Infrared gluons, intrinsic transverse momentum and rising total cross-sections (2009)
Grau, A., Godbole, R. M., Pancheri, G., Srivastava, Y. N.
We discuss the infrared limit for soft gluon kt-resummation and relate it to physical observables such as the intrinsic transverse momentum and the high energy limit of total cross-sections.
Relevance of ultra-soft gluons and kt resummation for total cross-sections (2009)
Achilli, A., Srivastava, Y. N., Godbole, R., Grau, A., Pancheri, G.
Inclusion of down to zero-momentum gluons and their k_t resummation is shown to quench the too fast rise of the mini jet cross section and thereby obtain realistic total cross-sections.
Soft Gluon kt-Resummation and the Froissart bound (2009)
Grau, A., Godbole, R. M., Pancheri, G., Srivastava, Y. N.
We study soft gluon kt-resummation and the relevance of zero momentum gluons for the energy dependence of total hadronic cross-sections. We discuss a model in which consistency of the energy...
QCD Mini-jet contribution to the total cross section (2009)
Achilli, A., Godbole, R., Grau, A., Pancheri, G., Srivastava, Y. N.
We present the predictions of a model for proton-proton total cross-section at LHC. It takes into account both hard partonic processes and soft gluon emission effects to describe the proper high...
Proceedings of the 38th International Symposium on Multiparticle Dynamics (ISMD08) (2009)
Bartels, J., Borras, K., Gustafson, G., Jung, H., Kutak, K., Levonian, S., ...
Proceedings of ISMD08
Photoproduction total cross-sections at very high energies and the Froissart bound (2009)
Achilli, A., Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
A previously successful model for purely hadronic total cross-sections, based on QCD minijets and soft-gluon resummation, is here applied to the total photoproduction cross section. We find that our...
Experimental demonstration of the induction-shimming concept in superconductive undulators. (2009)
Wollmann, D., Bernhard, A., Pfeiffer, P., Baumbach, T., Mashkina, E., Grau, A., ...
Physical Review Special Topics - Accelerators and Beams, 12(2009) S.040702/1-6
Mashkina, E., Vassiljev, N., Magerl, A., Grau, A., Casalbuoni, S., Hagelstein, M., ...
23rd Particle Accelerator Conf. (PAC09), Vancouver, CDN, May 4-8, 2009
Spectrum of the low energy electrons bombarding the wall in the ANKA storage ring. (2009)
Casalbuoni, S., Grau, A., Hagelstein, M., Cimino, R., Commisso, M., ...
23rd Particle Accelerator Conf. (PAC09), Vancouver, CDN, May 4-8, 2009
COLDDIAG: a COLD vacuum chamber for DIAGnostics. (2009)
Casalbuoni, S., Baumbach, T., Grau, A., Hagelstein, M., Huttel, E., ...
Vortr.: Laboratori Nazionali de Frascati, I, 9.Juni 2009
Progress on the superconducting undulator for ANKA and on the instrumentation for R&D. (2009)
Casalbuoni, S., Baumbach, T., Grau, A., Hagelstein, M., Boffo, C., ...
10th Internat.Conf.on Synchrotron Radiation Instrumentation, Melbourne, AUS, September 27 - October 2, 2009
Research at the Learning and Vision Mobile Robotics Group 2004–2005 (2008)
J. Sc, R. Alquézar, J. Andrade, J. Ar, J. Climent, A. Grau, ...
This article presents the topics in wheeled mobile robotics where the Learning and Vision Mobile Robotics Group (IRI) is focusing its efforts. The areas covered include robot localization, color...
QCD and total cross-sections: photons and hadrons (2008)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
In this contribution, we discuss a total cross-section model which can be applied to both photon and purely hadronic processes. We find that the model can reproduce photo-production cross-sections,...
Total photoproduction cross-section at very high energy (2008)
Godbole, R. M., Grau, A, Pancheri, G., Srivastava, Y. N.
In this paper we apply to photoproduction total cross-section a model we have proposed for purely hadronic processes and which is based on QCD mini-jets and soft gluon re-summation. We compare the...
Zero momentum gluons and the total pp and pbarp cross-sections (2008)
Achilli, A., Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
We describe a QCD motivated model for total cross-sections which uses the eikonal representation and incorporates QCD mini-jets to drive the rise with energy of the cross-section, while the impact...
QCD Contributions to the Froissart bound for the total cross-section (2008)
Achilli, A., Grau, A., Pancheri, G., Srivastava, Y. N.
We discuss the effect of infrared soft gluons on the asymptotic behaviour of the total cross-section. We use a singular but integrable expression for the strong coupling constant in the infrared...
A. Sanfeliu, J. Andrade-cetto, R. Alquézar, J. Ar, J. Climent, A. Grau, ...
mobile robot with learning capabilities
Minijets, soft gluon resummation and photon cross-sections (2008)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
We compare the high energy behaviour of hadronic photon-photon cross-sections in different models. We find that the photon-photon cross-section appears to rise faster than the purely hadronic ones...
Large rapidity gaps survival probabilities at LHC (2008)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
We calculate the probability of large rapidity gaps in high energy hadronic collisions using a model based on QCD mini-jets and soft gluon emission down into the infrared region. Comparing with other...
Magnetic field test facility for superconductive undulator coils. (2008)
Mashkina, E., Grau, A., Baumbach, T., Bernhard, A., Casalbuoni, S., Hagelstein, M., ...
IEEE Transactions on Applied Superconductivity, 18(2008) S.1637-40
Insertion devices development. (2008)
Baumbach, T., Bernhard, A., Casalbuoni, S., Grau, A., Kostka, B., Hagelstein, M., ...
ANKA - Annual report 2008 S.209-12
Beam heat load measurements in the cold bore superconductive undulator in ANKA. (2008)
Casalbuoni, S., Grau, A., Hagelstein, M., Rossmanith, R., Zimmermann, F., Kostka, B., ...
14th Nat.Conf.on Synchrotron Radiation Instrumentation (SRI 2007), Baton Rouge, La., April 25-27, 2007
Beam heat load measurements in the cold bore superconductive undulator in ANKA. (2008)
Casalbuoni, S., Grau, A., Hagelstein, M., Rossmanith, R., Zimmermann, F., Kostka, B., ...
Nuclear Instruments and Methods in Physics Reseach A, 582(2007) S.34-36
CASPER - a magnetic measurement facility for superconducting undulators. (2008)
Mashkina, E., Grau, A., Schneider, Th., Bernhard, A., Casalbuoni, S., Hagelstein, M., ...
8th European Conf.on Applied Superconductivity (EUCAS '07), Bruxelles, B, September 16-20, 2007
CASPER - a magnetic measurement facility for superconducting undulators. (2008)
Mashkina, E., Grau, A., Schneider, Th., Bernhard, A., Casalbuoni, S., Hagelstein, M., ...
Journal of Physics: Conference Series, 97(2008) S.012020/1-6
Learning and Vision Mobile Robotics Group Research Report (2007)
Andrade Moreno Alquezar, J. Andrade, F. Moreno, R. Alquézar, J. Ar, J. Climent, ...
This article presents the current trends on wheeled mobile robotics being pursued at IRI-UPC-CSIC. It includes an overview of recent results produced in our group in a wide range of areas, including...
Superconductive Damping Wigglers for the CLIC Project (2007)
Baumbach, T, Bernard, A, Braun, H, Casalbuoni, S, Grau, A, Hagelstein, M, ...
The CLIC damping ring requires wigglers with both high on-axis fields and short periods. The present design foresees a superconductive wiggler with a period length of 5 cm, a peak on-axis field of...
Total cross-section at LHC from minijets and soft gluon resummation in the infrared region (2007)
Pancheri, G., Godbole, R. M., Grau, A., Srivastava, Y. N.
A model for total cross-sections incorporating QCD jet cross-sections and soft gluon resummation is described and compared with present data on $pp$ and ${\bar p}p$ cross-sections. Predictions for...
Beam heat load and pressure rise in a cold vacuum chamber. (2007)
Casalbuoni, S., Grau, A., Hagelstein, M., Rossmanith, R., Zimmermann, F., Kostka, B., ...
Physical Review Special Topics - Accelerators and Beams, 10(2007) S.093202/1-9
Baumbach, T., Müller, A.S., Casalbuoni, S., Grau, A., Hagelstein, M., Rosmanith, R., ...
ANKA - Annual Report 2007 S.264-68
Total cross sections and soft gluon resummation (2006)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
We discuss a model for total hadronic and photonic cross-sections which includes hard parton-parton scattering to drive the rise and soft gluon resummation to tame it. Unitarity is ensured by...
Buttar, C, Dittmaier, S, Drollinger, V, Frixione, Stefano, Nikitenko, A, Abdullin, S W S, ...
This Report summarises the activities of the "SM and Higgs" working group for the Workshop "Physics at TeV Colliders", Les Houches, France, 2-20 May, 2005. On the one hand, we performed a variety of...
Buttar, C., Dittmaier, S., Drollinger, V., Frixione, S., Nikitenko, A., Abdullin, S. Willenbrock S., ...
This Report summarises the activities of the "SM and Higgs" working group for the Workshop "Physics at TeV Colliders", Les Houches, France, 2-20 May, 2005. On the one hand, we performed a variety of...
Total cross sections and soft gluon resummation (2006)
Godbole, RM, Grau, A, Pancheri, G., Srivastava, YN
We discuss a model for total hadronic and photonic cross-sections which includes hard parton-parton scattering to drive the rise and soft gluon resummation to tame it. Unitarity is ensured by...
A.C. Buttar, DESY Forschung Hochenergiephysik, S. Dittmaier, V. Drollinger, S. Frixione, A. Nikitenko, ...
Internal report | Preprint
Soft gluon radiation and energy dependence of total hadronic cross sections (2005)
Godbole, RM, Grau, A, Pancheri, G, Srivastava, YN
An impact parameter representation for soft gluon radiation is applied to obtain both the initial decrease of the total cross section $\sigma_{tot}$ for proton-proton collisions as well as the later...
Aspects of confinement in total cross sections through Bloch-Nordsieck soft gluon summation (2005)
Pancheri, G, Godbole, RM, Grau, A, Srivastava, YN
An impact parameter representation for soft gluon radiation has been developed to obtain both the initial decrease in pp as well as the subsequent rise of the total cross-section $({\sigma}_{tot})$...
Soft gluon radiation and energy dependence of total hadronic cross sections (2005)
Godbole, RM, Grau, A, Pancheri, G, Srivastava, YN
An impact parameter representation for soft gluon radiation is applied to obtain both the initial decrease of the total cross section $\sigma_{tot}$ for proton-proton collisions as well as the later...
Jiménez, M. T., Pastor, E., Grau, A., Alconchel, J. I., Sánchez, R.
Interest in culture of sciaenid fishes has grown rapidly in recent years. The present paper reviews the literature on several species belonging to Sciaenidae, cultured around the world: red drum...
Total Cross-Sections : Cross-Talk between HERA, LHC and LC (2004)
Pancheri, G., De Roeck, A., Godbole, R. M., Grau, A., Srivastava, Y. N.
We discuss the need to compare total cross-section measurements at LHC and HERA with each other and with available models in order to obtain a more precise prediction of the total hadronic...
Total Cross-sections and Bloch-Nordsieck Gluon Resummation (2004)
Pancheri, G., Godbole, R., Grau, A., Srivastava, Y. N.
The physics underlying the fall and eventual rise in various total cross-sections at high energies has been investigated over a decade using a model based on the Bloch-Nordsieck resummation in QCD....
Soft gluon radiation and energy dependence of total hadronic cross-sections (2004)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
An impact parameter representation for soft gluon radiation is applied to obtain both the initial decrease of the total cross-section ($\sigma_{tot}$) for proton-proton collisions as well as the...
Photon Total Cross-sections (2004)
Godbole, RM, Grau, A, Pancheri, G, Srivastava, YN
We discuss present predictions for the total $\gamma \gamma$ and $\gamma p $ cross-sections, highlighting why predictions differ. We present results from the Eikonal Minijet Model and improved...
Research at the Learning and Vision Mobile Robotics Group (2004)
J. Andrade, A. Grau, J. Climent, F. Moreno, R. Alquezar, F. Serratosa, ...
This article presents the current trends on wheeled mobile robotics being pursued at ESAII-IRIUPC /CSIC. It includes an overview of recent results produced in our group in a wide range of areas,...
Photon Total Cross-sections (2003)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
We discuss present predictions for the total $\gamma \gamma$ and $\gamma p $ cross-sections, highlighting why predictions differ. We present results from the Eikonal Minijet Model and improved...
Hadronic Cross-sections in two photon Processes at a Future Linear Collider (2003)
Godbole, R. M., De Roeck, A., Grau, A., Pancheri, G.
In this note we address the issue of measurability of the hadronic cross-sections at a future photon collider as well as for the two-photon processes at a future high energy linear $e^+e^-$ collider....
Hadronic Cross-sections in two photon Processes at a Future Linear Collider (2003)
Godbole, Rohini M, De Roeck, A, Grau, A, Pancheri, G
In this note we address the issue of measurability of the hadronic cross-sections at a future photon collider as well as for the two-photon processes at a future high energy linear $e^+e^-$ collider....
Predictions for the $\gamma \gamma$ total cross-section in the TeV region (2003)
Godbole, Rohini M, Grau, A, Pancheri, G, De Roeck, A
In this talk we present an update of model predictions for the $\gamma \gamma$ total cross-section in the TeV region. The update includes preliminary results for $\gamma \gamma $ cross-sections using...
Predictions for the $\gamma \gamma$ total cross-section in the TeV region: an update (2003)
Godbole, R. M., Grau, A., Pancheri, G., De Roeck, A.
In this talk we present an update of model predictions for the $\gamma \gamma$ total cross-section in the TeV region. The update includes preliminary results for $\gamma \gamma $ cross-sections using...
Predictions for the $\gamma \gamma$ total cross-section in the TeV region: an update (2003)
Godbole, Rohini M, Grau, A, Pancheri, G, De Roeck, A
In this talk we present an update of model predictions for the $\gamma \gamma$ total cross-section in the TeV region. The update includes preliminary results for $\gamma \gamma $ cross-sections using...
Photon Total Cross-sections (2003)
Godbole, RM, Grau, A, Pancheri, G, Srivastava, YN
We discuss present predictions for the total $\gamma \gamma$ and $\gamma p $ cross-sections, highlighting why predictions differ. We present results from the Eikonal Minijet Model and improved...
Hereditary amyloicloses associated with transthyretin mutations (2002)
Hund,E., Singer,R., Linke,R. P., Willig,F., Grau,A.
Hereditary amyloidoses form a clinically and genetically heterogeneous group of autosomal-dominantly inherited diseases characterized by the ubiquitous extracellular deposit of fibrillary aggregated...
Godbole, Rohini M, Grau, A, Pancheri, G
We examine the energy dependence of total cross-sections for photon processes and discuss the QCD contribution to the rising behaviour
Soft Gluons and the Energy Dependence of Total Cross-Sections (2002)
Godbole, R. M., Grau, A., Pancheri, G., Srivastava, Y. N.
We discuss the high energy behaviour of total cross-sections for protons and photons, in a QCD based framework with particular emphasis on the role played by soft gluons
Godbole, R. M., Grau, A., Pancheri, G.
We examine the energy dependence of total cross-sections for photon processes and discuss the QCD contribution to the rising behaviour
Godbole, RM, Grau, A, Pancheri, G
We examine the energy dependence of total cross-sections for photon processes and discuss the QCD contribution to the rising behaviour
Soft Gluons and the Energy Dependence of Total Cross Sections (2002)
Godbole, RM, Grau, A, Pancheri, G, Srivastava, YN
We discuss the high energy behaviour of total cross-sections for protons and photons, in a QCD based framework with particular emphasis on the role played by soft gluons
Godbole, RM, Grau, A, Pancheri, G
We examine the energy dependence of total cross-sections for photon processes and discuss the QCD contribution to the rising behaviour
Soft Gluons and the Energy Dependence of Total Cross Sections (2002)
Godbole, RM, Grau, A, Pancheri, G, Srivastava, YN
We discuss the high energy behaviour of total cross-sections for protons and photons, in a QCD based framework with particular emphasis on the role played by soft gluons
Hereditary amyloicloses associated with transthyretin mutations (2002)
Hund, E., Singer, R., Linke, R. P., Willig, F., Grau, A.
Hereditary amyloidoses form a clinically and genetically heterogeneous group of autosomal-dominantly inherited diseases characterized by the ubiquitous extracellular deposit of fibrillary aggregated...
Godbole, Rohini M., Grau, A., Pancheri, G., Srivastava, Y.
A unified approach to total cross-sections, based on the QCD contribution to the rise with energy, is presented for the processes $pp$, $p{\bar p}$, $\gamma p, \gamma \gamma, e^+e^- \to hadrons$. For...
Godbole, Rohini M, Grau, A, Pancheri, G, Srivastava, Y
A unified approach to total cross-sections, based on the QCD contribution to the rise with energy, is presented for the processes $pp$, $p{\bar p}$, $\gamma p, \gamma \gamma, e^+e^- \to hadrons$. For...
Total Photonic and Hadronic Cross-sections (2001)
Godbole, Rohini M, Grau, A, Pancheri, G
We discuss total cross-sections within the context of the QCD calculable mini-jet model, highlighting its successes and failures. In particular we show its description of $\gamma \gamma \to hadrons$...
Total Photonic and Hadronic Cross-sections (2001)
Godbole, Rohini M., Grau, A., Pancheri, G.
We discuss total cross-sections within the context of the QCD calculable mini-jet model, highlighting its successes and failures. In particular we show its description of $\gamma \gamma \to hadrons$...
Godbole, Rohini M, Grau, A, Pancheri, G, Srivastava, Y
A unified approach to total cross-sections, based on the QCD contribution to the rise with energy, is presented for the processes $pp$, $p{\bar p}$, $\gamma p, \gamma \gamma, e^+e^- \to hadrons$. For...
Total Photonic and Hadronic Cross-sections (2001)
Godbole, Rohini M, Grau, A, Pancheri, G
We discuss total cross-sections within the context of the QCD calculable mini-jet model, highlighting its successes and failures. In particular we show its description of $\gamma \gamma \to hadrons$...
QCD and Total Cross-sections (1999)
Godbole, R. M., Grau, A., Pancheri, G.
We discuss models for total cross-sections, show their predictions for photon-photon collisions and compare them with the recent LEP measurements. We show that the extrapolations to high center of...
QCD and Total Cross-sections (1999)
Godbole, RM, Grau, A, Pancheri, G
We discuss models for total cross-sections, show their predictions for photon-photon collisions and compare them with the recent LEP measurements. We show that the extrapolations to high center of...
Models for Photon-photon Total Cross-sections (1999)
Godbole, RM, Grau, A, Pancheri, G
We present here a brief overview of recent models describing the photon-photon cross-section into hadrons. We shall show in detail results from the eikonal minijet model, with and without soft gluon...
Models for Photon-photon Total Cross-sections (1999)
Godbole, R. M., Grau, A., Pancheri, G.
We present here a brief overview of recent models describing the photon-photon cross-section into hadrons. We shall show in detail results from the eikonal minijet model, with and without soft gluon...
Hadronic Total Cross-sections Through Soft Gluon Summation in Impact Parameter Space (1999)
Grau, A., Pancheri, G., Srivastava, Y. N.
The Bloch-Nordsieck model for the parton distribution of hadrons in impact parameter space, constructed using soft gluon summation, is investigated in detail. Its dependence upon the infrared...
QCD and Total Cross-sections (1999)
Godbole, RM, Grau, A, Pancheri, G
We discuss models for total cross-sections, show their predictions for photon-photon collisions and compare them with the recent LEP measurements. We show that the extrapolations to high center of...
Models for Photon-photon Total Cross-sections (1999)
Godbole, RM, Grau, A, Pancheri, G
We present here a brief overview of recent models describing the photon-photon cross-section into hadrons. We shall show in detail results from the eikonal minijet model, with and without soft gluon...
Bloch-Nordsieck Summation and Partonic Distributions in Impact Parameter Space (1996)
Corsetti, A., Grau, A., Pancheri, G., Srivastava, Y. N.
A model for the parton distributions of hadrons in impact parameter space has been constructed using soft gluon summation. This model incorporates the salient features of distributions obtained from...
Mini-jet Total Cross-sections and Overlap Functions through Bloch-Nordsieck Summation (1996)
Corsetti, A., Grau, A., Godbole, R. M., Pancheri, G., Srivastava, Y. N.
Predictions for total inelastic cross-sections for photon induced processes are discussed in the context of the QCD-inspired minijet model. Large theoretical uncertainties exist, some of them related...
Mini-jet Total Cross-sections and Overlap Functions through Bloch-Nordsieck Summation (1996)
Corsetti, A, Grau, A, Godbole, RM, Pancheri, G, Srivastava, YN
Predictions for total inelastic cross-sections for photon induced processes are discussed in the context of the QCD-inspired minijet model. Large theoretical uncertainties exist, some of them related...
Mini-jet Total Cross-sections and Overlap Functions through Bloch-Nordsieck Summation (1996)
Corsetti, A, Grau, A, Godbole, RM, Pancheri, G, Srivastava, YN
Predictions for total inelastic cross-sections for photon induced processes are discussed in the context of the QCD-inspired minijet model. Large theoretical uncertainties exist, some of them related...
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Bramon, A., Grau, A., Pancheri, G.
The accuracy of effective chiral lagrangians including vector-mesons as (hidden symmetry) gauge fields is shown to be improved by taking into account SU(3)-breaking in the vector-meson sector. The...
Z' Decays into Four Fermions (1992)
Del Aguila, F., Alles, B., Ametller, Ll., Grau, A.
If a new $Z'$ is discovered with a mass $\sim 1 \ TeV$ at LHC/SSC, its (rare) decays into two charged leptons plus missing transverse energy will probe the $Z'$ coupling to the lepton doublet...
Thrombectomy, Lysis, or Heparin Treatment: Concurrent Therapies of Deep Vein Thrombosis (1989)
Stiegler, H., Arbogast, Helmut, Nees, S., Halder, A., Grau, A., Riess, H.
NAYLER, W. G., GRAU, A., YEPEZ, C.
The ability of several β-adrenoceptor antagonists with partial agonist activity (dl-oxprenolol, dl-acebutolol and (dl-practolol) to attenuate the release of CPK that occurs during hypoxia (pO280 kPa...