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KIRCA, ZERRİN

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KIRCA

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ZERRİN

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    Publication
    Associated production of charged higgs boson and heavy top quark in the left-right twin higgs model at high energye-e+ collider
    (Amer Inst Physics, 2019-01-01) Mishonov, TM; Varonov, AM; Kırca, Zerrin; KIRCA, ZERRİN; Altın, Zafer; Ün, Cem Salih; ÜN, CEM SALİH; Fen Edebiyat Fakültesi; Fizik Bölümü; Mishonov, TM; Varonov, AM; 0000-0002-0595-8803; N-3421-2014; AAH-8661-2021
    The left-right twin Higgs (LRTH) model is a concrete realization of the twin Higgs mechanism, which predicts the existence of a new heavy top quark (T) and charged Higgs boson (phi(+/-)). Detecting of these new particles in the LRTH model depends on free parameters (f, (f) over cap, M) which are constrained by the electroweak precision measurments. We study the associated production of a charged Higgs boson (phi(+)) and a heavy top quark (T) via e(-)e(+) -> phi(+)(T) over barb in the framework the LRTH model at root s=3000 GeV and yearly integrated luminosity of L=500 fb(-1). We find that the production cross section of the process e(-)e(+)-> phi(+)(T) over barb can reach to the level of several tens fb and a statical significance of 5 sigma can be achieved in the suitable parameter space of the LRTH model at root s=3000 GeV.
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    The impact of crystal length on calorimeter energy resolution
    (Amer Inst Physics, 2019-01-01) Saad, Ali; Koçak, Fatma; Kırca, Zerrin; Akkuş, B; Mutlu, R. B. C.; Güdekli, E; Kinaci, B; Güzelçimen, F; Doğan, G. S.; Öztürk, FC; Ertoprak, A; ABDILLAHI, SAAD ALI; KOÇAK, FATMA; KIRCA, ZERRİN; Fen Edebiyat Fakültesi; Fizik Bölümü; Akkus, B; Mutlu, RBC; Gudekli, E; Kinaci, B; Guzelcimen, F; Dogan, GS; Ozturk, FC; Ertoprak, A; 0000-0002-4756-9988; 0000-0002-4756-9988; JZE-5260-2024; AAE-3350-2022; JZE-5260-2024; AAE-3350-2022; HRR-9067-2023
    Lutetium-yttrium oxyorthosilicate (LYSO) crystal scintillators were originally developed for medical applications. Owing to their high density, small Moliere radius, fast response, and high radiation hardness, LYSO crystals have also suitable for future homogeneous electromagnetic calorimeters. Due to these features, LYSO is considered to be used for the electromagnetic calorimeter part of the Turkish Accelerator Center Particle Factory (TAC-PF) detector. In this research, by employing the GEANT4 toolkit program, we simulated a set of crystal, and their energy resolutions were obtained for different lengths at the energy range of 50 MeV - 2 GeV. Depending on the crystal length, contributions to the constant term of the energy resolution were investigated.