Artículo

Estamos trabajando para incorporar este artículo al repositorio
Consulte el artículo en la página del editor
Consulte la política de Acceso Abierto del editor

Abstract:

We investigate the role of heavy quarks in the production of light flavored hadrons and in the determination of the corresponding nonperturbative hadronization probabilities. We define a general mass variable flavor number scheme for fragmentation functions that accounts for heavy quark mass effects, and perform a global QCD analysis to an up-to-date data set including very precise Belle and BABAR results. We show that the mass dependent picture provides a much more accurate and consistent description of the data. © 2016 American Physical Society.

Registro:

Documento: Artículo
Título:Role of heavy quarks in light hadron fragmentation
Autor:Epele, M.; García Canal, C.; Sassot, R.
Filiación:Instituto de Física la Plata, UNLP, CONICET, Departamento de Física, Facultad de Ciencias Exactas, Universidad de la Plata, Casilla de Correo 69, La Plata, Argentina
Departamento de Física and IFIBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 1, Buenos Aires, 1428, Argentina
Año:2016
Volumen:94
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevD.94.034037
Título revista:Physical Review D
Título revista abreviado:Phy. Rev. D
ISSN:24700010
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24700010_v94_n3_p_Epele

Referencias:

  • Ball, R.D., Bonvini, M., Rottoli, L., Charm in deep-inelastic scattering J. High Energy Phys., 2015 (11), p. 122. , See, e.g., (), and references therein
  • Rojo, J., The PDF4LHC report on PDFs and LHC data: Results from Run i and preparation for Run II (2015) J. Phys. G, 42, p. 103103. , For a review see, e.g
  • De Florian, D., Sassot, R., Stratmann, M., Global analysis of fragmentation functions for pions and kaons and their uncertainties (2007) Phys. Rev. D, 75, p. 114010
  • Albino, S., Kniehl, B.A., Kramer, G., Fragmentation functions for light charged hadrons with complete quark flavor separation (2005) Nucl. Phys. B, 725, p. 181
  • Albino, S., Kniehl, B.A., Kramer, G., AKK update: Improvements from new theoretical input and experimental data (2008) Nucl. Phys. B, 803, p. 42
  • Hirai, M., Kumano, S., Nagai, T.-H., Sudoh, K., Determination of fragmentation functions and their uncertainties (2007) Phys. Rev. D, 75, p. 094009
  • Aivazis, M.A.G., Collins, J.C., Olness, F.I., Tung, W.K., Leptoproduction of heavy quarks. II. A unified QCD formulation of charged and neutral current processes from fixed target to collider energies (1994) Phys. Rev. D, 50, p. 3102
  • Thorne, R.S., Roberts, R.G., A variable number flavor scheme for charged current heavy flavor structure functions (2001) Eur. Phys. J. C, 19, p. 339
  • Thorne, R.S., A variable-flavor number scheme for NNLO (2006) Phys. Rev. D, 73, p. 054019
  • Guzzi, M., Nadolsky, P.M., Lai, H.L., Yuan, C.-P., General-mass treatment for deep inelastic scattering at two-loop accuracy (2012) Phys. Rev. D, 86, p. 053005
  • Cacciari, M., Nason, P., Oleari, C., Crossing heavy-flavor thresholds in fragmentation functions J. High Energy Phys., 2005 (10), p. 034
  • Cacciari, M., Nason, P., Oleari, C., A study of heavy flavoured meson fragmentation functions in (Equation presented) annihilation J. High Energy Phys., 2006 (4), p. 006
  • Kneesch, T., Kniehl, B.A., Kramer, G., Schienbein, I., Charmed-meson fragmentation functions with finite-mass corrections (2008) Nucl. Phys., B799, p. 34
  • Kniehl, B.A., Kramer, G., Schienbein, I., Spiesberger, H., Finite-mass effects on inclusive (Equation presented) meson hadroproduction (2008) Phys. Rev. D, 77, p. 014011
  • De Florian, D., Sassot, R., Epele, M., Hernández-Pinto, R.J., Stratmann, M., Parton-to-pion fragmentation reloaded (2015) Phys. Rev. D, 91, p. 014035
  • Lees, J.P., Production of charged pions, kaons and protons in (Equation presented) annihilations into hadrons at (Equation presented) (2013) Phys. Rev. D, 88, p. 032011. , (BABAR Collaboration)
  • Leitgab, M., Precision Measurement of Charged Pion and Kaon Multiplicities in Electron-Positron Annihilation at (Equation presented) (2013) Phys. Rev. Lett., 111, p. 062002. , (Belle Collaboration)
  • Forte, S., Laenen, E., Nason, P., Rojo, J., Heavy quarks in deep-inelastic scattering (2010) Nucl. Phys., B834, p. 116
  • Ball, R.D., Bertone, V., Bonvini, M., Forte, S., Merrild, P.G., Rojo, J., Rottoli, L., Intrinsic charm in a matched general-mass scheme (2016) Phys. Lett. B, 754, p. 49
  • Altarelli, G., Parisi, G., Asymptotic freedom in parton language (1977) Nucl. Phys., B126, p. 298
  • Dokshitzer, Y.L., Calculation of the structure functions for deep inelastic scattering and (Equation presented) annihilation by perturbation theory in quantum chromodynamics (1977) Zh. Eksp. Teor. Fiz., 73, p. 1216
  • Dokshitzer, Y.L., (1977) Sov. Phys. JETP, 46, p. 641. , [, ()];
  • Gribov, V.N., Lipatov, L.N., Deep inelastic (Equation presented) scattering in perturbation theory (1972) Sov. J. Nucl. Phys., 15, p. 438
  • Altarelli, G., Ellis, R.K., Martinelli, G., Pi, S.Y., Processes involving fragmentation functions beyond the leading order in QCD (1979) Nucl. Phys., B160, p. 301
  • Anderle, D.P., Ringer, F., Stratmann, M., Fragmentation functions at next-to-next-to-leading order accuracy (2015) Phys. Rev. D, 92, p. 114017
  • Collins, J.C., Hard scattering factorization with heavy quarks: A general treatment (1998) Phys. Rev. D, 58, p. 094002
  • Buza, M., Matiounine, Y., Smith, J., Van Neerven, W.L., Charm electroproduction viewed in the variable flavor number scheme versus fixed order perturbation theory (1998) Eur. Phys. J. C, 1, p. 301
  • Bierenbaum, I., Blumlein, J., Klein, S., The gluonic operator matrix elements at (Equation presented) for DIS heavy flavor production (2009) Phys. Lett. B, 672, p. 401
  • Kniehl, B.A., Kramer, G., Schienbein, I., Spiesberger, H., Inclusive (Equation presented) production in (Equation presented) collisions with massive charm quarks (2005) Phys. Rev. D, 71, p. 014018
  • Kniehl, B.A., Kramer, G., Schienbein, I., Spiesberger, H., Collinear subtractions in hadroproduction of heavy quarks (2005) Eur. Phys. J. C, 41, p. 199
  • Buskulic, D., Inclusive (Equation presented), (Equation presented) and ((Equation presented)) differential cross-sections at the (Equation presented) resonance (1995) Z. Phys. C, 66, p. 355. , (ALEPH Collaboration)
  • Abreu, P., (Equation presented), (Equation presented), (Equation presented) and (Equation presented) production in (Equation presented), (Equation presented), (Equation presented), (Equation presented), (Equation presented) (1998) Eur. Phys. J. C, 5, p. 585. , (DELPHI Collaboration)
  • Akers, R., Measurement of the production rates of charged hadrons in (Equation presented) annihilation at the (Equation presented) (1994) Z. Phys. C, 63, p. 181. , (OPAL Collaboration)
  • Abe, K., Production of (Equation presented), (Equation presented), (Equation presented), (Equation presented), (Equation presented), (Equation presented) and (Equation presented) in hadronic (Equation presented) decays (1999) Phys. Rev. D, 59, p. 052001. , (SLD Collaboration)
  • Aihara, H., Pion and kaon multiplicities in heavy quark jets from (Equation presented) annihilation at 29 GeV (1987) Phys. Lett. B, 184, p. 299. , (TPC/Two Gamma Collaboration), ();
  • Aihara, H., Charged Hadron Inclusive Cross Sections and Fractions in (Equation presented) Annihilation (Equation presented) (1988) Phys. Rev. Lett., 61, p. 1263. , (TPC/Two Gamma Collaboration)
  • Makke, N., Fragmentation functions measurement at COMPASS Proc. Sci., 2013 (DIS2013), p. 202. , (for the COMPASS Collaboration)
  • Airapetian, A., Multiplicities of charged pions and kaons from semi-inclusive deep-inelastic scattering by the proton and the deuteron (2013) Phys. Rev. D, 87, p. 074029. , (HERMES Collaboration)
  • Adare, A., Inclusive cross-section and double helicity asymmetry for (Equation presented) production in (Equation presented) collisions at (Equation presented): Implications for the polarized gluon distribution in the proton (2007) Phys. Rev. D, 76, p. 051106. , (PHENIX Collaboration)
  • Adamczyk, L., Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at (Equation presented) (2014) Phys. Rev. D, 89, p. 012001. , (STAR Collaboration)
  • Abelev, B., Neutral pion and (Equation presented) meson production in proton-proton collisions at (Equation presented) and (Equation presented) (2012) Phys. Lett. B, 717, p. 162. , (ALICE Collaboration)

Citas:

---------- APA ----------
Epele, M., García Canal, C. & Sassot, R. (2016) . Role of heavy quarks in light hadron fragmentation. Physical Review D, 94(3).
http://dx.doi.org/10.1103/PhysRevD.94.034037
---------- CHICAGO ----------
Epele, M., García Canal, C., Sassot, R. "Role of heavy quarks in light hadron fragmentation" . Physical Review D 94, no. 3 (2016).
http://dx.doi.org/10.1103/PhysRevD.94.034037
---------- MLA ----------
Epele, M., García Canal, C., Sassot, R. "Role of heavy quarks in light hadron fragmentation" . Physical Review D, vol. 94, no. 3, 2016.
http://dx.doi.org/10.1103/PhysRevD.94.034037
---------- VANCOUVER ----------
Epele, M., García Canal, C., Sassot, R. Role of heavy quarks in light hadron fragmentation. Phy. Rev. D. 2016;94(3).
http://dx.doi.org/10.1103/PhysRevD.94.034037