day, C, Dejongh, F, Dellagnello, S, Dell'Orso, Mauro, Demortier, L, Denby, B, Derwent, Pf, Devlin, T, Dibitonto, D, Dickson, M, Drucker, Rb, Einsweiler, K, Elias, Je, Ely, R, Eno, S, Errede, S, Esposito, B, Etchegoyen, A, Flaugher, B, Foster, Gw, Franklin, M, Freeman, J, Frisch, H, Fuess, T, Fukui, Y, Garfinkel, Af, Gauthier, A, Geer, S, Gerdes, Dw, Giannetti, P, Giokaris, N, Giromini, P, Gladney, L, Gold, M, Goulianos, K, Grassmann, H, Grossopilcher, C, Haber, C, Hahn, Sr, Handler, R, Hara, K, Harris, Rm, Hauser, J, Hawk, C, Hessing, T, Hollebeek, R, Holloway, L, Hu, P, Hubbard, B, Huffman, Bt, Hughes, R, Hurst, P, Huth, J, Hylen, J, Incagli, M, Ino, T, Iso, H, Jensen, H, Jessop, Cp, Johnson, Rp, Joshi, U, Kadel, Rw, Kamon, T, Kanda, S, Kardelis, Da, Karliner, I, Kearns, E, Keeble, L, Kephart, R, Kesten, P, Keup, Rm, Keutelian, H, Kim, D, Kim, S, Kirsch, L, Kondo, K, Konigsberg, J, Kovacs, E, Kuhlmann, Se, Kuns, E, Laasanen, At, Lamoureux, Ji, Leone, S, Lewis, J, Li, W, Limon, P, Liss, Tm, Lockyer, N, Luchini, Cb, Lukens, P, Maas, P, Maeshima, K, Mangano, M, Marriner, Jp, Mariotti, M, Markeloff, R, Markosky, La, Mattingly, R, Mcintyre, P, Menzione, A, Meyer, T, Mikamo, S, Miller, M, Mimashi, T, Miscetti, S, Mishina, M, Miyashita, S, Morita, Y, Moulding, S, Mueller, J, Mukherjee, A, Nakae, Lf, Nakano, I, Nelson, C, Newmanholmes, C, Jst, Ng, Ninomiya, M, Nodulman, L, Ogawa, S, Paoletti, R, Papadimitriou, V, Para, A, Pare, E, Park, S, Patrick, J, Phillips, Tj, Ptohos, F, Plunkett, R, Pondrom, L, Proudfoot, J, Punzi, Giovanni, Quarrie, D, Ragan, K, Redlinger, G, Rhoades, J, Roach, M, Rimondi, F, Ristori, L, Rodrigo, T, Rohaly, T, Roodman, A, Sakumoto, Wk, Sansoni, A, Sard, Rd, Savoynavarro, A, Scarpine, V, Schlabach, P, Schmidt, Ee, Schneider, O, Schub, Mh, Schwitters, R, Scribano, A, Segler, S, Seiya, Y, Shapiro, M, Shaw, Nm, Sheaff, M, Shochet, M, Siegrist, J, Sinervo, P, Skarha, J, Sliwa, K, Smith, Da, Snider, Fd, Song, L, Spahn, M, Sphicas, P, Stdenis, R, Stefanini, A, Sullivan, G, Swartz, Rl, Takano, M, Tartarelli, F, Takikawa, K, Tarem, S, Theriot, D, Timko, M, Tipton, P, Tkaczyk, S, Tollestrup, A, Tonnison, J, Trischuk, W, Turini, N, Tsay, Y, Ukegawa, F, Underwood, D, Vejcik, S, Vidal, R, Wagner, Rg, Wagner, Rl, Wainer, N, Walsh, J, Watts, T, Webb, R, Wendt, C, Wenzel, H, Wester, Wc, Westhusing, T, White, Sn, Wicklund, Ab, Williams, Hh, Winer, Bl, Wyss, J, Yagil, A, Yasuoka, K, Yeh, Gp, Yoh, J, Yokoyama, M, Yun, Jc, Zanetti, A, Zetti, F, and Zucchelli, S.
- Subjects
HADRONIC COLLISIONS ,HEAVY FLAVOR PRODUCTION ,E+E ANNIHILATION ,SEARCH ,VECTOR-BOSON ,NEUTRAL-CURRENT ,STANDARD MODEL ,CROSS-SECTION ,CDF ,DETECTOR - Published
- 1992
7. Universal theory of weak interactions in the paracharge scheme and quark-lepton analogy
- Author
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Das, T, Divakaran, P P, Pandit, L K, and Singh, Virendra
- Published
- 1975
- Full Text
- View/download PDF
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