S. Albino

Medium-modified DGLAP evolution of fragmentation functions from large to small x (2009)

Albino, S., Kniehl, B. A., Perez-Ramos, R.

The unified description of fragmentation function evolution from large to small x which was developed for the vacuum in previous publications is now generalized to the medium, and is studied for the...

Proceedings of the workshop: HERA and the LHC workshop series on the implications of HERA for LHC physics (2009)

Jung, H., De Roeck, A., Ajaltouni, Z. J., Albino, S., Altarelli, G., Ambroglini, F., ...

2nd workshop on the implications of HERA for LHC physics. Working groups: Parton Density Functions Multi-jet final states and energy flows Heavy quarks (charm and beauty) Diffraction Cosmic Rays...

Analytic Continuation of Harmonic Sums (2009)

Albino, S.

We present a method for calculating any (nested) harmonic sum to arbitrary accuracy for all complex values of the argument. The method utilizes the relation between harmonic sums and (derivatives of)...

Flavor physics of leptons and dipole moments (2008)

Raidal, M, Bigi, I, Mangano, ML, Semertzidis, Y, Abel, S, ...

This chapter of the report of the ``Flavor in the era of the LHC'' Workshop discusses the theoretical, phenomenological and experimental issues related to flavor phenomena in the charged lepton...

Flavor physics of leptons and dipole moments (2008)

Raidal, M, Bigi, I, Mangano, ML, Semertzidis, Y, Abel, S, ...

This chapter of the report of the “Flavor in the era of the LHC” Workshop discusses the theoretical, phenomenological and experimental issues related to flavor phenomena in the charged lepton...

Parton fragmentation in the vacuum and in the medium (2008)

Albino, S., Anulli, F., Arleo, F., Besson, D., Brooks, W., Buschbeck, B., ...

We present the mini-proceedings of the workshop on ``Parton fragmentation in the vacuum and in the medium'' held at the European Centre for Theoretical Studies in Nuclear Physics and Related Areas...

AKK Update: Improvements from New Theoretical Input and Experimental Data (2008)

Albino, S., Kniehl, B. A., Kramer, G.

We perform a number of improvements to the previous AKK extraction of fragmentation functions for $\pi^\pm$, $K^\pm$, $p/\bar{p}$, $K_S^0$ and $\Lambda/\bar{\Lambda}$ particles at next-to-leading...

Flavour physics of leptons and dipole moments (2008)

Raidal, M., Bigi, I., Mangano, M. L., Semertzidis, Y., Abel, S., ...

This chapter of the report of the ``Flavour in the era of the LHC'' Workshop discusses the theoretical, phenomenological and experimental issues related to flavour phenomena in the charged lepton...

Flavour Physics of Leptons and Dipole Moments. (2008)

M. Raidal, DESY Forschung Hochenergiephysik, I. Bigi, M.L. Mangano, Y. Semertzidis, ...

Internal report | Preprint

AKK Update: Improvements from New Theoretical Input and Experimental Data (2008)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer

Journal article

Large x Resummation in Q**2 Evolution. (2008)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer

Journal article

Large x Resummation in Q^2 Evolution (2007)

Albino, S., Kniehl, B. A., Kramer, G.

The standard analytic solution to the DGLAP equation in Mellin space is improved by resumming the large x divergences. Explicit results are given to next-to-leading order and next-to-leading...

Constraints on SUSY Seesaw from Leptogenesis and LFV (2007)

Albino, S., Deppisch, F., Rückl, R.

We study constraints on the fundamental parameters of supersymmetric type I seesaw models imposed by neutrino data, charged lepton flavor violation, thermal leptogenesis and perturbativity of the...

Confronting Fragmentation Function Universality with Single Hadron Inclusive Production at HERA and e+ e− Colliders. (2007)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer, C. Sandoval

Journal article

Large x Resummation in Q2 Evolution. (2007)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer

Internal report | Preprint

Confronting Fragmentation Function Universality With Single Hadron Inclusive Production at HERA and e+e− Colliders. (2007)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer, C. Sandoval

Journal article

Confronting Fragmentation Function Universality With Single Hadron Inclusive Production at HERA and e+e− Colliders. (2007)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer, C. Sandoval

Journal article

Confronting fragmentation function universality with single hadron inclusive production at HERA and $e^+ e^-$ colliders (2006)

Albino, S., Kniehl, B. A., Kramer, G., Sandoval, C.

Predictions for light charged hadron production data in the current fragmentation region of deeply inelastic scattering from the H1 and ZEUS experiments are calculated using perturbative Quantum...

Supersymmetric Lepton Flavor Violation and Leptogenesis (2006)

Albino, S., Deppisch, F., Rückl, R.

We present and discuss constraints on supersymmetric type I seesaw models imposed by neutrino data, charged lepton flavor violation and thermal leptogenesis.

Resummation of Soft Gluon Logarithms in the DGLAP Evolution of Fragmentation Functions (2006)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

We define a general scheme for the evolution of fragmentation functions which resums both soft gluon logarithms and mass singularities in a consistent manner and to any order, and requires no...

Unifying the Fixed Order Evolution of Fragmentation Functions with the Modified Leading Logarithm Approximation (2006)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

An approach which unifies the Double Logarithmic Approximation at small x and the leading order DGLAP evolution of fragmentation functions at large x is presented. This approach reproduces exactly...

Resummation of Soft Gluon Logarithms in the DGLAP Evolution of Fragmentation Functions. (2006)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer, W. Ochs

Journal article

Confronting Fragmentation Function Universality with Single Hadron Inclusive Production at HERA and e+e− Colliders. (2006)

S. Albino, DESY Forschung Hochenergiephysik, B.A. Kniehl, G. Kramer, C. Sandoval

Internal report | Preprint

Soft Gluon Logarithmic Resummation and Hadron Mass Effects in Single Hadron Inclusive Production (2005)

Albino, S.

We define a general scheme for the evolution of fragmentation functions which resums soft gluon logarithms in a manner consistent with fixed order evolution. We present an explicit example of our...

Unifying the Fixed Order Evolution of Fragmentation Functions with the Modified Leading Logarithm Approximation (2005)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

An approach which unifies the Double Logarithmic Approximation at small x and the leading order DGLAP evolution of fragmentation functions at large x is presented. This approach reproduces exactly...

Resummation of Soft Gluon Logarithms in the DGLAP Evolution of Fragmentation Functions (2005)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

We define a general scheme for the evolution of fragmentation functions which resums both soft gluon logarithms and mass singularities in a consistent manner and to any order, and requires no...

Fragmentation Functions for K0short and Lambda with Complete Quark Flavour Separation (2005)

Albino, S., Kniehl, B. A., Kramer, G.

We present new sets of next-to-leading order fragmentation functions for the production of K0short and Lambda particles from the gluon and from each of the quarks, obtained by fitting to all relevant...

Generalizing the DGLAP Evolution of Fragmentation Functions to the Smallest x Values (2005)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

An approach which unifies the Double Logarithmic Approximation at small x and the leading order DGLAP evolution of fragmentation functions at large x is presented. This approach reproduces exactly...

Fragmentation Functions for Light Charged Hadrons with Complete Quark Flavour Separation (2005)

Albino, S., Kniehl, B. A., Kramer, G.

We present new sets of next-to-leading order fragmentation functions describing the production of charged pions, kaons and protons from the gluon and from each of the quarks, obtained by fitting to...

Generalizing the DGLAP Evolution of Fragmentation Functions to the Smallest x Values (2005)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

An approach which unifies the Double Logarithmic Approximation at small x and the leading order DGLAP evolution of fragmentation functions at large x is presented. This approach reproduces exactly...

Low x particle spectra in the Modified Leading Logarithm Approximation (2004)

Albino, S., Kniehl, B. A., Kramer, G.

We show that the higher moments of the evolution obtained from the Modified Leading Logarithm Approximation may be regarded as spurious higher order terms in perturbation theory, and that neglecting...

The Evolution of Hadron Spectra in the Modified Leading Logarithm Approximation (2004)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

We perform fits of $\Lambda_{\rm QCD}$ and the gluon fragmentation function $D(x,Q)$ at initial scale $Q_0 \gg\Lambda_{\rm QCD}$ to charged light hadron momentum spectra data by evolving in the...

The Evolution of Hadron Spectra in the Modified Leading Logarithm Approximation (2004)

Albino,S., Kniehl,B. A., Kramer,G., Ochs,W.

We perform fits of $\Lambda_{\rm QCD}$ and the gluon fragmentation function $D(x,Q)$ at initial scale $Q_0 \gg\Lambda_{\rm QCD}$ to charged light hadron momentum spectra data by evolving in the...

The Evolution of Hadron Spectra in the Modified Leading Logarithm Approximation (2004)

Albino, S., Kniehl, B. A., Kramer, G., Ochs, W.

We perform fits of $\Lambda_{\rm QCD}$ and the gluon fragmentation function $D(x,Q)$ at initial scale $Q_0 \gg\Lambda_{\rm QCD}$ to charged light hadron momentum spectra data by evolving in the...

Strong Coupling Constant from the Photon Structure Function (2002)

Albino, S., Klasen, M., Soldner-Rembold, S.

We extract the value of the strong coupling constant alpha_s from a single-parameter pointlike fit to the photon structure function F_2^gamma at large x and Q^2 and from a first five-parameter full...

Soft Resummation of Quark Anomalous Dimensions and Coefficient Functions in $\overline{MS}$ Factorization (2000)

Albino, S, Ball, R D

The asymptotic behaviour at large N of the MS-bar quark anomalous dimensions is derived to all orders assuming only MS-bar factorization and standard results for the exponentiation of soft logarithms...