By Hans Volker Klapdor-Kleingrothaus
Nuclear double beta decay is among the such a lot promising instruments for probing beyond-the-standard-model physics on beyond-accelerator power scales. it truly is already now probing the TeV scale, on which new physics may still present itself in line with theoretical expectancies. in basic terms within the early Nineteen Eighties used to be it recognized that double beta decay yields details at the Majorana mass of the exchanged neutrino. at the present, the sharpest certain for the electron neutrino mass arises from this approach. it's only within the final 10 years that the even more far-reaching power of double beta decay has been came across. this day, the possibility of double beta decay incorporates a huge diversity of themes which are both suitable to particle physics and astrophysics, akin to plenty of heavy neutrinos, of sneutrinos, as SUSY types, compositeness, leptoquarks, left-right symmetric types, and exams of Lorentz symmetry and equivalence precept within the neutrino zone. Double beta decay has develop into crucial these days for fixing the matter of the neutrino mass spectrum and the constitution of the neutrino mass matrix - including current and destiny sunlight and atmospheric neutrino oscillation experiments. a few destiny double beta experiments (like Genius) may be able to be at the same time neutrino observatories for double beta decay and low-energy sun neutrinos, and observatories for chilly darkish subject of final sensitivity. This worthy ebook outlines the improvement of double beta study from its beginnings till its latest achievements, and likewise offers the outlook for its hugely fascinating destiny.
Read Online or Download 60 Years of Double Beta Decay PDF
Best particle physics books
Derived from a direction given on the collage of Maryland for complicated graduate scholars, this ebook offers with a few of the newest advancements in our makes an attempt to build a unified conception of the basic interactions of nature. one of the issues coated are spontaneous symmetry breaking, grand unified theories, supersymmetry, and supergravity.
This is often the 1st systematic advent to electromagnetic duality and its generalizations. The authors, prime figures during this intriguing new region of mathematical physics, describe the basic principles, most up-to-date advancements, and a few previous paintings whose importance has just recently turn into obvious.
A distinct and finished presentation on smooth particle physics which shops the history wisdom at the large open questions past the normal version, because the lifestyles of the Higgs-boson, or the character of darkish topic and darkish strength.
"An advent to Beam Physics covers the rules and purposes of differential algebra, a robust new mathematical software. The authors speak about the makes use of for the computation of move maps for every kind of particle accelerators or any weakly nonlinear dynamical method, reminiscent of planetary orbits.
Extra info for 60 Years of Double Beta Decay
We first outline the theoretical development and then look, in the next section, into the various lines of experimental development with some emphasis on the last 10-15 years, to understand the essential points which made the progress possible, and with the aim to understand the most promising lines to be followed for the future. It was recognized already in the early 80 's, that gauge theories can yield diagrams contributing to neutrinoless double beta decay, but not containing any neutrino [Sch82a*-I].
36 John Vergados, Rabindra Mohapatra and the author, at the DARK96 Conference in Heidelberg, Germany, 1996, (foto author). N. Mohapatra and J. Vergados [Moh81*-IV] (Fig. 36), that in a general class of gauge models the decay of doubly charged Higgs particles may induce double beta decay. This process does not involve a Majorana neutrino, but proceeds by decay of a doubly charged Higgs boson to electrons.
Cal93*-III], [Pet94], [Lee94], [Ioa94], [Smi96a**-III], [Kla98a**-A], [Kla99e**-III], [HM99*-III], [HM2000**-III], [Adh98*-III], [Min97], [Min97a**-III], [Min2000**-III], [Giu99*-III], [E1199a], [Giu99b], [Bil99], [Bar99a], [Ma99*-III], [Vis99*-III], [Kla99*-VI], [Kla99a**-B], [Smi99], [Geo2000*-III], [Kla2000*-III]). g. [Cal94**III]). We give a few examples describing the present situation. The first sub-eV values for the neutrino mass limit as given at present by the Heidelberg-Moscow experiment (Fig.
60 Years of Double Beta Decay by Hans Volker Klapdor-Kleingrothaus