Published August 27, 2021 | Version v1
Publication Open

Unitarity constraints on ALP interactions

Creators

  • 1. Heidelberg University
  • 2. Universidade de São Paulo
  • 3. Universitat de Barcelona
  • 4. Institució Catalana de Recerca i Estudis Avançats
  • 5. Instituto de Física Teórica

Description

We derive partial-wave unitarity constraints on gauge-invariant interactions of an axionlike particle up to dimension-6 from all allowed $2\ensuremath{\rightarrow}2$ scattering processes in the limit of large center-of-mass energy. We find that the strongest bounds stem from scattering amplitudes with one external axionlike particle and only apply to the coupling to a pair of $SU(2{)}_{L}$ gauge bosons. Couplings to $U(1{)}_{Y}$ and $SU(3{)}_{C}$ gauge bosons and to fermions are more loosely constrained.

⚠️ This is an automatic machine translation with an accuracy of 90-95%

Translated Description (Arabic)

نحن نستمد قيود وحدة الموجة الجزئية على التفاعلات غير المتغيرة للمقياس لجسيم شبيه بالمحاور حتى البعد 6 من جميع عمليات التشتيت المسموح بها البالغة 2 $\ ensuremath {\ rightarrow}2 $ في حدود طاقة مركز الكتلة الكبيرة. نجد أن أقوى الحدود تنبع من تبعثر السعات مع جسيم خارجي واحد يشبه المحور وتنطبق فقط على الاقتران على زوج من بوزونات قياس $SU(2{)}_{ L }$. الاقتران بـ $U(1{}}_{ Y }$ و $SU(3{)}_{ C }$ بوزونات المقياس والفيرميونات مقيدة بشكل أكثر مرونة.

Translated Description (French)

Nous dérivons les contraintes d'unité d'onde partielle sur les interactions invariantes de jauge d'une particule de type axionique jusqu'à la dimension 6 de tous les processus de diffusion $ 2\ensuremath {\rightarrow}2 $ autorisés dans la limite d'une grande énergie de centre de masse. Nous constatons que les bornes les plus fortes proviennent des amplitudes de diffusion avec une particule externe de type axion et ne s'appliquent qu'au couplage à une paire de bosons de jauge $SU(2{)}_{L}$ . Les couplages aux bosons de jauge $U(1{)}_{Y}$ et $SU(3{)}_{C}$ et aux fermions sont plus lâchement contraints.

Translated Description (Spanish)

Derivamos restricciones de unitariedad de onda parcial en las interacciones de calibre-invariante de una partícula similar a un axión hasta la dimensión 6 de todos los procesos de dispersión permitidos de $ 2\ensuremath {\rightarrow}2 $ en el límite de la energía del centro de masa grande. Encontramos que los límites más fuertes provienen de amplitudes de dispersión con una partícula externa similar a un axión y solo se aplican al acoplamiento a un par de bosones de calibre $SU(2{)}_{L}$. Los acoplamientos a los bosones de calibre $U(1{)}_{Y}$ y $SU(3{)}_{C}$ y a los fermiones están más restringidos.

Files

PhysRevD.104.035027.pdf

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Additional details

Additional titles

Translated title (Arabic)
قيود الوحدة على تفاعلات ALP
Translated title (French)
Contraintes d'unitarité sur les interactions ALP
Translated title (Spanish)
Restricciones de unidad en las interacciones ALP

Identifiers

Other
https://openalex.org/W3171375272
DOI
10.1103/physrevd.104.035027

Is supplement to
https://openalex.org/W4298308748 (Other)
https://openalex.org/W2981164779 (Other)
https://openalex.org/W2963738464 (Other)
https://openalex.org/W2210161263 (Other)
https://openalex.org/W2123962311 (Other)
https://openalex.org/W2089507606 (Other)
https://openalex.org/W2074958934 (Other)
https://openalex.org/W2024067134 (Other)
https://openalex.org/W1976610831 (Other)
https://openalex.org/W1971027414 (Other)

GreSIS Basics Section

Is Global South Knowledge
Yes
Country
Brazil

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