Download PDF by Dag Gillberg: Discovery of Single Top Quark Production (Springer Theses)

By Dag Gillberg

ISBN-10: 1441977988

ISBN-13: 9781441977984

ISBN-10: 1461427983

ISBN-13: 9781461427988

The most sensible quark is by way of a long way the heaviest recognized primary particle with a mass nearing that of a gold atom. due to this strikingly excessive mass, the head quark has numerous distinct homes and can play a big position in electroweak symmetry breaking—the mechanism that offers all straightforward debris mass. developing most sensible quarks calls for entry to very excessive strength collisions, and at the present merely the Tevatron collider at Fermilab is in a position to achieving those energies.

Until now, most sensible quarks have purely been saw produced in pairs through the powerful interplay. At hadron colliders, it may even be attainable to supply unmarried most sensible quarks through the electroweak interplay. stories of unmarried most sensible quark construction supply possibilities to degree the head quark spin, how most sensible quarks combine with different quarks, and to appear for brand spanking new physics past the normal version. due to those fascinating houses, scientists were searching for unmarried best quarks for greater than 15 years.

This thesis provides the 1st discovery of unmarried most sensible quark production.  It records one of many flagship measurements of the D0 test, a collaboration of greater than six hundred physicists from around the globe. It describes first remark of a actual strategy often called “single most sensible quark production”, which have been searched for greater than 10 years prior to its eventual discovery in 2009. extra, his thesis describes, intimately, the cutting edge method Dr. Gillberg took to this research. by utilizing Boosted selection bushes, a machine-learning process, he saw the tiny unmarried best sign inside an differently overwhelming historical past.

This Doctoral Thesis has been approved via Simon Fraser collage, Burnaby, BC, Canada.

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Discovery of Single Top Quark Production (Springer Theses) by Dag Gillberg


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