The blue histogram represents measured signal the shaded areas depict the total uncertainty.
Data-to-simulation ratios are shown at the bottom of the plot. The signal and background yields are determined from the fit. The mirror image Figure 1: The weighted distribution of the azimuthal angle between two jets in the signal region used in the CP measurement. They’ve measured its mass to be around 125 GeV – that’s about 130 times the mass of the proton at rest – and found it has zero electric charge and spin. Since its discovery in 2012, researchers of the ATLAS and CMS experiments at CERN’s Large Hadron Collider (LHC) have tirelessly investigated the properties of the Higgs boson. While this mathematical formalism is relatively simple, its cornerstone – the Higgs boson – remained undetected for almost 50 years! Book & CD, Orange, Connecticut: Ellipsis Arts.To explain the masses of electroweak bosons – the W and Z bosons – theorists in the 1960s postulated a mechanism of spontaneous symmetry breaking. Musical Instrument Design, 1996, See Sharp Press.Experimental Musical Instruments, magazine, 70 issues appeared as a printed publication between 19, later on re-issued as well on CD-ROM.The book was simultaneously released with 60 sound samples on bandcamp and soundcloud. The book also features contributions by other builders such as Bradford Reed, Sam Dook (guitarist of The Go! Team), Fred Carlson, David Canwright, Dante Rosati and Neil Feather as well as info about John Schneiders microtonal guitars. In 2012, he published the book Nice Noise, about prepared guitar techniques written by Hopkin and experimental builder Yuri landman. Jason Lollar is a known builder of hand-wound electro-magnetic pickups.īesides writing, he has also built several experimental musical instruments such as wooden saxophones, the Bell Tree, harmonic zithers, the Savart Wheel, the Trillium Harp, the Trillium Cluster, and many other instruments that are difficult to categorize. Getting a Bigger Sound is a book Bart Hopkin wrote with Robert Cain and Jason Lollar about amplification of sound sources with several types of pickups ranging from piezo disc pickups to common pickups often used in electric guitars. For these publications, Hopkin regularly asks experts on the subject to co-write the books, such as Carl Dean for the book about how to build and tune marimbas.
Hopkin published the magazine Experimental Musical Instruments for 15 years and published several books and CDs specialized in a specialisation of certain types of instruments, such as wind chimes, plosive aerophones and marimbas. Hopkin runs the website, which provides resources regarding unusual instruments. Bart Hopkin is a builder of experimental musical instruments and a writer and publisher on the subject.
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