Experimental High Energy Physics Summer School For High Schools

Experimental High Energy Physics Summer School for High Schools, (Liseler \.{I}\c{c}in Deneysel Y\"{u}ksek Enerji Fizi\u{g}i Yaz Okulu - lidyef2018) was held between 9-16 September 2018 at Bo\u{g}azi\c{c}i University, Turkey, with financial support from T\"{U}B\.{I}TAK under the 4004 grant 118B491. Out of nearly 700 (11th and 12th grade) applicants, 30 had been selected from all around Turkey. Students were introduced to the fundamentals of high energy physics and performed experiments that demonstrated the techniques of this field, such as a salad-bowl electrostatic accelerator, and a cloud chamber. Here we report on the planning, implementation and the outcomes of the school that can serve as a template for similar activities in the future.Comment: 9 pages, 10 figures, TFD 34 conference proceedin

Search for New Resonances

Many theories beyond the Standard Model (BSM) predict new phenomena at the highest energies acces-sible by the LHC. Several searches for new resonances have been performed by the ATLAS and CMSexperiments. This paper presents results using 13 TeVppdata collected during Run 2 by the ATLAS andCMS experiments

Vs=7 TeV'deki proton-proton çarpışmalarında WZ'e bozunan W' ayar bozonunun aranması.

TEZ10088Tez (Doktora) -- Çukurova Üniversitesi, Adana, 2014.Kaynakça (s. 161-167) var.xix, 200 s. : res. (bzs. rnk.), tablo ; 29 cm.Bu tezde 2011’de BHÇ’de CMS tarafından toplanan 7 TeV’lik 4.8 fb-1 toplam ışıklılık verisi kullanılarak WZ değişmez kütle spektrum ölçümü ve elektron ve muonlu WZ son durumlarına bozunan yeni egzotik parçacıkları arama sonuçları sunulmuştur. Standart Model proseslerinden beklenen fonlarla karşılaştırıldığında WZ adaylarının kütle dağılımında anlamlı bir fazlalık gözlenmemiştir. WZ resonanslarının varlığına dair anlamlı bir kanıt olmadığı için, Sequential Standart Model de WZ son durumuna bozunan kuramsal parçacıkların kütlesinde %95’lik güvenilirlik seviyesinde daha düşük sınırlar hesaplanmştır. Sequential Standart Model göz önüne alındığında %95’lik güvenilirlik seviyesinde 800 GeV’nin aşağısındaki W??bozonu kütleleri dışarlanmıştır.This thesis presents a measurement of the WZ invariant mass spectrum and search for new exotic particles decaying to the WZ final state with electrons and muons using an integrated luminosity of 4.8 fb-1 of 7 TeV data collected by the CMS experiment at the LHC in 2011. No significant excess is observed in the mass distribution of the WZ candidates compared to the background expectation from Standard Model processes. Since there is no evidence for WZ resonances, lower bounds at %95 Confidence Level (C.L.) are set on the mass of hypothetical particles decaying to the WZ final state in Sequential Standard Model (SSM). Assuming the SSM, W??bosons with masses below 800 GeV have been excluded at %95 C.L.Bu çalışma Ç.Ü. Bilimsel Araştırma Projeleri Birimi tarafından desteklenmiştir. Proje No: FEF2011D5

CMS deneyindeki süpersimetri araştırmaları

TEZ6387Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 2007.Kaynakça (s.86-88) var.xi, 89 s. : rnk. res. ; 29 cm.The Standart Model (SM) is the theory commonly accepted to describe the elementary particles and their interections. Although SM predictions are well with the experimental results there are some remaining questions which are not explained in SM. Supersymmetric (SUSY) scenarios are most promising extension for the SM solving these questions. The discovery of the SUSY is one the main goal of the LHC built at CERN. If SUSY exists in nature, it will be discovered very shortly. In this thesis, a brief overview is given on the SUSY model. Then SUSY searches which have been made in CMS experiment and SUSY discovery potential of CMS are summarised.Standart Model (SM), temel parçacıkları ve aralarındaki etkileşmeleri tanımlayan bir modeldir. SM'in öngörüleri deneysel sonuçlarla oldukça uyumlu olmasına rağmen yanıtlayamadığı bir takım sorular vardır. SM'in yanıtlayamadığı bu sorulara yanıt verecek en ümit verici modellerden biri Süpersimetri (SÜSİ)'dir. CERN'de inşa edilen Büyük Hadron Çarpıştırıcısının (BHÇ) temel amaçlarından biri SÜSİ'yi keşfetmektir. Eğer SÜSİ doğada gerçekten var ise kısa zamanda keşfedilmesi beklenmektedir. Bu çalışmada, SÜSİ modelinin kısa bir derlemesi yapılmış ve daha sonra BHÇ'deki CMS deneyinde yapılan SÜSİ araştırmaları ve CMS'in SÜSİ keşif potansiyeli özetlenmiştir.Bu çalışma Ç.Ü. Bilimsel Araştırma Projeleri Birimi Tarafından Desteklenmiştir. Proje No:FEF2006YL

Proton Test Beam At KAHVE Laboratory and its Microwave Discharge Ion Source

KAHVE Laboratory is currently working on the design of an RFQ operating at 800 MHz which would accelerate 1 uA, 20 keV energy proton beam to 2 MeV. Microwave Discharge Ion Source is the first component that produces the hydrogen ions. As the first task towards this linac, the extraction energy of the existing ion source at KAHVELab has been increased from 8 keV to 20 keV. For this purpose, new electrode systems were designed, simulated, produced and tested in the lab. As the next step, to transmit ions to the RFQ cavity, a Low Energy Beam Transport (LEBT) line was designed using simulations. Its beam pipe and two solenoid magnets were designed, produced. The ion source and LEBT line are currently being commisioned. The designed accelerator cavity will have a total length of 98 cm, making it the world’s smallest RFQ. This presentation consists of two parts: first, the overview of the Microwave Discharge Ion Source and the proton beamline will bediscussed, then the RFQ design will be shown by comparing it to other high frequency RFQs, together with its RF power needs, and its beam dynamics simulation results. The first part of the study is supported by Istanbul University Scientific Research Commission Project ID 33250 and second part is supported by TUBITAK project ID 118E83

Beam Diagnostics for Low Energy Proton Beam

An 800 MHz Radio Frequency Quadrupole (RFQ) is being designed for obtaining 2MeV protons at KAHVELab. The beam originating from the ion source has to match the RFQ via an optimised Low Energy Beam Transport (LEBT) line. LEBT line consists of two solenoids, a beam diagnostic box in between, and two steerers. The solenoids will be utilised to focus the divergent beam coming from the microwave discharge ion source to the RFQ.The steerers will be deployed to direct the beam into the RFQ. The diagnostics are aimed to measure the proton beam’s current, profile as well as the beam emittance upstream of the RFQ. The measurement box is designed and ready for production. The prototype for the Faraday cup is produced, for the scintillator screen will be home-built, and for the pepper pot plate is being manufactured. In this talk, the magnetic field measurements of the steerers, the electromagnetic simulation and the assembly of the FC and design code of the emittance measurement will be presented.This study is supported by TUBITAK Project no: 119M77