Search Results - "Marc Chamberland"

egs_brachy: a versatile and fast Monte Carlo code for brachytherapy by Chamberland, Marc J P, Taylor, Randle E P, Rogers, D W O, Thomson, Rowan M

“…egs_brachy is a versatile and fast Monte Carlo (MC) code for brachytherapy applications. It is based on the EGSnrc code system, enabling simulation of photons…”
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Motion tracking of low‐activity fiducial markers using adaptive region of interest with list‐mode positron emission tomography by Chamberland, Marc J. P., deKemp, Robert A., Xu, Tong

“…Purpose Motion compensated positron emission tomography (PET) imaging requires detecting and monitoring of patient body motion. We developed a semiautomatic…”
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Update of the CLRP Monte Carlo TG‐43 parameter database for high‐energy brachytherapy sources by Safigholi, Habib, Chamberland, Marc J. P., Taylor, Randle E. P., Martinov, Martin P., Rogers, D. W. O., Thomson, Rowan M.

“…Purpose To update and extend version 2 of the Carleton Laboratory for Radiotherapy Physics (CLRP) TG‐43 dosimetry database (CLRP_TG43v2) for high‐energy (HE,…”
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Update of the CLRP TG‐43 parameter database for low‐energy brachytherapy sources by Safigholi, Habib, Chamberland, Marc J. P., Taylor, Randle E. P., Allen, Christian H., Martinov, Martin P., Rogers, D. W. O., Thomson, Rowan M.

“…Purpose To update the Carleton Laboratory for Radiotherapy Physics (CLRP) TG‐43 dosimetry database for low‐energy (≤50 keV) photon‐emitting low‐dose rate (LDR)…”
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Monte Carlo investigation of dose distribution of uniformly and non‐uniformly loaded standard and notched eye plaques by Semeniuk, Oleksii, Malkov, Victor, Chamberland, Marc J. P., Weersink, Robert A.

“…To investigate the effect of using non‐uniform loading and notched plaques on dose distribution for eye plaques. Using EGSnrc Monte Carlo (MC) simulations, we…”
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Reply to Comment on 'egs_brachy: a versatile and fast Monte Carlo code for brachytherapy' by Thomson, Rowan M, Taylor, Randle E P, Chamberland, Marc J P, Rogers, D W O

“…We respond to the comments by Dr Yegin by identifying the source of an error in a fit in our original paper but arguing that the lack of a fit does not affect…”
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Measurements and Monte Carlo calculation of radial dose and anisotropy functions of BEBIG 60Co high-dose-rate brachytherapy source in a bounded water phantom by Reddy, Buchapudi, Chamberland, Marc, Ravikumar, Manickam, Varatharaj, Chandraraj

“…Purpose The study compared the experimentally measured radial dose function, g(r), and anisotropy function, F(r,θ), of a BEBIG 60Co (Co0.A86) high-dose-rate…”
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Proof Without Words: The Area of an Inner Square by Chamberland, Marc

“…What is the area of the (inner) square obtained by slicing the corners off a larger square? This visual proof avoids algebra by considering the area of a…”
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A Short Proof of McDougall’s Circle Theorem by Chamberland, Marc, Zeilberger, Doron

“…This note offers a short, elementary proof of a result similar to Ptolemy’s theorem. Specifically, letdi ,jdenote the distance betweenPi andPj . Letnbe a…”
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A generic TG-186 shielded applicator for commissioning model-based dose calculation algorithms for high-dose-rate 192 Ir brachytherapy by Ma, Yunzhi, Vijande, Javier, Ballester, Facundo, Tedgren, Åsa Carlsson, Granero, Domingo, Haworth, Annette, Mourtada, Firas, Fonseca, Gabriel Paiva, Zourari, Kyveli, Papagiannis, Panagiotis, Rivard, Mark J, Siebert, Frank André, Sloboda, Ron S, Smith, Ryan, Chamberland, Marc J P, Thomson, Rowan M, Verhaegen, Frank, Beaulieu, Luc

“…A joint working group was created by the American Association of Physicists in Medicine (AAPM), the European Society for Radiotherapy and Oncology (ESTRO), and…”
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Generalizing Gauss’s Gem by Ezra Brown, Marc Chamberland

“…Gauss’s Cyclotomic Formula is extended to a formula withpvariables, wherepis an odd prime. This new formula involves the determinant of a circulant matrix. An…”
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When Are All the Zeros of a Polynomial Real and Distinct? by Chamberland, Marc

“…This note gives necessary and sufficient conditions for all the zeros of a single-variable polynomial with real coefficients to be real and distinct…”
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AFTERMATH: The Gods Have Descended by Chamberland, Marc

“…Mathematicians should share the mathematics they find beautiful…”
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183 Monte Carlo Investigation of Dose Distribution of Uniformly and Non-Uniformly Loaded Standard and Notched Eye Plaques by Weersink, Robert, Semeniuk, Oleksii, Malkov, Victor, Chamberland, Marc

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Averaging structure in the 3x+1 problem by Chamberland, Marc

“…The 3x+1 problem has resisted analysis from multiple perspectives for many decades. This paper studies the more general qx+r problem, where q and r are odd,…”
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On gamma quotients and infinite products by Chamberland, Marc, Straub, Armin

“…Convergent infinite products, indexed by all natural numbers, in which each factor is a rational function of the index, can always be evaluated in terms of…”
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Update of the CLRP Monte Carlo TG-43 parameter database for high-energy brachytherapy sources by Safigholi, Habib, Chamberland, Marc J. P, Taylor, Randle E. P, Martinov, Martin P, Rogers, D. W. O, Thomson, Rowan M

“…PURPOSE: To update and extend version 2 of the Carleton Laboratory for Radiotherapy Physics (CLRP) TG-43 dosimetry database (CLRP_TG43v2) for 33 high-energy…”
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Averaging structure in the 3 x + 1 problem by Chamberland, Marc

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Factored matrices can generate combinatorial identities by Chamberland, Marc

“…By identifying the terms in the LU decomposition of various matrices, one produces combinatorial identities. Examples are given with formulas involving…”
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Integer Powers of Arcsin by Borwein, Jonathan M., Chamberland, Marc

“…New simple nested-sum representations for powers of the arcsin function are given. This generalization of Ramanujan's work makes connections to finite binomial…”
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