Double Higgs boson production at e+e? colliders in the two-Higgs-doublet model

Tadashi Kon; Takuto Nagura; Takahiro Ueda; Kei Yagyu

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Double Higgs boson production at e+e? colliders in the two-Higgs-doublet model

机译：希格斯玻色子产量要达到e + e的两倍？两希格斯双峰模型中的对撞机

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We study the double Higgs boson production processes e + e ? → h h f f ˉ ( f ≠ t ), with h being the 125?GeV Higgs boson in the two-Higgs-doublet model with a softly broken Z 2 symmetry. The cross section can be significantly enhanced, typically a few hundred percent, as compared to the standard model prediction due to resonant effects of heavy neutral Higgs bosons, which becomes important in the case without the alignment limit. We find a strong correlation between the enhancement factor of the cross section and the scaling factor of the h f f ˉ couplings under constraints from perturbative unitarity, vacuum stability, and current experimental data at the LHC as well as the electroweak precision data.

机译：我们研究了希格斯玻色子的双重生成过程e + e？ →h h f fˉ（f≠t），其中h是在具有两个弱打破的Z 2对称性的两希格斯二重态模型中的125？GeV希格斯玻色子。由于重的中性希格斯玻色子的共振效应，与标准模型预测相比，横截面可以显着增强，通常提高数百％，这在没有对准限制的情况下变得非常重要。我们发现在横截面的增强因子与h f fˉ耦合的比例因子之间存在很强的相关性，这受到LHC的扰动统一性，真空稳定性和当前实验数据以及电弱精度数据的约束。

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《Physical review, D》 |2019年第9期|共12页
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Tadashi Kon; Takuto Nagura; Takahiro Ueda; Kei Yagyu;
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1. Double Higgs boson production at e~+e~- colliders in the two-Higgs-doublet model [J] . Tadashi Kon, Takuto Nagura, Takahiro Ueda, Physical review, D . 2019,第9aPta2期

机译：E〜+ E〜 - 两家Higgs-Doublet模型中的双重HIGGS玻色子生产
2. One-loop Higgs boson production at the Linear Collider within the general two-Higgs-doublet model: e~+ e~- versus γγ [J] . J. SOLA, D. LOPEZ-VAL Il Nuovo Cimento della Societa Italiana di Fisica, C. Geophysics and space physics . 2011,第5期

机译：在一般的两希格斯二重态模型中，线性对撞机产生一回路希格斯玻色子：e〜+ e〜-与γγ
3. Do precision electroweak constraints guarantee e(+)e(-) collider discovery of at least one Higgs boson of a two-Higgs-doublet model? [J] . Chankowski P., Grzadkowski B., Gunion JF., Physics Letters, B. Nuclear Physics and High Energy Physics . 2000,第3a4期

机译：精确的电弱约束是否可以保证至少两个希格斯-双重峰模型的希格斯玻色子的e（+）e（-）对撞机发现？
4. Associated Production of Charged Higgs Boson and Heavy Top Quark in the Left-Right Twin Higgs Model at High Energy e~-e~+ Collider [C] . Zerrin K?rca, Cem Salih ün, Zafer Alt?n Jubilee International Conference of the Balkan Physical Union . 2019

机译：在高能量E〜-e〜+撞机的左右双HIGGS模型中有关收费的HIGGS玻色子和重热顶夸克的生产
5. CP-violating form factors of the W boson in the two-Higgs-doublet and supersymmetric models. [D] . Lopez-Mobilia, Rafael Atilio. 1995

机译：在两个希格斯二重峰和超对称模型中，W玻色子的违反CP的形状因数。
6. Search for charged Higgs bosons in e+e− collisions at ... formula ... [O] . G. Abbiendi, C. Ainsley, P. F. Åkesson, -1

机译：在...公式...处搜索e + e−碰撞中的带电希格斯玻色子
7. Double Higgs boson production at e+e− colliders in the two-Higgs-doublet model [O] . Tadashi Kon, Takuto Nagura, Takahiro Ueda, 2019

机译：两家Higgs-Doublet模型中的E + E-煤机的双重HIGGS Boson生产

Double Higgs boson production at e+e? colliders in the two-Higgs-doublet model

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