Search Results - "Helenius, Ilkka"

Revisiting the D-meson hadroproduction in general-mass variable flavour number scheme by Helenius, Ilkka, Paukkunen, Hannu

“…A bstract We introduce a novel realization of the open heavy-flavour hadroproduction in general-mass variable flavour number scheme at next-to-leading order in…”
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A QCD analysis of LHCb D-meson data in p+Pb collisions by Eskola, Kari J., Helenius, Ilkka, Paakkinen, Petja, Paukkunen, Hannu

“…A bstract We scrutinize the recent LHCb data for D 0 -meson production in p+Pb collisions within a next-to-leading order QCD framework. Our calculations are…”
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B-meson hadroproduction in the SACOT-m T scheme by Ilkka Helenius, Hannu Paukkunen

“…Abstract We apply the SACOT-m T general-mass variable flavour number scheme (GM-VFNS) to the inclusive B-meson production in hadronic collisions at…”
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Double D-meson production in proton-proton and proton-lead collisions at the LHC by Helenius, Ilkka, Paukkunen, Hannu

“…We consider the simultaneous production of two heavy-flavoured hadrons – particularly D mesons – at the LHC. We base our calculations on collinearly factorized…”
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Photoproduction of diffractive dijets in Pythia 8 by Helenius, Ilkka

“…The new framework for the simulations of hard diffractive events in photoproduction within Pythia 8 is presented. The model, originally introduced for…”
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Tumors and infections of the growing spine by Jasiewicz, Barbara, Helenius, Ilkka

“…The growing spine differs from the adult spine in several ways. Although tumors and infections cause only a small percentage of pediatric back pain incidences,…”
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Dimuons from neutrino-nucleus collisions in the semi-inclusive DIS approach by Helenius, Ilkka, Paukkunen, Hannu, Yrjänheikki, Sami

“…A bstract We present a next-to-leading order perturbative QCD calculation of dimuon production in neutrino-nucleus collisions. This process is typically…”
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Standard and magnetically controlled growing rods for the treatment of early onset scoliosis by Helenius, Ilkka J

“…Distraction based spinal instrumentation represents the most common and standard surgical technique to correct early onset scoliosis (EOS), i.e., scoliosis…”
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Clinical and Radiological Outcomes of Less Invasive Temporary Internal Distraction Followed by Staged Pedicle Screw Instrumentation in Adolescents with Severe Idiopathic Scoliosis at 2-Year Minimum Follow-Up by Grabala, Pawel, Helenius, Ilkka J.

“…Temporary placement of an internal distraction rod is one of the surgical options in the treatment of severe scoliosis to avoid preoperative halo traction or…”
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Impact-parameter dependent nuclear parton distribution functions: EPS09s and EKS98s and their applications in nuclear hard processes by Helenius, Ilkka, Eskola, Kari J., Honkanen, Heli, Salgado, Carlos A.

“…A bstract We determine the spatial (impact parameter) dependence of nuclear parton distribution functions (nPDFs) using the A -dependence of the spatially…”
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Hard diffraction in photoproduction with Pythia 8 by Helenius, Ilkka, Rasmussen, Christine O.

“…We present a new framework for modeling hard diffractive events in photoproduction, implemented in the general purpose event generator Pythia  8. The model is…”
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Response to the Letter to the Editor Concerning “Shilla Growth Guidance Compared With Magnetically Controlled Growing Rods in the Treatment of Neuromuscular and Syndromic Early onset Scoliosis.” by Haapala H et al. (Spine. 2020 Dec 1;45(23): E1604–14) by Saarinen, Antti J., Helenius, Ilkka J.

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Activity-restriction only as treatment yields positive outcomes in pediatric spinal compression fractures: a prospective study of 47 patients at medium-term follow-up by Belov, Sofia, Grahn, Petra, Kivisaari, Reetta, Helenius, Ilkka, Ahonen, Matti

“…We aimed to evaluate the clinical outcomes, radiographic results, and health-related quality of life in pediatric AO type A1 spinal compression fractures…”
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Treatment strategies for early-onset scoliosis by Helenius, Ilkka J

“…Early-onset scoliosis (EOS) is defined as a spinal deformity occurring before the age of ten years.Untreated EOS or early spinal fusion resulting in a short…”
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Bado type III Monteggia fractures have a high injury- and treatment-related complication rate: a single center study of 73 fractures by Zilliacus, Kaj, Nietosvaara, Yrjänä, Helenius, Ilkka, Kämppä, Niko, Vuorimies, Ilkka, Grahn, Petra

“… Monteggia fractures can be problematic injuries. The aim of this population-based study is to evaluate the risk of complications according to the Bado types,…”
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Shadowing in Inelastic Nucleon-Nucleon Cross Section? by Eskola, Kari J., Helenius, Ilkka, Kuha, Mikko, Paukkunen, Hannu

“…Experimental results of inclusive hard-process cross sections in heavy-ion collisions conventionally lean on a normalization computed from Glauber models where…”
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Impact of dijet and D-meson data from 5.02 TeV p+Pb collisions on nuclear PDFs by Eskola, Kari J., Helenius, Ilkka, Paakkinen, Petja, Paukkunen, Hannu

“…We discuss the new constraints on gluon parton distribution function (PDF) in lead nucleus, derivable with the Hessian PDF reweighting method from the 5.02 TeV…”
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Cerebral palsy with dislocated hip and scoliosis: What to deal with first? by Helenius, Ilkka J., Viehweger, Elke, Castelein, Rene M.

“…Abstract Purpose Hip dislocation and scoliosis are common in children with cerebral palsy (CP). Hip dislocation develops in 15% and 20% of children with CP,…”
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Back Pain and Quality of Life After Surgical Treatment for Adolescent Idiopathic Scoliosis at 5-Year Follow-up by Helenius, L, Diarbakerli, E, Grauers, A, Lastikka, M, Oksanen, H, Pajulo, O, Loyttyniemi, E, Manner, T, Gerdhem, P, Helenius, I

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Health-related quality of life after segmental pedicle screw instrumentation: a matched comparison of patients with neuromuscular and adolescent idiopathic scoliosis by Soini, Venla, Syvänen, Johanna, Helenius, Linda, Raitio, Arimatias, Helenius, Ilkka

“…Progressive neuromuscular scoliosis (NMS) often requires a long instrumented spinal fusion to improve health-related quality of life (HRQoL) and sitting…”
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