نتایج جستجو برای: hadron therapy

تعداد نتایج: 671059  

Journal: :Physical review 2022

In this work the $k_{\perp}$-factorization formalism is applied to compute exclusive $Z^0$ boson photoproduction in $ep$ and $eA$ collisions. The study also extended $pp$ $AA$ processes. nuclear effects are investigated considering heavy light ions. Analytical models for unintegrated gluon distribution taken into account corresponding theoretical uncertainty quantified. analysis done electron-i...

1998
R. Burkhalter

We present an overview of recent results from the CP-PACS computer on the quenched light hadron spectrum and an ongoing two-flavour full QCD study. We find that our quenched hadron mass results are compatible with the mass formulae predicted by quenched chiral perturbation theory, which we adopt in our final analysis. Quenched hadron masses in the continuum limit show unambiguous and systematic...

Journal: :Physical review letters 2011
Daniël Boer Stanley J Brodsky Piet J Mulders Cristian Pisano

We show that linearly polarized gluons inside unpolarized hadrons can be directly probed in jet or heavy quark pair production in electron-hadron collisions. We discuss the simplest cos2ϕ asymmetries and estimate their maximal value, concluding that measurements of the unknown linearly polarized gluon distribution in the proton should be feasible in future Electron-Ion Collider or Large Hadron ...

Journal: :iranian journal of radiation research 0
s.p. shirmardi nuclear science and technology research institute (nstri), tehran, iran e. saniei faculty of energy engineering and physics, amir kabir university of technology, tehran, iran m. erfani nuclear science and technology research institute (nstri), tehran, iran m. shafiei nuclear science and technology research institute (nstri), tehran, iran b. sepehri faculty of physics, islamic azad university, central tehran branch, tehran, iran

background: hadron therapy for malignant tumor is becoming increasingly popular. there are many factors which effect on implementation of a proper treatment planning. the purpose of this work is to investigate the inhomogeneity effects as affecting factor on proton range, full width at half maximum (fwhm) and 20% position of penumbra (p20) by mcnpx code. materials and methods: an inhomogeneous ...

Journal: :IEEE Transactions on Nuclear Science 2023

Hadron fluence monitors based on static random access memories (SRAMs) are being used at CERN and have been proposed for proton therapy facilities. Some of the limitations state art related to usage separate components sensing upsets reading them out, as these increase power consumption, board complexity its size. Moreover, in some cases, due radiation-tolerance requirements, readout logic is f...

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