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001311085 001__ 1311085
001311085 003__ SzGeCERN
001311085 005__ 20230126091441.0
001311085 0247_ $$2DOI$$a10.22323/1.131.0003
001311085 0248_ $$aoai:cds.cern.ch:1311085$$pcerncds:FULLTEXT$$pcerncds:CERN:FULLTEXT$$pcerncds:CERN
001311085 035__ $$9arXiv$$aoai:arXiv.org:1011.6632
001311085 035__ $$9Inspire$$a878508
001311085 037__ $$9arXiv$$aarXiv:1011.6632$$chep-ph
001311085 041__ $$aeng
001311085 100__ $$aReiter, Thomas$$uNIKHEF, Amsterdam
001311085 245__ $$aModern Feynman Diagrammatic One-Loop Calculations
001311085 246__ $$9arXiv$$aModern Feynman Diagrammatic One-Loop Calculations
001311085 260__ $$c2010
001311085 269__ $$c01 Dec 2010
001311085 300__ $$a11 p
001311085 500__ $$aComments: 10 pages, 2 figures; contribution to the proceedings of the CPP2010 Workshop, 23-25 Sep. 2010, KEK, Tsukuba, Japan
001311085 500__ $$9arXiv$$a10 pages, 2 figures; contribution to the proceedings of the CPP2010
 Workshop, 23-25 Sep. 2010, KEK, Tsukuba, Japan
001311085 520__ $$9arXiv$$aIn this talk we present techniques for calculating one-loop amplitudes for multi-leg processes using Feynman diagrammatic methods in a semi-algebraic context. Our approach combines the advantages of the different methods allowing for a fast evaluation of the amplitude while monitoring the numerical stability of the calculation. In phase space regions close to singular kinematics we use a method avoiding spurious Gram determinants in the calculation. As an application of our approach we report on the status of the calculation of the amplitude for the process $pp\to b\bar{b}b\bar{b}+X$.
001311085 540__ $$3preprint$$aarXiv nonexclusive-distrib 1.0$$uhttp://arxiv.org/licenses/nonexclusive-distrib/1.0/
001311085 595__ $$aLANL EDS
001311085 65017 $$2arXiv$$aParticle Physics - Phenomenology
001311085 695__ $$9LANL EDS$$ahep-ph
001311085 690C_ $$aARTICLE
001311085 690C_ $$aCERN
001311085 700__ $$aCullen, Gavin$$uEdinburgh U.
001311085 700__ $$aGreiner, Nicolas$$uIllinois U., Urbana
001311085 700__ $$aGuffanti, Alberto$$uFreiburg U.
001311085 700__ $$aGuillet, Jean-Philippe$$uAnnecy, LAPTH
001311085 700__ $$aHeinrich, Gudrun$$uDurham U., IPPP
001311085 700__ $$aKarg, Stefan$$uAachen, Tech. Hochsch.
001311085 700__ $$aKauer, Nikolas$$uRoyal Holloway, U. of London
001311085 700__ $$aKleinschmidt, Tobias$$uDurham U., IPPP
001311085 700__ $$aKoch-Janusz, Maciej$$uNIKHEF, Amsterdam
001311085 700__ $$aLuisoni, Gionata$$uDurham U., IPPP
001311085 700__ $$aMastrolia, Pierpaolo$$uEnrico Fermi Ctr., Rome$$uSalerno U.$$uCERN
001311085 700__ $$aOssola, Giovanni$$uNew York City Coll. Tech.
001311085 700__ $$aPilon, Eric$$uAnnecy, LAPTH
001311085 700__ $$aRodgers, Mark$$uDurham U., IPPP
001311085 700__ $$aTramontano, Francesco$$uCERN
001311085 700__ $$aWigmore, Ioan$$uEdinburgh U.
001311085 773__ $$c003$$pPoS$$vCPP2010$$y2010
001311085 773__ $$tContribution to the proceedings of$$wC10-09-23.1
001311085 8564_ $$uhttp://pos.sissa.it//archive/conferences/131/003/CPP2010_003.pdf$$yProceedings of Science Server
001311085 8564_ $$81340746$$s157371$$uhttp://cds.cern.ch/record/1311085/files/arXiv:1011.6632.pdf
001311085 8564_ $$81340747$$s8464$$uhttp://cds.cern.ch/record/1311085/files/flowchart.png$$y00000 Possible ways of using \textsc{Samurai} and Golem95 together with tensorial reconstruction. On the left branch \textsc{Samurai} is called with the numerator reconstructed according to Eq.~\eqref{eq:tensrec}, which can speed up the calculation. If the consistency check in \textsc{Samurai} fails Golem95 is called as a rescue system. On the right branch the call to \textsc{Samurai} is skipped and Golem95 is used as the sole tensor reduction method.
001311085 8564_ $$81340748$$s8843$$uhttp://cds.cern.ch/record/1311085/files/soper.png$$y00001 Born (dashed) matrix element squared and the interference term between Born and virtual corrections (straight line) of the $gg\rightarrow b\bar{b}b\bar{b}$ amplitude. The curves have been obtained by rotating the final state particles about the $z$-axis. The amplitude peaks around $\theta_0\approx 2{.}32$ and $\theta_1=\theta_0+\pi$ which are points close to double parton scattering kinematics.
001311085 8564_ $$81340749$$s193888$$uhttp://cds.cern.ch/record/1311085/files/CPP2010_003.pdf$$yFulltext
001311085 8564_ $$82421892$$s162510$$uhttp://cds.cern.ch/record/1311085/files/1011.6632.pdf$$yFulltext
001311085 916__ $$sn$$w201048
001311085 961__ $$c20101202$$h0900$$lCER01$$x20101202
001311085 962__ $$bComments: 10 pages, 2 figures; contribution to the proceedings of the CPP2010 Workshop, 23-25 Sep. 2010, KEK, Tsukuba, Japan
001311085 963__ $$aPUBLIC
001311085 960__ $$a13
001311085 970__ $$a002933265CER
001311085 980__ $$aConferencePaper
001311085 980__ $$aARTICLE